WO2018159861A2 - ガラス繊維強化樹脂成形品 - Google Patents
ガラス繊維強化樹脂成形品 Download PDFInfo
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- WO2018159861A2 WO2018159861A2 PCT/JP2018/022249 JP2018022249W WO2018159861A2 WO 2018159861 A2 WO2018159861 A2 WO 2018159861A2 JP 2018022249 W JP2018022249 W JP 2018022249W WO 2018159861 A2 WO2018159861 A2 WO 2018159861A2
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- resin molded
- reinforced resin
- molded product
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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
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/043—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
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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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- 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
- C08L25/06—Polystyrene
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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
- C08L27/00—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 a halogen; Compositions of derivatives of such polymers
- C08L27/02—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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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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
- 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
- C08L33/08—Homopolymers or copolymers of acrylic acid esters
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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
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2377/06—Polyamides derived from polyamines and polycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/30—Applications used for thermoforming
Definitions
- the present invention relates to a glass fiber reinforced resin molded product.
- glass fibers have been widely used in various applications in order to improve the performance of resin molded products.
- one of the main performances improved by the glass fiber is mechanical strength such as tensile strength and bending strength of the glass fiber reinforced resin molded product.
- fiber diameter of glass fiber usually glass fiber is composed of multiple glass filaments bundled together, the average diameter of this glass filament is called fiber diameter of glass fiber
- glass fiber reinforced resin molded product The effects of glass fiber characteristics on the mechanical strength of glass fiber reinforced resin molded products, such as the length of glass fibers in glass, the glass content in glass fiber reinforced resin molded products, and the cross-sectional shape of glass filaments, have been studied. (For example, refer to Patent Document 1).
- the present invention has been made in view of the above circumstances, reveals the characteristics of the glass fiber that contributes to the mechanical strength, heat resistance, long-term durability and workability during molding of the glass fiber reinforced resin molded product,
- An object is to provide a glass fiber reinforced resin molded article excellent in mechanical strength, heat resistance, and workability during molding.
- the glass fiber reinforced resin molded product of the present invention has a fiber diameter D ( ⁇ m) of the glass fiber contained in the glass fiber reinforced resin molded product in the range of 3.0 to 12.0 ⁇ m,
- the number average fiber length L ( ⁇ m) of the glass fibers contained in the glass fiber reinforced resin molded product is in the range of 160 to 350 ⁇ m, and the glass fiber volume content V (%) in the glass fiber reinforced resin molded product is 3.0 to It is 50.0% of range, and said D, L, and V satisfy
- the above-mentioned D, L, and V are in the above-described range, and the glass fiber reinforced resin molded product is a high machine by satisfying the condition of the above formula (1). Strength, high heat resistance, and excellent workability during molding.
- having high mechanical strength means that the tensile strength of the glass fiber reinforced resin molded product is 185.0 MPa or more.
- having high heat resistance means that the deflection temperature under load of the glass fiber reinforced resin molded product is 255.0 ° C. or higher.
- the fiber diameter D of the glass fiber is less than 3.0 ⁇ m, it may adversely affect the health of the manufacturer in the manufacturing process of the glass fiber and the glass fiber reinforced resin molded product. Concerned.
- the fiber diameter D of the glass fiber is more than 12.0 ⁇ m, a glass fiber reinforced resin molded product having sufficient mechanical strength cannot be obtained.
- the number average fiber length L of the glass fibers when the number average fiber length L of the glass fibers is less than 160 ⁇ m, it is not possible to obtain a glass fiber reinforced resin molded product having sufficient mechanical strength. On the other hand, in the glass fiber reinforced resin molded product of the present invention, if the number average fiber length L of the glass fibers is more than 350 ⁇ m, the workability at the time of molding, particularly during biaxial kneading may be lowered.
- the glass fiber reinforced resin molded product of the present invention if the glass fiber volume content V is less than 3.0%, a glass fiber reinforced resin molded product having sufficient mechanical strength cannot be obtained. On the other hand, in the glass fiber reinforced resin molded product of the present invention, if the glass fiber volume content V is more than 50.0%, the workability at the time of molding deteriorates.
- the fiber diameter D ( ⁇ m) of the glass fiber, the fiber length L ( ⁇ m) of the glass fiber, and the glass fiber volume content V (%) satisfy the formula (1). If not, that is, if D 2 ⁇ L / V is less than 300, the workability at the time of forming deteriorates. On the other hand, in the glass fiber reinforced resin molded product of the present invention, when D 2 ⁇ L / V is more than 1000, a glass fiber reinforced resin molded product having sufficient mechanical strength cannot be obtained.
- the D is in the range of 3.5 to 10.5 ⁇ m
- the L is in the range of 180 to 260 ⁇ m
- the V is 5.0 to 30.0%. It is preferable that D, L, and V satisfy the following formula (2).
- the above-mentioned D, L, and V are in the above-described range, and the glass fiber reinforced resin molded product is a high machine by satisfying the condition of the above formula (2). Strength, higher heat resistance, and better workability during molding.
- having higher heat resistance means that the deflection temperature under load of the glass fiber reinforced resin molded product is 258.0 ° C. or higher.
- the D is in the range of 4.0 to 7.5 ⁇ m
- the L is in the range of 195 to 225 ⁇ m
- the V is 6.0 to 25.0%. It is more preferable that D, L, and V satisfy the following formula (3).
- the glass fiber reinforced resin molded product of the present invention is higher when the D, L, and V are in the above-described range and the condition of the above formula (3) is satisfied. It has mechanical strength, higher heat resistance, and better workability during molding. Furthermore, in the glass fiber reinforced resin molded product of the present invention, when the D, L, and V satisfy the following formula (3), the glass fiber reinforced resin molded product of the present invention has high long-term durability.
