WO2012073904A1 - ポリエステル樹脂組成物及びその成形体 - Google Patents
ポリエステル樹脂組成物及びその成形体 Download PDFInfo
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- WO2012073904A1 WO2012073904A1 PCT/JP2011/077422 JP2011077422W WO2012073904A1 WO 2012073904 A1 WO2012073904 A1 WO 2012073904A1 JP 2011077422 W JP2011077422 W JP 2011077422W WO 2012073904 A1 WO2012073904 A1 WO 2012073904A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
- C08G63/685—Polyesters containing atoms other than carbon, hydrogen and oxygen containing nitrogen
- C08G63/6854—Polyesters containing atoms other than carbon, hydrogen and oxygen containing nitrogen derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/6856—Dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
- C08G63/688—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur
- C08G63/6884—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/6886—Dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/91—Polymers modified by chemical after-treatment
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/91—Polymers modified by chemical after-treatment
- C08G63/914—Polymers modified by chemical after-treatment derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/916—Dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
- C08L67/03—Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the carboxyl- and the hydroxy groups directly linked to aromatic rings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
Definitions
- the present invention relates to a polyester resin composition and a molded body thereof, and more particularly to a polyester resin composition and a molded body thereof whose physical properties have been improved by improving a crystal nucleating agent to be added.
- polyester resins obtained by polycondensation of polycarboxylic acid and polyalcohol include polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, and polybutylene terephthalate.
- polyethylene terephthalate is a resin excellent in transparency, heat resistance, chemical resistance, hygiene, dyeability and economy, and is used for beverage containers such as fibers, films, carbonated drinks, juices, mineral water, etc. Bottles), cosmetic / medical products containers, detergent / shampoo containers, electrophotographic toners, food packaging materials, pharmaceutical packaging materials, packaging materials such as wraps, and the like.
- a crystal nucleating agent As a method for improving the crystallization rate, it is known to add a crystal nucleating agent, and compounds such as silicon nitride, sodium benzoate, aromatic phosphate metal salt, dibenzylidene sorbitol are known. .
- Patent Document 1 discloses, as a crystallization accelerator, sodium montanate and stearic acid in a polyester molding material for tableware containing an inorganic filler with respect to two resins of polyethylene terephthalate and polybutylene terephthalate.
- Sodium, calcium montanate and calcium stearate have been proposed.
- Patent Documents 2 and 3 a metal salt of a sulfonamide compound is proposed as a crystal nucleating agent for polyester resin.
- thermoplastic polyester resins polybutylene terephthalate, in particular, has excellent heat resistance, chemical resistance, dimensional stability, and moldability, has properties such as ultraviolet blocking, and is easy to impart flame retardancy.
- polybutylene terephthalate As a general-purpose engineering plastic, it is widely used in electrical / electronic and automotive electrical parts.
- the crystal nucleating agent promotes the crystallization of the resin, so that a glossy molded product can be molded even when the mold temperature during molding is lowered, and the resin transparency, rigidity, molding cycle, etc.
- polybutylene terephthalate is a resin whose physical properties cannot be improved by adding a crystal nucleating agent, and the development of a new crystal nucleating agent has been desired.
- Patent Document 4 proposes alkali metal salts of aliphatic or aromatic monocarboxylic acids, ionomer resins, talc, sodium bicarbonate, and the like as crystal nucleating agents for polyalkylene terephthalates. Is disclosed.
- Patent Document 5 proposes talc, calcium phosphate, metal oxide, sodium stearate and the like as a nucleating agent for a flame retardant polybutylene terephthalate composition.
- Patent Document 6 proposes a molded product obtained by molding a polybutylene terephthalate resin composition comprising a polybutylene terephthalate resin, a polyethylene terephthalate resin, an inorganic filler, and a crystal nucleating agent.
- a polybutylene terephthalate resin composition comprising a polybutylene terephthalate resin, a polyethylene terephthalate resin, an inorganic filler, and a crystal nucleating agent. Examples include nitride, glass fiber, carbon fiber, glass bead, glass flake, talc, and mica.
- Patent Document 7 discloses that an inorganic crystal nucleating agent, a polyalkyl hydrogen siloxane, ⁇ and a polybutylene terephthalate resin having a melt index of 0.5 to 5 g / 10 min (250 ° C., 325 g load, orifice diameter 2 mm).
- a thermoplastic resin composition containing a graft polymer with olefin magnesium silicate has been proposed as an inorganic crystal nucleating agent.
- Patent Document 1 proposes sodium montanate or the like as a crystallization accelerator for two types of resins, polyethylene terephthalate and polybutylene terephthalate.
- an object of the present invention is to provide a polyester resin composition that has solved the above problems and improved physical properties, and a molded product thereof.
- the present inventors have used a terminal modified polyethylene terephthalate in which a group having a specific structure is introduced at the terminal of polyethylene terephthalate as a crystal nucleating agent, or a group having a specific structure.
- the present inventors have found that the above-mentioned problems can be solved by using terminal-modified polybutylene terephthalate in which is introduced at the terminal of polybutylene terephthalate as a crystal nucleating agent, and the present invention has been completed.
- the polyester resin composition of the present invention is a polyester resin composition containing (A) a polyester resin and (B1) terminal-modified polyethylene terephthalate, wherein (B1) terminal-modified polyethylene terephthalate has the following general formula:
- X represents a direct bond or an alkylene group having 1 to 12 carbon atoms.
- the sheet of the present invention is a sheet formed by molding the above-described polyester resin composition, and is not annealed.
- Another polyester resin composition of the present invention is a polyester resin composition containing (A) a polyester resin and (B2) terminal-modified polybutylene terephthalate, wherein the (B2) terminal-modified polybutylene terephthalate is A polyester resin composition characterized by being a group represented by the following general formula (1), or a polybutylene terephthalate having a terminal modified with a group represented by the following general formula (1) and a carboxylic acid metal salt It is a thing. (In the formula, X represents a direct bond or an alkylene group having 1 to 12 carbon atoms.)
- the general formula (1) With respect to a total of 100 parts by mass of the (A) polyester resin and the remainder of the (B2) terminal-modified polybutylene terephthalate excluding the group represented by the general formula (1), the general formula (1) The content of the group represented is preferably 0.001 to 5 parts by mass.
- the (A) polyester resin is one or more polyester resins selected from the group consisting of polyethylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate, polyethylene naphthalate, and polybutylene naphthalate. Preferably there is.
- the metal carboxylate is preferably a sodium carboxylate.
- the molded article of the present invention is obtained by molding the polyester resin composition of the present invention.
- a polyester resin composition having improved physical properties and a molded product thereof can be provided.
- PET polyethylene terephthalate
- 1 is an X-ray photoelectron spectroscopy spectrum of PET containing 1% of 1,2-benzisothiazol-3 (2H) -one 1,1-dioxide sodium salt.
- 2 is an X-ray photoelectron spectrum of PET containing 3% 1,2-benzisothiazol-3 (2H) -one 1,1-dioxide sodium salt.
- 1 is an X-ray photoelectron spectrum of PET containing 5% 1,2-benzisothiazol-3 (2H) -one 1,1-dioxide sodium salt.
- 2 is an X-ray photoelectron spectrum of 1,2-benzisothiazol-3 (2H) -one 1,1-dioxide sodium salt.
- 2 is an X-ray photoelectron spectrum of N-ethyl alcohol-1,2-benzisothiazol-3 (2H) -one 1,1-dioxide.
- the (A) polyester resin used in the present invention is a polymer linked by an ester bond and synthesized from a polyvalent carboxylic acid monomer and a polyhydric alcohol component.
- an aromatic dicarboxylic acid or an alkyl ester thereof is used as the main acid component
- (B1) ethylene glycol is used for the end-modified polyethylene terephthalate
- (B2) 1 is used for the end-modified polybutylene terephthalate.
- 4-butanediol the main glycol component.
- examples of the aromatic dicarboxylic acid or its alkyl ester include terephthalic acid, isophthalic acid, naphthalene dicarboxylic acid, diphenyldicarboxylic acid, and alkyl esters thereof. Moreover, you may contain another aromatic dicarboxylic acid group like those halogenated equivalents. Among them, terephthalic acid or dimethyl terephthalic acid is preferably used, and usually 75 mol% or more, preferably 80 mol% or more, and most preferably 90 mol% or more is used in the acid component. These acid components may be used alone or in combination of two or more.
- aliphatic dicarboxylic acids such as adipic acid, sebacic acid, succinic acid and oxalic acid or their alkyl esters can be used as the copolymerization component.
- a trifunctional or higher functional carboxylic acid such as trimellitic acid or an acid anhydride such as trimellitic anhydride can be used in a small amount.
- the alkyl esters of aromatic dicarboxylic acids include methyl esters as main utilization compounds, but ethyl esters, propyl esters, butyl esters and the like may be used alone or in combination of two or more. Well, it can be arbitrarily selected according to the purpose.
- glycol components other than ethylene glycol or 1,4-butanediol include propylene glycol, 1,6-hexanediol, neopentyl glycol, decamethylene glycol, cyclohexanedimethanol, poly (oxy) ethylene glycol, poly
- alkylene glycol such as tetramethylene glycol or polymethylene glycol may be used, or two or more kinds may be used in combination, and can be arbitrarily selected according to the purpose.
- a small amount of a polyhydric alcohol component such as glycerin may be used, and a small amount of an epoxy compound may be used.
- the proportion of ethylene glycol in the glycol component is preferably 75 mol% or more, more preferably 80 mol% or more, and particularly preferably 90 mol% or more.
- polyester resins include, for example, polyalkylene terephthalates such as polyethylene terephthalate, polybutylene terephthalate, polycyclohexanedimethylene terephthalate, and aromatic polyesters such as polyalkylene naphthalates such as polyethylene naphthalate and polybutylene naphthalate. Can be mentioned.
- the polyester resin according to the present invention may be a copolymer or a modified body of a plurality of polyester resins, or may be a polymer alloy of the above-described suitable polyester resin and the following other resins.
- the polymer alloy here refers to a polymer multi-component system, which may be a block polymer by copolymerization or a polymer blend by mixing.
- polyester components and other acid components and / or glycol components for example, isophthalic acid, adipic acid, sebacic acid, glutaric acid, diphenylmethane dicarboxylic acid, dimer acid acid components, hexamethylene glycol, etc.
