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WO2024049090A1 - Composition de résine thermoplastique et produit moulé fabriqué à partir de celle-ci - Google Patents

Composition de résine thermoplastique et produit moulé fabriqué à partir de celle-ci Download PDF

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Publication number
WO2024049090A1
WO2024049090A1 PCT/KR2023/012481 KR2023012481W WO2024049090A1 WO 2024049090 A1 WO2024049090 A1 WO 2024049090A1 KR 2023012481 W KR2023012481 W KR 2023012481W WO 2024049090 A1 WO2024049090 A1 WO 2024049090A1
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WO
WIPO (PCT)
Prior art keywords
weight
copolymer
resin composition
thermoplastic resin
methylstyrene
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2023/012481
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English (en)
Korean (ko)
Inventor
김인철
신형섭
추동휘
김정욱
박지은
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lotte Chemical Corp
Original Assignee
Lotte Chemical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lotte Chemical Corp filed Critical Lotte Chemical Corp
Publication of WO2024049090A1 publication Critical patent/WO2024049090A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/08—Copolymers of styrene
    • C08L25/12—Copolymers of styrene with unsaturated nitriles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/16—Homopolymers or copolymers of alkyl-substituted styrenes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/10—Homopolymers or copolymers of methacrylic acid esters
    • C08L33/12—Homopolymers or copolymers of methyl methacrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/04—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers

Definitions

  • the present invention relates to thermoplastic resin compositions and molded articles manufactured therefrom.
  • thermoplastic resins which have recently been widely used in electrical and electronics, automobiles, building materials, and leisure goods, are rapidly replacing existing glass and metal. Accordingly, the demand for thermoplastic resins that can achieve excellent impact resistance, weather resistance, molding processability, and high-quality appearance is increasing.
  • ABS resin Acrylonitrile-butadiene-styrene copolymer resin
  • ABS resin which is widely used as a thermoplastic resin, contains chemically unstable double bonds in the rubber component, so the rubber component can be easily aged by ultraviolet rays. Accordingly, ABS resin has poor weather resistance and light resistance, and therefore, when left outdoors for a long time, discoloration and physical properties deteriorate significantly over time, making it unsuitable for outdoor applications exposed to sunlight.
  • ASA resin acrylonitrile-styrene-acrylate copolymer resin
  • ASA resin uses a chemically stable acrylic rubber polymer instead of butadiene rubber polymer as a rubber component, so it is less prone to aging of the rubber component due to UV rays of ABS resin. It is known as an alternative that can solve the problems of discoloration and deterioration of physical properties.
  • ASA resin has the advantage of excellent weather resistance and light resistance, as well as moldability, chemical resistance, and thermal stability.
  • ASA resin polymethyl methacrylate resin
  • ASA/PMMA alloy resin lacks impact resistance and heat resistance compared to ASA resin, and has problems such as bending of large parts and parts exposed to visible light. Accordingly, there are attempts to supplement heat resistance by blending unpainted thermoplastic resin with a polymer with excellent heat resistance (for example, alpha-methylstyrene-based copolymer), but in this case, the continuous phase (matrix) and the dispersed phase are used. Due to the difference in refractive index between domains, the transparency and coloring of the molded product decreases, and the appearance characteristics also deteriorate.
  • a polymer with excellent heat resistance for example, alpha-methylstyrene-based copolymer
  • thermoplastic resin compositions that have excellent heat resistance, coloring, impact resistance, and appearance properties.
  • thermoplastic resin composition having excellent heat resistance, colorability, impact resistance, and appearance properties, and a molded article manufactured therefrom.
  • the (A) acrylic rubber-modified graft copolymer has a core containing an acrylic rubber polymer, and at least one selected from a (meth)acrylate-based compound, an aromatic vinyl compound, and a vinyl cyanide compound is graft-polymerized to the core. It may include a formed shell.
  • the average particle diameter of the acrylic rubber polymer may be 100 to 500 nm.
  • the (A) acrylic rubber-modified graft copolymer may include a butyl acrylate-styrene crosslinked copolymer core and a shell formed by grafting a styrene-acrylonitrile copolymer to the core.