- having higher mechanical strength means that the tensile strength of the glass fiber reinforced resin molded product is 190.0 MPa or more.
- High long-term durability means that the fatigue strength is 78 MPa or more and the creep rupture strength at a stress load time of 1000 hours is 114 MPa or more.
- the D is in the range of 4.5 to 7.0 ⁇ m
- the L is in the range of 200 to 223 ⁇ m
- the V is 10.0 to 20.0%. More preferably, the D, L, and V satisfy the following formula (4).
- the glass fiber reinforced resin molded product of the present invention is extremely high by satisfying the condition of the above formula (4) while D, L, and V are in the above-described range. It has more reliable mechanical strength, extremely high heat resistance, and excellent workability during molding, and also has high long-term durability.
- having extremely high mechanical strength means that the tensile strength of the glass fiber reinforced resin molded product is 195.0 MPa or more.
- having extremely high heat resistance means that the deflection temperature under load of the glass fiber reinforced resin molded product is 259.5 ° C. or higher.
- the fiber diameter D ( ⁇ m) of the glass fiber contained in the glass fiber reinforced resin molded product is in the range of 3.0 to 12.0 ⁇ m.
- the number average fiber length L ( ⁇ m) of the glass fibers contained in the glass fiber is in the range of 160 to 350 ⁇ m, and the glass fiber volume content V (%) in the glass fiber reinforced resin molded product is 3.0 to 50.0%. It is in a range, and the D, L, and V satisfy the following formula (1).
- the above-mentioned D, L, and V are in the above-mentioned range, and the glass fiber reinforced resin molded product satisfies the condition of the following formula (1), It has high mechanical strength, high heat resistance, and excellent workability during molding.
- the fiber diameter D of the glass fiber is less than 3.0 ⁇ m, it adversely affects the health of the manufacturer in the manufacturing process of the glass fiber and the glass fiber reinforced resin molded product. Is concerned.
- the fiber diameter D of the glass fiber is more than 12.0 ⁇ m, a glass fiber reinforced resin molded product having sufficient mechanical strength cannot be obtained.
- the fiber diameter D of the glass fiber is preferably 3.5 to 10.5 ⁇ m, more preferably 4.0 to 8.0 ⁇ m. It is more preferably from 5 to 7.5 ⁇ m, particularly preferably from 5.0 to 7.2 ⁇ m, very particularly preferably from 5.5 to 7.0 ⁇ m, and from 6.0 to 6.9 ⁇ m. Most preferred.
- the fiber diameter of the glass fiber means the diameter of the glass filament.
- the cross-sectional shape of the glass filament is a perfect circle shape or a shape other than a substantially perfect circle shape (for example, elliptical shape, oval shape, etc.)
- the fiber diameter of the glass fiber is the same as the area of the cross-sectional shape. This means the diameter of a perfect circle having an area (referred to as the converted fiber diameter).
- the fiber diameter of the glass fiber in the glass fiber reinforced resin molded product of this embodiment is, for example, first polished a cross section of the glass fiber reinforced resin molded product, and then using an electron microscope, per 100 or more glass filaments.
- the cross-sectional shape of the glass filament is a perfect circle shape or a substantially perfect circle shape
- the diameter thereof is measured, and when the cross-sectional shape of the glass filament is other than a perfect circle shape or a substantially perfect circle shape.
- After calculating the cross-sectional area it can be calculated by calculating the converted fiber diameter based on the cross-sectional area, and then obtaining the measured or calculated diameter or the average value of the converted fiber diameters.
- the glass fiber is usually formed by bundling a plurality of glass filaments, but in the glass fiber reinforced resin molded product, the bundling is released through a molding process, and in the state of the glass filament, It is dispersed in the glass fiber reinforced resin molded product.
- the number average fiber length L of the glass fibers is less than 160 ⁇ m, a glass fiber reinforced resin molded product having sufficient mechanical strength cannot be obtained.
- the number average fiber length L of the glass fibers is more than 350 ⁇ m, the workability during molding, particularly during biaxial kneading, may be reduced.
- the number average fiber length L of the glass fibers is preferably 180 to 260 ⁇ m, more preferably 190 to 227 ⁇ m, and 195 to 225 ⁇ m. More preferably, it is particularly preferably 200 to 223 ⁇ m, particularly preferably 206 to 222 ⁇ m, and most preferably 210 to 221 ⁇ m.
- the number average fiber length of the glass fiber in the glass fiber reinforced resin molded product of the present embodiment can be calculated by the following method. First, a glass fiber reinforced resin molded product is heated in a muffle furnace at 650 ° C. for 0.5 to 24 hours to decompose organic substances. Next, the remaining glass fiber is transferred to a glass petri dish, and the glass fiber is dispersed on the surface of the petri dish using acetone. Next, the number average fiber length of the glass fibers is calculated by measuring the fiber length with respect to 1000 or more glass fibers dispersed on the petri dish surface using a stereomicroscope and taking the average.
- the glass fiber reinforced resin molded product of the present embodiment if the glass fiber volume content V is less than 3.0%, a glass fiber reinforced resin molded product having sufficient mechanical strength cannot be obtained. On the other hand, if the glass fiber volume content V is more than 50.0%, the workability at the time of forming deteriorates.
- the glass fiber volume content V is preferably 5.0 to 30.0%, more preferably 6.0 to 25.0%. It is more preferably 10.0 to 20.0%, particularly preferably 15.0 to 19.5%.
- the glass fiber volume content in the glass fiber reinforced resin molded product of this embodiment can be calculated based on JIS K 7053.
- the fiber diameter D ( ⁇ m) of the glass fiber, the fiber length L ( ⁇ m) of the glass fiber, and the glass fiber volume content V (%) satisfy the formula (1).
