CN108410118B - Antistatic composite material and preparation method thereof - Google Patents
Antistatic composite material and preparation method thereof Download PDFInfo
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- CN108410118B CN108410118B CN201810382576.7A CN201810382576A CN108410118B CN 108410118 B CN108410118 B CN 108410118B CN 201810382576 A CN201810382576 A CN 201810382576A CN 108410118 B CN108410118 B CN 108410118B
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- 239000002131 composite material Substances 0.000 title claims abstract description 73
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000000835 fiber Substances 0.000 claims abstract description 84
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims abstract description 72
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 38
- 239000012760 heat stabilizer Substances 0.000 claims abstract description 24
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 24
- -1 polyoxyethylene Polymers 0.000 claims abstract description 22
- 241000196324 Embryophyta Species 0.000 claims description 64
- 238000002156 mixing Methods 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 claims description 6
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 claims description 6
- 229940124543 ultraviolet light absorber Drugs 0.000 claims description 6
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 4
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 4
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 4
- 244000198134 Agave sisalana Species 0.000 claims description 3
- 240000008564 Boehmeria nivea Species 0.000 claims description 3
- 240000000491 Corchorus aestuans Species 0.000 claims description 3
- 235000011777 Corchorus aestuans Nutrition 0.000 claims description 3
- 235000010862 Corchorus capsularis Nutrition 0.000 claims description 3
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 3
- 239000012965 benzophenone Substances 0.000 claims description 3
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 3
- 239000012964 benzotriazole Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 14
- 230000007613 environmental effect Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 5
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 5
- 239000001257 hydrogen Substances 0.000 abstract description 5
- 229920005610 lignin Polymers 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 239000011159 matrix material Substances 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 abstract description 4
- 239000002861 polymer material Substances 0.000 abstract description 2
- 239000000805 composite resin Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 12
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 11
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 11
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- KAKZBPTYRLMSJV-UHFFFAOYSA-N butadiene group Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical group C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000010525 oxidative degradation reaction Methods 0.000 description 2
- BGHCVCJVXZWKCC-UHFFFAOYSA-N tetradecane Chemical compound CCCCCCCCCCCCCC BGHCVCJVXZWKCC-UHFFFAOYSA-N 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- VOQFZENYFWLTBF-UHFFFAOYSA-N 2,4-ditert-butyl-6-(5-chloro-2H-benzotriazol-4-yl)phenol Chemical compound CC(C)(C)c1cc(c(O)c(c1)C(C)(C)C)-c1c(Cl)ccc2[nH]nnc12 VOQFZENYFWLTBF-UHFFFAOYSA-N 0.000 description 1
- IKEHOXWJQXIQAG-UHFFFAOYSA-N 2-tert-butyl-4-methylphenol Chemical compound CC1=CC=C(O)C(C(C)(C)C)=C1 IKEHOXWJQXIQAG-UHFFFAOYSA-N 0.000 description 1
- LDPIYMXXLHVPNV-UHFFFAOYSA-N [3-[2-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[2-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 2-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound C=1C(C(C)(C)C)=C(O)C(C(C)(C)C)=CC=1C(C)C(=O)OCC(COC(=O)C(C)C=1C=C(C(O)=C(C=1)C(C)(C)C)C(C)(C)C)(COC(=O)C(C)C=1C=C(C(O)=C(C=1)C(C)(C)C)C(C)(C)C)COC(=O)C(C)C1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 LDPIYMXXLHVPNV-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229920006026 co-polymeric resin Polymers 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229920006038 crystalline resin Polymers 0.000 description 1
- GMMWDNXVZHDCMW-UHFFFAOYSA-N decanedioic acid;2,2,6,6-tetramethylpiperidine Chemical compound CC1(C)CCCC(C)(C)N1.CC1(C)CCCC(C)(C)N1.OC(=O)CCCCCCCCC(O)=O GMMWDNXVZHDCMW-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000003017 thermal stabilizer Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
-
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- 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
Abstract
The invention provides an antistatic composite material and a preparation method thereof, and relates to the technical field of high polymer materials. The plant fiber can obviously improve the antistatic effect and the mechanical property of the composite material, does not contain organic volatile matters, and is natural and environment-friendly; the polyoxyethylene, lignin on the plant fiber and the ABS resin form a hydrogen bond network to construct, so that the plant fiber is better dispersed in the ABS matrix; the heat stabilizer and the ultraviolet absorber can effectively reduce the influence of temperature on the composite material. The antistatic composite material has the advantages of good compatibility and mechanical property, static resistance and low organic volatile matter, and can fully meet the continuously expanded application field of composite resin materials and increasingly strict environmental protection requirements.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to an antistatic composite material and a preparation method thereof.
