WO2005092814A1 - チョップドストランドの製造方法 - Google Patents
チョップドストランドの製造方法 Download PDFInfo
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- WO2005092814A1 WO2005092814A1 PCT/JP2005/005434 JP2005005434W WO2005092814A1 WO 2005092814 A1 WO2005092814 A1 WO 2005092814A1 JP 2005005434 W JP2005005434 W JP 2005005434W WO 2005092814 A1 WO2005092814 A1 WO 2005092814A1
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- WIPO (PCT)
- Prior art keywords
- mass
- chopped strand
- copolymer
- parts
- unsaturated
- Prior art date
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Classifications
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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
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
- C08J5/08—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials glass fibres
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/26—Macromolecular compounds or prepolymers
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/26—Macromolecular compounds or prepolymers
- C03C25/28—Macromolecular compounds or prepolymers obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C03C25/285—Acrylic resins
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/26—Macromolecular compounds or prepolymers
- C03C25/32—Macromolecular compounds or prepolymers obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C03C25/326—Polyureas; Polyurethanes
-
- 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
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
Definitions
- the present invention relates to a method for producing a chopped strand having good dispersion of glass fibers in molding material pellets and excellent mold release during molding, and a fiber-reinforced thermoplastic resin such as polyamide resin using the same. Related to molding materials.
- a polyamide resin is used as a matrix resin, and a melt thereof is kneaded with a chopped strand obtained by cutting a reinforcing fiber by an extruder or the like, extruded in a linear shape, and cut into pellets by cutting.
- Fiber polyamide molding compositions are known.
- the chopped strand used as the fiber-reinforced polyamide molding material is used to improve the mechanical strength and water resistance of the obtained fiber-reinforced polyamide molding material, and finally the molded article formed from the molding material. It is necessary to surface-treat the chopped strands with a suitable sizing agent. In this case, selection of a good sizing agent is indispensable, and various sizing agents for that purpose have been conventionally studied.
- Patent Documents a thermoplastic resin obtained by reinforcing a thermoplastic resin with a glass fiber chopped strand surface-treated with a copolymer of maleic anhydride and an unsaturated monomer and a silane coupling agent is disclosed in Patent Documents. It is described in 1.
- Patent Literature 1 discloses that a polyamide resin molding material and a molded product obtained by this method have remarkable improvements in mechanical strength and water resistance.
- Patent Document 1 JP-A-60-44535
- An object of the present invention is to provide a method for producing a chopped strand which is excellent and has excellent mold release properties during molding, and a fiber-reinforced polyamide resin molding material using the same.
- the inventor of the present invention has conducted intensive studies to achieve the above object. As a result, a glass fiber chopped glass fiber bundle composed of glass filaments immediately after spun with a sizing agent having a specific composition has been surface-treated. The inventor found that the strand could achieve the above objectives and reached the present invention.
- the present invention is characterized by the following gist.
- a glass fiber bundle consisting of spun glass filaments is surface-treated with a sizing agent containing 10 to 90 parts by mass of polyurethane resin and 5 to 100 parts by mass of a silane coupling agent.
- the sizing agent further contains an acrylic acid polymer or a copolymer of acrylic acid and one or more monomers, and the polymer is an unsaturated polymer of the maleic anhydride and the unsaturated monomer.
- the content of the maleic anhydride unsaturated copolymer in maleic anhydride and unsaturated monomer is 30- 75 mol 0/0 according to any one of (1) one (4) chopped Strand manufacturing method.
- Unsaturated copolymer of maleic anhydride and unsaturated monomer is soluble in alkaline aqueous medium
- the method for producing a chopped strand according to any one of (1) to (5) above.
- the mechanical strength and water resistance of the molded article are not impaired, the color tone is not deteriorated, the glass fibers are well dispersed in the pellets, and the mold releasability during molding.
- the present invention provides a novel method for producing a glass fiber chopped strand which is excellent and a fiber-reinforced polyamide resin molding material using the same.
- the glass fiber bundle is made of a sizing agent containing an unsaturated copolymer of maleic anhydride and an unsaturated monomer, a polyurethane resin, and a silane coupling agent. Surface treated.