- filling ie, when D ⁇ 2 > * L / V is less than 300, the workability at the time of a shaping
- D 2 ⁇ L / V is more than 1000, a glass fiber reinforced resin molded product having sufficient mechanical strength cannot be obtained.
- the glass fiber reinforced resin molded product of this embodiment it is preferable that said D, L, and V satisfy
- D 2 ⁇ L / V satisfies the following formula (2), the glass fiber reinforced resin molded product has high mechanical strength, higher heat resistance, and better workability during molding.
- the glass fiber reinforced resin molded product of this embodiment it is more preferable that the D, L, and V satisfy the following formula (3).
- D 2 ⁇ L / V satisfies the following formula (3), the glass fiber reinforced resin molded product has higher mechanical strength, higher heat resistance, and better workability during molding, Furthermore, it has high long-term durability.
- the glass fiber reinforced resin molded product of this embodiment it is particularly preferable that the D, L, and V satisfy the following formula (5).
- D 2 ⁇ L / V satisfies the following formula (5), the glass fiber reinforced resin molded product has extremely high mechanical strength, extremely high heat resistance, and more excellent workability during molding, Furthermore, it has high long-term durability.
- the D, L, and V satisfy the following formula (6).
- D 4/5 ⁇ L 2 / (1000 ⁇ V 2/3 ) satisfies the following formula (6), higher mechanical strength, higher heat resistance, and better workability at the time of molding processing are obtained. Equipped with higher long-term durability.
- the glass fiber reinforced resin molded product of the present embodiment it is particularly preferable that the D, L, and V satisfy the following formula (4).
- D 4/5 ⁇ L 2 / (1000 ⁇ V 2/3 ) satisfies the following formula (4), the glass fiber reinforced resin molded product has extremely high mechanical strength, extremely high heat resistance, and more excellent More reliable workability during molding and higher long-term durability.
- the cross-sectional shape of the glass fiber (usually, the glass fiber is formed by converging a plurality of glass filaments, and the cross-sectional shape of the glass filament is referred to as the cross-sectional shape of the glass fiber. ) Is not particularly limited.
- examples of the cross-sectional shape that can be taken by the glass fiber include a perfect circle, an ellipse, and an oval.
- the ratio of the major axis to the minor axis of the sectional shape is, for example, in the range of 2.0 to 10.0.
- the cross-sectional shape of the glass fiber is preferably an oval, and the ratio of the major axis to the minor axis of the cross-sectional shape is 2.2-6. 0 is preferred.
- the glass composition of the glass forming the glass fiber is not particularly limited.
- the glass composition that can be taken by the glass fiber is the most general E glass composition (SiO 2 in the range of 52.0 to 56.0% by mass with respect to the total amount of glass fiber).
- the glass fiber having the glass composition described above is manufactured as follows. First, a glass raw material (glass batch) prepared to have the above composition is supplied to a melting furnace and melted at a temperature in the range of 1450 to 1550 ° C., for example. Next, the molten glass batch (molten glass) is discharged from 1 to 8000 nozzle tips or holes of the bushing controlled at a predetermined temperature, and cooled and solidified by being wound at a high speed. As a result, glass fibers in a state where 1 to 8000 glass filaments are converged are formed.
- the cooled and solidified glass filament discharged from one nozzle tip or hole usually has a perfect circular cross-sectional shape.
- the non-circular for example, oval, oval
- a glass filament having a cross-sectional shape is obtained.
- the glass fiber improves the adhesion between the glass fiber and the resin, improves the uniform dispersibility of the glass fiber in the mixture of the glass fiber and the resin or the inorganic material, and the like.
- the surface may be coated with an organic substance.
- organic substances include urethane resin, epoxy resin, vinyl acetate resin, acrylic resin, modified polypropylene (especially carboxylic acid-modified polypropylene), (poly) carboxylic acid (especially maleic acid) and co-polymerization of unsaturated monomers. A coalescence etc. can be mentioned.
- the glass fiber may be coated with a resin composition containing a silane coupling agent, a lubricant, a surfactant and the like in addition to these resins.
- a resin composition covers the glass fiber at a ratio of 0.1 to 2.0% by mass based on the mass of the glass fiber in a state where the resin composition is not coated.
- the glass fiber is coated with an organic material by, for example, applying a resin solution or a resin composition solution to the glass fiber using a known method such as a roller-type applicator in the glass fiber manufacturing process, and then the resin solution or resin. It can carry out by drying the glass fiber with which the composition solution was apply
- examples of the silane coupling agent include aminosilane ( ⁇ -aminopropyltriethoxysilane, N- ⁇ - (aminoethyl) - ⁇ -aminopropyltrimethoxysilane, N- ⁇ - (aminoethyl) -N′- ⁇ .
- Lubricants include modified silicone oils, animal oils (beef tallow, etc.) and their hydrogenated products, vegetable oils (soybean oil, palm oil, rapeseed oil, palm oil, castor oil, etc.) and their hydrogenated products, animal waxes (beeswax, lanolin) Etc.), vegetable waxes (candelilla wax, carnauba wax, etc.), mineral waxes (paraffin wax, montan wax, etc.), condensates of higher saturated fatty acids and higher saturated alcohols (stearic acid esters such as lauryl stearate, etc.) , Polyethylenimine, polyalkylpolyamine alkylamide derivatives, fatty acid amides (for example, dehydration condensation of polyethylene polyamines such as diethylenetriamine, triethylenetetramine, tetraethylenepentamine and fatty acids such as lauric acid, myristic acid, palmitic acid, stearic acid) object ), Quaternary am
- surfactant examples include nonionic surfactants, cationic surfactants, anionic surfactants, and amphoteric surfactants. These surfactants can be used alone or in combination of two or more.
