CN116515275A - Chopped glass fiber plastic alloy and preparation method thereof - Google Patents
Chopped glass fiber plastic alloy and preparation method thereof Download PDFInfo
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- CN116515275A CN116515275A CN202310613985.4A CN202310613985A CN116515275A CN 116515275 A CN116515275 A CN 116515275A CN 202310613985 A CN202310613985 A CN 202310613985A CN 116515275 A CN116515275 A CN 116515275A
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- 239000003365 glass fiber Substances 0.000 title claims abstract description 101
- 229920003023 plastic Polymers 0.000 title claims abstract description 47
- 239000004033 plastic Substances 0.000 title claims abstract description 47
- 239000000956 alloy Substances 0.000 title claims abstract description 46
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims description 33
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 33
- 239000000314 lubricant Substances 0.000 claims abstract description 28
- 239000002131 composite material Substances 0.000 claims abstract description 24
- -1 polybutylene terephthalate Polymers 0.000 claims abstract description 21
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 239000002667 nucleating agent Substances 0.000 claims abstract description 17
- 229920001195 polyisoprene Polymers 0.000 claims abstract description 16
- 239000012745 toughening agent Substances 0.000 claims abstract description 15
- 239000004417 polycarbonate Substances 0.000 claims abstract description 6
- 229920001707 polybutylene terephthalate Polymers 0.000 claims abstract description 5
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 5
- 239000004952 Polyamide Substances 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 4
- 229920002492 poly(sulfone) Polymers 0.000 claims abstract description 4
- 229920002647 polyamide Polymers 0.000 claims abstract description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 15
- 150000002475 indoles Chemical class 0.000 claims description 14
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000010687 lubricating oil Substances 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000013329 compounding Methods 0.000 claims description 10
- 229920001577 copolymer Polymers 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 8
- 229940054051 antipsychotic indole derivative Drugs 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- VUIMBZIZZFSQEE-UHFFFAOYSA-N 1-(1h-indol-3-yl)ethanone Chemical compound C1=CC=C2C(C(=O)C)=CNC2=C1 VUIMBZIZZFSQEE-UHFFFAOYSA-N 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 150000002903 organophosphorus compounds Chemical class 0.000 claims description 6
- DCQBZYNUSLHVJC-UHFFFAOYSA-N 3-triethoxysilylpropane-1-thiol Chemical compound CCO[Si](OCC)(OCC)CCCS DCQBZYNUSLHVJC-UHFFFAOYSA-N 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 108010009736 Protein Hydrolysates Proteins 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 5
- QYMGIIIPAFAFRX-UHFFFAOYSA-N butyl prop-2-enoate;ethene Chemical compound C=C.CCCCOC(=O)C=C QYMGIIIPAFAFRX-UHFFFAOYSA-N 0.000 claims description 5
- 239000007822 coupling agent Substances 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 5
- 229920006245 ethylene-butyl acrylate Polymers 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000000413 hydrolysate Substances 0.000 claims description 5
- PFNROQCAJVOSIR-UHFFFAOYSA-N oxiran-2-ylmethyl 2-methylprop-2-enoate;5-phenylpenta-2,4-dienenitrile Chemical compound CC(=C)C(=O)OCC1CO1.N#CC=CC=CC1=CC=CC=C1 PFNROQCAJVOSIR-UHFFFAOYSA-N 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 229920002545 silicone oil Polymers 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 230000007480 spreading Effects 0.000 claims description 5
- 238000003892 spreading Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 claims description 4
- DWAQDRSOVMLGRQ-UHFFFAOYSA-N 5-methoxyindole Chemical compound COC1=CC=C2NC=CC2=C1 DWAQDRSOVMLGRQ-UHFFFAOYSA-N 0.000 claims description 4
- 229920000147 Styrene maleic anhydride Polymers 0.000 claims description 4
- ZOAMBXDOGPRZLP-UHFFFAOYSA-N indole-3-acetamide Chemical compound C1=CC=C2C(CC(=O)N)=CNC2=C1 ZOAMBXDOGPRZLP-UHFFFAOYSA-N 0.000 claims description 4
- 229920005604 random copolymer Polymers 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- RNTCWULFNYNFGI-UHFFFAOYSA-N 1-(2,3-dihydroindol-1-yl)ethanone Chemical compound C1=CC=C2N(C(=O)C)CCC2=C1 RNTCWULFNYNFGI-UHFFFAOYSA-N 0.000 claims description 3
- ROKSAUSPJGWCSM-UHFFFAOYSA-N 2-(7,7-dimethyl-4-bicyclo[3.1.1]hept-3-enyl)ethanol Chemical compound C1C2C(C)(C)C1CC=C2CCO ROKSAUSPJGWCSM-UHFFFAOYSA-N 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 3
- YTBNTDMBGXAOCG-UHFFFAOYSA-N ethyl 5-hydroxy-1,2-dimethylindole-3-carboxylate Chemical compound C1=C(O)C=C2C(C(=O)OCC)=C(C)N(C)C2=C1 YTBNTDMBGXAOCG-UHFFFAOYSA-N 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 238000005469 granulation Methods 0.000 claims description 3
- 159000000003 magnesium salts Chemical class 0.000 claims description 3