- An unsaturated monomer which forms an unsaturated copolymer by copolymerizing with maleic anhydride is a monomer having two or more unsaturated bonds in the molecule.
- gen compounds such as butadiene, isoprene, chloroprene, and 1,3-pentadiene can be exemplified. Two or more of these monomers may be used in combination. Above all, butadiene having a mechanical strength is preferable.
- ratio of the unsaturated copolymer of maleic anhydride and unsaturated monomer is preferably anhydrous maleic phosphate, 30- 75 mole 0/0, and particularly preferably, suitably 45- 55 mol% It is.
- Such a copolymer having a maleic anhydride content ratio is preferably an alkaline substance (preferably an alcohol). It becomes soluble in an alkaline aqueous medium containing a potassium metal compound, ammonia, and amines.
- Such a copolymer is preferable because it forms a salt in an alkaline aqueous medium and can achieve stability in water.
- the content of maleic anhydride in the unsaturated copolymer is less than 30 mol%, the hydrophilicity of the obtained copolymer decreases.
- the emulsifier can be used to form an emulsion and the surface treatment of the glass fiber bundle can be performed.
- the adhesiveness to the matrix resin decreases, and the mechanical strength of the molded product decreases. It is not preferred.
- the content of maleic anhydride exceeds 75 mol%, no further improvement in the mechanical strength of the molded product is observed, and conversely, more alkaline substances are used as the neutralizing agent, which impairs the water resistance. The result is not preferable.
- the copolymer of maleic anhydride and unsaturated monomer used in the present invention has a number average molecular weight of 5,000 to 100,000, more preferably ⁇ 10,000 to 80,000. It is as follows. If the average molecular weight is less than 5,000, the mechanical strength and water resistance of the molded article decrease.On the other hand, if the average molecular weight exceeds 100,000, the viscosity of the aqueous solution of the copolymer increases, so that the problem of yarn breakage during production may occur. If the dispersibility of the glass fibers in the pellets is lowered, any problems occur, which is not preferable.
- the sizing agent used in the present invention contains polyurethane resin to improve the color tone and the dispersibility of the glass fiber in the pellet without impairing the mechanical strength and water resistance of the molded product. In addition, it is necessary in order to improve mold releasability during injection molding.
- the polyurethane resin a conventionally known one derived from a polymer polyol, an organic diisocyanate, and further, if necessary, a chain extender and a resin or a crosslinking agent can be preferably used.
- the polyurethane resin is preferably used by dispersing it in water as emulsion, disparge, or the like.
- Preferred examples of the above-mentioned polymer polyol include, for example, polyester polyol
- the number average molecular weight of the high molecular polyol is generally 500-6,000, preferably 800-3,000.
- organic diisocyanate examples include 2,4 ′ or 4,4′diphenylmethane diisocyanate (MDI), 2,4 or 2,6-tolylene diisocyanate (T DI), 4,4, dibenzyldiisocyanate, 1.3 or 1,4 phenylenediisocyanate, 1,5 naphthylenediisocyanate, aromatic diisocyanate such as xylylenediisocyanate; ethylene diisoate Aliphatic diisocyanates such as cyanate, hexamethylene diisocyanate (HDI) and lysine diisocyanate; isophorone diisocyanate (IPDI), 4,4, dicyclohexylmethane diisocyanate, etc. Alicyclic diisocyanate; or a mixture of two or more thereof. Of these, MDI, TDI, HDI or IPDI is particularly preferred.
- Examples of the chain extender and Z or cross-linking agent used as necessary include compounds having an active hydrogen having a number average molecular weight of S60-500, such as polyhydric alcohols (ethylene glycol, propylene glycol, 1,3-butylene glycol) , 1,4-butanediol, 1,6-hexanediol, 3-methylpentanediol, diethylene glycol, neopentyl glycol, 1,4-bis (hydroxymethyl) cyclohexane, 1,4-bis (hydroxyethyl) Dihydric alcohols such as benzene and 2,2 bis (4,4'-hydroxycyclohexyl) propane; trihydric alcohols such as glycerin and trimethylolpropane; pentaerythritol, diglycerin, ⁇ -methyldarcoside, sorbitol , Xylit, mannitol, dipentaerythritol, glucose, fructo Polyhydr
- an aliphatic system represented by the above-mentioned hexamethylene diisocyanate or isophorone diisocyanate can be used to reduce the yellowing of the molded article. Preferred over the point.
