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CN106633757A - A highly antishock composite material for computer keyboards - Google Patents

A highly antishock composite material for computer keyboards Download PDF

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Publication number
CN106633757A
CN106633757A CN201610913459.XA CN201610913459A CN106633757A CN 106633757 A CN106633757 A CN 106633757A CN 201610913459 A CN201610913459 A CN 201610913459A CN 106633757 A CN106633757 A CN 106633757A
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parts
agent
mixture
computor
impact
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蒙宇
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/14Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16Fibres; Fibrils

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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

A highly antishock composite material for computer keyboards is disclosed. Raw materials of the composite material include polycarbonate, alkyd resin, zinc acrylate resin, tris(2,4-di-tert-butylphenyl) phosphite, dibutyl phthalate, polyurethane rubber, chloropropyl styrene, maleic anhydride grafted polypropylene, hexabromocyclododecane, 3-ethylbut-2-en-1-ol, polypropylene wax, potassium tartrate, potassium polyphosphate, potassium carboxymethyl cellulose, alumina, zinc oxide, polyethylene terephthalate fibers, poly(terephthalic acid), boron fibers, dolomite powder, calcium carbonate, kaolin, graphite, carbon black, nanometer silver particles, diffusion oil and an additive. The composite material has good comprehensive performance, a low density and high specific strength. On the premise of high strength and high rigidity, the composite material shows excellent shock resistance, and has high antibacterial performance and flame retardance. The composite material is extremely low in toxicity, and is not liable to cause environment pollution. A production cost is low, thus facilitating popularization and application.

Description

A kind of high-impact computor-keyboard composite
Technical field
The invention belongs to computor-keyboard preparing technical field, and in particular to a kind of high-impact computor-keyboard composite.
Background technology
PC(Merlon)It is a kind of performance with excellent shock resistance, creep resistant, dimensional stability and electric insulating quality Superior engineering plastics, are widely used in the fields such as plant equipment, computer equipment, automobile making, and computor-keyboard is for a long time by people Use, can be by germ contamination on hand, therefore the computor-keyboard with anti-microbial property is urgently researched and developed and produced.But existing antibacterial The shortcomings of computor-keyboard of performance has resistance poor performance, quality weight.
The content of the invention
The present invention provides a kind of high-impact computor-keyboard composite, exists with the computor-keyboard for solving existing anti-microbial property The problems such as resistance poor performance, quality weight.Obtained composite of the invention has good combination property, and density is relatively low, by force Degree is high, while show outstanding shock resistance on the premise of high intensity, high rigidity, the antibiotic property with high intensity and Anti-flammability;Obtained composite toxicity of the invention is minimum, environmental pollution is not easily caused, while low production cost, is conducive to pushing away Wide application.
To solve above technical problem, the present invention is employed the following technical solutions:
A kind of high-impact computor-keyboard composite, in units of weight, including following raw material:Merlon 154-217 parts, alcohol Acid resin 48-61 parts, zinc acrylate resin 37-45 part, three(2,4- di-tert-butyl-phenyls)Phosphite ester 29-37 parts, adjacent benzene two Formic acid dibutyl ester 18-25 parts, polyurethane rubber 22-30 parts, chloropropyl styrene 18-26 parts, maleic anhydride inoculated polypropylene 16- 24 parts, HBCD 15-19 parts, 3- ethyl -2- butene-1-ol 14-22 parts, aluminium hydroxide 6-10 parts, zinc oxide 5-9 It is part, polypropylene wax 20-29 parts, potassium tartrate 14-23 parts, PA 800K 12-18 parts, potassium carboxymethylcellulose 11-17 parts, poly- right PET fiber 4-6 parts, poly terephthalic acid 5-7 parts, boron fibre 2-4 parts, dolomite dust 7-11 parts, calcium carbonate 12-15 parts, kaolin 6-10 parts, graphite 10-13 parts, carbon black 12-14 parts, nano-Ag particles 8-12 parts, diffusing oil 23-28 parts, It is coupling agent 1-2 parts, degasser 0.6-0.9 parts, levelling agent 0.5-0.8 parts, chain extender 0.7-1.4 parts, intercalator 2-3 parts, compatible Agent 2.4-3.6 parts, dispersant 0.4-0.7 parts, diluent 0.2-0.4 parts, antioxidant 1-1.8 parts, stabilization agent 0.9-1.5 parts, frame Bridge agent 0.8-1.5 parts, conditioning agent 0.7-1.2 parts, hardening agent 0.5-0.8 parts, flocculation agent 0.6-0.9 parts, toughener 0.4-0.6 Part, plasticizer 0.6-0.9 parts, thickener 0.5-0.8 parts, stabilizer 0.3-0.6 parts, fire retardant 1.5-1.8 parts, smoke suppressant 1.3- 2.1 parts, ultra-violet absorber 0.8-1.2 parts, terminator 0.4-0.6 parts;
The compatilizer is that maleic anhydride is grafted compatilizer;