  • the (B) polymethyl methacrylate resin containing 5% by weight or more of a methyl acrylate-derived component may contain 5 to 10% by weight of a methyl acrylate-derived component.
  • the (C) alpha-methylstyrene-based copolymer may be a copolymer of a monomer mixture containing 50 to 60% by weight of alpha-methylstyrene, 15 to 35% by weight of a vinyl cyanide compound, and 15 to 35% by weight of an aromatic vinyl compound. there is.
  • the aromatic vinyl compound is styrene substituted or unsubstituted with halogen or C1 to C10 alkyl groups (but does not include alpha-methylstyrene), and combinations thereof.
  • the vinyl cyanide compound may be selected from the group consisting of acrylonitrile, methacrylonitrile, fumaronitrile, and combinations thereof.
  • the (C) alpha-methylstyrene-based copolymer may be an alpha-methylstyrene-styrene-acrylonitrile copolymer.
  • the (D) aromatic vinyl-vinyl cyanide copolymer having a weight average molecular weight of 5,000,000 g/mol or more may be a styrene-acrylonitrile copolymer having a weight average molecular weight of 5,000,000 g/mol or more.
  • the thermoplastic resin composition may further include at least one additive selected from flame retardants, nucleating agents, coupling agents, fillers, plasticizers, impact modifiers, lubricants, mold release agents, heat stabilizers, antioxidants, ultraviolet stabilizers, pigments, and dyes.
  • at least one additive selected from flame retardants, nucleating agents, coupling agents, fillers, plasticizers, impact modifiers, lubricants, mold release agents, heat stabilizers, antioxidants, ultraviolet stabilizers, pigments, and dyes.
  • thermoplastic resin composition a molded article manufactured from the thermoplastic resin composition.
  • the molded product may have a notched Izod impact strength of 8 kgf ⁇ cm/cm or more as measured on a 1/8 inch thick specimen according to the ASTM D256 standard.
  • the molded product may have a Vicat softening temperature (VST) of 100°C or more, measured under B50 conditions according to the ISO 306 standard.
  • VST Vicat softening temperature
  • thermoplastic resin composition with excellent heat resistance, colorability, impact resistance, and appearance properties, and a molded article manufactured therefrom can be provided.
  • copolymer means block copolymerization, random copolymerization, and graft copolymerization
  • copolymer means block copolymer, random copolymer, and graft copolymer.
  • the average particle diameter of the rubbery polymer refers to the volume average diameter and the Z-average particle diameter measured using dynamic light scattering analysis equipment.
  • the weight average molecular weight is measured using Agilent Technologies' 1200 series Gel Permeation Chromatography (GPC) after dissolving the powder sample in an appropriate solvent (the standard sample is Shodex polystyrene). used).
  • GPC Gel Permeation Chromatography
  • the thermoplastic resin composition includes (A) 20 to 40% by weight of an acrylic rubber-modified graft copolymer; (B) 30 to 50% by weight of polymethyl methacrylate (PMMA) resin containing 5% by weight or more of a methyl acrylate-derived component; and (C) 1 to 3 parts by weight of an aromatic vinyl-cyanide copolymer with a weight average molecular weight of 5,000,000 g/mol or more, based on 100 parts by weight of the base resin containing 20 to 40% by weight of an alpha-methylstyrene-based copolymer. wealth; and (E) 1 to 3 parts by weight of methyl methacrylate-butyl acrylate block copolymer (MMA-b-BA).
  • PMMA polymethyl methacrylate
  • MMA-b-BA methyl methacrylate block copolymer
  • the thermoplastic resin composition includes (A) an acrylic rubber-modified graft copolymer.
  • the (A) acrylic rubber-modified graft copolymer functions to reinforce various physical properties of the thermoplastic resin composition, such as impact resistance, mechanical properties, and appearance properties.
  • the (A) acrylic rubber-modified graft copolymer includes a core containing an acrylic rubber polymer, and at least one selected from a (meth)acrylate-based compound, an aromatic vinyl compound, and a vinyl cyanide compound. It may include a shell formed by graft polymerization.