- Nonionic surfactants include ethylene oxide propylene oxide alkyl ether, polyoxyethylene alkyl ether, polyoxyethylene-polyoxypropylene-block copolymer, alkyl polyoxyethylene-polyoxypropylene-block copolymer ether, polyoxyethylene fatty acid ester , Polyoxyethylene fatty acid monoester, polyoxyethylene fatty acid diester, polyoxyethylene sorbitan fatty acid ester, glycerol fatty acid ester ethylene oxide adduct, polyoxyethylene caster oil ether, hydrogenated castor oil ethylene oxide adduct, alkylamine ethylene oxide adduct , Fatty acid amide ethylene oxide adduct, glycerol fatty acid ester, polyglyceride Fatty acid ester, pentaerythritol fatty acid ester, sorbitol fatty acid ester, sorbitan fatty acid ester, sucrose fatty acid ester, polyhydric alcohol alkyl ether, fatty
- Cationic surfactants include alkyldimethylbenzylammonium chloride, alkyltrimethylammonium chloride, alkyldimethylethylammonium ethyl sulfate, higher alkylamine salts (such as acetate and hydrochloride), ethylene oxide adducts to higher alkylamines, higher Examples include condensates of fatty acids and polyalkylene polyamines, salts of esters of higher fatty acids and alkanolamines, salts of higher fatty acid amides, imidazoline-type cationic surfactants, and alkyl pyridinium salts.
- Anionic surfactants include higher alcohol sulfates, higher alkyl ether sulfates, ⁇ -olefin sulfates, alkyl benzene sulfonates, ⁇ -olefin sulfonates, reaction of fatty acid halides with N-methyl taurine. Products, sulfosuccinic acid dialkyl ester salts, higher alcohol phosphate ester salts, phosphate ester salts of higher alcohol ethylene oxide adducts, and the like.
- amphoteric surfactants include amino acid type amphoteric surfactants such as alkali metal alkylaminopropionates, betaine types such as alkyldimethylbetaine, and imidazoline type amphoteric surfactants.
- the glass fiber reinforced resin molded product of the present embodiment includes a thermoplastic resin and additives other than glass fiber in addition to the glass fiber described above.
- the volume content of the thermoplastic resin is, for example, 50.0 to 97.0%.
- the volume content of additives other than glass fibers is, for example, 0 to 40.9 mass%.
- thermoplastic resin polyethylene, polypropylene, polystyrene, styrene / maleic anhydride resin, styrene / maleimide resin, polyacrylonitrile, acrylonitrile / styrene (AS) resin, acrylonitrile / butadiene / styrene (ABS) resin, chlorine Polyethylene / acrylonitrile / styrene (ACS) resin, acrylonitrile / ethylene / styrene (AES) resin, acrylonitrile / styrene / methyl acrylate (ASA) resin, styrene / acrylonitrile (SAN) resin, methacrylic resin, polyvinyl chloride (PVC) , Polyvinylidene chloride (PVDC), polyamide, polyacetal, polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polytrimethylene
- polyethylene examples include high density polyethylene (HDPE), medium density polyethylene, low density polyethylene (LDPE), linear low density polyethylene (LLDPE), and ultrahigh molecular weight polyethylene.
- HDPE high density polyethylene
- LDPE low density polyethylene
- LLDPE linear low density polyethylene
- ultrahigh molecular weight polyethylene examples include ultrahigh molecular weight polyethylene.
- polypropylene examples include isotactic polypropylene, atactic polypropylene, syndiotactic polypropylene, and mixtures thereof.
- polystyrene examples include general-purpose polystyrene (GPPS), which is an atactic polystyrene having an atactic structure, impact-resistant polystyrene (HIPS) obtained by adding a rubber component to GPPS, and syndiotactic polystyrene having a syndiotactic structure.
- GPPS general-purpose polystyrene
- HIPS impact-resistant polystyrene
- methacrylic resin a polymer obtained by homopolymerizing one of acrylic acid, methacrylic acid, styrene, methyl acrylate, ethyl acrylate, ethyl methacrylate, butyl acrylate, butyl methacrylate, and fatty acid vinyl ester, or two or more types And the like.
- Polyvinyl chloride can be copolymerized with a vinyl chloride homopolymer or a vinyl chloride monomer polymerized by a conventionally known emulsion polymerization method, suspension polymerization method, micro suspension polymerization method, bulk polymerization method or the like. Examples thereof include a copolymer with a monomer, or a graft copolymer obtained by graft polymerization of a vinyl chloride monomer to a polymer.
- Polyamides include polycaproamide (nylon 6), polyhexamethylene adipamide (nylon 66), polytetramethylene adipamide (nylon 46), polytetramethylene sebacamide (nylon 410), polypentamethylene adipa Mido (nylon 56), polypentamethylene sebacamide (nylon 510), polyhexamethylene sebamide (nylon 610), polyhexamethylene dodecamide (nylon 612), polydecamethylene adipamide (nylon 106), poly Decamethylene sebamide (nylon 1010), polydecane methylene dodecane (nylon 1012), polyundecanamide (nylon 11), polyundecane adipamide (nylon 116), polydodecanamide (nylon 12), polyxylene Horse mackerel Mido (nylon XD6), polyxylene sebamide (nylon XD10), polymetaxylylene adipamide (nylon MXD6), polyparaxyly
- the polyacetal includes a homopolymer having an oxymethylene unit as a main repeating unit, and a copolymer mainly comprising an oxymethylene unit and having an oxyalkylene unit having 2 to 8 adjacent carbon atoms in the main chain. Etc.
- polyethylene terephthalate examples include a polymer obtained by polycondensation of terephthalic acid or a derivative thereof and ethylene glycol.
- polybutylene terephthalate examples include a polymer obtained by polycondensation of terephthalic acid or a derivative thereof and 1,4-butanediol.