Background
At present, ABS resin is widely applied to the industrial fields of machinery, automobiles, electronic appliances, instruments, textile, buildings and the like, and is thermoplastic engineering plastic with wide application. In the field of automobile industry, ABS resin can be used for shells in and out of automobiles, small parts such as steering wheels, oil guide pipes, handles and buttons, and parts out of automobiles comprise front radiator grilles, lamp shades and the like.
In recent years, with the progress of science and technology, the application field of ABS resin is continuously expanded, and various composite ABS resin products having different functions are continuously appeared in the market. For example, carbon fiber modified ABS composite materials have been successfully applied to automobile side panels, wherein carbon fibers are used as reinforcing agents, and the composite materials with a small amount of carbon fibers can obtain excellent mechanical properties. The automobile using the natural fiber modified composite material has more excellent performance in fuel efficiency. However, the conventional natural fiber reinforced ABS material is mainly added with compatilizers such as maleic anhydride, and the finished product often contains a large amount of organic volatile matters such as toluene, ethylbenzene, styrene, formaldehyde, ethanol, tetradecane and the like which are harmful to the environment. With the increasingly strict environmental requirements, the materials are difficult to pass organic volatile matter tests, and the popularization and application of the ABS composite materials are severely limited.
Therefore, it is necessary and urgent to develop a composite material based on ABS resin, which not only has better compatibility and mechanical property, but also has the advantages of antistatic and low volatile organic compounds, so as to meet the continuously expanding application field of ABS resin and increasingly strict environmental requirements.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention aims to provide an antistatic composite material, which not only has better compatibility and mechanical property, but also has the advantages of static resistance and low organic volatile matter, and can fully meet the continuously expanded application field of ABS resin and increasingly strict environmental protection requirements.
The second purpose of the invention is to provide a preparation method of the antistatic composite material, which has the advantages of simple process, convenient operation, low preparation energy consumption and environmental friendliness in the preparation process.
The invention provides an antistatic composite material which is mainly prepared from the following components in parts by weight: 30-90 parts of ABS resin, 10-30 parts of plant fiber, 3-8 parts of polyoxyethylene, 0.4-0.6 part of heat stabilizer and 0.4-0.6 part of ultraviolet absorber.
Further, the composite material is mainly prepared from the following components in parts by weight: 40-80 parts of ABS resin, 12-28 parts of plant fiber, 4-7 parts of polyoxyethylene, 0.4-0.6 part of heat stabilizer and 0.4-0.55 part of ultraviolet absorber.
Furthermore, the composite material is mainly prepared from the following components in parts by weight: 50-60 parts of ABS resin, 15-25 parts of plant fiber, 4-5 parts of polyoxyethylene, 0.45-0.5 part of heat stabilizer and 0.4-0.5 part of ultraviolet absorber.
Preferably, the composite material is mainly prepared from the following components in parts by weight: 50 parts of ABS resin, 20 parts of plant fiber, 5 parts of polyoxyethylene, 0.5 part of heat stabilizer and 0.5 part of ultraviolet absorber.
Further, the plant fiber is one or a mixture of more of jute fiber, sisal fiber, ramie fiber and noil fiber.
Further, the polyoxyethylene is polyoxyethylene with the molecular weight of 400-500 ten thousand.
Further, the heat stabilizer is one of antioxidant-264, antioxidant-1010, antioxidant-1076, triphenyl phosphite or trisnonylphenyl phosphite.
Further, the ultraviolet absorber is one of benzophenone, benzotriazole or piperidine ultraviolet absorbers.
The invention provides a preparation method of an antistatic composite material, which comprises the following steps:
firstly, respectively drying the ABS resin and the plant fiber at the temperature of 80-90 ℃ for 6-10 hours, then uniformly mixing the dried ABS resin and the plant fiber with other components, carrying out melt blending at the temperature of 175-210 ℃ for 3-8 min, and then sequentially cooling and crushing to obtain the antistatic composite material.