  • the (A) acrylic rubber-modified graft copolymer can be produced according to any production method known to those skilled in the art.
  • an acrylic rubbery polymer is manufactured, and at least one type selected from a (meth)acrylate compound, an aromatic vinyl compound, and a vinyl cyanide compound is added to a core formed of one or more layers of the acrylic rubbery polymer. It can be produced by graft polymerization to form one or more layers of shell.
  • the acrylic rubbery polymer may be a crosslinked polymer manufactured using an acrylic compound as a main monomer.
  • the acrylic compound may be, for example, ethyl acrylate, butyl acrylate, 2-ethyl hexyl acrylate, hexyl acrylate, or a combination thereof.
  • the acrylic monomer may be copolymerized with one or more other monomers capable of radical polymerization.
  • the amount of the one or more radically polymerizable other monomers may be 5 to 30% by weight, for example, 10 to 20% by weight, based on the total weight of the acrylic rubbery polymer.
  • the average particle diameter of the acrylic rubbery polymer may be 100 to 500 nm, for example, 100 to 400 nm, for example, 100 to 300 nm, but is not limited to these ranges.
  • the thermoplastic resin composition may have excellent impact resistance, mechanical properties, and coloring properties.
  • the (meth)acrylate-based compound included in the shell is methacrylate, acrylate, methyl methacrylate, methyl acrylate, ethyl methacrylate, ethyl acrylate, propyl methacrylate, and propyl acrylate. It may be one or more types selected from latex, butyl methacrylate, and butyl acrylate, but is not limited thereto.
  • the aromatic vinyl compound included in the shell may be one or more selected from styrene, ⁇ -methylstyrene, p-methylstyrene, p-t-butylstyrene, 2,4-dimethylstyrene, chlorostyrene, vinyltoluene, and vinylnaphthalene. , but is not limited to this.
  • the vinyl cyanide compound included in the shell may be one or more selected from acrylonitrile, methacrylonitrile, and fumaronitrile, but is not limited thereto.
  • the shell when a monomer mixture including the aromatic vinyl compound and the vinyl cyanide compound is graft polymerized to the core including the acrylic rubber polymer to form a shell, the shell includes the aromatic vinyl compound and the vinyl cyanide compound. It may be a copolymer of a monomer mixture included in a weight ratio of 1:1 to 4:1, for example, 1:1 to 3:1.
  • the (A) acrylic rubber-modified graft copolymer may include a butyl acrylate-styrene crosslinked copolymer core and a shell formed by grafting styrene-acrylonitrile copolymer (SAN) to the core.
  • SAN styrene-acrylonitrile copolymer
  • the (A) acrylic rubber-modified graft copolymer may be included in an amount of 20 to 40% by weight, for example, 20 to 30% by weight, for example, 30 to 40% by weight, based on 100% by weight of the base resin. there is. Within the above weight % range, the thermoplastic resin composition may have excellent impact resistance, mechanical properties, and coloring properties.
  • the thermoplastic resin composition includes (B) a polymethyl methacrylate (PMMA) resin containing 5% by weight or more of a methyl acrylate-derived component, and can impart excellent coloring and appearance characteristics to the thermoplastic resin composition. there is.
  • PMMA polymethyl methacrylate
  • the (B) polymethyl methacrylate resin containing 5% by weight or more of the methyl acrylate-derived component is obtained by preparing a monomer mixture containing methyl methacrylate and methyl acrylate using suspension polymerization, bulk polymerization, emulsion polymerization, etc. It can be obtained by polymerization using a known polymerization method.
  • thermoplastic resin composition of the present invention can ensure excellent compatibility by comprising a polymethyl methacrylate resin containing 5% by weight or more of the (B) methyl acrylate-derived component, and the methyl acrylate-derived component is specifically It may be included in 5 to 10% by weight. In the above weight range, compatibility between components included in the thermoplastic resin composition may be more excellent, and thus the coloring and appearance characteristics of the thermoplastic resin composition may be more excellent.