- any silane coupling agent used for surface treatment of glass fibers can be used.
- Preferred specific examples are ⁇ -aminopropyltriethoxysilane, ⁇ — (aminoethyl) ⁇ -aminopropyltrimethoxysilane, N—j8— (aminoethyl) N, —j8— (aminoethyl) ⁇ — Aminosilanes such as aminopropyltriethoxysilane and ⁇ -arinopropyltrimethoxysilane; 0-glycidoxypropyltrimethoxysilane, j8 (3,4-epoxycyclohexyl) ethyltrimethoxysilane Epoxysilanes such as butyltrimethoxysilane; N- ⁇ - ( ⁇ butylbenzylaminoethyl) -vinylsilanes such as
- silane coupling agent among the above, it is preferable to use monoaminosilane or diaminosilane, and particularly from the viewpoint of color tone, the above-mentioned monoaminosilane is preferable.
- the sizing agent used in the present invention preferably further contains, in addition to the above components, an acrylic acid polymer or a copolymer of acrylic acid and one or more monomers. ,.
- an acrylic acid polymer or a copolymer of acrylic acid and one or more monomers preferably further contains, in addition to the above components, an acrylic acid polymer or a copolymer of acrylic acid and one or more monomers.
- the mechanical strength is improved while suppressing the deterioration of the color tone of the molded product, and particularly, the dispersion of the glass fibers in the molding material is improved, and the releasability from the mold during the production of the molded product is improved. Is improved.
- the monomers used for the production of the copolymer with acrylic acid include ethylene, propylene, isobutylene, styrene, ⁇ -methylstyrene, butyl acetate, butadiene, isoprene, chloroprene, acrylic Acid esters, methacrylic esters and the like are preferably exemplified. Two or more of these monomers may be used in combination. Further, it is preferable to add a fluorescent whitening agent to the sizing agent of the present invention from the viewpoint of improving the color tone of a molded article.
- the optical brightener include benzoxazole, triazole, coumarin, pyrazoline, styryl, and naphthalimide.
- the optical brightener is preferably contained in an amount of 0.001 to 0.1 part by mass based on 100 parts by mass of the glass fiber bundle treated with the sizing agent. If the amount is less than 0.001 part by mass, the effect of improving the color tone of the molded product cannot be exhibited. If it exceeds 0.1 part by mass, it is not economically preferable. In particular, if the processing temperature is high, the molded product becomes dark or red, which is not preferable.
- the contents of the unsaturated copolymer of maleic anhydride and the unsaturated monomer, the polyurethane resin, and the silane-based coupling agent are represented by a solid content ratio.
- Per 100 parts by mass of the unsaturated copolymer 10 to 90 parts by mass, preferably 20 to 80 parts by mass, and 5 to 100 parts by mass, preferably 20 to 50 parts by mass of a silane coupling agent per 100 parts by mass of the unsaturated copolymer. It is preferred that In this case, the mechanical strength of the molded product, the color tone of the molded product, the dispersibility of the glass fiber in the pellets, and the mold releasability during injection molding are favorable.
- the polyurethane resin is more than 90 parts by mass, the mechanical strength of the molded article is inferior, and if it is less than 10 parts by mass, the color tone is poor, and the dispersibility and the releasability are poor. If the silane-based coupling agent power is less than 5 parts by mass, the mechanical strength of the molded product is poor, and if it is more than 100 parts by mass, the mechanical strength and durability are reduced, and the color tone is poor.
- the sizing agent contains the polyacrylic acid or a copolymer of acrylic acid and one or more monomers
- the sizing agent is mixed with the maleic anhydride at a solid content ratio.