The dispersant is in units of weight, including following raw material:Polyethylene glycol 26-38 parts, Bi2O33-5 parts, aminopropyl three Ethoxysilane 6-10 parts, aluminium carbide 12-17 parts, Nb2 O5 5-8 parts, magnesium sulfate 11-15 parts, zinc stearate 46-59 parts, tristearin Sour monoglyceride 22-34 parts;
The diluent is 515- diluents;
The antioxidant is irgasfos 168;
The stabilization agent constituent is ardealite 0.5-0.9 parts, iron oxide 0.4-0.6 parts;
The bridging agent is acrylic type bridging agent;
The conditioning agent is esters of acrylic acid conditioning agent;
The hardening agent is 701 powder hardening agents;
The flocculation agent is aluminium polychloride;
The toughener is haloflex;
The plasticizer is dioctyl adipate;
The thickener is cellulose ethers thickener;
The stabilizer is fat acids stabilizer;
The fire retardant is halogen-free inorganic flame retardant;
The smoke suppressant is in units of weight portion, including following raw material:Maleic acid Dibutyltin oxide 22-38 parts, molybdenum hydroxide 10-17 parts, bentonite 8-13 parts, aluminium hydroxide 5-9 parts, ammonium octamolybdate 4-7 parts, stearic acid 1.2-2.5 parts;
The ultra-violet absorber is septichen phenyl ester;
The terminator is styrene;
The preparation method of the high-impact computor-keyboard composite, comprises the following steps:
S1:By Merlon, alkyd resin, zinc acrylate resin, three(2,4- di-tert-butyl-phenyls)Phosphite ester, O-phthalic Dibutyl phthalate, polyurethane rubber mixing, are 792-798 DEG C in temperature, and rotating speed is to stir 9-15min under 200-400r/min, is made Obtain mixture I;
S2:Under nitrogen protection, chloropropyl styrene, maleic anhydride grafting poly- third are added in mixture I obtained in step 1 Alkene, HBCD, 3- ethyl -2- butene-1-ols, polypropylene wax, potassium tartrate, PA 800K, potassium carboxymethylcellulose, Coupling agent, degasser, levelling agent, chain extender, intercalator, compatilizer, dispersant, diluent, stabilization agent, bridging agent, conditioning agent, Hardening agent, flocculation agent, toughener, plasticizer, thickener, are 291-329W in microwave power, and temperature is 667-723 DEG C, rotating speed To stir 3.9-5.5h under 200-400r/min, mixture II is obtained;
The preparation method of the dispersant, comprises the following steps:
S21:Polyethylene glycol, glyceryl monostearate, water 120-150 parts are added in microwave reactor, is in microwave power 100-200W, speed of agitator is to stir 10-14min under 200-300r/min, and mixture a is obtained;
S22:Bi is added in mixture a obtained in step 212O3, aminopropyl triethoxysilane, aluminium carbide, Nb2 O5, sulfuric acid Magnesium, zinc stearate, are 300-500r/min in speed of agitator, and microwave power is 192-227W, and temperature is stirring at 85-91 DEG C 1.5-2h, is obtained mixture b;
S23:Mixture b obtained in step 22 is cooled to after room temperature, sediment is filtered, be 3000-5000r/min in rotating speed Lower centrifugal drying is obtained dispersant to water content≤3.2%;
S3:To in mixture II obtained in step 2 add aluminium hydroxide, zinc oxide, pet fiber, Poly terephthalic acid, boron fibre, dolomite dust, calcium carbonate, kaolin, graphite, carbon black, nano-Ag particles, diffusing oil, antioxygen Agent, stabilizer, fire retardant, smoke suppressant, ultra-violet absorber, terminator, are 387-446 DEG C in temperature, and rotating speed is 100-300r/ 0.8-1.4h is stirred under min, mixture III is obtained;
The preparation method of the smoke suppressant, comprises the following steps:
S31:Maleic acid Dibutyltin oxide, molybdenum hydroxide, bentonite, aluminium hydroxide, ammonium octamolybdate, stearic acid are mixed, Speed of agitator is 200-400r/min, and microwave power is 185-243W, and temperature is obtained to stir 1.4-1.7h at 102-118 DEG C Mixture c;
S32:Mixture c obtained in step 31 is cooled to after room temperature, sediment is filtered, be 3000-5000r/min in rotating speed Lower centrifugal drying is obtained smoke suppressant to water content≤3.4%;
S4:Mixture obtained in step 3 III is dried to moisture content≤20ppm, in screw slenderness ratio be 10:1 twin-screw is squeezed It it is 214-238 DEG C in temperature in going out machine, rotating speed is extrusion molding under 22-48r/min, is cooled to room temperature, and high-impact computer is obtained Keyboard composite.
Further, the diffusing oil is epoxidized soybean oil.
Further, the coupling agent is epoxy silane class coupling agent.
Further, the degasser is stearic acid.
Further, the levelling agent is polyether polyester azo polyether polyeste.
Further, the chain extender is methyl diphenylene diisocyanate.
Further, the intercalator is diethanol amine.
The invention has the advantages that:
(1)Obtained high-impact computor-keyboard composite of the invention has good combination property, and density is relatively low, intensity Height, while show outstanding shock resistance on the premise of high intensity, high rigidity, the antibiotic property with high intensity and resistance Combustion property;
(2)Obtained high-impact computor-keyboard composite toxicity of the invention is minimum, environmental pollution is not easily caused, while producing into This is low, is conducive to popularization and application.
Specific embodiment
For ease of more fully understanding the present invention, it is illustrated by following examples, these embodiments belong to the present invention's Protection domain, but do not limit the scope of the invention.