  • the (B) polymethyl methacrylate resin containing 5% by weight or more of the methyl acrylate-derived component may have a glass transition temperature of 100 to 150°C, for example, 110 to 130°C.
  • the weight average molecular weight of the (B) polymethyl methacrylate resin containing 5% by weight or more of the methyl acrylate-derived component may be 50,000 to 200,000 g/mol, for example, 50,000 to 100,000 g/mol.
  • the thermoplastic resin composition can exhibit excellent processability and compatibility.
  • the (B) polymethyl methacrylate resin containing 5% by weight or more of the methyl acrylate-derived component is 30 to 50% by weight, for example, 30 to 40% by weight, for example, 40 to 40% by weight, based on 100% by weight of the base resin. It may be included at 50% by weight. Within the above weight percent range, the coloring and appearance characteristics of the thermoplastic resin composition may be excellent.
  • thermoplastic resin composition may include (C) an alpha-methylstyrene-based copolymer, which may provide excellent heat resistance to the thermoplastic resin composition.
  • the (C) alpha-methylstyrene-based copolymer can be prepared using conventional manufacturing methods, such as emulsion polymerization, suspension polymerization, solution polymerization, and bulk polymerization.
  • the (C) alpha-methylstyrene-based copolymer is a monomer mixture containing 50 to 60% by weight of alpha-methylstyrene, 15 to 35% by weight of a vinyl cyanide compound, and 15 to 35% by weight of an aromatic vinyl compound. It may be a copolymer. Within the above weight range, the thermoplastic resin composition may have excellent compatibility and heat resistance.
  • the aromatic vinyl compound is styrene substituted or unsubstituted with halogen or C1 to C10 alkyl groups (but does not include alpha-methylstyrene), and combinations thereof.
  • the vinyl cyanide compound may be selected from the group consisting of acrylonitrile, methacrylonitrile, fumaronitrile, and combinations thereof.
  • the (C) alpha-methylstyrene-based copolymer may be an alpha-methylstyrene-styrene-acrylonitrile copolymer.
  • the weight average molecular weight of the (C) alpha-methylstyrene-based copolymer may be 50,000 to 300,000 g/mol, for example, 100,000 to 200,000 g/mol, and when the above range is satisfied, the thermoplastic resin composition containing it has excellent properties. It can exhibit impact resistance and fluidity.
  • the (C) alpha-methylstyrene-based copolymer may be included in an amount of 20 to 40% by weight, for example, 20 to 30% by weight, for example, 30 to 40% by weight, based on 100% by weight of the base resin. Within the above weight range, the heat resistance and appearance characteristics of the thermoplastic resin composition may be excellent.
  • (D) Aromatic vinyl-vinyl cyanide copolymer having a weight average molecular weight of 5,000,000 g/mol or more.
  • an aromatic vinyl compound-cyanide vinyl compound copolymer having a weight average molecular weight of 5,000,000 g/mol or more can improve the appearance characteristics of a thermoplastic resin composition.
  • the weight average molecular weight of the (D) aromatic vinyl compound-cyanated vinyl compound copolymer is 5,000,000 g/mol or more, for example 5,000,000 to 10,000,000 g/mol, for example 5,000,000 to 9,000,000 g/mol, for example 5,000,000 to 8,000,000. g/mol, for example 5,000,000 to 7,000,000 g/mol.
  • the (D) aromatic vinyl compound-cyanide vinyl compound copolymer having a weight average molecular weight of 5,000,000 g/mol or more may be a styrene-acrylonitrile copolymer having a weight average molecular weight of 5,000,000 g/mol or more.
  • the aromatic vinyl compound-cyanide vinyl compound copolymer having a weight average molecular weight of 5,000,000 g/mol or more may be included in an amount of 1 to 3 parts by weight, for example, 2 to 3 parts by weight, based on 100 parts by weight of the base resin. You can. Within the above weight parts range, the occurrence of flow marks in the thermoplastic resin composition and molded products manufactured therefrom may be suppressed, thereby providing excellent appearance characteristics.
  • thermoplastic resin composition includes (E) methyl methacrylate-butyl acrylate block copolymer (MMA-b-BA), thereby improving compatibility between each component included in the thermoplastic resin composition. can do.