- 229920001955 polyphenylene ether Polymers 0.000 claims description 3
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 2
- 229920001897 terpolymer Polymers 0.000 claims description 2
- 150000003751 zinc Chemical class 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 8
- 229920005989 resin Polymers 0.000 abstract description 7
- 239000011347 resin Substances 0.000 abstract description 7
- 239000011159 matrix material Substances 0.000 abstract description 4
- 229920001169 thermoplastic Polymers 0.000 abstract description 4
- 239000004416 thermosoftening plastic Substances 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 229920013636 polyphenyl ether polymer Polymers 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 10
- 238000001723 curing Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012779 reinforcing material Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000011157 advanced composite material Substances 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 238000007385 chemical modification Methods 0.000 description 2
- 125000004050 enoyl group Chemical group 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical group [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011325 microbead Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- GKZKFYQHCPQNNG-UHFFFAOYSA-N propane-1,1-diol;hydrochloride Chemical compound Cl.CCC(O)O GKZKFYQHCPQNNG-UHFFFAOYSA-N 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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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
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
- C08L71/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
- C08L71/12—Polyphenylene oxides
-
- 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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
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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
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/06—Polysulfones; Polyethersulfones
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/262—Alkali metal carbonates
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/24—Crystallisation aids
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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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)
- Reinforced Plastic Materials (AREA)
Abstract
The invention discloses a chopped glass fiber plastic alloy which is prepared from the following raw materials in parts by weight: 45-60 parts of thermoplastic resin, 20-30 parts of chopped glass fiber, 1-10 parts of composite lubricant, 1-10 parts of maleic anhydride grafted polyisoprene, 0.1-1 part of nucleating agent, 0.1-1 part of toughening agent and 1-10 parts of compatilizer. The thermoplastic resin is one or more of polyphenyl ether, polymethyl methacrylate, polyamide, polycarbonate, polysulfone and polybutylene terephthalate; the thermoplastic resin is fibrous, particulate or liquid. In the invention, the chopped glass fibers are continuous in the plastic alloy material without breakage, so that the outstanding high strength and high rigidity of the material are ensured; and because the matrix resin is thermoplastic, the plastic alloy material is endowed with excellent high-low temperature impact toughness, has strong impact load absorption capability, and has very high impact strength especially at low temperature.
Description
Technical Field
The invention relates to the technical field of plastic alloys, in particular to a chopped glass fiber plastic alloy and a preparation method thereof.
Background
Glass fiber is an inorganic nonmetallic material with excellent performance, various kinds of glass fiber have the advantages of high strength, good thermoplasticity, chemical corrosion resistance, excellent electrical performance, good mechanical performance and the like, and is generally used as a reinforcing material in composite materials, an electric insulating material, a heat insulation material, a circuit substrate and other fields of national economy, and the glass fiber is a very good metal material substitute material, so that the glass fiber becomes an indispensable raw material in industries such as building, traffic, electronics, communication, electrical, chemical industry, automobiles, aviation, national defense and the like along with rapid development of market economy.
Glass fibers have been used as reinforcing materials in plastics on a very large scale and can be used to reinforce rubber, reinforced cement and other products. The use is so extensive that the demand for glass fiber reinforced plastics increases considerably as the infrastructure is strengthened and retrofitted. The thermoplastic composite material is a composite material produced by using a thermoplastic resin as a matrix and using various fibers as a reinforcing material. Such as PC, ABS, PP, PA, PBT, etc., belong to the thermoplastic resins.