Compared with the prior art, the invention has the beneficial effects that:
the antistatic composite material provided by the invention mainly comprises ABS resin, plant fiber, polyoxyethylene, a heat stabilizer and an ultraviolet absorber. The ABS resin as the main body of the antistatic composite material has the advantages of good mechanical properties of toughness, hardness and rigidity phase balance, good dimensional stability, high impact strength, high surface hardness and the like; the plant fiber as the filler has the advantages of corrosion resistance, abrasion resistance, low temperature resistance and the like, so that the antistatic effect and the mechanical property of the composite material can be obviously improved, meanwhile, the plant fiber does not contain organic volatile matters, is natural and environment-friendly, and can effectively reduce the content of the organic volatile matters of the antistatic composite material so as to meet increasingly strict environment-friendly requirements; the polyoxyethylene not only has good compatibility in the ABS resin, but also can form a hydrogen bond network with lignin on the plant fiber and the ABS resin to construct so as to improve the compatibility of the plant fiber and the ABS, so that the plant fiber is better dispersed in the ABS matrix; the heat stabilizer and the ultraviolet absorber can effectively reduce the influence of temperature on ABS resin and plant fiber, and avoid oxidative degradation after being heated. Therefore, the antistatic composite material has the advantages of good compatibility and mechanical property, static resistance and low organic volatile matter, and can fully meet the continuously expanded application field of ABS resin and increasingly strict environmental protection requirements.
The preparation method of the antistatic composite material comprises the steps of drying ABS resin and plant fiber at the temperature of 80-90 ℃ for 6-10 hours respectively, then uniformly mixing the dried ABS resin and plant fiber with other components, carrying out melt blending at the temperature of 175-210 ℃ for 3-8 min, and then cooling and crushing in sequence to obtain the antistatic composite material. The preparation method has the advantages of simple process, convenient operation, low preparation energy consumption and environmental friendliness in the preparation process.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to one aspect of the invention, the antistatic composite material is mainly prepared from the following components in parts by weight: 30-90 parts of ABS resin, 10-30 parts of plant fiber, 3-8 parts of polyoxyethylene, 0.4-0.6 part of heat stabilizer and 0.4-0.6 part of ultraviolet absorber.
The antistatic composite material of the invention comprises the following components:
ABS resin: refers to acrylonitrile-butadiene-styrene copolymer resins, typically as pale yellow or opalescent pellet non-crystalline resins. A represents acrylonitrile, B represents butadiene, and S represents styrene, organically integrates various properties of acrylonitrile, butadiene and styrene, and has excellent mechanical properties of toughness, hardness and rigidity balance. ABS has the characteristics of no toxicity, no odor, low water absorption, good fluidity, good dimensional stability, higher impact strength and surface hardness in a wider temperature range and the like, and products of the ABS can be colored into various colors and have high glossiness of 90 percent.
In the present invention, typical but non-limiting contents of the above-mentioned ABS resin are: 30 parts, 40 parts, 50 parts, 60 parts, 70 parts, 80 parts or 90 parts.
Compared with synthetic fibers or glass fibers, the plant fibers have the characteristics of low processing energy consumption, small equipment abrasion, high moisture absorption and dissipation speed, antibiosis, corrosion resistance, abrasion resistance, low temperature resistance, environmental protection and the like which are peculiar to the plant fibers, and more importantly, the plant fibers are used as natural fibers and do not generate organic volatile matters either in the plant fibers or in the processing process. Therefore, the invention takes the plant fiber as one of the components, can effectively reduce the content of organic volatile matters in the finished product, relieve the environmental pressure and improve the economic benefit of the preparation of the composite material.
In the present invention, typical but not limiting contents of the above plant fibers are: 10 parts, 15 parts, 20 parts, 25 parts or 30 parts.
Polyethylene oxide (Polyethylene oxide): also known as polyethylene oxide, is a crystalline, thermoplastic, water-soluble polymer. The polyethylene oxide has the advantages of flocculation, thickening, slow release, lubrication, dispersion, retention, water retention and the like, and is non-toxic and non-irritant. The polyethylene oxide not only has good compatibility in ABS resin, but also can form a hydrogen bond network construction with lignin on plant fiber and ABS resin to improve the compatibility of the plant fiber and the ABS, so that the plant fiber is better dispersed in an ABS matrix, and the mechanical property, the antistatic property and the fiber dispersibility of the antistatic composite material are obviously improved through the hydrogen bond network construction.
