CN105524366A - Antibacterial AS composite material and preparation method thereof - Google Patents
Antibacterial AS composite material and preparation method thereof Download PDFInfo
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- CN105524366A CN105524366A CN201510929187.8A CN201510929187A CN105524366A CN 105524366 A CN105524366 A CN 105524366A CN 201510929187 A CN201510929187 A CN 201510929187A CN 105524366 A CN105524366 A CN 105524366A
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 239000003365 glass fiber Substances 0.000 claims abstract description 30
- 239000011347 resin Substances 0.000 claims abstract description 21
- 229920005989 resin Polymers 0.000 claims abstract description 21
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 20
- 241000242583 Scyphozoa Species 0.000 claims abstract description 16
- -1 polypropylene Polymers 0.000 claims abstract description 14
- 239000007822 coupling agent Substances 0.000 claims abstract description 13
- 239000004743 Polypropylene Substances 0.000 claims abstract description 12
- 229920001155 polypropylene Polymers 0.000 claims abstract description 12
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000012764 mineral filler Substances 0.000 claims abstract description 4
- 239000002216 antistatic agent Substances 0.000 claims abstract description 3
- 239000011159 matrix material Substances 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 28
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 20
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 12
- 230000002070 germicidal effect Effects 0.000 claims description 12
- 229910052709 silver Inorganic materials 0.000 claims description 12
- 239000004332 silver Substances 0.000 claims description 12
- 230000003068 static effect Effects 0.000 claims description 9
- 239000003112 inhibitor Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 6
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 4
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 4
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 4
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 4
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical group OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- CGKQZIULZRXRRJ-UHFFFAOYSA-N Butylone Chemical compound CCC(NC)C(=O)C1=CC=C2OCOC2=C1 CGKQZIULZRXRRJ-UHFFFAOYSA-N 0.000 claims description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- 230000001133 acceleration Effects 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- 125000003277 amino group Chemical group 0.000 claims description 2
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 2
- 239000012467 final product Substances 0.000 claims description 2
- 229920000058 polyacrylate Polymers 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 abstract description 10
- 239000004033 plastic Substances 0.000 abstract description 10
- 239000004615 ingredient Substances 0.000 abstract 3
- 239000008187 granular material Substances 0.000 abstract 2
- 239000011941 photocatalyst Substances 0.000 abstract 2
- 238000013329 compounding Methods 0.000 abstract 1
- 229920001893 acrylonitrile styrene Polymers 0.000 description 34
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 34
- 230000000052 comparative effect Effects 0.000 description 17
- 239000000463 material Substances 0.000 description 14
- 239000011152 fibreglass Substances 0.000 description 13
- 230000003115 biocidal effect Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 8
- 239000002994 raw material Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 230000001808 coupling effect Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 230000000845 anti-microbial effect Effects 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 101100072645 Arabidopsis thaliana IPS3 gene Proteins 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 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 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 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
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/08—Copolymers of styrene
- C08L25/12—Copolymers of styrene with unsaturated nitriles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- 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
- C08J2325/00—Characterised by the use 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; Derivatives of such polymers
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/08—Copolymers of styrene
- C08J2325/12—Copolymers of styrene with unsaturated nitriles
-
- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
-
- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides an antibacterial AS composite material and its preparation method. The antibacterial AS composite material comprises the following ingredients (by weight): 39-88.4% of AS resin, 10-30% of glass fiber, 1-10% of a compatilizer, 1-5% of jellyfish granules, 0.1-1% of a coupling agent, 10-15% of an antistatic agent, 1-3% of an antibacterial agent and 1-3% of an auxiliary agent. The total percentage of the above ingredients is 100%. The antibacterial agent is an antibacterial agent formed by compounding of a photocatalyst antibacterial agent and an Ag-type inorganic antibacterial agent. The jellyfish granules comprise, by weight, 1-49% of polypropylene, 50-98% of water and 0.1-5% of a mineral filler, wherein the total percentage of the above ingredients is 100%. By adjusting ratio of the photocatalyst antibacterial agent to the Ag-type inorganic antibacterial agent in the antibacterial agent and adjusting addition amount in the composite material, the prepared AS composite material has an excellent antibacterial effect. Antibacterial ratio of the composite material is greater than or equal to 90%, and the composite material can be used as strong antibacterial plastic.