Conventionally, glass fibers used include long glass fibers and short glass fibers, and based on the characteristics of the molecular structure of polycarbonate resin, the added long glass fibers have poor dispersibility in polycarbonate, glass fibers are easy to leak out, and a fiber floating phenomenon occurs in products. The preparation method of the plastic alloy at the present stage is a traditional static curing method, and is that resin monomers, glass fibers and curing agents are uniformly mixed and then are subjected to static curing molding under a certain temperature condition. Not only is this process inefficient in its preparation, glass fibers as an inorganic material have poor interfacial compatibility with the resin, which results in glass fibers that need to be modified to prevent agglomeration in the resin. In addition, by adopting a static curing method, the glass fiber and the resin are easy to infiltrate insufficiently, so that gaps are formed, and the mechanical properties are reduced.
Accordingly, the inventor has the problem of providing a chopped glass fiber plastic alloy and a preparation method thereof, which are researched and improved aiming at the prior art and the defects, so as to achieve the purpose of having more practical value.
Disclosure of Invention
In order to solve the problems mentioned in the background art, the invention provides a chopped glass fiber plastic alloy and a preparation method thereof.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the chopped glass fiber plastic alloy is prepared from the following raw materials in parts by weight:
45-60 parts of thermoplastic resin, 20-30 parts of chopped glass fiber, 1-10 parts of composite lubricant, 1-10 parts of maleic anhydride grafted polyisoprene, 0.1-1 part of nucleating agent, 0.1-1 part of toughening agent and 1-10 parts of compatilizer.
Preferably, the thermoplastic resin is one or more of polyphenyl ether, polymethyl methacrylate, polyamide, polycarbonate, polysulfone and polybutylene terephthalate;
the thermoplastic resin is fibrous, particulate or liquid.
Preferably, the preparation method of the chopped glass fibers comprises the following steps:
s1, heat treatment: spreading chopped glass fiber in a high temperature container, heating to 490-510 deg.C, maintaining for 5-10min, and decomposing wax on the surface;
s2, coupling treatment: dissolving a proper amount of silane coupling agent in distilled water to prepare a coupling agent aqueous solution with the mass fraction of 8-12%, adjusting the pH value of an aminosiloxane solution to be about 11 due to the hydrolysis reaction of silane, adjusting the pH value of the solution by acetic acid to enable the pH value to be 7, putting the solution into a baking oven with the temperature of 100-120 ℃, evaporating water to obtain a hydrolysate, then uniformly spraying the hydrolysate on the surface of chopped glass fibers, and drying for later use;
s3, uniformly mixing 60-70 parts by weight of the chopped glass fibers treated in the S2, 15-25 parts by weight of indole derivatives, 10-30 parts by weight of hydroxypropyl nopol hydrochloride and 80-90 parts by weight of ethylene glycol, stirring at 55-65 ℃ for reacting for 2-3 hours, taking out chopped fiber filaments, and drying to obtain the modified chopped glass fibers.
The chopped glass fiber is subjected to chemical modification, and then is fully mixed with thermoplastic resin and maleic anhydride grafted polyisoprene, and other auxiliary agents are added to form an advanced composite material with excellent performance; the chopped glass fiber is firstly subjected to heat treatment and coupling treatment, and then subjected to modification by indole derivatives and hydroxypropanol hydrochloride, so that the surface and internal gaps of the chopped glass fiber contain a large number of active atoms, such as N, O, and the active atoms can be better combined and solidified with thermoplastic resin and maleic anhydride grafted polyisoprene, thereby improving the interlayer shear strength and friction performance of the plastic alloy.
The modified chopped glass fiber has extremely low alkali content and weak hydrolyzability, and the surface of the glass fiber does not absorb a large amount of various gases, water vapor, dust and the like, so that the adhesive force between the chopped glass fiber and thermoplastic resin is greatly improved.
Because the chopped glass fibers are continuous and have no breakage in the plastic alloy material, the outstanding high strength and high rigidity of the material are ensured; and because the matrix resin is thermoplastic, the plastic alloy material is endowed with excellent high-low temperature impact toughness, has strong impact load absorption capability, and has very high impact strength especially at low temperature.