In embodiment, the high-impact computor-keyboard composite, in units of weight, including following raw material:Poly- carbon Acid esters 154-217 parts, alkyd resin 48-61 parts, zinc acrylate resin 37-45 part, three(2,4- di-tert-butyl-phenyls)Phosphorous acid Ester 29-37 parts, dibutyl phthalate 18-25 parts, polyurethane rubber 22-30 parts, chloropropyl styrene 18-26 parts, Malaysia Anhydride-grafted polypropylene 16-24 parts, HBCD 15-19 parts, 3- ethyl -2- butene-1-ol 14-22 parts, aluminium hydroxide 6-10 parts, zinc oxide 5-9 parts, polypropylene wax 20-29 parts, potassium tartrate 14-23 parts, PA 800K 12-18 parts, carboxymethyl cellulose Plain potassium 11-17 parts, pet fiber 4-6 parts, poly terephthalic acid 5-7 parts, boron fibre 2-4 parts, white clouds Stone flour 7-11 parts, calcium carbonate 12-15 parts, kaolin 6-10 parts, graphite 10-13 parts, carbon black 12-14 parts, nano-Ag particles 8-12 Part, diffusing oil 23-28 parts, coupling agent 1-2 parts, degasser 0.6-0.9 parts, levelling agent 0.5-0.8 parts, chain extender 0.7-1.4 parts, Intercalator 2-3 parts, compatilizer 2.4-3.6 parts, dispersant 0.4-0.7 parts, diluent 0.2-0.4 parts, antioxidant 1-1.8 parts, peace Determine agent 0.9-1.5 parts, bridging agent 0.8-1.5 parts, conditioning agent 0.7-1.2 parts, hardening agent 0.5-0.8 parts, flocculation agent 0.6-0.9 Part, toughener 0.4-0.6 parts, plasticizer 0.6-0.9 parts, thickener 0.5-0.8 parts, stabilizer 0.3-0.6 parts, fire retardant 1.5- 1.8 parts, smoke suppressant 1.3-2.1 part, ultra-violet absorber 0.8-1.2 parts, terminator 0.4-0.6 parts;
The diffusing oil is epoxidized soybean oil;
The coupling agent is epoxy silane class coupling agent;
The degasser is stearic acid;
The levelling agent is polyether polyester azo polyether polyeste;
The chain extender is methyl diphenylene diisocyanate;
The intercalator is diethanol amine;
The compatilizer is that maleic anhydride is grafted compatilizer;
The dispersant is in units of weight, including following raw material:Polyethylene glycol 26-38 parts, Bi2O33-5 parts, aminopropyl three Ethoxysilane 6-10 parts, aluminium carbide 12-17 parts, Nb2 O5 5-8 parts, magnesium sulfate 11-15 parts, zinc stearate 46-59 parts, tristearin Sour monoglyceride 22-34 parts;
The diluent is 515- diluents;
The antioxidant is irgasfos 168;
The stabilization agent constituent is ardealite 0.5-0.9 parts, iron oxide 0.4-0.6 parts;
The bridging agent is acrylic type bridging agent;
The conditioning agent is esters of acrylic acid conditioning agent;
The hardening agent is 701 powder hardening agents;
The flocculation agent is aluminium polychloride;
The toughener is haloflex;
The plasticizer is dioctyl adipate;
The thickener is cellulose ethers thickener;
The stabilizer is fat acids stabilizer;
The fire retardant is halogen-free inorganic flame retardant;
The smoke suppressant is in units of weight portion, including following raw material:Maleic acid Dibutyltin oxide 22-38 parts, molybdenum hydroxide 10-17 parts, bentonite 8-13 parts, aluminium hydroxide 5-9 parts, ammonium octamolybdate 4-7 parts, stearic acid 1.2-2.5 parts;
The ultra-violet absorber is septichen phenyl ester;
The terminator is styrene;
The preparation method of the high-impact computor-keyboard composite, comprises the following steps:
S1:By Merlon, alkyd resin, zinc acrylate resin, three(2,4- di-tert-butyl-phenyls)Phosphite ester, O-phthalic Dibutyl phthalate, polyurethane rubber mixing, are 792-798 DEG C in temperature, and rotating speed is to stir 9-15min under 200-400r/min, is made Obtain mixture I;
S2:Under nitrogen protection, chloropropyl styrene, maleic anhydride grafting poly- third are added in mixture I obtained in step 1 Alkene, HBCD, 3- ethyl -2- butene-1-ols, polypropylene wax, potassium tartrate, PA 800K, potassium carboxymethylcellulose, Coupling agent, degasser, levelling agent, chain extender, intercalator, compatilizer, dispersant, diluent, stabilization agent, bridging agent, conditioning agent, Hardening agent, flocculation agent, toughener, plasticizer, thickener, are 291-329W in microwave power, and temperature is 667-723 DEG C, rotating speed To stir 3.9-5.5h under 200-400r/min, mixture II is obtained;
The preparation method of the dispersant, comprises the following steps:
S21:Polyethylene glycol, glyceryl monostearate, water 120-150 parts are added in microwave reactor, is in microwave power 100-200W, speed of agitator is to stir 10-14min under 200-300r/min, and mixture a is obtained;
S22:Bi is added in mixture a obtained in step 212O3, aminopropyl triethoxysilane, aluminium carbide, Nb2 O5, sulfuric acid Magnesium, zinc stearate, are 300-500r/min in speed of agitator, and microwave power is 192-227W, and temperature is stirring at 85-91 DEG C 1.5-2h, is obtained mixture b;
S23:Mixture b obtained in step 22 is cooled to after room temperature, sediment is filtered, be 3000-5000r/min in rotating speed Lower centrifugal drying is obtained dispersant to water content≤3.2%;
S3:To in mixture II obtained in step 2 add aluminium hydroxide, zinc oxide, pet fiber, Poly terephthalic acid, boron fibre, dolomite dust, calcium carbonate, kaolin, graphite, carbon black, nano-Ag particles, diffusing oil, antioxygen Agent, stabilizer, fire retardant, smoke suppressant, ultra-violet absorber, terminator, are 387-446 DEG C in temperature, and rotating speed is 100-300r/ 0.8-1.4h is stirred under min, mixture III is obtained;
The preparation method of the smoke suppressant, comprises the following steps:
S31:Maleic acid Dibutyltin oxide, molybdenum hydroxide, bentonite, aluminium hydroxide, ammonium octamolybdate, stearic acid are mixed, Speed of agitator is 200-400r/min, and microwave power is 185-243W, and temperature is obtained to stir 1.4-1.7h at 102-118 DEG C Mixture c;
S32:Mixture c obtained in step 31 is cooled to after room temperature, sediment is filtered, be 3000-5000r/min in rotating speed Lower centrifugal drying is obtained smoke suppressant to water content≤3.4%;
S4:Mixture obtained in step 3 III is dried to moisture content≤20ppm, in screw slenderness ratio be 10:1 twin-screw is squeezed It it is 214-238 DEG C in temperature in going out machine, rotating speed is extrusion molding under 22-48r/min, is cooled to room temperature, and high-impact computer is obtained Keyboard composite.