Description
Technical field
The invention belongs to modified plastics field, especially relates to a kind of antibacterial AS matrix material and preparation method thereof.
Background technology
Acrylonitrile-styrene (AS) resin is that material copolymerization closes obtained a kind of thermoplastics by vinylbenzene (St), vinyl cyanide (AN) two kinds of monomers.AS resin has excellent performance, has fabulous dimensional stability, electrical property, wear resistance, chemical proof, dyeability, and forming process and mechanical workout better, are a kind of important engineering plastics.
Fiberglass reinforced plastics have the advantages such as specific tenacity is high, corrosion-resistant, heat insulation, molding shrinkage is little.In addition, utilize fiberglass reinforced that the tensile property of plastics can be made to increase substantially.Add intensity and thermal deformation resistant ability that glass fibre can strengthen AS resin in AS resin, also can reduce the thermal expansivity of AS resin.
At present, there has been an industrial standards in China to the antibacterial of plastics.Antibacterial standard is: antibacterium rate meets the antibiotic plastic of I >=99% can as strong antibiotic plastic, and antibacterium rate meets the antibiotic plastic of I >=90% can as there being anti-microbial effect plastics.But the anti-microbial property of existing AS material is poor, the germ resistance how improving AS material is the important factor of restriction AS material widespread use and development.
Summary of the invention
In view of this, the invention is intended to propose a kind of antibacterial AS matrix material and preparation method thereof, to solve the poor problem of existing AS material germ resistance.
For achieving the above object, the technical scheme of the invention is achieved in that
A kind of antibacterial AS matrix material, by weight percentage, comprise following component: AS resin: 39-88.4%, glass fibre: 10-30%, compatilizer: 1-10%, jellyfish grain 1-5%, coupling agent: 0.1-1%, static inhibitor 10-15%, antiseptic-germicide: 1-3%, auxiliary agent 1-3%, each component sum is 100%; Described antiseptic-germicide is the composite antiseptic-germicide of photocatalitic germicide and silver-based inorganic antibacterial agent; Described jellyfish grain by weight percentage, comprises following component: polypropylene 1%-49%; Water 50%-98%; Mineral filler 0.1-5%, each component sum is 100%.
Further, in described antiseptic-germicide, the weight percent of photocatalitic germicide and silver-based inorganic antibacterial agent is 1:0.5-2.
Further, in described antiseptic-germicide, the weight percent of photocatalitic germicide and silver-based inorganic antibacterial agent is 1:1.
Further, described polypropylene is high melt strength, propylene, and under the experimental temperature of 190 DEG C, use the capillary die that length-to-diameter ratio is 10:1, mouth mould is 24cm to the distance of roller, and plunger lowering speed is 0.10mm/s, and the acceleration of traction rollers is 5mm/s
2, melt strength of polypropylene>=5cN.
Further, described AS resin is vinyl cyanide, cinnamic multipolymer, and described static inhibitor is permanent antistatic agent, comprises metal-salt and polyoxyethylene in its composition.
Further, described glass fibre is the mixing of one or more of long glass fibres or short glass fiber; Preferably, described long glass fibres is alkali free glass fibre, and diameter is 10-16 μm; Preferably, the length of described short glass fiber is 0.2-10mm, and diameter is 8-20 μm.
Further, described compatilizer is acrylic polymer or multipolymer; Its polymerization single polymerization monomer is vinylformic acid, methyl acrylate, ethyl propenoate, butyl acrylate, one or more in ethyl acrylate.