- Bisphenol A a glycol component such as neopentyl glycol alkylene oxide adduct), a polyetherester resin; polyhydroxybutyrate, polycaprolactone, polybutylene succinate, polyethylene succinate, polylactic acid resin, polymalic acid, Degradable aliphatic polyesters such as polyglycolic acid, polydioxanone, poly (2-oxetanone); aromatic polyester / polyether block copolymers, aromatic polyester / polylactone block copolymers, Broad polyester resins, such as arylate also be used.
- those having a heat-resistant characteristic with a melting point of 200 ° C. to 300 ° C. are particularly preferably used.
- the (B1) terminal-modified polyethylene terephthalate according to the present invention is a polyethylene whose terminal is modified with a group represented by the following general formula (1), or a group represented by the following general formula (1) and a carboxylic acid metal salt. It is terephthalate.
- the alkylene group having 1 to 12 carbon atoms represented by X includes a methylene group, an ethylene group, a 1,3-propylene group, a 1,4-butylene group, a 1,5-pentylene group, , 6-hexylene group, 1,2-butylene group, 1,2-pentylene group, 1,2-hexylene group, 1,9-nonylene group, 1,10-decylene group, 1,11-undecylene group, , 12-dodecylene group and the like, and an ethylene group is preferable.
- X represents a direct bond or an alkylene group having 1 to 12 carbon atoms.
- the average molecular weight of the end-modified polyethylene terephthalate is not particularly limited, and any molecular weight can be selected. However, if the molecular weight is smaller than 200, the retention in the polyester resin is poor and bloom appears on the surface of the molded product. When it exceeds 20000, the effect as a crystal nucleating agent may not be exhibited, so 200 to 20000 is preferable, and 500 to 10,000 is more preferable.
- the above general formula (1) is preferably 0.001 to 5 parts by mass, and more preferably 0.005 to 0.5 parts by mass.
- [(B2) terminal-modified polybutylene terephthalate] (B2) terminal-modified polybutylene terephthalate according to the present invention has its terminal modified with a group represented by the following general formula (1) or a group represented by the following general formula (1) and a metal carboxylate Polybutylene terephthalate.
- the alkylene group having 1 to 12 carbon atoms represented by X includes a methylene group, an ethylene group, a 1,3-propylene group, a 1,4-butylene group, a 1,5-pentylene group, , 6-hexylene group, 1,2-butylene group, 1,2-pentylene group, 1,2-hexylene group, 1,9-nonylene group, 1,10-decylene group, 1,11-undecylene group, , 12-dodecylene group and the like, and a 1,4-butylene group is preferable.
- X represents a direct bond or an alkylene group having 1 to 12 carbon atoms.
- the average molecular weight of the end-modified polybutylene terephthalate is not particularly limited, and any molecular weight can be selected. However, if it is less than 200, the retention in the polyester resin is poor and bloom appears on the surface of the molded product. In some cases, if it exceeds 20000, the effect as a crystal nucleating agent may not be exhibited, so 200 to 20000 is preferable, and 500 to 10,000 is more preferable.
- polyester resin composition of the present invention (A) the polyester resin and (B2) terminal-modified polybutylene terephthalate, and the rest of the general formula (1) is removed to the total of 100 parts by mass.
- the content of the group represented by the formula (1) is preferably 0.001 to 5 parts by mass, and more preferably 0.005 to 1 part by mass.
- the terminal of polyethylene terephthalate or polybutylene terephthalate is a halogen or halogenated alkylene group.
- a method of reacting a modified polymer with a compound represented by the following general formula (2), and adding a compound represented by the following general formula (3) as a polymerization monomer (stopper) during polymerization of polyethylene terephthalate or polybutylene terephthalate And a method in which a compound represented by the following general formula (2) or (3) is dissolved in a diol component of a monomer and added at the time of polymerization of polyethylene terephthalate or polybutylene terephthalate.
- n 1 or 2
- M represents a hydrogen atom or a metal atom, when n is 1, M represents a hydrogen atom or an alkali metal, and when n is 2, M represents Represents a divalent metal atom.
- A represents an alkylene group having 1 to 12 carbon atoms.
- Examples of the alkylene group having 1 to 12 carbon atoms represented by A in the general formula (2) include the same alkylene groups as described above.
- polyethylene terephthalate an ethylene group may be used, and polybutylene terephthalate. 1,4-butylene group is preferred for each.
- the metal atom represented by M in the general formula (2) is selected from lithium, potassium, sodium, magnesium, calcium, strontium, barium, titanium, manganese, iron, zinc, silicon, zirconium, yttrium, or barium.
- Metal Potassium, lithium, and sodium are preferable because a crystal nucleating agent excellent in the crystallization accelerating effect of the polyester resin is obtained, and sodium is particularly preferable.
- a compound represented by the above general formula (2), or a compound represented by the above general formula (3) and a carboxylic acid metal salt are converted into polyethylene terephthalate.
- polymerization of polybutylene terephthalate, and heat-melting is mentioned.
- the compound represented by the general formula (2) or the general formula (3) it is preferable to use a compound that has been pulverized.
- the pulverization is performed using a pulverizer until the volume average particle diameter is preferably in the range of 0.5 to 50 ⁇ m, more preferably 1 to 30 ⁇ m. Further, it is preferable that the 250 ⁇ m mesh pass is 90% by mass or more, more preferably 95% by mass or more by pulverization.
- the volume average particle size is less than 0.5 ⁇ m, the energy consumption required for pulverization is large and uneconomical.
- the volume average particle size is larger than 50 ⁇ m, the terminal-modified polyethylene terephthalate or the terminal-modified polybutylene terephthalate prepared using the pulverized product is used as a polyester resin.
- the compound represented by the above general formula (2) or (3) is aggregated without being dispersed in polyethylene terephthalate or polybutylene terephthalate, and the appearance of the final molded product is impaired. There is a case.
- the 250 mesh pass is less than 90% by mass, coarse particles may remain in the resin during melt kneading with polyethylene terephthalate or polybutylene terephthalate, which may adversely affect the appearance and physical properties of the molded product.
- a volume average particle diameter represents the numerical value from which the volume average by a laser diffraction and a productive particle size distribution meter (the Nikkiso Co., Ltd. brand name Microtrac MT3000II) becomes 50%.
- pulverizer used for the pulverization a known pulverizer can be used.
- a roll-type pulverizer, a high-speed rotational impact pulverizer, an airflow-type pulverizer, a shearing / grinding-type pulverization method, and a pulverizer using a medium-type pulverizer are preferably used.
- a combination of these pulverization methods may be used, or a combination of pulverization equipment may be used.
- a system that introduces a classification mechanism can also be adopted.
- Examples of the roll type pulverizer include a roll rotating mill in which pulverization is performed between rotating rolls, a roller rolling mill in which a roller rolls in a table or a container, and the like.
- Examples of the high-speed rotational impact type pulverizer include those that collide a sample with a rotor that rotates at high speed and achieve miniaturization by the impact force. Specifically, a hammer mill type hammer type with a fixed or swinging impactor attached to the rotor, a pin mill type rotary disc type with a pin or impact head attached to a rotating disc, and the sample is conveyed in the shaft direction. Examples thereof include an axial flow type for pulverization and an annular type for finer particles in a narrow annular portion.
- the airflow crusher (jet mill) is a device that uses the kinetic energy of a high-speed gas fluid to accelerate and collide the sample and crush the particles by directly colliding with the collision plate. And a type that is mainly responsible for pulverization by making fine particles by friction between particles.
- shearing / grinding type pulverizer examples include a grinding type pulverizer that uses shear friction force under pressure.
- a container driven mill that drives an internal pulverizing medium by moving the container rotating or vibrating, and a medium agitating type that imparts a kinetic force to the medium by an agitation mechanism inside the container.
- Mill a container driven mill that drives an internal pulverizing medium by moving the container rotating or vibrating
- a medium agitating type that imparts a kinetic force to the medium by an agitation mechanism inside the container.
- the container-driven mill include a rolling ball mill such as a ball mill, a vibration mill, a centrifugal mill, a planetary mill, and a high swing mill.
- the medium agitating mill includes a tower shape, an agitation, depending on the shape of the container. Examples include a tank type, a distribution pipe type, and an annular type.
- the grinding media are solid, for example, non-metal such as glass, meno, silicon nitride, zirconia, steatite, etc., metal such as alumina, titania, tungsten carbide, chrome steel, stainless steel
- metal such as alumina, titania, tungsten carbide, chrome steel, stainless steel
- alloys such as these, is mentioned. Although it does not limit as a form, For example, a bead and a ball-like thing are mentioned.
- the compound represented by the general formula (2) or the general formula (3) is dried until the moisture content is 8 mass% or less, and then the pulverization treatment is performed, and the mass is preferably 5 mass% or less. It is more preferable to carry out after drying until. If the water content exceeds 8% by mass, the pulverization time may be prolonged and the pulverization efficiency may deteriorate, the pulverized products may adhere to each other in the pulverization tank and harden, or secondary aggregation may occur after pulverization. Moreover, drying until the moisture content is less than 0.01% by mass is uneconomical.
- the moisture content is the weight loss of 10 g of the sample under the measurement conditions of standard mode measurement accuracy HI and sample pan temperature 160 ° C. using a heat drying moisture meter MS-70 manufactured by A & D Co., Ltd.
- the amount of water contained in the measurement sample was evaluated, and the ratio between the amount of water and the weight of the measurement sample was evaluated as the moisture content.
- the compound represented by the general formula (2) or (3) when the compound represented by the general formula (2) or (3) is heated and melted with polyethylene terephthalate or polybutylene terephthalate, the compound represented by the general formula (2) or (3) is pulverized, Further, it is preferable to use a product dried to a moisture content of 1% by mass or less.
- a drying method a known dryer can be used. For example, a spray dryer, a vacuum freeze dryer, a vacuum dryer, a mobile dryer, a fluidized bed dryer, a rotary observer, a stirring dryer, and the like may be used.
- a known crushing treatment device can be used, and examples thereof include a jet mill and a Henschel mill.
- carboxylic acid metal salt examples include a carboxylic acid lithium salt, a carboxylic acid potassium salt, a carboxylic acid sodium salt, and the like, and a carboxylic acid sodium salt is particularly preferable.