Embodiment 1
A kind of high-impact computor-keyboard composite, in units of weight, including following raw material:190 parts of Merlon, alkyd tree 55 parts of fat, 42 parts of zinc acrylate resin, three(2,4- di-tert-butyl-phenyls)34 parts of phosphite ester, dibutyl phthalate 23 Part, 26 parts of polyurethane rubber, 22 parts of chloropropyl styrene, 19 parts of maleic anhydride inoculated polypropylene, 18 parts of HBCD, 3- 18 parts of ethyl -2- butene-1-ols, 8 parts of aluminium hydroxide, 7 parts of zinc oxide, 28 parts of polypropylene wax, 17 parts of potassium tartrate, PA 800K 15 parts, 15 parts of potassium carboxymethylcellulose, 5 parts of pet fiber, 6 parts of poly terephthalic acid, boron fibre 3 Part, 9 parts of dolomite dust, 13 parts of calcium carbonate, 8 parts of kaolin, 12 parts of graphite, 13 parts of carbon black, 10 parts of nano-Ag particles, diffusing oil 25 Part, 1.6 parts of coupling agent, 0.8 part of degasser, 0.7 part of levelling agent, 1 part of chain extender, 2.5 parts of intercalator, 3 parts of compatilizer, dispersant 0.6 part, 0.3 part of diluent, 1.5 parts of antioxidant, 1.2 parts of stabilization agent, 1.3 parts of bridging agent, 1 part of conditioning agent, 0.7 part of hardening agent, 0.8 part of flocculation agent, 0.5 part of toughener, 0.8 part of plasticizer, 0.7 part of thickener, 0.5 part of stabilizer, 1.6 parts of fire retardant, suppression cigarette 1.8 parts of agent, 1 part of ultra-violet absorber, 0.5 part of terminator;
The diffusing oil is epoxidized soybean oil;
The coupling agent is epoxy silane class coupling agent;
The degasser is stearic acid;
The levelling agent is polyether polyester azo polyether polyeste;
The chain extender is methyl diphenylene diisocyanate;
The intercalator is diethanol amine;
The compatilizer is that maleic anhydride is grafted compatilizer;
The dispersant is in units of weight, including following raw material:34 parts of polyethylene glycol, Bi2O34 parts, aminopropyl-triethoxy 8 parts of silane, 15 parts of aluminium carbide, Nb2 O5 7 parts, 13 parts of magnesium sulfate, 52 parts of zinc stearate, 28 parts of glyceryl monostearate;
The diluent is 515- diluents;
The antioxidant is irgasfos 168;
The stabilization agent constituent is 0.7 part of ardealite, 0.5 part of iron oxide;
The bridging agent is acrylic type bridging agent;
The conditioning agent is esters of acrylic acid conditioning agent;
The hardening agent is 701 powder hardening agents;
The flocculation agent is aluminium polychloride;
The toughener is haloflex;
The plasticizer is dioctyl adipate;
The thickener is cellulose ethers thickener;
The stabilizer is fat acids stabilizer;
The fire retardant is halogen-free inorganic flame retardant;
The smoke suppressant is in units of weight portion, including following raw material:30 parts of maleic acid Dibutyltin oxide, molybdenum hydroxide 15 Part, 12 parts of bentonite, 7 parts of aluminium hydroxide, 6 parts of ammonium octamolybdate, 1.8 parts of stearic acid;
The ultra-violet absorber is septichen phenyl ester;
The terminator is styrene;
The preparation method of the high-impact computor-keyboard composite, comprises the following steps:
S1:By Merlon, alkyd resin, zinc acrylate resin, three(2,4- di-tert-butyl-phenyls)Phosphite ester, O-phthalic Dibutyl phthalate, polyurethane rubber mixing, are 793 DEG C in temperature, and rotating speed is to stir 12min under 300r/min, and mixture I is obtained;
S2:Under nitrogen protection, chloropropyl styrene, maleic anhydride grafting poly- third are added in mixture I obtained in step 1 Alkene, HBCD, 3- ethyl -2- butene-1-ols, polypropylene wax, potassium tartrate, PA 800K, potassium carboxymethylcellulose, Coupling agent, degasser, levelling agent, chain extender, intercalator, compatilizer, dispersant, diluent, stabilization agent, bridging agent, conditioning agent, Hardening agent, flocculation agent, toughener, plasticizer, thickener, are 310W in microwave power, and temperature is 695 DEG C, and rotating speed is 300r/ 4h is stirred under min, mixture II is obtained;
The preparation method of the dispersant, comprises the following steps:
S21:Polyethylene glycol, glyceryl monostearate, 140 parts of water are added in microwave reactor, is 150W in microwave power, stirred Mix rotating speed is to stir 12min under 250r/min, and mixture a is obtained;
S22:Bi is added in mixture a obtained in step 212O3, aminopropyl triethoxysilane, aluminium carbide, Nb2O5, sulfuric acid Magnesium, zinc stearate, are 400r/min in speed of agitator, and microwave power is 213W, and temperature is obtained mixing to stir 1.8h at 88 DEG C Thing b;
S23:Mixture b obtained in step 22 is cooled to after room temperature, sediment is filtered, rotating speed be 4000r/min under from Heart drying to water content is 3.2%, and dispersant is obtained;
S3:To in mixture II obtained in step 2 add aluminium hydroxide, zinc oxide, pet fiber, Poly terephthalic acid, boron fibre, dolomite dust, calcium carbonate, kaolin, graphite, carbon black, nano-Ag particles, diffusing oil, antioxygen Agent, stabilizer, fire retardant, smoke suppressant, ultra-violet absorber, terminator, are 423 DEG C in temperature, and rotating speed is to stir under 200r/min 1.2h is mixed, mixture III is obtained;
The preparation method of the smoke suppressant, comprises the following steps:
S31:Maleic acid Dibutyltin oxide, molybdenum hydroxide, bentonite, aluminium hydroxide, ammonium octamolybdate, stearic acid are mixed, Speed of agitator is 300r/min, and microwave power is 236W, and temperature is obtained mixture c to stir 1.5h at 113 DEG C;
S32:Mixture c obtained in step 31 is cooled to after room temperature, sediment is filtered, rotating speed be 4000r/min under from Heart drying to water content is 3.4%, and smoke suppressant is obtained;
S4:By mixture obtained in step 3 III be dried to moisture content be 20ppm, in screw slenderness ratio be 10:1 twin-screw is squeezed It it is 225 DEG C in temperature in going out machine, rotating speed is extrusion molding under 35r/min, is cooled to room temperature, high-impact computor-keyboard is obtained and answers Condensation material.
Embodiment 2
A kind of high-impact computor-keyboard composite, in units of weight, including following raw material:154 parts of Merlon, alkyd tree 48 parts of fat, 37 parts of zinc acrylate resin, three(2,4- di-tert-butyl-phenyls)29 parts of phosphite ester, dibutyl phthalate 18 Part, 18 parts of chloropropyl styrene, 16 parts of maleic anhydride inoculated polypropylene, 15 parts of HBCD, 3- ethyl -2- butene-1s - 14 parts of alcohol, 6 parts of aluminium hydroxide, 5 parts of zinc oxide, 20 parts of polypropylene wax, 14 parts of potassium tartrate, 12 parts of PA 800K, carboxymethyl are fine Plain 11 parts of the potassium of dimension, 4 parts of pet fiber, 5 parts of poly terephthalic acid, 2 parts of boron fibre, 7 parts of dolomite dust, It is 12 parts of calcium carbonate, 6 parts of kaolin, 10 parts of graphite, 12 parts of carbon black, 8 parts of nano-Ag particles, 23 parts of diffusing oil, 1 part of coupling agent, de- 0.6 part of gas agent, 0.5 part of levelling agent, 0.7 part of chain extender, 2 parts of intercalator, 2.4 parts of compatilizer, 0.4 part of dispersant, diluent 0.2 Part, 1 part of antioxidant, 0.9 part of stabilization agent, 0.8 part of bridging agent, 0.7 part of conditioning agent, 0.5 part of hardening agent, 0.6 part of flocculation agent, toughness reinforcing 0.4 part of agent, 0.6 part of plasticizer, 0.5 part of thickener, 0.3 part of stabilizer, 1.5 parts of fire retardant, 1.3 parts of smoke suppressant, ultraviolet are inhaled Receive 0.8 part of agent, 0.4 part of terminator;
The diffusing oil is epoxidized soybean oil;
The coupling agent is epoxy silane class coupling agent;
The degasser is stearic acid;
The levelling agent is polyether polyester azo polyether polyeste;
The chain extender is methyl diphenylene diisocyanate;
The intercalator is diethanol amine;
The compatilizer is that maleic anhydride is grafted compatilizer;
The dispersant is in units of weight, including following raw material:26 parts of polyethylene glycol, Bi2O33 parts, aminopropyl-triethoxy 6 parts of silane, 12 parts of aluminium carbide, Nb2 O5 5 parts, 11 parts of magnesium sulfate, 46 parts of zinc stearate, 22 parts of glyceryl monostearate;