In the present invention, typical but non-limiting contents of the above polyethylene oxide are: 3 parts, 4 parts, 5 parts, 6 parts, 7 parts or 8 parts.
Thermal stabilizer: the heat stabilizer can effectively relieve the problems of degradation and oxidation of the ABS resin after being heated and easy degradation of the plant fiber when being heated.
In the present invention, typical but not limiting contents of the above heat stabilizer are: 0.4 part, 0.45 part, 0.5 part, 0.55 part or 0.6 part.
Ultraviolet light absorber: the light stabilizer can absorb the ultraviolet part in sunlight and fluorescent light source without change. The ultraviolet light absorbent can effectively reduce the oxidation of heat brought by illumination on plant fibers.
In the present invention, the above-mentioned ultraviolet light absorbers are typically, but not limited to, in the following amounts: 0.4 part, 0.45 part, 0.5 part, 0.55 part or 0.6 part.
The antistatic composite material provided by the invention mainly comprises ABS resin, plant fiber, polyoxyethylene, a heat stabilizer and an ultraviolet absorber. The ABS resin as the main body of the antistatic composite material has the advantages of good mechanical properties of toughness, hardness and rigidity phase balance, good dimensional stability, high impact strength, high surface hardness and the like; the plant fiber as the filler has the advantages of corrosion resistance, abrasion resistance, low temperature resistance and the like, so that the antistatic effect and the mechanical property of the composite material can be obviously improved, meanwhile, the plant fiber does not contain organic volatile matters, is natural and environment-friendly, and can effectively reduce the content of the organic volatile matters of the antistatic composite material so as to meet increasingly strict environment-friendly requirements; the polyoxyethylene not only has good compatibility in the ABS resin, but also can form a hydrogen bond network with lignin on the plant fiber and the ABS resin to construct so as to improve the compatibility of the plant fiber and the ABS, so that the plant fiber is better dispersed in the ABS matrix; the heat stabilizer and the ultraviolet absorber can effectively reduce the influence of temperature on ABS resin and plant fiber, and avoid oxidative degradation after being heated. Therefore, the antistatic composite material has the advantages of good compatibility and mechanical property, static resistance and low organic volatile matter, and can fully meet the continuously expanded application field of ABS resin and increasingly strict environmental protection requirements.
In a preferred embodiment of the invention, the composite material is mainly prepared from the following components in parts by weight: 40-80 parts of ABS resin, 12-28 parts of plant fiber, 4-7 parts of polyoxyethylene, 0.4-0.6 part of heat stabilizer and 0.4-0.55 part of ultraviolet absorber.
In the above preferred embodiment, the composite material is mainly made of the following components in parts by weight: 50-60 parts of ABS resin, 15-25 parts of plant fiber, 4-5 parts of polyoxyethylene, 0.45-0.5 part of heat stabilizer and 0.4-0.5 part of ultraviolet absorber.
Preferably, the composite material is mainly prepared from the following components in parts by weight: 50 parts of ABS resin, 20 parts of plant fiber, 5 parts of polyoxyethylene, 0.5 part of heat stabilizer and 0.5 part of ultraviolet absorber.
In the invention, the technical effect of the antistatic composite material is further optimized by further adjusting and optimizing the dosage proportion of the raw materials of each component.
In a preferred embodiment of the present invention, the plant fiber is one or a mixture of several of jute fiber, sisal fiber, ramie fiber or noil fiber.
Preferably, the plant fiber can be selected from plant fibers with different fiber lengths according to different products required to be prepared.
In a preferred embodiment of the present invention, the polyethylene oxide is polyethylene oxide having a molecular weight of 400 to 500 ten thousand.
As a preferred embodiment, polyethylene oxide with the molecular weight of 400-500 ten thousand has better viscosity and compatibility, and can be dispersed in ABS resin more uniformly.
In a preferred embodiment of the invention, the heat stabilizer is one of antioxidant-264, antioxidant-1010, antioxidant-1076, triphenyl phosphite or trisnonylphenyl phosphite.
The antioxidant 264 is 2, 6-tert-butyl-4-methylphenol, the antioxidant 1010 is pentaerythritol tetrakis (4-hydroxy-3, 5-di-tert-butylphenyl propionate), and the antioxidant 1076 is stearyl 5-di-tert-butyl-4-hydroxyphenyl propionate.