Preferably, the indole derivative is one or more of 3-acetylindole, 3-indoleacetamide, ethyl 1, 2-dimethyl-5-hydroxy-3-indolecarboxylate, 5-methoxyindole and N-acetylindoline.
Preferably, the chopped glass fibers have a diameter of 5-15 μm and a fiber length of 2-5mm;
the composite lubricant is formed by compounding a solid lubricant and a liquid lubricant according to the mass ratio of 1:1.5-2.5, wherein the solid lubricant is formed by compounding polytetrafluoroethylene, graphite and polyethylene wax according to the mass ratio of 1-1.5:1.2-2.0:2.5-3, and the liquid lubricant is organic silicone oil;
the composite lubricant has excellent wear resistance, the solid lubricant forms a transfer film on the surface, the liquid lubricant is uniformly distributed in a micro-bead state, and a layer of long-lasting lubricating oil film is formed on the surface, so that the adhesion of materials to equipment is prevented, and the demolding effect of the composite lubricant is effectively improved.
Preferably, the silane coupling agent is one or more of 3-mercaptopropyl triethoxysilane, gamma- (methacryloyloxy) propyl trimethoxysilane and methacryloyloxyethyl dimethyl 3- (trimethoxysilylpropyl) ammonium chloride.
Preferably, the nucleating agent is one or more of talcum powder, calcium carbonate, sodium bicarbonate, aromatic hydroxyl sulfonate, magnesium salt of an organic phosphorus compound and zinc salt of the organic phosphorus compound;
the invention adjusts the phase structure of thermoplastic resin and maleic anhydride grafted polyisoprene through the nucleating agent, keeps the dominant properties of the two components at a higher level, achieves the effect of component advantage complementation, and simultaneously ensures the outstanding high strength and high rigidity of the composite material by adding the modified chopped glass fibers, and can well improve the impact property of the composite material.
Preferably, the toughening agent is one or more of methyl methacrylate-butadiene-styrene copolymer, ethylene-butyl acrylate copolymer, ethylene-acrylic ester-glycidyl methacrylate terpolymer and maleic anhydride functionalized ethylene-vinyl acetate copolymer.
Preferably, the compatibilizer is at least one of methacrylate-acrylate copolymer, styrene-maleic anhydride random copolymer, and styrene-acrylonitrile-glycidyl methacrylate.
The preparation method of the chopped glass fiber plastic alloy further comprises the following steps:
s1, taking the raw materials in parts by weight, putting the raw materials into a high-speed mixer, and fully and uniformly mixing the raw materials to obtain a mixture;
s2, adding the mixture obtained in the step S1 into a double-screw extruder for extrusion granulation, and controlling the feeding speed to be 20-35kg/h and the rotating speed of a screw to be 200-400r/min to obtain the chopped glass fiber plastic alloy.
Compared with the prior art, the invention has the beneficial effects that:
1. the chopped glass fiber is subjected to chemical modification, and then is fully mixed with thermoplastic resin and maleic anhydride grafted polyisoprene, and other auxiliary agents are added to form an advanced composite material with excellent performance; the chopped glass fiber is firstly subjected to heat treatment and coupling treatment, and then subjected to modification by indole derivatives and hydroxypropionol hydrochloride, so that the surface and internal gaps of the chopped glass fiber contain a large number of active atoms, such as N, O, and the active atoms can be better combined and solidified with thermoplastic resin and maleic anhydride grafted polyisoprene, thereby improving the interlayer shear strength and friction performance of the plastic alloy;
2. in the invention, the chopped glass fibers are continuous in the plastic alloy material without breakage, so that the outstanding high strength and high rigidity of the material are ensured; and because the matrix resin is thermoplastic, the plastic alloy material is endowed with excellent high-low temperature impact toughness, has strong impact load absorption capability, and has very high impact strength especially at low temperature.