- the content is preferably 5 to 100 parts by mass, more preferably 10 to 50 parts by mass, per 100 parts by mass of the unsaturated copolymer with the unsaturated monomer.
- the content of the polymer exceeds 100 parts by mass, the mechanical strength of the molded article is poor, and when the content is less than 5 parts by mass, the color tone is inferior and glass fibers in the molding material are not easily dispersed. It is not preferable because the mold releasing property is inferior.
- the sizing agent of the present invention includes, as a surfactant, a nonionic surfactant such as an ethylene oxide propylene oxide copolymer, a synthetic alcohol type, a natural alcohol type, a fatty acid ester type, and a distyrene type. A phenol type or the like can be used.
- the sizing agent of the present invention may contain a fatty acid amide, a quaternary ammonium salt, or the like as a lubricant in addition to the above components.
- fatty acid amide for example, a dehydration condensate of a polyethylene polyamine such as diethylenetriamine, triethylenetetramine and tetraethylenepentamine with a fatty acid such as lauric acid, myristic acid, palmitic acid and stearic acid can be used.
- a fatty acid such as lauric acid, myristic acid, palmitic acid and stearic acid
- quaternary ammonium salt an alkyltrimethylammonium salt such as lauryltrimethylammonium chloride can be used.
- the sizing agent of the present invention is an antistatic agent represented by an inorganic salt such as lithium chloride or potassium iodide, or a quaternary ammonium salt such as an ammonium chloride type or an ammonium sulfate salt. Can be included.
- the sizing agent used in the present invention includes the above unsaturated copolymer of maleic anhydride and an unsaturated monomer, polyurethane resin in the form of emulsion or dispargin, and a silane coupling agent.
- they are mixed in an aqueous medium, and then, preferably, polyacrylic acid or a copolymer of acrylic acid and one or more monomers, an optical brightener, a surfactant, a lubricant, an antistatic agent, and the like. Can be easily obtained by mixing an auxiliary agent.
- the sizing agent when a glass fiber bundle is treated with a sizing agent having the above-described specific composition, the sizing agent is applied to a glass fiber bundle composed of glass filaments immediately after being spun from a pushing carp. It is necessary. When the above sizing agent is applied to the cut wet chopped strand, the application unevenness and the particle size of the product become excessive, and glass fibers are not easily dispersed in the molded product. For this reason, in the present invention, it is preferable to treat immediately after spinning, that is, after spinning, preferably within 20 seconds, particularly preferably within 5 seconds.
- the average fiber diameter of the glass filaments forming the glass fiber bundle to be treated with the sizing agent of the present invention is preferably 6 to 23 ⁇ m, more preferably 10 to 16 ⁇ m.
- the glass fiber bundle depends on whether it is drawn as a single bundle into an impregnation die or as a plurality of bundles, and is preferably 100 to 4000, more preferably 800 to 3000, in one fiber bundle. Preferably.
- the glass fiber diameter is less than 6 m, the impact strength of the molded article tends to decrease, and when the glass fiber diameter exceeds 23 m, the stress at the end face of the glass fiber in the molded article increases, and the molding is performed. The tensile strength and bending strength of the product tend to decrease.
- the amount of the sizing agent used in the present invention attached to the glass fiber bundle is expressed in terms of solid content. It is preferably from 0.1 to 2% by mass (99.9 to 98.0% by mass of glass fiber), and particularly preferably from 0.2 to 0.8% by mass.
- the glass fiber bundle treated with the sizing agent is wound up in a tube or the like in a wet state, and then the wound fiber bundle is drawn out, and preferably cut to 1.5 to 13 mm. . Further, by cutting the glass fiber bundle as it is without winding it into a tube, a wet chopped strand can be obtained. Next, the wet chopped strand is dried. The temperature and time of the vigorous drying are optional. The drying is preferably carried out at a temperature of 120 to 180 ° C., preferably for 10 seconds to 10 minutes so as to remove excess water.
- thermoplastic resin examples include polyamide resins such as nylon 6, nylon 66, and aromatic nylon, and two or more polyamide resins, and polymer alloys such as polyamide-polyolefin and polyamide-polyphenylene ether. used.