The diluent is 515- diluents;
The antioxidant is irgasfos 168;
The stabilization agent constituent is 0.5 part of ardealite, 0.4 part of iron oxide;
The bridging agent is acrylic type bridging agent;
The conditioning agent is esters of acrylic acid conditioning agent;
The hardening agent is 701 powder hardening agents;
The flocculation agent is aluminium polychloride;
The toughener is haloflex;
The plasticizer is dioctyl adipate;
The thickener is cellulose ethers thickener;
The stabilizer is fat acids stabilizer;
The fire retardant is halogen-free inorganic flame retardant;
The smoke suppressant is in units of weight portion, including following raw material:22 parts of maleic acid Dibutyltin oxide, molybdenum hydroxide 10 Part, 8 parts of bentonite, 5 parts of aluminium hydroxide, 4 parts of ammonium octamolybdate, 1.2 parts of stearic acid;
The ultra-violet absorber is septichen phenyl ester;
The terminator is styrene;
The preparation method of the high-impact computor-keyboard composite, comprises the following steps:
S1:By Merlon, alkyd resin, zinc acrylate resin, three(2,4- di-tert-butyl-phenyls)Phosphite ester, O-phthalic Dibutyl phthalate, polyurethane rubber mixing, are 792 DEG C in temperature, and rotating speed is to stir 15min under 200r/min, and mixture I is obtained;
S2:Under nitrogen protection, chloropropyl styrene, maleic anhydride grafting poly- third are added in mixture I obtained in step 1 Alkene, HBCD, 3- ethyl -2- butene-1-ols, polypropylene wax, potassium tartrate, PA 800K, potassium carboxymethylcellulose, Coupling agent, degasser, levelling agent, chain extender, intercalator, compatilizer, dispersant, diluent, stabilization agent, bridging agent, conditioning agent, Hardening agent, flocculation agent, toughener, plasticizer, thickener, are 291W in microwave power, and temperature is 667 DEG C, and rotating speed is 200r/ 5.5h is stirred under min, mixture II is obtained;
The preparation method of the dispersant, comprises the following steps:
S21:Polyethylene glycol, glyceryl monostearate, 120 parts of water are added in microwave reactor, is 100W in microwave power, stirred Mix rotating speed is to stir 14min under 200r/min, and mixture a is obtained;
S22:Bi is added in mixture a obtained in step 212O3, aminopropyl triethoxysilane, aluminium carbide, Nb2O5, sulfuric acid Magnesium, zinc stearate, are 300r/min in speed of agitator, and microwave power is 192-227W, and temperature is obtained to stir 1.5h at 85 DEG C Mixture b;
S23:Mixture b obtained in step 22 is cooled to after room temperature, sediment is filtered, rotating speed be 3000r/min under from Heart drying to water content is 2.7%, and dispersant is obtained;
S3:To in mixture II obtained in step 2 add aluminium hydroxide, zinc oxide, pet fiber, Poly terephthalic acid, boron fibre, dolomite dust, calcium carbonate, kaolin, graphite, carbon black, nano-Ag particles, diffusing oil, antioxygen Agent, stabilizer, fire retardant, smoke suppressant, ultra-violet absorber, terminator, are 387 DEG C in temperature, and rotating speed is to stir under 100r/min 1.4h is mixed, mixture III is obtained;
The preparation method of the smoke suppressant, comprises the following steps:
S31:Maleic acid Dibutyltin oxide, molybdenum hydroxide, bentonite, aluminium hydroxide, ammonium octamolybdate, stearic acid are mixed, Speed of agitator is 200r/min, and microwave power is 185W, and temperature is obtained mixture c to stir 1.7h at 102 DEG C;
S32:Mixture c obtained in step 31 is cooled to after room temperature, sediment is filtered, rotating speed be 3000r/min under from Heart drying to water content is 2.8%, and smoke suppressant is obtained;
S4:By mixture obtained in step 3 III be dried to moisture content be 18ppm, in screw slenderness ratio be 10:1 twin-screw is squeezed It it is 214 DEG C in temperature in going out machine, rotating speed is extrusion molding under 48r/min, is cooled to room temperature, high-impact computor-keyboard is obtained and answers Condensation material.