Further, described coupling agent is silane coupling agent, and preferably, described silane coupling agent is amino-type silane coupling agent, and preferably, the number of amino groups that described amino-type silane coupling agent contains is more than 2 or 2.
The present invention also provides a kind of preparation method of antibacterial AS matrix material, comprises the following steps:
(1) take AS resin, compatilizer, jellyfish grain, coupling agent and auxiliary agent by weight percentage and mix 3-5min in high mixer; Mix, obtain Preblend;
(2) Preblend is placed in the main spout of twin screw extruder, adds glass fibre from side spout, melt extrude, granulating and drying, to obtain final product.
Further, the described condition melt extruded is: a district temperature 180-210 DEG C, two district temperature 190-220 DEG C, three district temperature 190-230 DEG C, four district temperature 190-240 DEG C, five district temperature 190-240 DEG C, six district temperature 190-240 DEG C, seven district temperature 190-240 DEG C, eight district temperature 190-240 DEG C, nine district temperature 190-240 DEG C, engine speed 250-600 rev/min; The length-to-diameter ratio of twin screw extruder is 40:1.
Relative to prior art, antibacterial AS matrix material described in the invention and preparation method thereof has following advantage:
The antiseptic-germicide that the present invention adds is photocatalitic germicide and silver-based inorganic antibacterial agent, by the ratio that regulates photocatalitic germicide and silver-based inorganic antibacterial agent in antiseptic-germicide and the amount added in matrix material, the AS matrix material prepared has excellent antibacterial effect, antibiotic rate >=90%, can as strong antibiotic plastic.
Embodiment
It should be noted that, when not conflicting, the embodiment in the invention and the feature in embodiment can combine mutually.
The invention is described in detail below in conjunction with embodiment.
In following examples and comparative example, the processing conditions that forcing machine melt extrudes is as follows: a district temperature 180-210 DEG C, two district temperature 190-220 DEG C, three district temperature 190-230 DEG C, four district temperature 190-240 DEG C, five district temperature 190-240 DEG C, six district temperature 190-240 DEG C, seven district temperature 190-240 DEG C, eight district temperature 190-240 DEG C, nine district temperature 190-240 DEG C, engine speed 250-600 rev/min; The length-to-diameter ratio of twin screw extruder is 40:1.
AS resin is selected from the NF2200 of Taiwan, and roving glass fiber is selected from the ER13-2000-988A of megalith group, and its Fibre diameter is 13 μm, and linear density is 2000tex; Short glass fiber is selected from the ECS-13-4.5 series of ShenzhenYataida company, and the length of its glass fibre is 4.5mm, and diameter is 13 μm; Compatilizer is selected from the strange beautiful PMMACM-207 in Taiwan; Silane coupling agent is selected from the KH-550 of the Chinese Academy of Sciences, KH-560 and KH-602.Static inhibitor is selected from the PELESTAT6500 that Sanyo changes into.Described antiseptic-germicide is the composite antiseptic-germicide of photocatalitic germicide and silver-based inorganic antibacterial agent.Wherein, photocatalitic germicide is the TiO2 of anatase titanium dioxide, is selected from magnificent micro-science and technology; Silver-based inorganic antibacterial agent is selected from Guangzhou mattress Nowe Chemical Co., Ltd., and concrete model is IPS3.
The preparation of jellyfish grain:
The high melt strength, propylene of different melt intensity is mixed by proportioning shown in table 1 fully with mineral filler, extrudes strip polypropylene in an extruder, then be chopped into polypropylene pre-expanded particles; Take water as whipping agent, polypropylene pre-expanded particles is foamed, prepare the expanded polypropylene of high fondant-strength; The mixed 5-10min in super mixer by the expanded polypropylene of high fondant-strength and water, prepares the jellyfish grain of water content as shown in table 1, releases stand-by.