- polytrimethylene terephthalate examples include a polymer obtained by polycondensation of terephthalic acid or a derivative thereof and 1,3-propanediol.
- polycarbonate examples include a polymer obtained by a transesterification method in which a dihydroxydiaryl compound and a carbonate such as diphenyl carbonate are reacted in a molten state, or a polymer obtained by a phosgene method in which a dihydroxyaryl compound and phosgene are reacted. It is done.
- polyarylene sulfide examples include linear polyphenylene sulfide, cross-linked polyphenylene sulfide, polyphenylene sulfide sulfone, polyphenylene sulfide ether, polyphenylene sulfide ketone and the like that have been polymerized by performing a curing reaction after polymerization.
- Modified polyphenylene ethers include polymer alloys of poly (2,6-dimethyl-1,4-phenylene) ether and polystyrene, and poly (2,6-dimethyl-1,4-phenylene) ether and styrene / butadiene copolymers.
- polyaryl ketone examples include polyether ketone (PEK), polyether ether ketone (PEEK), polyether ketone ketone (PEKK), and polyether ether ketone ketone (PEEKK).
- PEK polyether ketone
- PEEK polyether ether ketone
- PEKK polyether ketone ketone
- PEEKK polyether ether ketone ketone
- the liquid crystal polymer (LCP) has at least one structure selected from an aromatic hydroxycarbonyl unit, an aromatic dihydroxy unit, an aromatic dicarbonyl unit, an aliphatic dihydroxy unit, an aliphatic dicarbonyl unit and the like which are thermotropic liquid crystal polyesters. Examples include (co) polymers composed of units.
- Fluorine resins include polytetrafluoroethylene (PTFE), perfluoroalkoxy resin (PFA), fluorinated ethylene propylene resin (FEP), fluorinated ethylene tetrafluoroethylene resin (ETFE), polyvinyl fluoride (PVF), polyfluorinated Examples include vinylidene (PVDF), polychlorotrifluoroethylene (PCTFE), and ethylene / chlorotrifluoroethylene resin (ECTFE).
- PTFE polytetrafluoroethylene
- PFA perfluoroalkoxy resin
- FEP fluorinated ethylene propylene resin
- ETFE fluorinated ethylene tetrafluoroethylene resin
- PVDF polyvinyl fluoride
- PCTFE polychlorotrifluoroethylene
- ECTFE ethylene / chlorotrifluoroethylene resin
- ionomer (IO) resin examples include a copolymer of olefin or styrene and an unsaturated carboxylic acid, in which a carboxyl group is partially neutralized with a metal ion.
- olefin / vinyl alcohol resin examples include ethylene / vinyl alcohol copolymer, propylene / vinyl alcohol copolymer, saponified ethylene / vinyl acetate copolymer, saponified propylene / vinyl acetate copolymer, and the like.
- cyclic olefin resin examples include monocyclic substances such as cyclohexene, polycyclic substances such as tetracyclopentadiene, and polymers of cyclic olefin monomers.
- polylactic acid examples include poly L-lactic acid which is a homopolymer of L isomer, poly D-lactic acid which is a homopolymer of D isomer, or a stereocomplex polylactic acid which is a mixture thereof.
- cellulose resin examples include methyl cellulose, ethyl cellulose, hydroxy cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose, hydroxyethyl methyl cellulose, hydroxypropyl methyl cellulose, cellulose acetate, cellulose propionate, and cellulose butyrate.
- thermoplastic resins may be used alone or in combination of two or more.
- Additives other than glass fibers include reinforcing fibers other than glass fibers (for example, carbon fibers, metal fibers, etc.), fillers other than glass fibers (for example, glass powder, talc, mica, etc.), flame retardants, UV absorption Agents, heat stabilizers, antioxidants, antistatic agents, fluidity improvers, antiblocking agents, lubricants, nucleating agents, antibacterial agents, pigments and the like.
- the glass fiber reinforced resin molded product of the present embodiment is a mixture of the above glass fiber, the above thermoplastic resin, and the additive other than the above glass fiber, an injection molding method, an injection compression molding method, a two-color molding.
- Method hollow molding method, foam molding method (including supercritical fluid foam molding method), insert molding method, in-mold coating molding method, extrusion molding method, sheet molding method, thermoforming method, rotational molding method, laminate molding method, press Known molding methods, blow molding methods, stamping molding methods, infusion methods, hand lay-up methods, spray-up methods, resin transfer molding methods, sheet molding compound methods, bulk molding compound methods, pultrusion methods, filament winding methods, etc. It can be obtained by molding by a molding method.
- Examples of applications of the glass fiber reinforced resin molded product of the present embodiment include electronic equipment casings, electronic components (connectors, sockets, LEDs, sealing molded products), vehicle exterior members (bumpers, fenders, bonnets, air dams, wheels). Cover, etc.), vehicle interior parts (door trim, ceiling material, etc.), vehicle engine surrounding parts (oil pan, engine cover, intake manifold, exhaust manifold, etc.), vehicle mechanism parts (pulley, seal ring, gear, bearing), muffler related Examples thereof include a member (such as a sound deadening member) and a high pressure tank.
- Example 1 to 6 Comparative Examples 1 to 5
- the fiber diameter of the glass fiber, the number average fiber length of the glass fiber, and the glass fiber volume content in the glass fiber reinforced resin molded product are shown in Examples 1 to 6 and Comparative Examples 1 to 5 shown in Table 1 or Table 2.
- a glass chopped strand of E glass composition (glass strand formed by converging a plurality of glass filaments) having a glass fiber diameter, cutting length (usually about 1 to 5 mm) and blending amount adjusted to a predetermined length.
- Example 1 the tensile strength and the deflection temperature under load were measured or calculated by the method shown below.
- Example 1 and Comparative Example 4 fatigue strength and creep rupture strength were measured or calculated.