- thermoplastic resin When a polyamide resin is used as the thermoplastic resin to produce a fiber-reinforced polyamide resin molding material, for example, polyamide resin melted from a screw extruder is preferably used at 260 ° C.—330 ° C. While plasticizing with C, the above chopped strand is supplied and melt-kneaded. The melt-kneaded material is formed into a linear reinforced polyamide resin body, which is then cut with a pelletizer or the like to obtain a fiber-reinforced polyamide molding material.
- the above-mentioned temperature range is sufficient.
- 280 ° C to 310 ° C C is preferred.
- the glass content of the thermoplastic resin molding material such as polyamide resin is preferably from 5 to 70% by mass, more preferably from 15 to 60% by mass. If the glass content of the molding material exceeds 70% by mass, the impregnation of the thermoplastic resin becomes insufficient, so that the dispersibility of the glass fibers during direct injection molding immediately after mixing with the matrix resin is poor. On the other hand, if the glass content of the molding material is less than 100% by mass, the glass content of the present glass fiber reinforced thermoplastic resin product is less practical in view of the glass content, and an unfavorable effect on cost appears.
- a sizing agent was prepared by mixing the following raw material components with the compositions shown in Table 1.
- Polyol component polypropylene glycol
- isocyanate component isophorone diisocyanate
- Polyurethane resin B (PBA-IPDI, number average molecular weight: 2000):
- Polyol component polybutylene adipate
- isocyanate component isophorone diisocyanate
- Polyol component (polypropylene glycol), isocyanate component tolylene diisocyanate,
- Silane coupling agent A ⁇ -aminopropyltriethoxysilane
- Silane coupling agent B N—j8— (aminoethyl) ⁇ -aminopropyltrimethoxysilane
- Copolymer of acrylic acid and one or more monomers Copolymer of acrylic acid and methyl acrylate (number average molecular weight 10,000)
- Optical brightener Benzoxazole-based optical brightener
- a glass fiber bundle composed of glass filaments was surface-treated so that the pushing force was within 1 second after spinning, and then cut to produce a chopped strand.
- the chopped strand 3000 glass filaments having an average diameter of 10 ⁇ m were bundled, the amount of the sizing agent attached was 0.45% by mass, and the length was 3 mm.
- This chopped strand is kneaded and extruded with a twin-screw extruder (screw diameter 35 mm, 285 ° C) using polyamide 66 (injection molding dale) as a matrix resin, and cut into pellet molding materials ( 3mm diameter, 3mm long cylinder, glass fiber content 30% by mass).
- a twin-screw extruder screw diameter 35 mm, 285 ° C
- polyamide 66 injection molding dale
- Injection molding was carried out using a powerful pellet molding material at a mold clamping of 75 tons, cylinder temperature of 300 ° C, and die of 80 ° C! To obtain a molded product (100 mm high x 100 mm diameter x lmm thick cup). .
- the mechanical strength, color tone, dispersibility of glass fiber in pellets, and releasability during injection molding were evaluated.
- Table 1 shows the physical properties of the molded articles obtained in the examples and comparative examples. The methods for measuring TS, FS, IZOD and other performances in “Table 1” are as shown below.
- Color tone evaluation The color tone of the pellet was measured by Nippon Denshoku Co., Ltd. 90, and an L value of 72 or more, a value of 2 or less, and b value of 15 or less were judged to be particularly good.
- the mold force was also measured by measuring the force (release force) applied to the ejection pin when removing the molded product. The smaller the release force, the better, but it was judged to be particularly good at 30 kgfZcm 2 or less.
- Example 1 As can be seen from Table 1, the examples were different from the comparative examples in color tone of molded articles, dispersibility of glass in pellets, mold releasability during molding, and tensile strength after hot water immersion. All properties were comparable. Comparative Example 1 was inferior to Example 1 in color tone, dispersibility of glass in pellets, and releasability during molding. In Comparative Examples 2 and 3, in which the ratio of maleic anhydride, a copolymer having butadiene power, and polyurethane was outside the range of the present invention, the tensile strength after hot water immersion treatment was poor. In addition, acrylic acid methyl acrylate copolymer In addition to Example 2-4, the color tone of the molded product, the dispersibility of the glass in the pellets, and the releasability during molding were better in Example 1 to Example 4.