- the polyester resin composition of the present invention may further contain other additives as necessary.
- additive compounding methods include a method of mixing with a polyester resin in a compounding amount according to the purpose, and melt-kneading with a molding processing machine such as an extruder, and granulating and molding.
- Other additives may be mixed and added together with the crystal nucleating agent. After melt-kneading the polyester resin composition of the present invention, other additives are added and molded using a molding machine. May be.
- additives examples include plasticizers, fillers, phenolic antioxidants, phosphorus antioxidants, thioether antioxidants, ultraviolet absorbers, hindered amine compounds, heavy metal deactivators, and crystals used in the present invention.
- crystal nucleating agents other than nucleating agents include flame retardants, metal soaps, hydrotalcite, fillers, lubricants, antistatic agents, pigments, and dyes.
- the moldability of the polyester resin and the shrinkage anisotropy of the resulting molded product It is preferable because it is possible to improve the properties and surface characteristics.
- plasticizer examples include polyethylene glycol butanoic acid ester, polyethylene glycol isobutanoic acid ester, polyethylene glycol di (2-ethylbutyric acid) ester, polyethylene glycol (2-ethylhexylic acid) ester, polyethylene glycol decanoic acid ester, and adipic acid diacid.
- butoxyethanol di (butyl diglycol) adipate, di (butyl polyglycol) adipate, di (2-ethylhexyloxyethanol) adipate, di (2-ethylhexyl diglycol) adipate, di (2- Ethyl hexyl polyglycol), dioctoxyethanol adipate, di (octyl diglycol) adipate, di (octyl polyglycol) adipate, ethylene glycol benzoate Diethylene glycol dibenzoate, polyethylene glycol dibenzoate, propylene glycol dibenzoate, dipropylene glycol dibenzoate, tripropylene glycol dibenzoate, 1,3-butanediol dibenzoate, 1,4 -Butanediol benzoate, 1,6-hexanediol dibenzoate, 3-methyl-1,5-pentanediol dibenzoate,
- polyester monomers any of those known as polyester monomers can be used.
- aromatic carboxylic acids such as terephthalic acid, isophthalic acid, trimellitic acid, pyromellitic acid and naphthalenedicarboxylic acid
- aliphatic carboxylic acids such as maleic acid, fumaric acid, succinic acid, alkenyl succinic acid and adipic acid
- examples thereof include methyl ester compounds of basic acids and anhydrides thereof.
- a polybasic acid can be used alone or in combination of two or more.
- polyester monomers those known as polyester monomers can be used.
- the monohydric alcohol include, for example, octanol, isooctanol, 2-ethylhexanol, nonanol, isononanol, 2-methyloctanol, decanol, isodecanol, undecanol, dodecanol, tridecanol, tetradecanol, hexadecanol, 8-18 aliphatic alcohols such as octadecanol, alicyclic alcohols such as cyclohexanol, benzyl alcohol, 2-phenylethanol, 1-phenylethanol, 2-phenoxyethanol, 3-phenyl-1-propanol, 2- Aromatic alcohols such as hydroxyethyl benzyl ether are listed.
- a monohydric alcohol may be used individually by 1 type, and may use 2 or more types together.
- monobasic acid examples include monocarboxylic acids such as caprylic acid, nonanoic acid, capric acid, undecyl acid, lauric acid, monoesters of dicarboxylic acid, and diesters of tricarboxylic acid.
- a basic acid may be used individually by 1 type, and may use 2 or more types together.
- plasticizers other than the above-mentioned plasticizers, alicyclic ester plasticizers may be mentioned. Examples thereof include cyclohexanedicarboxylic acid esters, cyclohexanedicarboxylic acid esters having an epoxy group, and cyclohexanedicarboxylic acid anhydrides such as 1,2-cyclohexanedicarboxylic acid anhydride.
- plasticizers include, for example, ethyl benzyl phthalate, butyl benzyl phthalate, isobutyl benzyl phthalate, heptyl benzyl phthalate, (2-ethylhexyl) benzyl phthalate, n-octyl benzyl phthalate, nonyl benzyl phthalate, isononyl benzyl phthalate, iso Decyl benzyl phthalate, undecyl benzyl phthalate, tridecyl benzyl phthalate, cyclohexyl benzyl phthalate, benzyl-3- (isobutyryloxy) -1-isopropyl-2,2-dimethylpropyl phthalate, myristyl benzyl phthalate, dibutyl phthalate, diisobutyl phthalate , Diheptyl phthalate, di- (2-ethyl
- the preferred blending amount of the plasticizer is the sum of the (A) polyester resin and the balance obtained by removing the group represented by the general formula (1) from (B1) terminal-modified polyethylene terephthalate or (B2) terminal-modified polybutylene terephthalate.
- the amount is 0.1 to 20 parts by mass, more preferably 0.5 to 15 parts by mass, still more preferably 1 to 10 parts by mass, and most preferably 1 to 5 parts by mass with respect to 100 parts by mass. If the amount is less than 0.1 parts by mass, the effect may not be sufficient, and if it exceeds 20 parts by mass, the plasticizer may bleed out.
- an inorganic filler can be further used.
- the use of inorganic fillers gives the molded product rigidity such as mechanical strength, makes it a molded product with little anisotropy and warpage, and adjusts the fluidity during the melt processing of the polyester resin composition. be able to.
- the inorganic filler may be appropriately selected from those used for reinforcing conventional thermoplastic resins according to the purpose.
- Examples of the inorganic filler include talc, mica, calcium carbonate, calcium oxide, calcium hydroxide, magnesium carbonate, magnesium hydroxide, magnesium oxide, magnesium sulfate, aluminum hydroxide, barium sulfate, glass powder, glass fiber, and clay. , Dolomite, mica, silica, alumina, potassium titanate whisker, wollastonite, fibrous magnesium oxysulfate, and the like, and the average particle diameter (spherical or flat) or the average fiber diameter (acicular or fibrous) The thing of 5 micrometers or less is preferable.
- a fibrous inorganic filler is preferably used, and glass fiber is particularly preferable.
- an inorganic filler in the form of a plate-like material is preferable, and mica, glass flakes, and the like are particularly preferably used.
- a granular inorganic filler is preferably used for adjustment of fluidity at the time of manufacturing a molded article.
- the blending amount of the inorganic filler is the sum of the (A) polyester resin and the balance of (B1) terminal-modified polyethylene terephthalate or (B2) terminal-modified polybutylene terephthalate excluding the group represented by formula (1).
- the amount is from 0.01 to 400 parts by mass with respect to 100 parts by mass, and preferably from 1 to 300 parts by mass, more preferably from the viewpoint of mechanical strength, rigidity, shrinkage anisotropy, and surface characteristics of the obtained molded product.
- the amount is 5 to 200 parts by mass, more preferably 10 to 50 parts by mass. When the amount is less than 0.01 parts by mass, the mechanical strength and rigidity of the molded product may not be improved. When the amount exceeds 400 parts by mass, the appearance of the molded product may be impaired due to surface roughness.
- the inorganic filler for the purpose of improving the affinity and adhesiveness at the interface with the polyester resin, those previously treated with a surface treatment agent can also be used.
- a surface treatment agent for example, a surface treatment agent containing one or more of an aminosilane compound and an epoxy resin is preferably used.
- aminosilane compound examples include ⁇ -aminopropyltriethoxysilane, ⁇ -aminopropyltrimethoxysilane, and ⁇ - (2-aminoethyl) aminopropyltrimethoxysilane.
- the epoxy resin contained in the surface treatment agent is roughly classified into, for example, a novolac type epoxy resin and a bisphenol type epoxy resin, and a novolac type epoxy resin is preferably used.
- the novolak type epoxy resin include polyfunctional type epoxy resins such as a phenol novolak type epoxy resin and a cresol novolak type epoxy resin.
- the surface treatment agent may contain components such as a urethane resin, an acrylic resin, an antistatic agent, a lubricant, and a water repellent as long as the properties are not impaired.
- a urethane resin an acrylic resin
- an antistatic agent an antistatic agent
- a lubricant an antistatic agent
- a water repellent a water repellent
- epoxy resins other than novolac type and bisphenol type, coupling agents and the like can be mentioned.
- phenol antioxidant examples include 2,6-di-t-butyl-4-ethylphenol, 2-t-butyl-4,6-dimethylphenol, styrenated phenol, 2,2′-methylenebis ( 4-ethyl-6-t-butylphenol), 2,2′-thiobis- (6-t-butyl-4-methylphenol), 2,2′-thiodiethylenebis [3- (3,5-di-t -Butyl-4-hydroxyphenyl) propionate], 2-methyl-4,6-bis (octylsulfanylmethyl) phenol, 2,2'-isobutylidenebis (4,6-dimethylphenol), isooctyl-3- ( 3,5-di-tert-butyl-4-hydroxyphenyl) propionate, N, N′-hexane-1,6-diylbis [3- (3,5-di-tert-butyl-4-hydride) Xylphenyl) propionamide
- the amount of the phenolic antioxidant used is the balance obtained by removing the group represented by the general formula (1) from the (A) polyester resin and (B1) terminal-modified polyethylene terephthalate or (B2) terminal-modified polybutylene terephthalate.
- the total amount is 0.001 to 10 parts by mass, more preferably 0.01 to 5 parts by mass.
- Examples of the phosphorus antioxidant include triphenyl phosphite, diisooctyl phosphite, heptakis triphosphite, triisodecyl phosphite, diphenylisooctyl phosphite, diisooctyloctylphenyl phosphite, diphenyltridecyl Phosphite, triisooctyl phosphite, trilauryl phosphite, diphenyl phosphite, tris (dipropylene glycol) phosphite, diisodecyl pentaerythritol diphosphite, dioleyl hydrogen phosphite, trilauryl trithiophosphite, bis (tridecyl) ) Phosphite, tris (isodecyl) phosphite, tris (tridec
- the amount of the phosphorus antioxidant used is the balance obtained by removing the group represented by the general formula (1) from the (A) polyester resin and (B1) terminal-modified polyethylene terephthalate or (B2) terminal-modified polybutylene terephthalate.
- the total amount is 0.001 to 10 parts by mass, more preferably 0.01 to 5 parts by mass. If it is 0.001 part by mass or less, the polyester resin composition may not be able to obtain a sufficient stabilizing effect. If it exceeds 10 parts by mass, dispersion in the resin may be reduced, or the appearance of the molded product may be adversely affected. May give.