3. The invention adjusts the phase structure of thermoplastic resin and maleic anhydride grafted polyisoprene through the nucleating agent, keeps the dominant properties of the two components at a higher level, achieves the effect of component advantage complementation, and simultaneously ensures the outstanding high strength and high rigidity of the composite material by adding the modified chopped glass fibers, and can well improve the impact property of the composite material.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Preparation example 1
The preparation method of the chopped glass fiber comprises the following steps:
s1, heat treatment: spreading chopped glass fiber in a high-temperature container, heating to 500 ℃, preserving heat for 8min, and decomposing wax on the surface of the chopped glass fiber;
s2, coupling treatment: dissolving a proper amount of silane coupling agent in distilled water, preparing a coupling agent aqueous solution with the mass fraction of 10%, regulating the pH value of the solution by acetic acid to ensure that the pH value is 7, putting the solution into a baking oven at 110 ℃, evaporating water to obtain a hydrolysate, then uniformly spraying the hydrolysate on the surface of chopped glass fibers, and drying for later use;
and S3, uniformly mixing 65 parts by weight of the chopped glass fibers treated in the S2, 20 parts by weight of indole derivatives, 20 parts by weight of hydroxypropyl enoyl hydrochloride and 85 parts by weight of ethylene glycol, stirring at 60 ℃ for reaction for 2.5 hours, taking out the chopped glass fibers, and drying to obtain the modified chopped glass fibers.
Preparation example 2
The preparation method of the chopped glass fiber comprises the following steps:
s1, heat treatment: spreading chopped glass fiber in a high-temperature container, heating to 490 ℃, preserving heat for 5min, and decomposing wax on the surface of the chopped glass fiber;
s2, coupling treatment: dissolving a proper amount of silane coupling agent in distilled water, preparing a coupling agent aqueous solution with the mass fraction of 8%, regulating the pH value of the solution by acetic acid to ensure that the pH value is 7, putting the solution into a baking oven at the temperature of 100 ℃, evaporating water to obtain a hydrolysate, then uniformly spraying the hydrolysate on the surface of chopped glass fibers, and drying for later use;
and S3, uniformly mixing 60 parts by weight of the chopped glass fibers treated in the S2, 15 parts by weight of indole derivatives, 10 parts by weight of hydroxypropyl nopol hydrochloride and 80 parts by weight of ethylene glycol, stirring at 55 ℃ for reaction for 2 hours, taking out the chopped glass fibers, and drying to obtain the modified chopped glass fibers.
Preparation example 3
The preparation method of the chopped glass fiber comprises the following steps:
s1, heat treatment: spreading chopped glass fiber in a high-temperature container, heating to 510 ℃, preserving heat for 10min, and decomposing wax on the surface of the chopped glass fiber;
s2, coupling treatment: dissolving a proper amount of silane coupling agent in distilled water, preparing a coupling agent aqueous solution with the mass fraction of 12%, regulating the pH value of the solution by acetic acid to ensure that the pH value is 7, putting the solution into a baking oven with the temperature of 120 ℃, evaporating water to obtain a hydrolysate, then uniformly spraying the hydrolysate on the surface of chopped glass fibers, and drying for later use;
and S3, uniformly mixing 70 parts by weight of the chopped glass fibers treated in the S2, 25 parts by weight of indole derivatives, 30 parts by weight of hydroxypropyl enoyl hydrochloride and 90 parts by weight of ethylene glycol, stirring at 65 ℃ for reaction for 2-3 hours, taking out the chopped glass fibers, and drying to obtain the modified chopped glass fibers.
Preparation example 4
The composite lubricant is formed by compounding a solid lubricant and a liquid lubricant according to the mass ratio of 1:2, wherein the solid lubricant is formed by compounding polytetrafluoroethylene, graphite and polyethylene wax according to the mass ratio of 1.2:1.6:2.7, and the liquid lubricant is organic silicone oil.
Preparation example 5
The composite lubricant is formed by compounding a solid lubricant and a liquid lubricant according to the mass ratio of 1:1.5, wherein the solid lubricant is formed by compounding polytetrafluoroethylene, graphite and polyethylene wax according to the mass ratio of 1:1.2:2.5, and the liquid lubricant is organic silicone oil.
Preparation example 6
The composite lubricant is formed by compounding a solid lubricant and a liquid lubricant according to the mass ratio of 1:2.5, wherein the solid lubricant is formed by compounding polytetrafluoroethylene, graphite and polyethylene wax according to the mass ratio of 1.5:2.0:3, and the liquid lubricant is organic silicone oil.