  • MMA-b-BA methyl methacrylate-butyl acrylate block copolymer
  • the content of the methyl methacrylate-derived component of the (E) methyl methacrylate-butyl acrylate block copolymer may be 10 to 50 wt%, for example, 30 to 50 wt%.
  • the weight average molecular weight of the (E) methyl methacrylate-butyl acrylate block copolymer may be 50,000 to 200,000 g/mol, for example, 80,000 to 150,000 g/mol.
  • Methyl methacrylate-butyl acrylate block copolymer may be included in an amount of 1 to 3 parts by weight, for example, 2 to 3 parts by weight, based on 100 parts by weight of the base resin. Within the above weight part range, compatibility between components included in the thermoplastic resin composition may be more excellent.
  • thermoplastic resin composition in addition to the components (A) to (E), includes 1 component as needed to balance each physical property without deteriorating other physical properties, or depending on the final use of the thermoplastic resin composition. It may contain more than one type of additive.
  • the additive may further include at least one additive selected from flame retardants, nucleating agents, coupling agents, fillers, plasticizers, impact modifiers, lubricants, mold release agents, heat stabilizers, antioxidants, ultraviolet stabilizers, dyes, and pigments. .
  • additives may be appropriately included within a range that does not impair the physical properties of the thermoplastic resin composition, and specifically may be included in an amount of 20 parts by weight or less based on 100 parts by weight of the base resin, but are not limited thereto.
  • thermoplastic resin composition according to one embodiment can also be used by mixing with other resins or other rubber components.
  • thermoplastic resin composition a molded article manufactured using the thermoplastic resin composition according to one embodiment.
  • the molded article can be manufactured using the thermoplastic resin composition by various methods known in the art, such as injection molding and extrusion molding.
  • the molded product has a notched Izod impact strength measured on a 1/8 inch thick specimen according to the ASTM D256 standard of 8 kgf ⁇ cm/cm or more, 9 kgf ⁇ cm/cm or more, and 10 kgf ⁇ cm/ It may be more than cm, or more than 11 kgf ⁇ cm/cm.
  • the molded article may have a Vicat softening temperature (VST) of 100°C or higher, 101°C or higher, 102°C or higher, or 103°C or higher, as measured under B50 conditions according to the ISO 306 standard.
  • VST Vicat softening temperature
  • thermoplastic resin compositions of Examples 1 to 4 and Comparative Examples 1 to 7 were prepared according to the component content ratios shown in Table 1 below.
  • thermoplastic resin composition pelletized through a twin-screw extruder was dried at about 80°C for about 4 hours, and then used a 6 oz injection molding machine set at a cylinder temperature of about 240°C and a mold temperature of about 60°C.
  • a specimen for measuring physical properties was prepared. The measured physical properties are shown in Table 2 below.
  • components (A) to (C) are expressed in weight percent based on the total weight of components (A) to (C), and components (D) and (E) are expressed as weight percent based on the total weight of components (A) to (C). ) is expressed as parts by weight relative to 100 parts by weight of the total weight.
  • a core comprising a butyl acrylate-styrene crosslinked copolymer having an average particle diameter of about 380 nm
  • a polymethyl methacrylate resin with a weight average molecular weight of about 60,000 g/mol and a content of methyl acrylate-derived components of about 5% by weight was used (manufacturer: Asahi Kasei).
  • a polymethyl methacrylate resin with a weight average molecular weight of about 100,000 g/mol and a content of methyl acrylate-derived components of about 2% by weight was used (manufacturer: Lotte MCC).
  • Alpha-methylstyrene-styrene-acrylonitrile with a weight average molecular weight of about 160,000 g/mol which is copolymerized with a monomer mixture containing about 19% by weight of styrene, about 27% by weight of acrylonitrile, and about 54% by weight of alpha-methylstyrene. Copolymer was used. (Manufacturer: Lotte Chemical)
  • alpha-methylstyrene-acrylonitrile copolymer with a weight average molecular weight of about 100,000 g/mol, which is a copolymerization of a monomer mixture containing about 70% by weight of alpha-methylstyrene and about 30% by weight of acrylonitrile, was used. (Manufacturer) : Lotte Chemical)
  • (D) Aromatic vinyl-vinyl cyanide copolymer having a weight average molecular weight of 5,000,000 g/mol or more.