Each component concentration (weight percent) of table 1 jellyfish grain
| Component | A1 | A2 | A3 | A4 | A5 | A6 | B1 | B2 |
| High melt strength, propylene | 49 | 15 | 22 | 26 | 37 | 8 | 68 | 77 |
| Talcum powder | 1 | / | / | 4 | / | / | / | 3 |
| Calcium carbonate | / | 5 | / | / | 3 | / | / | / |
| Barium sulfate | / | / | 3 | / | / | 2 | 2 | / |
| Water content in jellyfish grain | 50 | 80 | 75 | 70 | 60 | 90 | 30 | 20 |
| Polyacrylic melt strength (cN) | 5 | 30 | 10 | 20 | 10 | 40 | 20 | 10 |
In embodiment 1-6 and comparative example 1-6, the quality proportioning of photocatalitic germicide and silver-based inorganic antibacterial agent in antiseptic-germicide, as shown in table 2.
The composition of table 2 antiseptic-germicide
Embodiment 1-6, comparative example 6
A fiberglass reinforced AS composition for excellent in mechanical performance, its composition of raw materials is as shown in table 4, and its preparation method comprises the following steps:
Take AS resin, compatilizer, jellyfish grain, silane coupling agent, static inhibitor, antiseptic-germicide and auxiliary agent by weight percentage and mix 4min in high mixer; Mix, obtain Preblend; Preblend is placed in the main spout of twin screw extruder, adds glass fibre from side spout, melt extrude, granulating and drying.Measure its performance, concrete data list in table 6.
Comparative example 1-3
A fiberglass reinforced AS composition for excellent in mechanical performance, its composition of raw materials is as shown in table 4, and its preparation method comprises the following steps:
Take AS resin, compatilizer and auxiliary agent by weight percentage and mix 4min in high mixer; Mix, obtain Preblend; Preblend is placed in the main spout of twin screw extruder, adds glass fibre from side spout, melt extrude, granulating and drying.Measure its performance, concrete data list in table 6.
Comparative example 4
A fiberglass reinforced AS composition for excellent in mechanical performance, its composition of raw materials is as shown in table 4, and its preparation method comprises the following steps:
Take AS resin, silane coupling agent and auxiliary agent by weight percentage and mix 1-3min in high mixer; Mix, obtain Preblend; Preblend is placed in the main spout of twin screw extruder, adds glass fibre from side spout, melt extrude, granulating and drying.Measure its performance, concrete data list in table 6.
Comparative example 5
A fiberglass reinforced AS composition for excellent in mechanical performance, its composition of raw materials is as shown in table 4, and its preparation method comprises the following steps:
Take AS resin by weight percentage, jellyfish grain, static inhibitor, antiseptic-germicide and auxiliary agent mix 4min in high mixer; Mix, obtain Preblend; Preblend is placed in the main spout of twin screw extruder, adds glass fibre from side spout, melt extrude, granulating and drying.Measure its performance, concrete data list in table 6.
The fiberglass reinforced AS composition that embodiment and comparative example obtain adopts following methods to test its correlated performance:
(1) measurement of odor standard:
The sensory test of people and strict instrument test are comprised to the test of volatile gases in car and smell.This patent is by Volkswagen VW ' sPV3900E standard, and adopt 1 ~ 6 grade of evaluation, rank is higher, and smell is larger.Table 3 controls the evaluation content of the standard P V3900 of smell in Automobile for Volkswagen, be divided into 6 ranks.Its method is under certain experiment condition, part is placed in the vessel of a sealing, by the smell of professional with Olfactometry part.Subjective smell test experiments condition is as follows:
A normal temperature 23 DEG C, simulates normal riving condition
B high temperature 40 DEG C, simulates the riving condition in summer
C, in 2h, under the condition that high temperature is 80 DEG C, simulates extreme temperature and the condition after being exposed to the sun summer in cab
Table 3 Volkswagen interior material Odor Evaluations standard
(2) mechanical property: test by iso standard.
(3) static resistance: test its surface resistivity according to GB/T1410-2006.