Embodiment 3
A kind of high-impact computor-keyboard composite, in units of weight, including following raw material:217 parts of Merlon, alkyd tree 61 parts of fat, 45 parts of zinc acrylate resin, three(2,4- di-tert-butyl-phenyls)37 parts of phosphite ester, dibutyl phthalate 25 Part, 30 parts of polyurethane rubber, 26 parts of chloropropyl styrene, 24 parts of maleic anhydride inoculated polypropylene, 19 parts of HBCD, 3- 22 parts of ethyl -2- butene-1-ols, 10 parts of aluminium hydroxide, 9 parts of zinc oxide, 29 parts of polypropylene wax, 23 parts of potassium tartrate, polyphosphoric acid 18 parts of potassium, 17 parts of potassium carboxymethylcellulose, 6 parts of pet fiber, 7 parts of poly terephthalic acid, boron fibre 4 Part, 11 parts of dolomite dust, 15 parts of calcium carbonate, 10 parts of kaolin, 13 parts of graphite, 14 parts of carbon black, 12 parts of nano-Ag particles, diffusing oil 28 parts, 2 parts of coupling agent, 0.9 part of degasser, 0.8 part of levelling agent, 1.4 parts of chain extender, 3 parts of intercalator, 3.6 parts of compatilizer, dispersion 0.7 part of agent, 0.4 part of diluent, 1.8 parts of antioxidant, 1.5 parts of stabilization agent, 1.5 parts of bridging agent, 1.2 parts of conditioning agent, hardening agent 0.8 Part, 0.9 part of flocculation agent, 0.6 part of toughener, 0.9 part of plasticizer, 0.8 part of thickener, 0.6 part of stabilizer, 1.8 parts of fire retardant, suppression 2.1 parts of fumicants, 1.2 parts of ultra-violet absorber, 0.6 part of terminator;
The diffusing oil is epoxidized soybean oil;
The coupling agent is epoxy silane class coupling agent;
The degasser is stearic acid;
The levelling agent is polyether polyester azo polyether polyeste;
The chain extender is methyl diphenylene diisocyanate;
The intercalator is diethanol amine;
The compatilizer is that maleic anhydride is grafted compatilizer;
The dispersant is in units of weight, including following raw material:38 parts of polyethylene glycol, Bi2O35 parts, aminopropyl-triethoxy 10 parts of silane, 17 parts of aluminium carbide, Nb2 O5 8 parts, 15 parts of magnesium sulfate, 59 parts of zinc stearate, 34 parts of glyceryl monostearate;
The diluent is 515- diluents;
The antioxidant is irgasfos 168;
The stabilization agent constituent is 0.9 part of ardealite, 0.6 part of iron oxide;
The bridging agent is acrylic type bridging agent;
The conditioning agent is esters of acrylic acid conditioning agent;
The hardening agent is 701 powder hardening agents;
The flocculation agent is aluminium polychloride;
The toughener is haloflex;
The plasticizer is dioctyl adipate;
The thickener is cellulose ethers thickener;
The stabilizer is fat acids stabilizer;
The fire retardant is halogen-free inorganic flame retardant;
The smoke suppressant is in units of weight portion, including following raw material:38 parts of maleic acid Dibutyltin oxide, molybdenum hydroxide 17 Part, 13 parts of bentonite, 9 parts of aluminium hydroxide, 7 parts of ammonium octamolybdate, 2.5 parts of stearic acid;
The ultra-violet absorber is septichen phenyl ester;
The terminator is styrene;
The preparation method of the high-impact computor-keyboard composite, comprises the following steps:
S1:By Merlon, alkyd resin, zinc acrylate resin, three(2,4- di-tert-butyl-phenyls)Phosphite ester, O-phthalic Dibutyl phthalate, polyurethane rubber mixing, are 798 DEG C in temperature, and rotating speed is to stir 9min under 400r/min, and mixture I is obtained;
S2:Under nitrogen protection, chloropropyl styrene, maleic anhydride grafting poly- third are added in mixture I obtained in step 1 Alkene, HBCD, 3- ethyl -2- butene-1-ols, polypropylene wax, potassium tartrate, PA 800K, potassium carboxymethylcellulose, Coupling agent, degasser, levelling agent, chain extender, intercalator, compatilizer, dispersant, diluent, stabilization agent, bridging agent, conditioning agent, Hardening agent, flocculation agent, toughener, plasticizer, thickener, are 329W in microwave power, and temperature is 723 DEG C, and rotating speed is 400r/ 3.9h is stirred under min, mixture II is obtained;
The preparation method of the dispersant, comprises the following steps:
S21:Polyethylene glycol, glyceryl monostearate, 150 parts of water are added in microwave reactor, is 200W in microwave power, stirred Mix rotating speed is to stir 10min under 300r/min, and mixture a is obtained;
S22:Bi is added in mixture a obtained in step 212O3, aminopropyl triethoxysilane, aluminium carbide, Nb2O5, sulfuric acid Magnesium, zinc stearate, are 500r/min in speed of agitator, and microwave power is 227W, and temperature is obtained mixing to stir 1.5h at 91 DEG C Thing b;
S23:Mixture b obtained in step 22 is cooled to after room temperature, sediment is filtered, rotating speed be 5000r/min under from Heart drying to water content is 2.2%, and dispersant is obtained;
S3:To in mixture II obtained in step 2 add aluminium hydroxide, zinc oxide, pet fiber, Poly terephthalic acid, boron fibre, dolomite dust, calcium carbonate, kaolin, graphite, carbon black, nano-Ag particles, diffusing oil, antioxygen Agent, stabilizer, fire retardant, smoke suppressant, ultra-violet absorber, terminator, are 446 DEG C in temperature, and rotating speed is to stir under 300r/min 0.8h is mixed, mixture III is obtained;
The preparation method of the smoke suppressant, comprises the following steps:
S31:Maleic acid Dibutyltin oxide, molybdenum hydroxide, bentonite, aluminium hydroxide, ammonium octamolybdate, stearic acid are mixed, Speed of agitator is 400r/min, and microwave power is 243W, and temperature is obtained mixture c to stir 1.4h at 118 DEG C;
S32:Mixture c obtained in step 31 is cooled to after room temperature, sediment is filtered, rotating speed be 5000r/min under from Heart drying to water content is 2.4%, and smoke suppressant is obtained;
S4:By mixture obtained in step 3 III be dried to moisture content be 16ppm, in screw slenderness ratio be 10:1 twin-screw is squeezed It it is 238 DEG C in temperature in going out machine, rotating speed is extrusion molding under 48r/min, is cooled to room temperature, high-impact computor-keyboard is obtained and answers Condensation material.
High-impact computor-keyboard composite is obtained to embodiment 1-3 carries out performance test, as a result as shown in the table.