- workability was evaluated based on the working conditions during kneading with the biaxial kneader and molding with an injection molding machine. The results are shown in Tables 1 and 2.
- Test piece was subjected to a static tensile test in accordance with JIS K 7054 using a precision universal testing machine (manufactured by Shimadzu Corporation, trade name: Autograph AG-5000B) at a test temperature of 23 ° C. The tensile strength was measured.
- the test piece was subjected to JIS K 7191 using a heat distortion tester (trade name, manufactured by Yasuda Seiki Seisakusho, Model: 148-HD500) under the conditions of a test stress of 1.8 MPa and a heating rate of 120 ° C./h.
- the deflection temperature under load in flatwise conforming to the above was measured.
- the fiber diameter D ( ⁇ m) of the glass fiber contained in the glass fiber reinforced resin molded product represented in Examples 1 to 6 is in the range of 3.0 to 12.0 ⁇ m, and glass
- the number average fiber length L ( ⁇ m) of the glass fibers contained in the fiber reinforced resin molded product is in the range of 160 to 350 ⁇ m, and the glass fiber volume content V (%) in the glass fiber reinforced resin molded product is 3.0 to 50.
- the glass fiber reinforced resin molded product in the range of 0.0% and D, L, and V satisfying the following formula (1) has high mechanical strength (tensile strength of 185.0 MPa or more) and high heat resistance (load deflection). Temperature is 255.0 ° C. or higher) and has excellent workability during molding.
- the glass fiber reinforced resin molded article shown in Example 1 has high long-term durability (fatigue strength of 78 MPa or more and creep rupture strength of 114 MPa or more at a stress load of 1000 hours).
- the above formula (1) is not satisfied, and therefore the glass fiber reinforced resin molded products do not have sufficient mechanical strength.
- the tensile strength is less than 185.0 MPa
- the glass fiber reinforced resin molded product does not have sufficient heat resistance (the deflection temperature under load is less than 255.0 ° C.), and the workability at the time of molding deteriorates. Or there are multiple problems.
- the glass fiber reinforced resin molded article of Comparative Example 4 in which the above formula (1) is not satisfied does not have sufficient long-term durability (fatigue strength of less than 78 MPa and creep rupture strength of less than 114 MPa at 1000 hours of stress load).
- Example 5 Comparative Examples 6 to 7
- glass fiber diameter, glass fiber number average fiber length, and glass fiber volume content in the glass fiber reinforced resin molded product were set to Example 7 and Comparative Examples 6 to 7 shown in Table 3, and glass A glass composition (59.4 mass% SiO 2 with respect to the total amount of glass fiber, 18) belonging to a glass composition having a high elastic modulus and easily adjusted, the fiber diameter, cut length (usually about 1 to 5 mm) and blending amount adjusted.
- injection molding was performed by an injection molding machine (trade name: NEX80, manufactured by Nissin Plastic Industry Co., Ltd.), and an A-type dumbbell specimen (thickness 4 mm) according to JIS K 7054 ) was prepared as a test piece.
- Example 7 The results are shown in Table 3.
- the fiber diameter D ( ⁇ m) of the glass fiber contained in the glass fiber reinforced resin molded product represented in Example 7 is 3.0 to
- the number average fiber length L ( ⁇ m) of the glass fibers contained in the glass fiber reinforced resin molded product is in the range of 160 to 350 ⁇ m, and the glass fiber volume content V in the glass fiber reinforced resin molded product is 12.0 ⁇ m. (%) Is in the range of 3.0 to 50.0%, and the glass fiber reinforced resin molded product in which the D, L, and V satisfy the following formula (1) has high mechanical strength (tensile strength of 185.0 MPa). Above), high heat resistance (the deflection temperature under load is 255.0 ° C.
- the glass fiber reinforced resin molded products of Comparative Examples 6 to 7 do not satisfy the following formula (1), so that the glass fiber reinforced resin molded products have sufficient mechanical strength.
- the tensile strength is less than 185.0 MPa
- the glass fiber reinforced resin molded article does not have sufficient heat resistance (the deflection temperature under load is less than 255.0 ° C.), and the workability at the time of molding deteriorates.
- One or more problems have occurred.