(4) antibiotic rate measures: adopt Chinese light industry standard QB/T2591-2003 " antibiotic plastic---anti-microbial property evaluation and testing method thereof " standard.Experimental strain is intestinal bacteria, streptococcus aureus.)
The composition of raw materials (by weight percentage) of the fiberglass reinforced AS composition of table 4 embodiment and comparative example
Silane coupling agent specification used in table 5 embodiment and comparative example
The performance data of the fiberglass reinforced AS composition of table 6 embodiment and comparative example
By embodiment 1 and comparative example 1, embodiment 2 and comparative example 2, embodiment 3 and comparative example 3, contrast can be found out, after adding silane coupling agent, the mechanical property of matrix material significantly improves, this is because by using silane coupling agent, the bond properties of glass fibre and resin can be improved, thus improve the performance of matrix material.This phenomenon can be explained with theory of chemical bonds, this theory is thought: silane coupling agent contains two kinds of different chemical functional groups, its one end (X group) and inorganic materials, the silanol groups reaction as surfaces such as glass fibre, silicate, metal oxides generates covalent linkage; The other end (Y group) generates covalent linkage with superpolymer base-material or resin again, thus erects between inorganic substance and the interface of organic substance " molecular bridge ", and then two kinds of inconsistent material couplings is got up.In addition, with suitable silane coupling agent process fiberglass surfacing, its surface tension can be improved, thus impel organic resin in the infiltration of mineral surfaces and expansion, convergency and the processing characteristics of glass can be improved.
Contrasted can be seen by embodiment 3 and embodiment 4 and embodiment 5, use amino-type silane coupling agent, its coupling effect wants excellent in the coupling effect of medium-sized silane coupling agent, specifically, use two amino-type silane coupling agent, the better excellence of its coupling effect, is more conducive to improving composite materials property.
By embodiment 4 and comparative example 4, embodiment 5 and comparative example 5, contrast can be found out: add the performance that compatilizer effectively can improve matrix material in formula, this is because glass fiber reinforced materials is because be the complex body be made up of glass fibre and synthetic resins, two kinds of materials differ greatly, and there is compatible problem after being mixed with each other.And polymethylmethacrylate (PMMA) has high polarity, the interfacial state between glass fibre and resin can be changed, improve the cohesive force at its interface, thus improve the performance of matrix material.And using silane coupling agent and the composite mode of compatilizer, the mechanical property of composite performance is more excellent.
In addition, can see from embodiment 6 and comparative example 6 contrast, when coupling agent consumption is excessive, the comprehensive mechanical property of matrix material is in a slight decrease on the contrary.This is because what really play action of coupling agents in GFAS matrix material is the unimolecular layer that coupling agent molecule is formed at fiberglass surfacing, therefore too much interpolation coupling agent is unnecessary.When coupling agent consumption is less, along with the increase of consumption, tensile strength and shock strength can be improved to some extent; When the consumption of coupling agent is excessive, this excessive interpolation is unnecessary, and can cause negative impact to the performance of material, causes the performance of material to occur declining.
Can see from embodiment and comparative example, after adding jellyfish grain, significantly can improve the smell of matrix material, its smell is the highest can reach 3 grades, and in addition, jellyfish grain water content is many, and addition is many, and its effect removing smell is more obvious.In addition, by adding static inhibitor, the surface resistivity of composition can be made from 10
16Ω is reduced to 10
9Ω, antistatic effect is good.
As can be seen from embodiment 1-6, add photocatalitic germicide and the composite antiseptic-germicide of silver-based inorganic antibacterial agent, the limitation of single antiseptic-germicide can be overcome, the matrix material of preparation has excellent antibacterial effect, germ resistance, antibiotic rate reaches more than 90%, can as strong antibiotic plastic.