- Examples of the alkyl group having 1 to 8 carbon atoms represented by R 1 , R 2 , R 3 and R 4 in the general formula (4) include a methyl group, an ethyl group, a propyl group, an isopropyl group, butyl, Examples include dibutyl, tert-butyl, isobutyl, amyl, isoamyl, tert-amyl, hexyl, cyclohexyl, heptyl, isoheptyl, tert-heptyl, n-octyl, isooctyl, tert-octyl, 2-ethylhexyl trifluoromethyl and the like.
- the hydrogen atom in these groups may be substituted with a halogen atom, a saturated alicyclic ring, an aromatic ring or the like.
- the aryl group having 6 to 12 carbon atoms which may be substituted include a phenyl group and a naphthyl group.
- the aralkyl group having 6 to 12 carbon atoms include a hydrogen atom of the above alkyl group as an aryl group. And those substituted with a group.
- thioether-based antioxidant examples include tetrakis [methylene-3- (laurylthio) propionate] methane, bis (methyl-4- [3-n-alkyl (C12 / C14) thiopropionyloxy] 5-t-butyl.
- Phenyl) sulfide ditridecyl-3,3′-thiodipropionate, dilauryl-3,3′-thiodipropionate, dimyristyl-3,3′-thiodipropionate, distearyl-3,3′-thiodipro Pionate, lauryl / stearyl thiodipropionate, 4,4'-thiobis (6-t-butyl-m-cresol), 2,2'-thiobis (6-t-butyl-p-cresol), distearyl- Disulfide is mentioned.
- the amount of the thioether-based antioxidant is preferably the above-mentioned (A) polyester resin and (B1) terminal-modified polyethylene terephthalate or (B2) terminal-modified polybutylene terephthalate excluding the group represented by the general formula (1)
- the amount is 0.01 to 0.3 parts by mass with respect to 100 parts by mass in total with the remainder.
- ultraviolet absorber examples include 2,4-dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-octoxybenzophenone, and 5,5′-methylenebis (2-hydroxy-4-methoxybenzophenone).
- 2-hydroxybenzophenones such as 2-; 2- (2-hydroxy-5-methylphenyl) benzotriazole, 2- (2-hydroxy-5-tert-octylphenyl) benzotriazole, 2- (2-hydroxy-3, 5-di-tert-butylphenyl) -5-chlorobenzotriazole, 2- (2-hydroxy-3-tert-butyl-5-methylphenyl) -5-chlorobenzotriazole, 2- (2-hydroxy-3,5 -Dicumylphenyl) benzotriazole, 2,2'-methylenebis (4-tertiary Octyl-6-benzotriazolylphenol), polyethylene glycol ester of 2- (2-hydroxy-3-tert-butyl-5-carboxyphenyl) benzotriazole, 2- [2-hydroxy-3- (2-acryloyloxy) Ethyl) -5-methylphenyl] benzotriazole, 2- [2-hydroxy-3- (2-methacryloyloxyethyl) -5
- the amount of the ultraviolet absorber used is the sum of the (A) polyester resin and the balance obtained by removing the group represented by formula (1) from (B1) terminal-modified polyethylene terephthalate or (B2) terminal-modified polybutylene terephthalate.
- the amount is 0.001 to 5 parts by mass, more preferably 0.005 to 0.5 parts by mass with respect to 100 parts by mass.
- hindered amine light stabilizer examples include 2,2,6,6-tetramethyl-4-piperidyl stearate, 1,2,2,6,6-pentamethyl-4-piperidyl stearate, 2,2, 6,6-tetramethyl-4-piperidylbenzoate, bis (2,2,6,6-tetramethyl-4-piperidyl) sebacate, tetrakis (2,2,6,6-tetramethyl-4-piperidyl) -1 , 2,3,4-butanetetracarboxylate, tetrakis (1,2,2,6,6-pentamethyl-4-piperidyl) -1,2,3,4-butanetetracarboxylate, bis (2,2, 6,6-tetramethyl-4-piperidyl) .di (tridecyl) -1,2,3,4-butanetetracarboxylate, bis (1,2,2,6,6-pentamethyl-4 Piperidyl) -di (tridecyl) -1,2,3,
- the amount of the hindered amine light stabilizer used is the balance obtained by removing the group represented by the general formula (1) from the (A) polyester resin and (B1) terminal-modified polyethylene terephthalate or (B2) terminal-modified polybutylene terephthalate.
- the total amount is 0.001 to 5 parts by mass, and more preferably 0.005 to 0.5 parts by mass.
- crystal nucleating agents examples include, for example, simple substances such as carbon black, graphite, zinc powder, and aluminum powder; metal oxides such as zinc oxide, magnesium oxide, alumina, hematite, and magnetite; talc, asbestos, kaolin, and montmorillonite.
- Clays such as clay and pyrophyllite, sulfates such as calcium sulfate and barium sulfate; inorganic phosphates such as calcium phosphate; metal salts of aromatic oxysulfonic acid, magnesium salts of organic phosphorus compounds, zinc of organic phosphorus compounds Organic phosphates such as salts; inorganic silicates such as calcium silicate salt and magnesium silicate salt; sodium monocarboxylate, lithium monocarboxylate, barium monocarboxylate, magnesium monocarboxylate, calcium monocarboxylate , Sodium stearate, Sodium tantalate, calcium montanate, sodium benzoate, potassium benzoate, calcium benzoate, 4-tert-butylaluminum benzoate, sodium adipate and disodium bicyclo [2.2.1] heptane-2,3- Carboxylic acid metal salts such as dicarboxylate, sodium carbonate, magnesium carbonate; sodium bis (4-tert-butylpheny
- the amount of the other crystal nucleating agent used is the balance obtained by removing the group represented by the general formula (1) from the (A) polyester resin and (B1) terminal-modified polyethylene terephthalate or (B2) terminal-modified polybutylene terephthalate.
- the total amount of the nucleating agent used in the present invention is 0.001 to 1 part by mass with respect to 100 parts by mass in total.
- the flame retardant examples include aromatic phosphates such as triphenyl phosphate, tricresyl phosphate, trixylenyl phosphate, cresyl diphenyl phosphate, cresyl-2,6-xylenyl phosphate, and resorcinol bis (diphenyl phosphate).
- aromatic phosphates such as triphenyl phosphate, tricresyl phosphate, trixylenyl phosphate, cresyl diphenyl phosphate, cresyl-2,6-xylenyl phosphate, and resorcinol bis (diphenyl phosphate).
- Esters such as divinyl phenylphosphonate, diallyl phenylphosphonate and phenylphosphonic acid (1-butenyl), phenyl diphenylphosphinate, methyl diphenylphosphinate, 9,10-dihydro-9-oxa-10-phospha Phosphinic acid esters such as phenanthrene-10-oxide derivatives, phosphazene compounds such as bis (2-allylphenoxy) phosphazene and dicresyl phosphazene, melamine phosphate, melamine pyrophosphate, Melamine phosphate, melam polyphosphate, ammonium polyphosphate, phosphorus-containing vinylbenzyl compounds and phosphorus-based flame retardants such as red phosphorus, metal hydroxides such as magnesium hydroxide and aluminum hydroxide, brominated bisphenol A type epoxy resin, bromine Phenol novolac epoxy resin, hexabromobenzene
- the flame retardant is used in a total amount of (A) the polyester resin and (B1) terminal-modified polyethylene terephthalate or (B2) terminal-modified polybutylene terephthalate, and the remainder obtained by removing the group represented by the general formula (1).
- the amount is 1 to 70 parts by mass, and more preferably 10 to 30 parts by mass with respect to parts by mass.
- the above-mentioned lubricant is added for the purpose of imparting lubricity to the surface of the molded body and enhancing the effect of preventing damage.
- the lubricant include unsaturated fatty acid amides such as oleic acid amide and erucic acid amide; saturated fatty acid amides such as behenic acid amide and stearic acid amide. These may be used alone or in combination of two or more.
- the amount of the lubricant added is a total of 100 masses of (A) the polyester resin and (B1) terminal-modified polyethylene terephthalate or (B2) terminal-modified polybutylene terephthalate, and the remainder excluding the group represented by formula (1).
- the amount is in the range of 0.03 to 2 parts by mass, more preferably 0.04 to 1 part by mass with respect to parts. If the amount is less than 0.03 parts by mass, the desired lubricity may not be obtained. If the amount exceeds 2 parts by mass, the lubricant component may bleed on the surface of the molded product or cause a decrease in physical properties.
- the antistatic agent is added for the purpose of reducing the chargeability of the molded body and preventing dust from adhering due to charging.
- the antistatic agent include a cationic antistatic agent, an anionic antistatic agent, and a nonionic antistatic agent.
- Preferred examples include polyoxyethylene alkylamines, polyoxyethylene alkylamides or their fatty acid esters, glycerin fatty acid esters, and the like. These may be used alone or in combination of two or more.
- the addition amount of the antistatic agent is the balance obtained by removing the group represented by the general formula (1) from the (A) polyester resin and (B1) terminal-modified polyethylene terephthalate or (B2) terminal-modified polybutylene terephthalate.
- the amount is preferably 0.03 to 2 parts by mass, more preferably 0.04 to 1 part by mass with respect to 100 parts by mass in total.
- the amount of the antistatic agent is too small, the antistatic effect is insufficient.
- the amount is too large, bleeding to the surface and deterioration of physical properties may occur.
- a release agent can be mix
- the mold release agent is preferably one that improves the mold release property of the molded product from the mold and enables the molded product to be released even with a mold having a cavity with a reverse taper surface.
- Specific examples include polyethylene wax and low molecular weight polypropylene, which can be used alone or in combination.
- the polyethylene wax is a low molecular weight polyethylene having a molecular weight of about 500 to 10,000.
- the amount of the release agent added is a total of 100 from the (A) polyester resin and (B1) terminal-modified polyethylene terephthalate or (B2) terminal-modified polybutylene terephthalate except the group represented by formula (1). 0.1 to 1 part by mass is preferable with respect to part by mass.
- the polyester resin composition of the present invention can be molded using a known molding method or molding apparatus.