Example 1
The chopped glass fiber plastic alloy is prepared from the following raw materials in parts by weight:
52 parts of thermoplastic resin, 25 parts of chopped glass fibers prepared in preparation example 1, 5 parts of composite lubricant prepared in preparation example 4, 5 parts of maleic anhydride grafted polyisoprene, 0.5 part of nucleating agent, 0.5 part of toughening agent and 5 parts of compatilizer.
The thermoplastic resin is polyphenyl ether;
the thermoplastic resin is fibrous.
The indole derivative is 1, 2-dimethyl-5-hydroxy-3-indolecarboxylic acid ethyl ester.
The silane coupling agent is 3-mercaptopropyl triethoxysilane.
The nucleating agent is aromatic hydroxyl sulfonate.
The toughening agent is methyl methacrylate-butadiene-styrene copolymer.
The compatilizer is a methacrylate-acrylate copolymer.
The preparation method of the chopped glass fiber plastic alloy further comprises the following steps:
s1, taking the raw materials in parts by weight, putting the raw materials into a high-speed mixer, and fully and uniformly mixing the raw materials to obtain a mixture;
s2, adding the mixture obtained in the step S1 into a double-screw extruder for extrusion granulation, and controlling the feeding speed to be 20-35kg/h and the rotating speed of a screw to be 200-400r/min to obtain the chopped glass fiber plastic alloy.
Example 2
The difference between the embodiment and the embodiment 1 is that the chopped glass fiber plastic alloy is prepared from the following raw materials in parts by weight:
52 parts of thermoplastic resin, 25 parts of chopped glass fibers prepared in preparation example 2, 5 parts of composite lubricant prepared in preparation example 5, 5 parts of maleic anhydride grafted polyisoprene, 0.5 part of nucleating agent, 0.5 part of toughening agent and 5 parts of compatilizer;
other undescribed structures refer to embodiment 1.
Example 3
The difference between the embodiment and the embodiment 1 is that the chopped glass fiber plastic alloy is prepared from the following raw materials in parts by weight:
52 parts of thermoplastic resin, 25 parts of chopped glass fibers prepared in preparation example 3, 5 parts of composite lubricant prepared in preparation example 6, 5 parts of maleic anhydride grafted polyisoprene, 0.5 part of nucleating agent, 0.5 part of toughening agent and 5 parts of compatilizer;
other undescribed structures refer to embodiment 1.
Example 4
The difference between the embodiment and the embodiment 1 is that the chopped glass fiber plastic alloy is prepared from the following raw materials in parts by weight:
45 parts of thermoplastic resin, 20 parts of chopped glass fibers prepared in preparation example 1, 1 part of composite lubricant prepared in preparation example 3, 1 part of maleic anhydride grafted polyisoprene, 0.1 part of nucleating agent, 0.1 part of toughening agent and 1 part of compatilizer;
other undescribed structures refer to embodiment 1.
Example 5
The difference between the embodiment and the embodiment 1 is that the chopped glass fiber plastic alloy is prepared from the following raw materials in parts by weight:
60 parts of thermoplastic resin, 30 parts of chopped glass fibers prepared in preparation example 1, 10 parts of composite lubricant prepared in preparation example 3, 10 parts of maleic anhydride grafted polyisoprene, 1 part of nucleating agent, 1 part of toughening agent and 10 parts of compatilizer;
other undescribed structures refer to embodiment 1.
Example 6
This example differs from example 1 in that the thermoplastic resin is a combination of polyphenylene ether and polymethyl methacrylate;
the thermoplastic resin is in a granular shape;
the indole derivative is a combination of 3-acetylindole and 3-indoleacetamide.
The silane coupling agent is a combination of 3-mercaptopropyl triethoxysilane and gamma- (methacryloyloxy) propyl trimethoxysilane.
The nucleating agent is calcium carbonate.
The toughening agent is an ethylene-butyl acrylate copolymer.
The compatilizer is styrene-acrylonitrile-glycidyl methacrylate.
Other undescribed structures refer to embodiment 1.
Example 7
This example differs from example 1 in that the thermoplastic resin is a combination of polyphenylene ether and polyamide;
the thermoplastic resin is fibrous;
the indole derivative is 5-methoxyindole.
The silane coupling agent is methacryloxyethyl dimethyl 3- (trimethoxysilylpropyl) ammonium chloride.
The nucleating agent is a combination of sodium carbonate and sodium bicarbonate.