In a preferred embodiment of the present invention, the ultraviolet light absorber is one of benzophenone-based, benzotriazole-based, or piperidine-based ultraviolet light absorbers.
Preferably, the ultraviolet light absorber is one of 2-hydroxy-4-methoxybenzophenone, 2 ' -dihydroxy-4-methoxybenzophenone, 2 (2-hydroxy-3 ', 5 ' -di-tert-butylphenyl) -5-chlorobenzotriazole (UV-328), and bis (2, 2,6, 6-tetramethylpiperidine) sebacate.
According to one aspect of the present invention, a method for preparing an antistatic composite material, the method comprising the steps of:
firstly, respectively drying the ABS resin and the plant fiber at the temperature of 80-90 ℃ for 6-10 hours, then uniformly mixing the dried ABS resin and the plant fiber with other components, carrying out melt blending at the temperature of 175-210 ℃ for 3-8 min, and then sequentially cooling and crushing to obtain the antistatic composite material.
The preparation method of the antistatic composite material comprises the steps of drying ABS resin and plant fiber respectively, then uniformly mixing the dried ABS resin and plant fiber with other components, carrying out melt blending at the temperature of 175-210 ℃ for 3-8 min, and then cooling and crushing in sequence to obtain the antistatic composite material. The preparation method has the advantages of simple process, convenient operation, low preparation energy consumption and environmental friendliness in the preparation process.
The technical solution of the present invention will be further described with reference to examples and comparative examples.
Example 1
The antistatic composite material is mainly prepared from the following components in parts by weight: 87 parts of ABS resin, 10 parts of plant fiber, 3 parts of polyoxyethylene, 0.4 part of heat stabilizer and 0.4 part of ultraviolet absorber.
The preparation method of the antistatic composite material comprises the following steps: firstly, respectively drying the ABS resin and the plant fiber at the temperature of 80 ℃ for 8 hours, then uniformly mixing the dried ABS resin and the plant fiber with other components, carrying out melt blending at the temperature of 175 ℃ for 5min, and then sequentially cooling and crushing to obtain the antistatic composite material.
Example 2
The antistatic composite material is mainly prepared from the following components in parts by weight: 75 parts of ABS resin, 20 parts of plant fiber, 5 parts of polyoxyethylene, 0.5 part of heat stabilizer and 0.5 part of ultraviolet absorber.
The preparation method of the antistatic composite material comprises the following steps: firstly, respectively drying the ABS resin and the plant fiber at the temperature of 80 ℃ for 8 hours, then uniformly mixing the dried ABS resin and the plant fiber with other components, carrying out melt blending at the temperature of 210 ℃ for 5min, and then sequentially cooling and crushing to obtain the antistatic composite material.
Example 3
The antistatic composite material is mainly prepared from the following components in parts by weight: 67 parts of ABS resin, 25 parts of plant fiber, 8 parts of polyethylene oxide, 0.6 part of heat stabilizer and 0.6 part of ultraviolet absorber.
The preparation method of the antistatic composite material comprises the following steps: firstly, respectively drying the ABS resin and the plant fiber at the temperature of 80 ℃ for 8 hours, then uniformly mixing the dried ABS resin and the plant fiber with other components, carrying out melt blending at the temperature of 180 ℃ for 5min, and then sequentially cooling and crushing to obtain the antistatic composite material.
Example 4
The antistatic composite material is mainly prepared from the following components in parts by weight: 62 parts of ABS resin, 30 parts of plant fiber, 8 parts of polyoxyethylene, 0.6 part of heat stabilizer and 0.6 part of ultraviolet absorber.
The preparation method of the antistatic composite material comprises the following steps: firstly, respectively drying the ABS resin and the plant fiber at the temperature of 80 ℃ for 8 hours, then uniformly mixing the dried ABS resin and the plant fiber with other components, carrying out melt blending at the temperature of 200 ℃ for 5min, and then sequentially cooling and crushing to obtain the antistatic composite material.
Example 5
The antistatic composite material is mainly prepared from the following components in parts by weight: 50 parts of ABS resin, 20 parts of plant fiber, 5 parts of polyoxyethylene, 0.5 part of heat stabilizer and 0.5 part of ultraviolet absorber.
The preparation method of the antistatic composite material comprises the following steps: firstly, respectively drying the ABS resin and the plant fiber at the temperature of 80 ℃ for 8 hours, then uniformly mixing the dried ABS resin and the plant fiber with other components, carrying out melt blending at the temperature of 200 ℃ for 5min, and then sequentially cooling and crushing to obtain the antistatic composite material.