- it can be molded by any molding method such as extrusion molding, injection molding, hollow molding, blow molding, calender molding, compression molding, etc., sheet, film, device housing, food container, cosmetic container, bottle, tank Containers, food bottles, beverage bottles, edible oil bottles, seasoning bottles and other bottles, food packaging materials, wrapping materials, packaging materials for transport packaging materials, electronic material protective films, protection of electrical appliances It can be used for sheets and films such as sheets, daily goods, toys, textile materials, and the like.
- the polyester resin composition using (B2) terminal-modified polybutylene terephthalate is used in electrical parts, electronic parts, mechanical mechanism parts, light parts, connectors, ignition coils, current-carrying parts for airbags, gears, etc.
- Automotive parts such as door lock housings, exhaust related products, wiper arms, door mirror stays, headlight housings, sunroof rims, frames, instrument panels, spoiler panels, dashboard panels, rear window panels, exterior air spoilers, seats It can also be used for automobile interior / exterior products such as shock absorbers such as backs, wind deflectors and bumpers, fairings, pipes and the like.
- the molded body of the present invention may be stretched, and as a stretching method, after preforming, it is stretched by applying stress so as to be stretched in a stretching direction uniaxially or biaxially, or a cylindrical shape (bottle container) ) Is stretched. Stretching is usually performed in a temperature range of 80 to 200 ° C.
- the heating method is not particularly limited, and a heating method that can uniformly heat the entire molded body is preferable. However, a part or a plurality of parts may be heated.
- the molded product in the case of a polyester resin composition using (B2) terminal-modified polybutylene terephthalate, the molded product can be improved in crystallinity by annealing treatment, and the molded product is higher than the glass transition temperature of polybutylene terephthalate. By heating at a temperature below the melting point, the crystallinity of the molded product can be improved.
- the polyester resin composition of the present invention When the polyester resin composition of the present invention is used as a fiber material, the polyester resin composition may be melted and stretched, and a stretched and oriented fiber is particularly preferable.
- a known stretching method can be used, and the stretching ratio can be determined within a range where the fiber is not broken.
- the fiber can be subjected to twisting, adhesive treatment, heat treatment, and alkali treatment by a known method, and the twisted yarn may be twisted with a fiber material other than the polyester fiber.
- a fiber material other than the polyester fiber.
- the other fiber material a material that is easily entangled with the polyester fiber and has few fiber breakage is preferably used.
- the above fibers are vehicle tire structures, printing substrates, wallpaper substrates, wiping materials, various filter materials, poultice materials, medical hygiene materials such as sanitary products, clothing, clothing interlining, pillow covers, and cosmetics. It can be used for industrial materials such as base materials, automotive interior materials, sound absorbing materials, packaging materials, and civil engineering.
- the screw temperature is within the melting point of polyethylene terephthalate plus 50 ° C. while supplying an inert gas such as nitrogen gas into the extruder. If the screw temperature is too low, a short circuit will occur and the molding will become unstable, and it will easily fall into an overload, and if the screw part temperature is too high, the resin will be thermally decomposed and the physical properties of the resulting molded product will be reduced. Since it may be colored, it is not preferable.
- the blow molding method is not particularly limited, and examples thereof include a direct blow method in which blow molding is performed after forming a preform by extrusion molding, and an injection blow molding method in which blow molding is performed after molding a preform (parison) by injection molding. It is done.
- Examples of the latter injection blow molding method include a hot parison method (one-stage method) in which blow molding is continuously performed after preform molding, and a cold parison method in which the preform is cooled and taken out and then heated again to perform blow molding. Any of the two-stage methods can be employed.
- the preform can be composed of two or more layers of polyester resin, and an inner layer and an outer layer composed of two or more layers of polyester resin. Further, an intermediate layer can be inserted, and the intermediate layer can be a barrier layer or an oxygen absorbing layer.
- barrier layer examples include those that suppress the permeation of oxygen from the outside to the plastic bottle and prevent the contents from being altered, and are particularly suitable for plastic bottles for beverages containing carbon dioxide gas.
- the oxygen absorbing layer absorbs oxygen and prevents permeation of oxygen in the plastic bottle, and an oxidizable organic substance or a transition metal catalyst, or a resin having a high gas barrier property that does not substantially oxidize is used.
- the inner and outer layers are made of polyester resin, and one or two layers between the inner and outer layers.
- the preform can be produced by a known injection molding machine or extrusion molding machine.
- the preform when the preform is molded by stretch blow in a polyester resin composition using (B1) terminal-modified polyethylene terephthalate, it is preferable to stretch the preform by heating at a temperature equal to or higher than the glass transition point of polyethylene terephthalate. Specifically, it can be stretched within the range of 85 ° C to 135 ° C, more preferably 90 to 130 ° C. If the temperature is lower than 85 ° C, the preform cannot be softened sufficiently and stretch blow molding cannot be performed. If the temperature exceeds 135 ° C or the heating time is too long, crystallization of the preform proceeds excessively and uniform stretching can be achieved. Or the transparency of the plastic bottle may be reduced.
- the stretching is performed by stretch blow molding a preform heated at a predetermined temperature.
- the mold temperature is 85 to 160 ° C., more preferably 90 to 145 ° C. If it is less than 85 ° C., the heat shrinkage of the molded product may be remarkably unstable, and if it exceeds 160 ° C., thermal decomposition of the resin may increase, and foreign matter may easily adhere to the mold.
- the plastic bottle may be heat-treated.
- the obtained plastic bottle is heated to 180 to 245 ° C., more preferably 200 to 235 ° C., and the mold temperature is set to 100 to 230 ° C., more preferably 110 to 200 ° C. Remold. If the mold temperature is less than 100 ° C, sufficient heat resistance cannot be obtained, and if it is 230 ° C or more, the shape of the molded product may not be maintained.
- the draw ratio in blow molding is not particularly limited, but it is desirable that the longitudinal draw ratio ⁇ the transverse draw ratio is 3 to 14 times, preferably 4 to 12 times. If it is 14 times or more, whitening of the plastic bottle may occur due to overstretching. If it is less than 3 times, it is necessary to reduce the thickness of the preform, but if the preform is too thin, it will be molded to a uniform thickness. Becomes difficult.
- the bottle neck portion of the plastic bottle it is possible to prevent deformation of the mouth portion of the plastic bottle due to high temperature filling. Insufficient mouth crystallization causes problems such as deformation when capping a plastic bottle, leakage of the contents after cooling the plastic bottle filled with contents, and loosening of the cap. There is a case.
- As a method for crystallizing the mouth portion it can be crystallized by heating the mouth portion of a preform or a plastic bottle before blow molding or after blow molding.
- the temperature for crystallization by heating is preferably 160 to 200 ° C, more preferably 160 to 180 ° C.
- the polyester resin composition of the present invention when molded as a plastic bottle for heat resistance, it is necessary to set the density of the plastic bottle to an appropriate value. If the density is too high, the degree of crystallinity of the plastic bottle will be excessively high, which may hinder blow molding.If the density is too low, the plastic bottle will be heated and deformed. May leak.
- the density is appropriately selected depending on the polyester resin.
- plastic bottles include normal bottles, carbonated bottles, hot filling bottles, hot compatible bottles, heat and pressure resistant bottles, etc.
- Applications include dairy products, tea, soft drinks, carbonated bottles, etc.
- beverage containers such as beverages, barley, wine, shochu, and sake, soy sauce, edible oil, salad dressings, containers for seasonings such as spices, detergent containers such as shampoos and rinses, cosmetic containers, and the like.
- Plastic bottles can be used from small bottles with a capacity of several ml to large bottles with a capacity of more than 5L.
- the thickness of the plastic is not particularly limited as long as it can protect the contents, and is usually preferably in the range of 0.1 mm to 1 mm at the thinnest part.
- the outer surface of the plastic bottle is coated with a film such as polyethylene / polypropylene or a laminate film with ceramic / silica bonded together, or the bottle inside is deposited with metal oxide, amorphous carbon, etc. Can be used.
- an aseptic filling system for the plastic bottle, it can be adopted in a known manner. Specifically, a system comprising a combination of a container sterilization section and an aseptic filling section can be mentioned.
- the inside of the plastic bottle is washed with warm water or a chlorinated chemical containing hydrogen peroxide, peracetic acid, hypochlorous acid, ozone, etc.
- the plastic bottle is sterilized by a method such as injecting a sterilizing solvent or immersing it in a medicine, then the mouth of the plastic bottle is turned down, the sterilizing solvent or medicine is discharged, and the residue is removed with air or the like. Is called.
- a sterilized container is filled with sterilized contents and capped.
- the method for sterilizing the contents include a method of filtering bacteria by ultrafiltration and a method of instant sterilization by high-temperature and short-time sterilization.
- the upper limit temperature when filling the contents is 40 ° C, more preferably 30 to 40 ° C. However, when a cooling step is added after filling, an upper limit temperature of 50 to 60 ° C. can be adopted.
- the molding method is not particularly limited, and known molding methods such as extrusion molding, injection molding, hollow molding, blow, film, and sheet can be used.
- the temperature condition of the extrusion molding machine is preferably such that the screw part temperature is within the melting point of the polyester resin plus 50 ° C. or less. If the screw temperature is too low, a short circuit will occur and the molding will become unstable, and it will easily fall into an overload, and if the screw part temperature is too high, the resin will be thermally decomposed and the physical properties of the resulting molded product will be reduced. Since it may be colored, it is not preferable.
- Example 1-1 Comparative Examples 1-1 to 4
- the pellet A obtained in Production Example 1 or the pellet B obtained in Production Example 2 was blended with polyethylene terephthalate (TR-8550 manufactured by Teijin Chemicals Ltd.).
- the pellet was blended so that the pellet A or B was 6.67 parts by mass with respect to 100 parts by mass in total of the polyethylene terephthalate and the pellets A or B.
- Polyethylene terephthalate blended with pellets was mixed and granulated with a twin-screw extruder (equipment: TEX28V manufactured by Nippon Steel Works, cylinder temperature: 270 ° C., screw speed: 200 rpm) to obtain pellets.
- a twin-screw extruder equipment: TEX28V manufactured by Nippon Steel Works, cylinder temperature: 270 ° C., screw speed: 200 rpm
- a 90 mm ⁇ 90 mm ⁇ 1 mm sheet was molded by an injection molding machine (Toshiba Corporation injection molding machine EC100) (molding conditions: injection temperature 280 ° C., injection time 15 seconds, mold temperature 15 ° C., mold The mold cooling time was 20 seconds).