The toughening agent is a methyl methacrylate-butadiene-styrene copolymer and ethylene-butyl acrylate copolymer combination.
The compatilizer is a styrene-maleic anhydride random copolymer.
Other undescribed structures refer to embodiment 1.
Example 8
This example differs from example 1 in that the thermoplastic resin is a combination of polycarbonate and polysulfone;
the thermoplastic resin is a liquid;
the indole derivative is a combination of 3-indoleacetamide and 5-methoxyindole.
The silane coupling agent is methacryloxyethyl dimethyl 3- (trimethoxysilylpropyl) ammonium chloride.
The nucleating agent is magnesium salt of an organic phosphorus compound.
The toughening agent is methyl methacrylate-butadiene-styrene copolymer.
The compatilizer is a combination of methacrylate-acrylate copolymer and styrene-acrylonitrile-glycidyl methacrylate.
Other undescribed structures refer to embodiment 1.
Example 9
This example differs from example 1 in that the thermoplastic resin is polybutylene terephthalate;
the thermoplastic resin is fibrous;
the indole derivative is a combination of ethyl 1, 2-dimethyl-5-hydroxy-3-indolecarboxylic acid and N-acetyl indoline.
The silane coupling agent is a combination of 3-mercaptopropyl triethoxysilane and methacryloxyethyl dimethyl 3- (trimethoxysilylpropyl) ammonium chloride.
The nucleating agent is zinc salt of an organic phosphorus compound.
The toughening agent is an ethylene-butyl acrylate copolymer.
The compatilizer is a methacrylate-acrylate copolymer, a styrene-maleic anhydride random copolymer and a styrene-acrylonitrile-glycidyl methacrylate combination.
Other undescribed structures refer to embodiment 1.
Comparative example 1
This comparative example differs from example 1 in that 25 parts of the chopped glass fibers prepared in preparation example 1 were replaced with 25 parts of ordinary commercially available chopped glass fibers available from the super engineering materials Co., ltd.
Other undescribed structures refer to embodiment 1.
Comparative example 2
This comparative example is different from example 1 in that the composite lubricant prepared in preparation example 4 was not added.
Other undescribed structures refer to embodiment 1.
Comparative example 3
This comparative example differs from example 1 in that no maleic anhydride grafted polyisoprene was added.
Other undescribed structures refer to embodiment 1.
The tensile strength of the plastic alloy was measured according to GB/T1040.1 standard using an electronic universal material tester at a tensile speed of 50mm/min and a test temperature of 25 ℃.
According to GB/T1843-2008 standard, a cantilever beam impact tester is used for measuring the low-temperature notch impact strength of the plastic alloy, and the test temperature is-20 ℃.
According to GB/T9341-2008 standard, the bending strength of the plastic alloy is measured by using an electronic universal material tester, the pressing speed is 2mm/min, and the testing temperature is 25 ℃.
The heat distortion temperature of the plastic alloy was measured according to GB/T1634-2004 standard using a heat distortion tester (ZWK 1302-1), the sample size being 120mm by 15mm by 10mm, and the temperature rise rate being 120 ℃/h.
Wear resistance: carrying out 5000 times of cyclic tests on the leather plate in a dry state by using a friction color fastness meter, and then representing the difference value of glossiness before and after friction by using a glossiness meter (60 degrees), and representing the wear resistance of the sample plate in the dry state;
the results of the plastic alloy performance tests described in examples 1-9 and comparative examples 1-3 are shown in Table 1:
TABLE 1
In summary, the tensile strength, the notched impact strength of the cantilever beam, the bending strength, the thermal deformation performance and the wear resistance of the chopped glass fiber plastic alloy prepared in the embodiment 1 of the invention are all optimal, and the comprehensive performance is excellent, wherein the tensile strength, the notched impact strength of the cantilever beam, the bending strength and the thermal deformation performance of the prepared plastic alloy are greatly reduced due to the fact that the chopped glass fiber after modification treatment is replaced by the common commercial chopped glass fiber in the comparative embodiment 1; wherein the abrasion resistance of the prepared plastic alloy is greatly reduced in comparative example 2 directly due to the fact that the composite lubricant prepared in preparation example 4 is not added; wherein the comparative example 3 has not had its combination of properties of the plastic alloy prepared as in the example, since no maleic anhydride grafted polyisoprene was added.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The chopped glass fiber plastic alloy is characterized by being prepared from the following raw materials in parts by weight:
45-60 parts of thermoplastic resin, 20-30 parts of chopped glass fiber, 1-10 parts of composite lubricant, 1-10 parts of maleic anhydride grafted polyisoprene, 0.1-1 part of nucleating agent, 0.1-1 part of toughening agent and 1-10 parts of compatilizer.