- Examples 14 to 14 using the copolymer of maleic anhydride and butadiene having a preferable molecular weight of the present invention the tensile strength after hot water immersion treatment was superior to that of Example 5; In comparison with the above, the dispersibility of the glass in the pellet was excellent. Further, Examples 14 to 14 using the preferred polyurethane of the present invention are superior in tensile strength after hot water immersion treatment as compared with Example 7, and superior in color tone in a molded product as compared with Example 8. Was.
- the glass filament chopped strand obtained according to the present invention and the molded article made of the fiber-reinforced polyamide resin molding material using the same have excellent heat resistance and large mechanical strength, so that various products such as automobiles, home appliances, and general industrial materials are used. It can be suitably used in the field.
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- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Manufacturing & Machinery (AREA)
- Polymers & Plastics (AREA)
- Reinforced Plastic Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200580009460XA CN1997608B (zh) | 2004-03-25 | 2005-03-24 | 短切原丝的制造方法 |
| JP2006511510A JP4974675B2 (ja) | 2004-03-25 | 2005-03-24 | チョップドストランドの製造方法 |
| EP20050727171 EP1734020B1 (en) | 2004-03-25 | 2005-03-24 | Process for production of copped strands |
| US11/526,003 US20070020446A1 (en) | 2004-03-25 | 2006-09-25 | Process for producing chopped strands |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004089995 | 2004-03-25 | ||
| JP2004-089995 | 2004-03-25 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US11/526,003 Continuation US20070020446A1 (en) | 2004-03-25 | 2006-09-25 | Process for producing chopped strands |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005092814A1 true WO2005092814A1 (ja) | 2005-10-06 |
Family
ID=35056114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/005434 Ceased WO2005092814A1 (ja) | 2004-03-25 | 2005-03-24 | チョップドストランドの製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20070020446A1 (ja) |
| EP (1) | EP1734020B1 (ja) |
| JP (1) | JP4974675B2 (ja) |
| CN (1) | CN1997608B (ja) |
| WO (1) | WO2005092814A1 (ja) |
Cited By (7)
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| JP2007125739A (ja) * | 2005-11-01 | 2007-05-24 | Kobe Steel Ltd | 繊維強化樹脂ペレットの製造方法及び繊維強化樹脂ペレット |
| US20080199697A1 (en) * | 2005-07-06 | 2008-08-21 | Saint-Gobain Technical Fabrics Europe | Reinforcing Yarns and Composites with an Improved Fire-Resistance |
| CN1923740B (zh) * | 2006-09-13 | 2010-05-12 | 中材科技股份有限公司 | 细玻璃纤维膨体纱用增强型浸润剂 |
| KR20180130449A (ko) | 2017-05-29 | 2018-12-07 | 닛신 가가꾸 고교 가부시끼가이샤 | 무기 섬유용 결합제 및 무기 섬유 매트 |
| WO2020129801A1 (ja) | 2018-12-18 | 2020-06-25 | 日信化学工業株式会社 | 無機繊維用バインダー及び無機繊維マット |
| WO2021039556A1 (ja) | 2019-08-23 | 2021-03-04 | 日信化学工業株式会社 | 無機繊維用バインダー及び無機繊維マット |