- a biaxial stretching apparatus was set with a biaxial stretching apparatus (EX-10B, manufactured by Toyo Seiki Seisakusho Co., Ltd.) at a setting temperature of 97 ° C. and a stretching speed of 2.5 mm / min in both length and width. After confirming that the temperature was stable, the sheet was placed, allowed to stand for 2.5 minutes, and then stretched 4 times in length and width. The obtained stretched sheet was measured by the following method. These results are shown in Table 1 below.
- the annealing treatment performed in Example 1-2 and Comparative Example 1-2 below is a method in which a flat plate heater heated to 180 ° C. is placed at a height of 10 mm from the upper surface of the stretched sheet. Then, it was installed at a height of 20 mm from the bottom and left to stand for 1 minute.
- Yellowness (YI) In accordance with JIS K7105, the yellowness (YI) of the test piece was measured with a spectrocolorimeter (SC-P; manufactured by Suga Test Instruments Co., Ltd.).
- Example 1-1 From Example 1-1, it was confirmed that the molded article of the present invention had good transparency, little coloration, and greatly improved physical properties, compared to the compound containing no crystal nucleating agent of Comparative Example 1-1.
- X-ray photoelectron spectroscopy (Shimadzu Kratos Co., Ltd. AXIS-ULTRA, measurement conditions; X-ray source: Mg 15 kV, 15 mA) confirms the energy state of the 1S orbital of nitrogen in the following pellets or compounds by X-ray photoelectron spectroscopy spectrum did.
- Fig. 1 shows PET without nucleating agent
- Fig. 2 shows PET with 1% 1,2-benzisothiazol-3 (2H) -one 1,1-dioxide sodium salt
- Fig. 3 shows 1,2-benzisothiazole. -3 (2H) -one 1,1-dioxide sodium salt 3% combined PET
- FIG. 1 shows PET without nucleating agent
- Fig. 2 shows PET with 1% 1,2-benzisothiazol-3 (2H) -one 1,1-dioxide sodium salt
- Fig. 3 shows 1,2-benzisothiazole. -3 (2H) -one 1,1-dioxide sodium
- FIG. 4 shows 1,2-benzisothiazol-3 (2H) -one 1,1-dioxide sodium salt 5% combined PET
- FIG. 5 shows 1,2-benzisothiazol-3 (2H) -one 1,1-dioxide sodium salt
- FIG. 6 shows N-ethyl alcohol-1,2-benzisothiazol-3 (2H) -one 1, 1 represents an X-ray photoelectron spectrum of 1-dioxide.
- FIG. 5 is an X-ray photoelectron spectroscopic spectrum of 1,2-benzisothiazol-3 (2H) -one 1,1-dioxide sodium salt. From FIGS. It was confirmed that the position of the peak was deviated as compared with the X-ray photoelectron spectrum when benzisothiazol-3 (2H) -one 1,1-dioxide sodium salt was added.
- FIG. 6 shows that the X-ray photoelectron spectrum of the N-ethyl alcohol-1,2-benzisothiazol-3 (2H) -one 1,1-dioxide compound is compared, and FIG. The X-ray photoelectron spectroscopy spectra shown in FIGS. 2 to 4 are bound to polyester resin with 1,2-benzisothiazol-3 (2H) -one 1,1-dioxide sodium salt. The result which shows that was obtained.
- Examples 2-1 to 3-1, Comparative Examples 2-1 to 3-3 Addition and mixing of the additives listed in Table 2 below to 100 parts by weight of polybutylene terephthalate (trade name: DURANEX 2002, manufactured by Wintech Co., Ltd.), followed by drying at 150 ° C. for 4 hours, twin screw extruder (TEX28V Manufactured by Nippon Steel Works, Ltd.) and melt kneaded at a cylinder temperature of 260 ° C. and a screw speed of 200 rpm to obtain pellets. The obtained pellets were dried in a gear oven at 50 ° C.
- polybutylene terephthalate trade name: DURANEX 2002, manufactured by Wintech Co., Ltd.
- twin screw extruder TEX28V Manufactured by Nippon Steel Works, Ltd.
- the polyester resin composition containing the conventional crystal nucleating agent is slightly more compared to the polyester resin composition not containing the crystal nucleating agent of Comparative Example 2-1.
- the effect of improving physical properties was obtained, the effect of improving ⁇ Hc was poor, whereas from Example 2-1, the polyester resin composition of the present invention had an improved ⁇ Hc, and it was confirmed that the moldability was excellent.
- the deflection temperature under load (HDT) was also improved, and it was confirmed that the usable temperature range of the molded product could be increased.
- Example 3-1 it was confirmed that when a plasticizer was used in combination, ⁇ Hc was further improved and good moldability was obtained.
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Abstract
Description
(式中、Xは、直接結合又は炭素原子数1~12のアルキレン基を表す。)
(式中、Xは、直接結合又は炭素原子数1~12のアルキレン基を表す。)
本発明において用いられる(A)ポリエステル樹脂は、多価カルボン酸モノマーと多価アルコール成分から合成される、エステル結合により連結した重合体である。好ましくは、芳香族ジカルボン酸またはそのアルキルエステルを主たる酸成分とし、(B1)末端修飾ポリエチレンテレフタレートの使用に対してはエチレングリコールを、また(B2)末端修飾ポリブチレンテレフタレートの使用に対しては1,4-ブタンジオールを夫々主たるグリコール成分とするポリエステル樹脂である。本発明において、芳香族ジカルボン酸またはそのアルキルエステルとしては、テレフタル酸、イソフタル酸、ナフタレンジカルボン酸、ジフェニルジカルボン酸およびそれらのアルキルエステル等が挙げられる。また、それらのハロゲン化相当品のような他の芳香族ジカルボン酸基を含むものであってもよい。中でもテレフタル酸またはジメチルテレフタル酸を用いることが好ましく、通常、酸成分中75モル%以上、好ましくは80モル%以上、最も好ましくは90モル%以上を用いる。これらの酸成分は1種を用いてもよく、2種以上を混合して使用してもよい。
本発明においては、特に融点が200℃~300℃の耐熱性を有する特性を示すものが好ましく使用される。
本発明に係る(B1)末端修飾ポリエチレンテレフタレートは、下記一般式(1)で表される基、又は、下記一般式(1)で表される基及びカルボン酸金属塩で末端が修飾されたポリエチレンテレフタレートである。下記式(1)中、Xが表す炭素原子数1~12のアルキレン基としては、メチレン基、エチレン基、1,3-プロピレン基、1,4-ブチレン基、1,5-ペンチレン基、1,6-ヘキシレン基、1,2-ブチレン基、1,2-ペンチレン基、1,2-へキシレン基、1,9-ノニレン基、1,10-デシレン基、1,11-ウンデシレン基、1,12-ドデシレン基等が挙げられ、エチレン基が好ましい。
(式中、Xは、直接結合又は炭素原子数1~12のアルキレン基を表す。)
本発明に係る(B2)末端修飾ポリブチレンテレフタレートは、下記一般式(1)で表される基、又は、下記一般式(1)で表される基及びカルボン酸金属塩で末端が修飾されたポリブチレンテレフタレートである。下記式(1)中、Xが表す炭素原子数1~12のアルキレン基としては、メチレン基、エチレン基、1,3-プロピレン基、1,4-ブチレン基、1,5-ペンチレン基、1,6-ヘキシレン基、1,2-ブチレン基、1,2-ペンチレン基、1,2-へキシレン基、1,9-ノニレン基、1,10-デシレン基、1,11-ウンデシレン基、1,12-ドデシレン基等が挙げられ、1,4-ブチレン基が好ましい。
(式中、Xは、直接結合又は炭素原子数1~12のアルキレン基を表す。)
(式(2)中、nは、1又は2を表し、Mは水素原子又は金属原子を表し、nが1の場合、Mは水素原子又はアルカリ金属を表し、nが2の場合、Mは2価の金属原子を表す。)
(式(3)中、Aは炭素原子数1~12のアルキレン基を表す。)
本発明のポリエステル樹脂組成物には、必要に応じてさらに他の添加剤を配合することができる。他の添加剤の配合方法としては、目的に応じた配合量でポリエステル樹脂と混合して、押出機などの成形加工機で溶融混錬して造粒、成形する方法が挙げられ、本発明に係る結晶核剤と一緒に他の添加剤を混合して添加してもよく、本発明のポリエステル樹脂組成物の溶融混練後に、他の添加剤を添加して、成形加工機を用いて成形してもよい。