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Abstract
Description
本発明のガラス繊維強化樹脂成形品によれば、前記D、L及びVが上述した範囲にあり、かつ、上記式(1)の条件を満たすことで、ガラス繊維強化樹脂成形品は、高い機械的強度、高い耐熱性、及び、優れた成形加工時の加工性を備える。
本発明のガラス繊維強化樹脂成形品によれば、前記D、L及びVが上述した範囲にあり、かつ、上記式(2)の条件を満たすことで、ガラス繊維強化樹脂成形品は、高い機械的強度、より高い耐熱性、及び、より優れた成形加工時の加工性を備える。
本発明のガラス繊維強化樹脂成形品によれば、前記D、L及びVが上述した範囲にあり、かつ、上記式(3)の条件を満たすことで、ガラス繊維強化樹脂成形品は、より高い機械的強度、より高い耐熱性、及び、より優れた成形加工時の加工性を備える。さらに、本発明のガラス繊維強化樹脂成形品において、前記D、L及びVが、下記式(3)を満たす場合、本発明のガラス繊維強化樹脂成形品は、高い長期耐久性を備える。
本発明のガラス繊維強化樹脂成形品によれば、前記D、L及びVが上述した範囲にあり、かつ、上記式(4)の条件を満たすことで、ガラス繊維強化樹脂成形品は、極めて高い機械的強度、極めて高い耐熱性、及び、より優れた成形加工時の加工性をより確実に備え、さらに、高い長期耐久性を備える。
本実施形態のガラス繊維強化樹脂成形品において、ガラス繊維の繊維径Dが、3.0μm未満であると、ガラス繊維及びガラス繊維強化樹脂成形品の製造工程において製造者の健康に悪影響を与えることが懸念される。一方、ガラス繊維の繊維径Dが、12.0μm超であると、十分な機械的強度を備えるガラス繊維強化樹脂成形品を得ることができない。
また、本実施形態のガラス繊維強化樹脂成形品において、前記D、L及びVは、下記式(3)を満たすことがさらに好ましい。D2×L/Vが下記式(3)を満たすことで、ガラス繊維強化樹脂成形品は、より高い機械的強度、より高い耐熱性、及び、より優れた成形加工時の加工性を備え、さらに高い長期耐久性を備える。
また、本実施形態のガラス繊維強化樹脂成形品において、前記D、L及びVは、下記式(5)を満たすことが特に好ましい。D2×L/Vが下記式(5)を満たすことで、ガラス繊維強化樹脂成形品は、極めて高い機械的強度、極めて高い耐熱性、及び、より優れた成形加工時の加工性を備え、さらに高い長期耐久性を備える。
本実施形態のガラス繊維強化樹脂成形品において、前記D、L及びVは、下記式(6)を満たすことが好ましい。D4/5×L2/(1000×V2/3)が下記式(6)を満たすことで、より高い機械的強度、より高い耐熱性、及び、より優れた成形加工時の加工性を備え、さらに高い長期耐久性を備える。
本実施形態のガラス繊維強化樹脂成形品において、前記D、L及びVは、下記式(4)を満たすことが特に好ましい。D4/5×L2/(1000×V2/3)が下記式(4)を満たすことで、ガラス繊維強化樹脂成形品は、極めて高い機械的強度、極めて高い耐熱性、及び、より優れた成形加工時の加工性をより確実に備え、さらに高い長期耐久性を備える。
本実施形態のガラス繊維強化樹脂成形品において、ガラス繊維の断面形状(通常、ガラス繊維は複数本のガラスフィラメントが集束されて構成されており、このガラスフィラメントの断面形状をガラス繊維の断面形状という)は特に限定されない。本実施形態のガラス繊維強化樹脂成形品において、ガラス繊維がとりうる断面形状(すなわち、ガラスフィラメントがとりうる断面形状)としては、真円形、楕円形、長円形を挙げることができる。ガラス繊維の断面形状が楕円形又は長円形である場合、断面形状の短径に対する長径の比(長径/短径)は、例えば、2.0~10.0の範囲にある。ガラス繊維強化樹脂成形品の機械的強度を向上させるという観点からは、ガラス繊維の断面形状は、長円形であることが好ましく、断面形状の短径に対する長径の比は、2.2~6.0であることが好ましい。
まず、ガラス繊維強化樹脂成形品におけるガラス繊維の繊維径、ガラス繊維の数平均繊維長及びガラス繊維体積含有率が、表1又は表2に示される実施例1~6及び比較例1~5となるように、ガラス繊維径、切断長(通常、1~5mm程度)及び配合量を調整したEガラス組成のガラスチョップドストランド(ガラスフィラメントが複数本集束されて形成された、ガラスストランドを所定の長さに切断したもの)と、ポリアミド樹脂PA66(旭化成(株)製、商品名:レオナ1300S)とを、二軸混練機(東芝機械(株)製、商品名:TEM-26SS)にて混練し、樹脂ペレットを作製した。次に、得られた樹脂ペレットを用い、射出成形機(日清樹脂工業(株)製、商品名:NEX80)により射出成形を行い、JIS K 7054に準じたA型ダンベル試験片(厚さ4mm)を作製し、試験片とした。
前記試験片について、試験温度23℃の条件で、精密万能試験機((株)島津製作所製、商品名:オートグラフAG-5000B)を用いて、JIS K 7054に準拠した静的引張試験を行い、引張強度を測定した。
前記試験片について、試験応力1.8MPa、昇温速度120℃/hの条件で、ヒートディストーションテスター(商品名、(株)安田精機製作所製、型式:148-HD500)を用いて、JIS K 7191に準拠したフラットワイズにおける荷重たわみ温度を測定した。
前記試験片について、試験温度23℃、応力比0.1、周波数10Hzの条件で、油圧サーボ式強度試験機((株)島津製作所製、商品名:島津サーボパルサEHF-EV020K1-020-1A形)を用いて、JIS K 7118に準拠した引張疲労試験を行い、繰り返し回数107における疲労強度を測定した。
前記試験片について、試験温度23℃の条件で、万能試験機(インテスコ社製)を用いて、JIS K 7115に準拠した引張クリープラプチャー試験を行い、静的応力の60~90%の応力範囲におけるクリープ破断時間を測定した。その結果から対数近似にてクリープラプチャー曲線を取得し、応力負荷1000時間におけるクリープ破壊強度を算出した。
混練時及び成形時における作業状況に応じて、加工性を以下の基準にて評価した。◎:混練時及び成形時に問題なく製造可能。○:混練時には問題ないが、成形時にホッパー部でブリッジが発生し、製造者の補助が必要となる。×:混練時のカット部で詰まりが発生し、製造者の補助が必要となり、かつ、成形時にホッパー部でブリッジが発生し、製造者の補助が必要となる。
また、実施例1に示されるガラス繊維強化樹脂成形品は、高い長期耐久性(疲労強度78MPa以上、かつ、応力負荷1000時間におけるクリープ破壊強度114MPa以上)備える。
[実施例5、比較例6~7]
まず、ガラス繊維強化樹脂成形品におけるガラス繊維の繊維径、ガラス繊維の数平均繊維長及びガラス繊維体積含有率が、表3に示される実施例7及び比較例6~7となるように、ガラス繊維径、切断長(通常、1~5mm程度)及び配合量を調整した、高弾性率易製造性ガラス組成に属するガラス組成(ガラス繊維の全量に対し59.4質量%のSiO2と、18.9質量%のAl2O3と、9.9質量%のMgOと、11.1質量%のCaOと、0.5質量%のB2O3とを含み、Na2O及びFe2O3を合計で0.2質量%含むガラス組成)のガラスチョップドストランドと、ポリアミド樹脂PA66(旭化成(株)製、商品名:レオナ1300S)とを、二軸混練機(東芝機械(株)製、商品名:TEM-26SS)にて混練し、樹脂ペレットを作製した。次に、得られた樹脂ペレットを用い、射出成形機(日清樹脂工業(株)製、商品名:NEX80)により射出成形を行い、JIS K 7054に準じたA型ダンベル試験片(厚さ4mm)を作製し、試験片とした。