| WO2021166647A1 (ja) | 2020-02-19 | 2021-08-26 | 日信化学工業株式会社 | 無機繊維用バインダー及び無機繊維マット |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007036346A1 (de) | 2007-02-23 | 2008-08-28 | Deutsche Rockwool Mineralwoll Gmbh + Co Ohg | Verfahren und Vorrichtung zur Herstellung eines Formteils sowie Formteil als Wärme- und/oder Schalldämmelement |
| US8425798B2 (en) * | 2010-07-30 | 2013-04-23 | Sumitomo Chemical Company, Limited | Liquid crystal polyester composition, reflective plate and light-emitting device |
| US10052413B2 (en) * | 2013-03-14 | 2018-08-21 | Medtronic Vascular, Inc. | Medical device and plasticized nylon |
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| CN108249783B (zh) * | 2018-02-12 | 2022-02-01 | 巨石集团有限公司 | 一种透明毡用玻纤浸润剂及其制备方法和应用 |
| CN108773997B (zh) * | 2018-05-28 | 2021-03-02 | 宁波东邦新材料有限公司 | 一种玄武岩短切纤维生产工艺 |
| WO2022107811A1 (en) * | 2020-11-19 | 2022-05-27 | Japan Fine Coatings Co., Ltd. | Composition for forming coating layer of optical fiber and cured layer thereof, optical fiber having cured layer, and use thereof |
| JP7716208B2 (ja) * | 2020-11-19 | 2025-07-31 | 日本特殊コーティング株式会社 | 光ファイバ被覆層形成用組成物及びその硬化層、並びに硬化層を有する光ファイバ及び光ファイバ被覆層形成用組成物の使用 |
| CN112626854A (zh) * | 2020-12-11 | 2021-04-09 | 九江鑫星玻纤材料有限公司 | 一种高性能电子级玻璃纤维布的制备工艺 |
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| CN116375361B (zh) * | 2023-03-15 | 2025-01-24 | 重庆国际复合材料股份有限公司 | 一种玻璃纤维用富活性基团水溶性树脂成膜剂及其制备方法 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080199697A1 (en) * | 2005-07-06 | 2008-08-21 | Saint-Gobain Technical Fabrics Europe | Reinforcing Yarns and Composites with an Improved Fire-Resistance |
| JP2007125739A (ja) * | 2005-11-01 | 2007-05-24 | Kobe Steel Ltd | 繊維強化樹脂ペレットの製造方法及び繊維強化樹脂ペレット |
| CN1923740B (zh) * | 2006-09-13 | 2010-05-12 | 中材科技股份有限公司 | 细玻璃纤维膨体纱用增强型浸润剂 |
| KR20180130449A (ko) | 2017-05-29 | 2018-12-07 | 닛신 가가꾸 고교 가부시끼가이샤 | 무기 섬유용 결합제 및 무기 섬유 매트 |
| WO2020129801A1 (ja) | 2018-12-18 | 2020-06-25 | 日信化学工業株式会社 | 無機繊維用バインダー及び無機繊維マット |
| KR20210104781A (ko) | 2018-12-18 | 2021-08-25 | 닛신 가가꾸 고교 가부시끼가이샤 | 무기 섬유용 바인더 및 무기 섬유 매트 |
| US12234336B2 (en) | 2018-12-18 | 2025-02-25 | Nissin Chemical Industry Co., Ltd. | Binder for inorganic fibers and inorganic fiber mat |
| WO2021039556A1 (ja) | 2019-08-23 | 2021-03-04 | 日信化学工業株式会社 | 無機繊維用バインダー及び無機繊維マット |
| KR20220045046A (ko) | 2019-08-23 | 2022-04-12 | 닛신 가가꾸 고교 가부시끼가이샤 | 무기 섬유용 바인더 및 무기 섬유 매트 |
| WO2021166647A1 (ja) | 2020-02-19 | 2021-08-26 | 日信化学工業株式会社 | 無機繊維用バインダー及び無機繊維マット |
| KR20220137761A (ko) | 2020-02-19 | 2022-10-12 | 닛신 가가꾸 고교 가부시끼가이샤 | 무기 섬유용 바인더 및 무기 섬유 매트 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1997608A (zh) | 2007-07-11 |
| EP1734020B1 (en) | 2012-08-08 |
| JP4974675B2 (ja) | 2012-07-11 |
| US20070020446A1 (en) | 2007-01-25 |
| EP1734020A1 (en) | 2006-12-20 |
| CN1997608B (zh) | 2010-05-12 |
| EP1734020A4 (en) | 2010-03-31 |
| JPWO2005092814A1 (ja) | 2008-02-14 |
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