上記フェノール系酸化防止剤の使用量は、前記(A)ポリエステル樹脂と(B1)末端修飾ポリエチレンテレフタレートまたは(B2)末端修飾ポリブチレンテレフタレートから一般式(1)で表される基を除いた残部との合計100質量部に対して、0.001~10質量部、より好ましくは0.01~5質量部である。
(一般式(4)中、R1、R2、R3及びR4は、各々独立して、水素原子、分岐を有してもよい炭素原子数1~8のアルキル基、置換されていてもよい炭素原子数6~12のアリール基又は炭素原子数7~12のアラルキル基を表す)で表されるリン系酸化防止剤は、成形加工時の着色防止効果が特に優れるので好ましい。
チオエーテル系酸化防止剤の使用量は、好ましくは、前記(A)ポリエステル樹脂と(B1)末端修飾ポリエチレンテレフタレートまたは(B2)末端修飾ポリブチレンテレフタレートから一般式(1)で表される基を除いた残部との合計100質量部に対して、0.01~0.3質量部である。
上記紫外線吸収剤の使用量は、前記(A)ポリエステル樹脂と(B1)末端修飾ポリエチレンテレフタレートまたは(B2)末端修飾ポリブチレンテレフタレートから一般式(1)で表される基を除いた残部との合計100質量部に対して、0.001~5質量部、より好ましくは0.005~0.5質量部である。
上記ヒンダードアミン系光安定剤の使用量は、前記(A)ポリエステル樹脂と(B1)末端修飾ポリエチレンテレフタレートまたは(B2)末端修飾ポリブチレンテレフタレートから一般式(1)で表される基を除いた残部との合計100質量部に対して、0.001~5質量部、より好ましくは0.005~0.5質量部である。
上記その他の結晶核剤の使用量は、前記(A)ポリエステル樹脂と(B1)末端修飾ポリエチレンテレフタレートまたは(B2)末端修飾ポリブチレンテレフタレートから一般式(1)で表される基を除いた残部との合計100質量部に対して、本発明で用いられる結晶核剤との合計量が、0.001~1質量部となるように用いられる。
上記難燃剤の使用量は、前記(A)ポリエステル樹脂と(B1)末端修飾ポリエチレンテレフタレートまたは(B2)末端修飾ポリブチレンテレフタレートから一般式(1)で表される基を除いた残部との合計100質量部に対して、1~70質量部、より好ましくは、10~30質量部である。
上記滑剤の添加量は、前記(A)ポリエステル樹脂と(B1)末端修飾ポリエチレンテレフタレートまたは(B2)末端修飾ポリブチレンテレフタレートから一般式(1)で表される基を除いた残部との合計100質量部に対し、0.03~2質量部、より好ましくは0.04~1質量部の範囲である。0.03質量部未満では、所望の滑性が得られない場合があり、2質量部を超えると滑剤成分が成形品表面にブリードしたり、物性低下の原因となる場合がある。
離型剤の添加量は、前記(A)ポリエステル樹脂と(B1)末端修飾ポリエチレンテレフタレートまたは(B2)末端修飾ポリブチレンテレフタレートから一般式(1)で表される基を除いた残部との合計100質量部に対し、0.1~1質量部が好ましい。
後者の射出ブロー成形法としては、プリフォーム成形後に連続してブロー成形を行うホットパリソン法(1ステージ法)や、いったんプリフォームを冷却し取り出してから再度加熱してブロー成形を行うコールドパリソン法(2ステージ法)のいずれの方法も採用できる。
また、プラスチックボトルの外側表面をポリエチレン・ポリプロピレンなどのフィルムや、セラミック・シリカ等を貼り合わせたラミネートフィルムをコーティングしたボトル容器や、ボトルの内側を金属酸化物、アモルファスカーボン等で蒸着したボトル容器に利用することができる。
3時間140℃で減圧乾燥させたポリエチレンテレフタレート樹脂(TR-8550;帝人化成(株)製)100質量部に対し、下記表1記載の試験化合物を0.3質量部混合後、単軸押出機(ラボプラストミルミュー;株式会社東洋精機製作所製)を用いて、270℃のシリンダ温度及び150rpmのスクリュー速度で溶融混練して、ペレットAを得た。得られたペレットAは140℃で3時間乾燥させたものを下記の実施例、比較例に用いた。
上記製造例1において、試験化合物の配合量を0.3質量部から3質量部に変更した以外は製造例1と同様に製造してペレットBを得た。
ポリエチレンテレフタレート(帝人化成株式会社製 TR-8550)に対し、製造例1で得られたペレットA、又は、製造例2で得られたペレットBを配合した。ペレットは、ポリエチレンテレフタレートおよびペレットAまたはBとの合計100質量部に対して、ペレットAまたはBが6.67質量部となるように配合した。ペレットを配合したポリエチレンテレフタレートを混合し、二軸押出機(装置:株式会社日本製鋼所製 TEX28V,シリンダ温度:270℃,スクリュー速度:200rpm)で造粒して、ペレットを得た。但し、下記比較例1-1及び比較例1-2においては、ペレットA及びペレットBを添加せずに二軸押出機で造粒してペレットを得た。
尚、下記実施例1-2及び比較例1-2で実施したアニール処理とは、得られた延伸シートに対して、180℃に加熱された平板状のヒーターを延伸シートの上面から10mmの高さ、及び底面から20mmの高さに設置して、1分間静置したものである。
JIS K7105に準拠し、分光測色計(SC-P;スガ試験機株式会社製)にて、試験片の黄色度(Y.I.)を測定した。
JIS K7361、-K7136、ISO-13468、-14782に準拠し、ヘーズメーター(ヘイズ・ガードII;株式会社東洋精機製作所製)にて、Haze[%]及びClarity[%]を測定した。
JIS K7127-1999、ISO527-3に準拠し、引張試験機(ストログラフAPII;株式会社東洋精機製作所製)にて、引張試験を行い、降伏点強度[MPa]及び引張弾性率[GPa]を測定した。
2)アニール処理:180℃ 1分間
試験化合物 a:1,2-ベンズイソチアゾール-3(2H)-オン1,1-ジオキシドナトリウム塩
b:モンタン酸ナトリウム塩(Clariant社製品名;リコモントNaV101)
c:カルボン酸ナトリウム塩
あらかじめポリエチレンテレフタレート100質量部に対し、1,2-ベンズイソチアゾール-3(2H)-オン1,1-ジオキシドナトリウム塩1質量部を混合して、二軸押出機(装置:株式会社日本製鋼所製 TEX28V、シリンダ温度270℃、スクリュー速度200rpm)にて造粒して得られたペレット10gを、ドライアイスで冷凍させて粉砕し、95%エタノール水溶液100mlで24時間還流させて、ペレットに含まれた添加剤成分をエタノール水溶液に抽出させ、イオンクロマトグラフィー(DIONEX社製DX320)にて定量したが、1,2-ベンズイソチアゾール-3(2H)-オン,1-1-ジオキシドナトリウム塩は全く検出されなかった。分析条件は、下記の条件で行った。
カラム:Ionpac AS19、溶離液:水酸化カリウム、サプレッサ;ASRS 4mm、電流150mA、温度35℃。
図6より、N-エチルアルコール-1,2-ベンズイソチアゾール-3(2H)-オン1,1-ジオキシドの化合物のX線光電子分光スペクトルを比較すると、図6は図2~図4とピーク位置が一致しており、図2~図4のX線光電子分光スペクトルは、1,2-ベンズイソチアゾール-3(2H)-オン1,1-ジオキシドナトリウム塩がポリエステル樹脂にバウンド化していることを示す結果が得られた。
ポリブチレンテレフタレート(ウィンテック株式会社製 商品名:ジュラネックス2002)100質量部に対し、下記表2に記載の添加剤を添加・混合後、4時間150℃で乾燥し、二軸押出機(TEX28V;株式会社日本製鋼所製)により、260℃のシリンダ温度及び200rpmのスクリュー速度で溶融混練して、ペレットを得た。得られたペレットを50℃のギヤーオーブンで半日乾燥した後、射出成形機(EC100;株式会社東芝製)を用いて、JIS K7139-2007,ISO-3167-2002に規定されているA型試験片(厚み4mm)を成形(成形条件:射出温度250℃、金型温度50℃)した。
得られたA型試験片を用いて、下記に示す評価を実施した。
JIS K7105-1981に準拠し、A型試験の両端のつかみ部分の光沢度(60°)を測定した。
JIS K7111-1-2006,ISO179-1-2000に準拠し、A型試験片の両端のつかみ部分を切り取り、長さ80mm、幅10mm、厚み4mmの試験片として、シャルピー衝撃試験機(DG-CB;株式会社東洋精機製作所製)を用いて、シャルピーエッジワイズ衝撃試験を行い、衝撃強度を測定した。これらの結果について、下記表2及び表3に示す。
JIS K7121-1987に準拠し、得られたペレットを示差走査熱量測定機(ダイアモンド;パーキンエルマー社製)にて、窒素雰囲気下、5℃から10℃/minの速度で260℃まで昇温し、10分間保持後、-10℃/minで100℃まで冷却して得られたDSC曲線から、結晶化ピーク温度(結晶化温度)及びピーク面積(ΔHc;結晶化エンタルピー)を求めた。これらの結果について下記表2及び表3にそれぞれ示す。
尚、ΔHcは、成形品の成形性に大きく影響する因子であり、ΔHcが大であるほど、成形性が良好に得られる。
JIS K7191-2-2007,ISO75-2-2004に準拠し、A型試験片の両端のつかみ部分を切り取り、長さ80mm、幅10mm、厚み4mmの試験片を作製し、HDT試験装置(株式会社東洋精機製作所製 Heat Deformation Tester 3M-2)を用いて、フラットワイズで荷重1.80MPaの条件で測定した。これらの結果について下記表2及び表3にそれぞれ示す。
JIS K7171-1994,ISO178-1993に準拠し、A型試験片の両端のつかみ部分を切り取り、長さ80mm、幅10mm、厚み4mmの試験片を作製し、曲げ試験機(株式会社島津製作所製)を用いて曲げ強度を測定した。これらの結果について下記表2及び表3にそれぞれ示す。
※2:1,2-ベンズイソチアゾール-3(2H)-オン1,1-ジオキシドナトリウム塩
※3:クラリアント社製 Licomont NaV 101(主成分はモンタン酸カルシウム塩)
※4:メチレンビス(2,4-ジ-t-ブチルフェニル)ホスフェートナトリウム塩
Claims (8)
- 前記(A)ポリエステル樹脂と、前記(B1)末端修飾ポリエチレンテレフタレートから前記一般式(1)で表される基を除いた残部との合計100質量部に対して、前記一般式(1)で表される基の含有量が0.001~1質量部である請求項1記載のポリエステル樹脂組成物。
- 前記(A)ポリエステル樹脂と、前記(B2)末端修飾ポリブチレンテレフタレートから前記一般式(1)で表される基を除いた残部との合計100質量部に対して、前記一般式(1)で表される基の含有量が0.001~5質量部である請求項3記載のポリエステル樹脂組成物。
- 前記(A)ポリエステル樹脂が、ポリエチレンテレフタレート、ポリブチレンテレフタレート、ポリトリメチレンテレフタレート、ポリエチレンナフタレート及びポリブチレンナフタレートからなる群から選ばれる1種以上のポリエステル樹脂である請求項1または3記載のポリエステル樹脂組成物。
- 前記カルボン酸金属塩が、カルボン酸ナトリウム塩である請求項1または3記載のポリエステル樹脂組成物。
- 請求項1~6のいずれか一項記載のポリエステル樹脂組成物を成形して得られることを特徴とする成形体。
- 請求項1又は2に記載のポリエステル樹脂組成物をシート成形してなるシートであって、アニール処理をされていないことを特徴とするシート。
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| CN2011800580834A CN103237844A (zh) | 2010-12-02 | 2011-11-28 | 聚酯树脂组合物及其成型体 |
| US13/990,895 US20130253145A1 (en) | 2010-12-02 | 2011-11-28 | Polyester resin composition and molded body of same |
| KR1020137016982A KR20130141629A (ko) | 2010-12-02 | 2011-11-28 | 폴리에스테르 수지 조성물 및 그 성형체 |
| EP11845701.9A EP2647668B1 (en) | 2010-12-02 | 2011-11-28 | Polyester resin composition and molded body of same |
| BR112013013543-3A BR112013013543B1 (pt) | 2010-12-02 | 2011-11-28 | Composição de resina de poliéster e corpo moldado da mesma |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2011/077422 Ceased WO2012073904A1 (ja) | 2010-12-02 | 2011-11-28 | ポリエステル樹脂組成物及びその成形体 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20130253145A1 (ja) |
| EP (1) | EP2647668B1 (ja) |
| KR (1) | KR20130141629A (ja) |
| CN (1) | CN103237844A (ja) |
| BR (1) | BR112013013543B1 (ja) |
| TW (1) | TW201241040A (ja) |