2. The chopped glass fiber plastic alloy according to claim 1, wherein the thermoplastic resin is one or more of polyphenylene ether, polymethyl methacrylate, polyamide, polycarbonate, polysulfone, polybutylene terephthalate;
the thermoplastic resin is fibrous, particulate or liquid.
3. The chopped glass fiber plastic alloy according to claim 1, wherein the preparation method of the chopped glass fibers comprises the following steps:
s1, heat treatment: spreading chopped glass fiber in a high temperature container, heating to 490-510 deg.C, maintaining for 5-10min, and decomposing wax on the surface;
s2, coupling treatment: dissolving a proper amount of silane coupling agent in distilled water, preparing a coupling agent aqueous solution with the mass fraction of 8-12%, regulating the pH value of the solution by acetic acid to ensure that the pH value is 7, putting the solution into a baking oven with the temperature of 100-120 ℃, evaporating water to obtain a hydrolysate, uniformly spraying the hydrolysate on the surface of chopped glass fibers, and drying for later use;
s3, uniformly mixing 60-70 parts by weight of the chopped glass fibers treated in the S2, 15-25 parts by weight of indole derivatives, 10-30 parts by weight of hydroxypropyl nopol hydrochloride and 80-90 parts by weight of ethylene glycol, stirring at 55-65 ℃ for reacting for 2-3 hours, taking out the chopped glass fibers, and drying to obtain the modified chopped glass fibers.
4. A chopped glass fiber plastic alloy according to claim 3, wherein said indole derivative is one or more of 3-acetylindole, 3-indoleacetamide, 1, 2-dimethyl-5-hydroxy-3-indolecarboxylic acid ethyl ester, 5-methoxyindole, N-acetylindoline.
5. The chopped glass fiber plastic alloy according to claim 3, wherein the composite lubricant is formed by compounding a solid lubricant and a liquid lubricant according to a mass ratio of 1:1.5-2.5, wherein the solid lubricant is formed by compounding polytetrafluoroethylene, graphite and polyethylene wax according to a mass ratio of 1-1.5:1.2-2.0:2.5-3, and the liquid lubricant is organic silicone oil.
6. A chopped glass fiber plastic alloy according to claim 3, wherein the silane coupling agent is one or more of 3-mercaptopropyl triethoxysilane, gamma- (methacryloyloxy) propyl trimethoxysilane, methacryloyloxyethyl dimethyl 3- (trimethoxysilylpropyl) ammonium chloride.
7. The chopped glass fiber plastic alloy according to claim 1, wherein the nucleating agent is one or more of talcum powder, calcium carbonate, sodium bicarbonate, aromatic hydroxy sulfonate, magnesium salt of an organic phosphorus compound and zinc salt of an organic phosphorus compound.
8. The chopped glass fiber plastic alloy according to claim 1, wherein the toughening agent is one or more of methyl methacrylate-butadiene-styrene copolymer, ethylene-butyl acrylate copolymer, ethylene-acrylate-glycidyl methacrylate terpolymer and maleic anhydride functionalized ethylene-vinyl acetate copolymer.
9. The chopped glass fiber plastic alloy according to claim 1, wherein said compatibilizer is at least one of a methacrylate-acrylate copolymer, a styrene-maleic anhydride random copolymer, and a styrene-acrylonitrile-glycidyl methacrylate.
10. A method for preparing a chopped glass fiber plastic alloy according to any one of claims 1-9, further comprising the steps of:
s1, taking the raw materials in parts by weight, putting the raw materials into a high-speed mixer, and fully and uniformly mixing the raw materials to obtain a mixture;
s2, adding the mixture obtained in the step S1 into a double-screw extruder for extrusion granulation, and controlling the feeding speed to be 20-35kg/h and the rotating speed of a screw to be 200-400r/min to obtain the chopped glass fiber plastic alloy.
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