  • a styrene-acrylonitrile copolymer with a weight average molecular weight of approximately 5,500,000 g/mol was used (manufacturer: Zibo Huaxing Additives).
  • a methyl methacrylate-butyl acrylate block copolymer containing about 50% by weight of methyl methacrylate-derived components and about 50% by weight of butyl acrylate-derived components was used. (Manufacturer: Kuraray Co.)
  • VST Vicat softening temperature
  • Example Comparative example One 2 3 4 One 2 3 4 5 6 7 Izod impact strength 10 8 12 9 11 11 7 6 6 7 12 VST 101 102 100 100 105 102 102 102 103 99 103 Brightness (L*) 3.2 2.9 3.4 3.0 4.8 6.8 5.5 5.8 7.1 2.8 4.7 Degree of flow mark occurrence ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ X ⁇ ⁇
  • thermoplastic resin composition containing the components (A) to (E) and the molded article manufactured therefrom are all excellent in impact resistance, heat resistance, colorability, and appearance characteristics.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Une composition de résine thermoplastique est fournie. Sur la base de 100 parties en poids d'une résine de base comprenant (A) de 20 à 40 % en poids d'un copolymère greffé modifié par du caoutchouc acrylique, (B) de 30 à 50 % en poids d'une résine de polyméthacrylate de méthyle contenant 5 % en poids ou plus d'un composant dérivé d'acrylate de méthyle, et (C) de 20 à 40 % en poids d'un copolymère à base d'α-méthylstyrène, la composition comprend (D) de 1 à 3 parties en poids d'un copolymère de vinyle aromatique-cyanure de vinyle ayant un poids moléculaire moyen en poids de 5 000 000 g/mol ou plus, et (E) de 1 à 3 parties en poids d'un copolymère séquencé de méthacrylate de méthyle-acrylate de butyle.
PCT/KR2023/012481 2022-08-31 2023-08-23 Composition de résine thermoplastique et produit moulé fabriqué à partir de celle-ci Ceased WO2024049090A1 (fr)

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KR10-2022-0110296 2022-08-31
KR1020220110296A KR20240030799A (ko) 2022-08-31 2022-08-31 열가소성 수지 조성물 및 이로부터 제조되는 성형품

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090021951A (ko) * 2007-08-29 2009-03-04 주식회사 엘지화학 열가소성 난연수지 조성물
KR20130057795A (ko) * 2011-11-24 2013-06-03 제일모직주식회사 열가소성 수지 조성물 및 이를 이용한 성형품
KR20190082073A (ko) * 2017-12-29 2019-07-09 롯데첨단소재(주) 열가소성 수지 조성물 및 이를 이용한 성형품
KR20190125039A (ko) * 2018-04-27 2019-11-06 롯데첨단소재(주) 열가소성 수지 조성물 및 이를 포함하는 성형품
KR20220001987A (ko) * 2020-06-30 2022-01-06 롯데케미칼 주식회사 열가소성 수지 조성물 및 이를 이용한 성형품

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090021951A (ko) * 2007-08-29 2009-03-04 주식회사 엘지화학 열가소성 난연수지 조성물
KR20130057795A (ko) * 2011-11-24 2013-06-03 제일모직주식회사 열가소성 수지 조성물 및 이를 이용한 성형품
KR20190082073A (ko) * 2017-12-29 2019-07-09 롯데첨단소재(주) 열가소성 수지 조성물 및 이를 이용한 성형품
KR20190125039A (ko) * 2018-04-27 2019-11-06 롯데첨단소재(주) 열가소성 수지 조성물 및 이를 포함하는 성형품
KR20220001987A (ko) * 2020-06-30 2022-01-06 롯데케미칼 주식회사 열가소성 수지 조성물 및 이를 이용한 성형품

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