| WO (1) | WO2012073904A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014185484A1 (ja) * | 2013-05-17 | 2014-11-20 | 株式会社Adeka | 成形品、これを用いた絶縁材料、およびポリエステル樹脂組成物の電気絶縁性の改善方法 |
| US20170002195A1 (en) * | 2014-03-10 | 2017-01-05 | Sabic Global Technologies B.V. | Flame retardant polyalkylene terephthalate composition |
| WO2025100132A1 (ja) * | 2023-11-10 | 2025-05-15 | ポリプラスチックス株式会社 | ポリエステル樹脂組成物、及び樹脂成形品 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014077324A1 (ja) * | 2012-11-16 | 2014-05-22 | 日産化学工業株式会社 | ポリグリコール酸樹脂組成物 |
| WO2017110917A1 (ja) | 2015-12-25 | 2017-06-29 | 東洋紡株式会社 | ポリエステル樹脂組成物、これを含む光反射体用部品および光反射体、ならびにポリエステル樹脂組成物の製造方法 |
| CA3014262A1 (en) * | 2016-02-19 | 2017-08-24 | Basf Se | Kaolin for mechanical reinforcement of polymeric laser sinter powder |
| CN110234706B (zh) | 2017-02-02 | 2022-01-11 | 东洋纺株式会社 | 聚酯树脂组合物、含该聚酯树脂组合物的光反射体用部件和光反射体 |
| WO2018143100A1 (ja) | 2017-02-02 | 2018-08-09 | 東洋紡株式会社 | ポリエステル樹脂組成物、これを含む光反射体用部品および光反射体 |
| JP7228142B2 (ja) * | 2017-07-28 | 2023-02-24 | トーレプラスチックス アメリカ,インク. | 缶詰meat製品のリリース用シリコーンを組み込んだポリエステルフィルム |
| US11795298B2 (en) | 2018-03-26 | 2023-10-24 | Toyobo Mc Corporation | Polyester resin composition, light-reflector component containing same, and light reflector |
| CN119264617B (zh) * | 2024-12-11 | 2025-02-18 | 山东圣和薄膜新材料有限公司 | 一种不易脆性断裂的强韧性聚酯热收缩膜及其制备方法 |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60210636A (ja) * | 1984-04-04 | 1985-10-23 | Mitsui Petrochem Ind Ltd | ポリマ−用造核剤 |
| JPH02187451A (ja) * | 1988-11-09 | 1990-07-23 | Nippon G Ii Plast Kk | 成形用熱可塑性ポリエステル組成物 |
| JPH02248460A (ja) * | 1989-03-23 | 1990-10-04 | Mitsubishi Rayon Co Ltd | 高結晶性ポリエステル樹脂組成物 |
| JPH03273050A (ja) * | 1990-03-22 | 1991-12-04 | Toyobo Co Ltd | ポリエステル組成物 |
| JPH05214222A (ja) | 1991-10-31 | 1993-08-24 | Polymer Composites Inc | 長繊維入り有核ポリアルキレンテレフタレート組成物 |
| JPH07133412A (ja) | 1993-11-09 | 1995-05-23 | Kuraray Co Ltd | 難燃性ポリブチレンテレフタレート系樹脂組成物およびその製造方法 |
| JPH08183114A (ja) | 1994-12-28 | 1996-07-16 | Polyplastics Co | ポリブチレンテレフタレート樹脂製成形品 |
| JPH09188805A (ja) | 1996-01-10 | 1997-07-22 | Kanebo Ltd | 樹脂組成物及びその押出成形品 |
| JP2001200148A (ja) | 1999-10-15 | 2001-07-24 | Matsushita Electric Works Ltd | 食器類用ポリエステル成形材料及び食器類 |
| JP2007327028A (ja) | 2006-05-09 | 2007-12-20 | Adeka Corp | スルホンアミド化合物の金属塩を含有するポリエステル樹脂組成物 |
| WO2008038465A1 (en) | 2006-09-28 | 2008-04-03 | Adeka Corporation | Polyester resin composition |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2051823A (en) * | 1979-06-19 | 1981-01-21 | Ici Ltd | Polyethyleneterephthalates |
| JPH09157437A (ja) * | 1995-12-06 | 1997-06-17 | Mitsui Petrochem Ind Ltd | 結晶性熱可塑性樹脂用マスターバッチ組成物 |
| EP2484725B1 (en) * | 2009-09-30 | 2017-07-19 | Adeka Corporation | Polyester resin composition, polyester fiber, polyester resin molded article, and process for production of nucleating agent for polyester resin |
-
2011
- 2011-11-28 WO PCT/JP2011/077422 patent/WO2012073904A1/ja not_active Ceased
- 2011-11-28 BR BR112013013543-3A patent/BR112013013543B1/pt not_active IP Right Cessation
- 2011-11-28 CN CN2011800580834A patent/CN103237844A/zh active Pending
- 2011-11-28 EP EP11845701.9A patent/EP2647668B1/en not_active Not-in-force
- 2011-11-28 US US13/990,895 patent/US20130253145A1/en not_active Abandoned
- 2011-11-28 KR KR1020137016982A patent/KR20130141629A/ko not_active Withdrawn
- 2011-12-02 TW TW100144402A patent/TW201241040A/zh unknown
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60210636A (ja) * | 1984-04-04 | 1985-10-23 | Mitsui Petrochem Ind Ltd | ポリマ−用造核剤 |
| JPH02187451A (ja) * | 1988-11-09 | 1990-07-23 | Nippon G Ii Plast Kk | 成形用熱可塑性ポリエステル組成物 |
| JPH02248460A (ja) * | 1989-03-23 | 1990-10-04 | Mitsubishi Rayon Co Ltd | 高結晶性ポリエステル樹脂組成物 |
| JPH03273050A (ja) * | 1990-03-22 | 1991-12-04 | Toyobo Co Ltd | ポリエステル組成物 |
| JPH05214222A (ja) | 1991-10-31 | 1993-08-24 | Polymer Composites Inc | 長繊維入り有核ポリアルキレンテレフタレート組成物 |
| JPH07133412A (ja) | 1993-11-09 | 1995-05-23 | Kuraray Co Ltd | 難燃性ポリブチレンテレフタレート系樹脂組成物およびその製造方法 |
| JPH08183114A (ja) | 1994-12-28 | 1996-07-16 | Polyplastics Co | ポリブチレンテレフタレート樹脂製成形品 |
| JPH09188805A (ja) | 1996-01-10 | 1997-07-22 | Kanebo Ltd | 樹脂組成物及びその押出成形品 |
| JP2001200148A (ja) | 1999-10-15 | 2001-07-24 | Matsushita Electric Works Ltd | 食器類用ポリエステル成形材料及び食器類 |
| JP2007327028A (ja) | 2006-05-09 | 2007-12-20 | Adeka Corp | スルホンアミド化合物の金属塩を含有するポリエステル樹脂組成物 |
| WO2008038465A1 (en) | 2006-09-28 | 2008-04-03 | Adeka Corporation | Polyester resin composition |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014185484A1 (ja) * | 2013-05-17 | 2014-11-20 | 株式会社Adeka | 成形品、これを用いた絶縁材料、およびポリエステル樹脂組成物の電気絶縁性の改善方法 |
| EP2998359A4 (en) * | 2013-05-17 | 2016-12-28 | Adeka Corp | FORM BODY, INSULATION MATERIAL THEREFOR AND METHOD FOR IMPROVING THE ELECTRO-INSULATING PROPERTIES OF A POLYESTER RESIN COMPOSITION |
| JPWO2014185484A1 (ja) * | 2013-05-17 | 2017-02-23 | 株式会社Adeka | 成形品、これを用いた絶縁材料、およびポリエステル樹脂組成物の電気絶縁性の改善方法 |
| RU2663431C2 (ru) * | 2013-05-17 | 2018-08-06 | Адэка Корпорейшн | Формованное изделие, изоляционный материал с его использованием и способ улучшения электроизоляционных свойств композиции полиэфирной смолы |
| US20170002195A1 (en) * | 2014-03-10 | 2017-01-05 | Sabic Global Technologies B.V. | Flame retardant polyalkylene terephthalate composition |
| WO2025100132A1 (ja) * | 2023-11-10 | 2025-05-15 | ポリプラスチックス株式会社 | ポリエステル樹脂組成物、及び樹脂成形品 |
| JP2025079426A (ja) * | 2023-11-10 | 2025-05-22 | ポリプラスチックス株式会社 | ポリエステル樹脂組成物、及び樹脂成形品 |
| JP7747711B2 (ja) | 2023-11-10 | 2025-10-01 | ポリプラスチックス株式会社 | ポリエステル樹脂組成物、及び樹脂成形品 |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112013013543A2 (pt) | 2016-10-11 |
| CN103237844A (zh) | 2013-08-07 |
| KR20130141629A (ko) | 2013-12-26 |
| EP2647668A4 (en) | 2016-10-12 |
| EP2647668B1 (en) | 2019-08-14 |
| US20130253145A1 (en) | 2013-09-26 |
| BR112013013543B1 (pt) | 2020-02-11 |
| EP2647668A1 (en) | 2013-10-09 |
| TW201241040A (en) | 2012-10-16 |
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