Comparative example 1
This comparative example is the same as example 1 except that the components do not contain polyethylene oxide.
Comparative example 2
This comparative example is the same as example 2 except that the components do not contain polyethylene oxide.
Comparative example 3
This comparative example is the same as example 3 except that the components do not contain polyethylene oxide.
Comparative example 4
This comparative example is the same as example 4 except that the components do not contain polyethylene oxide.
Experimental example 1
The invention has the technical effects of fine structure and smooth surface caused by better mechanical property, antistatic property and better compatibility. The performance of the antistatic composite materials prepared in the embodiments 1 to 5 and the comparative example 1 of the invention is specifically tested.
The detection method comprises the following steps: the antistatic composite materials prepared in the embodiments 1 to 5 and the comparative example 1 are respectively prepared into standard test sample strips according to national standards, then the tensile strength, the bending strength, the notched impact strength of a cantilever beam and the surface resistance of each composite material are respectively detected, and the appearance of the antistatic composite material is visually evaluated, wherein the results are shown in the following table:
note: the detection method of the tensile strength is national standard GB/T1040-2006(23 ℃);
the detection method of the bending strength is national standard GB/T9341-2000(23 ℃);
the detection method of the cantilever beam notch impact strength is national standard GB/T1843-2008(23 ℃);
the detection method of the surface resistance is national standard GB/T1410-2006.
From the above table, it can be seen that the samples prepared by the technical scheme of the invention have better comprehensive mechanical properties and antistatic properties, and compared with comparative example 3, in example 3, after polyethylene oxide is added, the surface resistance of the material is from 8.8 × 1013Down to 4.3 × 108The addition of the polyethylene oxide influences the antistatic performance of the composite material and greatly improves the performance of the composite material.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. The antistatic composite material is characterized by being prepared from the following components in parts by weight: 62 parts of ABS resin, 30 parts of plant fiber, 8 parts of polyoxyethylene, 0.6 part of heat stabilizer and 0.6 part of ultraviolet absorber;
the preparation method of the antistatic composite material comprises the following steps: firstly, respectively drying the ABS resin and the plant fiber at the temperature of 80 ℃ for 8 hours, then uniformly mixing the dried ABS resin and the plant fiber with other components, carrying out melt blending at the temperature of 200 ℃ for 5min, and then sequentially cooling and crushing to obtain the antistatic composite material.
2. The antistatic composite material as claimed in claim 1, wherein the plant fiber is one or a mixture of jute fiber, sisal fiber, ramie fiber or noil fiber.
3. The antistatic composite material as claimed in claim 1, wherein the polyethylene oxide is polyethylene oxide having a molecular weight of 400 to 500 ten thousand.
4. The antistatic composite material of claim 1 wherein the heat stabilizer is one of antioxidant-264, antioxidant-1010, antioxidant-1076, triphenyl phosphite or trisnonylphenyl phosphite.
5. The antistatic composite material of claim 1 wherein the ultraviolet light absorber is one of benzophenone, benzotriazole or piperidine ultraviolet absorbers.
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| CN101942135A (en) * | 2010-09-09 | 2011-01-12 | 南京聚锋新材料有限公司 | Wood plastic substrate of highway noise barrier |
| CN103788567A (en) * | 2014-01-24 | 2014-05-14 | 南通红石科技发展有限公司 | Fiber-reinforced acrylonitrile butadiene styrene (ABS) composite material and preparation method thereof |
| CN104629338A (en) * | 2013-11-07 | 2015-05-20 | 殷培花 | Permanently antistatic PC/ABS modified alloy, and preparation method thereof |
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| US4340513A (en) * | 1979-08-28 | 1982-07-20 | Chisso Corporation | Polyolefin resin composition |
| CN101942135A (en) * | 2010-09-09 | 2011-01-12 | 南京聚锋新材料有限公司 | Wood plastic substrate of highway noise barrier |
| CN104629338A (en) * | 2013-11-07 | 2015-05-20 | 殷培花 | Permanently antistatic PC/ABS modified alloy, and preparation method thereof |
| CN103788567A (en) * | 2014-01-24 | 2014-05-14 | 南通红石科技发展有限公司 | Fiber-reinforced acrylonitrile butadiene styrene (ABS) composite material and preparation method thereof |
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