As can be seen from embodiment, use the fiberglass reinforced AS matrix material that the present invention produces, its mechanical property and thermal characteristics are very excellent.As part fiberglass reinforced AS matrix material of 20 in embodiment 5, its tensile strength has risen to 130-140MPa than material on the market from 100-110MPa, its shock strength than the material on market from 5.5-6.5KJ/m
2rise to 8-9KJ/m
2etc..
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. an antibacterial AS matrix material, it is characterized in that: by weight percentage, comprise following component: AS resin: 39-88.4%, glass fibre: 10-30%, compatilizer: 1-10%, jellyfish grain 1-5%, coupling agent: 0.1-1%, static inhibitor 10-15%, antiseptic-germicide: 1-3%, auxiliary agent 1-3%, each component sum is 100%; Described antiseptic-germicide is the composite antiseptic-germicide of photocatalitic germicide and silver-based inorganic antibacterial agent; Described jellyfish grain by weight percentage, comprises following component: polypropylene 1%-49%; Water 50%-98%; Mineral filler 0.1-5%, each component sum is 100%.
2. antibacterial AS matrix material according to claim 1, is characterized in that: in described antiseptic-germicide, the weight percent of photocatalitic germicide and silver-based inorganic antibacterial agent is 1:0.5-2.
3. antibacterial AS matrix material according to claim 1, is characterized in that: in described antiseptic-germicide, the weight percent of photocatalitic germicide and silver-based inorganic antibacterial agent is 1:1.
4. antibacterial AS matrix material according to claim 1, it is characterized in that: described polypropylene is high melt strength, propylene, under the experimental temperature of 190 DEG C, use the capillary die that length-to-diameter ratio is 10:1, mouth mould is 24cm to the distance of roller, plunger lowering speed is 0.10mm/s, and the acceleration of traction rollers is 5mm/s
2, melt strength of polypropylene>=5cN.
5. antibacterial AS matrix material according to claim 1, is characterized in that: described AS resin is vinyl cyanide, cinnamic multipolymer, and described static inhibitor is permanent antistatic agent, comprises metal-salt and polyoxyethylene in its composition.
6. antibacterial AS matrix material according to claim 1, is characterized in that: described glass fibre is the mixing of one or more of long glass fibres or short glass fiber; Preferably, described long glass fibres is alkali free glass fibre, and diameter is 10-16 μm; Preferably, the length of described short glass fiber is 0.2-10mm, and diameter is 8-20 μm.
7. antibacterial AS matrix material according to claim 1, is characterized in that: described compatilizer is acrylic polymer or multipolymer; Its polymerization single polymerization monomer is vinylformic acid, methyl acrylate, ethyl propenoate, butyl acrylate, one or more in ethyl acrylate.
8. antibacterial AS matrix material according to claim 1, it is characterized in that: described coupling agent is silane coupling agent, preferably, described silane coupling agent is amino-type silane coupling agent, preferably, the number of amino groups that described amino-type silane coupling agent contains is more than 2 or 2.
9. a preparation method for the antibacterial AS matrix material according to any one of claim 1-8, is characterized in that: comprise the following steps:
(1) take AS resin, compatilizer, jellyfish grain, coupling agent and auxiliary agent by weight percentage and mix 3-5min in high mixer; Mix, obtain Preblend;
(2) Preblend is placed in the main spout of twin screw extruder, adds glass fibre from side spout, melt extrude, granulating and drying, to obtain final product.
10. the preparation method of antibacterial AS matrix material according to claim 9, it is characterized in that: described in the condition that melt extrudes be: a district temperature 180-210 DEG C, two district temperature 190-220 DEG C, three district temperature 190-230 DEG C, four district temperature 190-240 DEG C, five district temperature 190-240 DEG C, six district temperature 190-240 DEG C, seven district temperature 190-240 DEG C, eight district temperature 190-240 DEG C, nine district temperature 190-240 DEG C, engine speed 250-600 rev/min; The length-to-diameter ratio of twin screw extruder is 40:1.
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Application publication date: 20160427 |