Claims (4)
- ガラス繊維強化樹脂成形品であって、前記ガラス繊維強化樹脂成形品に含まれるガラス繊維の繊維径D(μm)が3.0~12.0μmの範囲にあり、ガラス繊維強化樹脂成形品に含まれるガラス繊維の数平均繊維長L(μm)が160~350μmの範囲にあり、ガラス繊維強化樹脂成形品におけるガラス繊維体積含有率V(%)が3.0~50.0%の範囲にあり、前記D、L及びVが下記式(1)を満たすことを特徴とするガラス繊維強化樹脂成形品。
300.0 ≦ D2×L/V ≦ 1000.0 ・・・(1) - 前記Dが3.5~10.5μmの範囲にあり、前記Lが180~260μmの範囲にあり、前記Vが5.0~30.0%の範囲にあり、前記D、L及びVが下記式(2)を満たすことを特徴とする請求項1に記載のガラス繊維強化樹脂成形品。
350.0 ≦ D2×L/V ≦ 800.0 ・・・(2) - 前記Dが4.0~7.5μmの範囲にあり、前記Lが195~225μmの範囲にあり、前記Vが6.0~25.0%の範囲にあり、前記D、L及びVが下記式(3)を満たすことを特徴とする請求項1又は2に記載のガラス繊維強化樹脂成形品。
400.0 ≦ D2×L/V ≦ 700.0 ・・・(3) - 前記Dが4.5~7.0μmの範囲にあり、前記Lが200~223μmの範囲にあり、前記Vが10.0~20.0%の範囲にあり、前記D、L及びVが下記式(4)を満たすことを特徴とする請求項1から3のいずれか1項に記載のガラス繊維強化樹脂成形品。
29.7 ≦ D4/5×L2/(1000×V2/3) ≦ 34.8 ・・・(4)
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EP18761920.0A EP3536736B1 (en) | 2017-10-06 | 2018-06-11 | Glass fiber reinforced resin molded article |
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CN109735020A (zh) * | 2018-12-14 | 2019-05-10 | 郑州宝易信息科技有限公司 | 一种具有优良力学性能的塑钢门窗型材及其制备方法 |
WO2019216443A2 (ja) | 2019-02-27 | 2019-11-14 | 日東紡績株式会社 | ガラス繊維強化樹脂成形品 |
WO2020137004A1 (ja) | 2018-12-27 | 2020-07-02 | 日東紡績株式会社 | ガラス繊維強化樹脂成形品 |
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US20220380577A1 (en) * | 2020-02-06 | 2022-12-01 | Nitto Boseki Co., Ltd. | Glass-fiber-reinforced resin composition and molded glass-fiber-reinforced resin article |
JP2021003899A (ja) * | 2020-10-08 | 2021-01-14 | 日東紡績株式会社 | ガラス繊維強化樹脂成形品 |
CN113150330B (zh) * | 2021-05-25 | 2022-09-16 | 九江市磐泰复合材料有限公司 | 一种玻璃纤维增强聚氯乙烯材料的制备方法 |
US20230192991A1 (en) * | 2021-05-31 | 2023-06-22 | Nitto Boseki Co., Ltd. | Glass fiber-reinforced resin molded article |
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- 2018-06-11 CN CN201880064768.1A patent/CN111183174B/zh active Active
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CN109735020A (zh) * | 2018-12-14 | 2019-05-10 | 郑州宝易信息科技有限公司 | 一种具有优良力学性能的塑钢门窗型材及其制备方法 |
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KR20200121897A (ko) | 2018-12-27 | 2020-10-26 | 니토 보세키 가부시기가이샤 | 유리 섬유 강화 수지 성형품 |
KR102283574B1 (ko) | 2018-12-27 | 2021-07-29 | 니토 보세키 가부시기가이샤 | 유리 섬유 강화 수지 성형품 |
US11091596B2 (en) | 2018-12-27 | 2021-08-17 | Nitto Boseki Co., Ltd. | Glass fiber-reinforced resin molded article |
WO2019216443A2 (ja) | 2019-02-27 | 2019-11-14 | 日東紡績株式会社 | ガラス繊維強化樹脂成形品 |
KR20210091278A (ko) | 2019-02-27 | 2021-07-21 | 니토 보세키 가부시기가이샤 | 유리 섬유 강화 수지 성형품 |
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US20200102431A1 (en) | 2020-04-02 |
WO2018159861A3 (ja) | 2018-11-01 |
JP6512376B2 (ja) | 2019-05-15 |
CN111183174B (zh) | 2022-10-04 |
EP3536736B1 (en) | 2022-01-26 |
KR20200062276A (ko) | 2020-06-03 |
CN111183174A (zh) | 2020-05-19 |
KR102463000B1 (ko) | 2022-11-03 |
EP3536736A2 (en) | 2019-09-11 |
TWI693247B (zh) | 2020-05-11 |
EP3536736A4 (en) | 2020-04-15 |
JPWO2018159861A1 (ja) | 2019-03-07 |
TW201915055A (zh) | 2019-04-16 |
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