Above content it cannot be assumed that the present invention be embodied as be confined to these explanation, for belonging to the present invention technology neck For the those of ordinary skill in domain, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, The scope of patent protection that the present invention is determined by the claims submitted to should be all considered as belonging to.

Claims (7)

1. a kind of high-impact computor-keyboard composite, it is characterised in that in units of weight, including following raw material:Poly- carbonic acid Ester 154-217 parts, alkyd resin 48-61 parts, zinc acrylate resin 37-45 part, three(2,4- di-tert-butyl-phenyls)Phosphite ester 29-37 parts, dibutyl phthalate 18-25 parts, polyurethane rubber 22-30 parts, chloropropyl styrene 18-26 parts, maleic acid Acid anhydride graft polypropylene 16-24 parts, HBCD 15-19 parts, 3- ethyl -2- butene-1-ol 14-22 parts, aluminium hydroxide 6- 10 parts, zinc oxide 5-9 parts, polypropylene wax 20-29 parts, potassium tartrate 14-23 parts, PA 800K 12-18 parts, carboxymethylcellulose calcium Potassium 11-17 parts, pet fiber 4-6 parts, poly terephthalic acid 5-7 parts, boron fibre 2-4 parts, dolomite Powder 7-11 parts, calcium carbonate 12-15 parts, kaolin 6-10 parts, graphite 10-13 parts, carbon black 12-14 parts, nano-Ag particles 8-12 parts, Diffusing oil 23-28 parts, coupling agent 1-2 parts, degasser 0.6-0.9 parts, levelling agent 0.5-0.8 parts, chain extender 0.7-1.4 parts, insert It is layer agent 2-3 parts, compatilizer 2.4-3.6 parts, dispersant 0.4-0.7 parts, diluent 0.2-0.4 parts, antioxidant 1-1.8 parts, stable Agent 0.9-1.5 parts, bridging agent 0.8-1.5 parts, conditioning agent 0.7-1.2 parts, hardening agent 0.5-0.8 parts, flocculation agent 0.6-0.9 parts, Toughener 0.4-0.6 parts, plasticizer 0.6-0.9 parts, thickener 0.5-0.8 parts, stabilizer 0.3-0.6 parts, fire retardant 1.5-1.8 Part, smoke suppressant 1.3-2.1 part, ultra-violet absorber 0.8-1.2 parts, terminator 0.4-0.6 parts;
The compatilizer is that maleic anhydride is grafted compatilizer;
The dispersant is in units of weight, including following raw material:Polyethylene glycol 26-38 parts, Bi2O33-5 parts, the second of aminopropyl three TMOS 6-10 parts, aluminium carbide 12-17 parts, Nb2 O5 5-8 parts, magnesium sulfate 11-15 parts, zinc stearate 46-59 parts, stearic acid Monoglyceride 22-34 parts;
The diluent is 515- diluents;
The antioxidant is irgasfos 168;
The stabilization agent constituent is ardealite 0.5-0.9 parts, iron oxide 0.4-0.6 parts;
The bridging agent is acrylic type bridging agent;
The conditioning agent is esters of acrylic acid conditioning agent;
The hardening agent is 701 powder hardening agents;
The flocculation agent is aluminium polychloride;
The toughener is haloflex;
The plasticizer is dioctyl adipate;
The thickener is cellulose ethers thickener;
The stabilizer is fat acids stabilizer;
The fire retardant is halogen-free inorganic flame retardant;
The smoke suppressant is in units of weight portion, including following raw material:Maleic acid Dibutyltin oxide 22-38 parts, molybdenum hydroxide 10-17 parts, bentonite 8-13 parts, aluminium hydroxide 5-9 parts, ammonium octamolybdate 4-7 parts, stearic acid 1.2-2.5 parts;
The ultra-violet absorber is septichen phenyl ester;
The terminator is styrene;
The preparation method of the high-impact computor-keyboard composite, comprises the following steps:
S1:By Merlon, alkyd resin, zinc acrylate resin, three(2,4- di-tert-butyl-phenyls)Phosphite ester, O-phthalic Dibutyl phthalate, polyurethane rubber mixing, are 792-798 DEG C in temperature, and rotating speed is to stir 9-15min under 200-400r/min, is made Obtain mixture I;
S2:Under nitrogen protection, chloropropyl styrene, maleic anhydride grafting poly- third are added in mixture I obtained in step 1 Alkene, HBCD, 3- ethyl -2- butene-1-ols, polypropylene wax, potassium tartrate, PA 800K, potassium carboxymethylcellulose, Coupling agent, degasser, levelling agent, chain extender, intercalator, compatilizer, dispersant, diluent, stabilization agent, bridging agent, conditioning agent, Hardening agent, flocculation agent, toughener, plasticizer, thickener, are 291-329W in microwave power, and temperature is 667-723 DEG C, rotating speed To stir 3.9-5.5h under 200-400r/min, mixture II is obtained;
The preparation method of the dispersant, comprises the following steps:
S21:Polyethylene glycol, glyceryl monostearate, water 120-150 parts are added in microwave reactor, is in microwave power 100-200W, speed of agitator is to stir 10-14min under 200-300r/min, and mixture a is obtained;
S22:Bi is added in mixture a obtained in step 212O3, aminopropyl triethoxysilane, aluminium carbide, Nb2 O5, sulfuric acid Magnesium, zinc stearate, are 300-500r/min in speed of agitator, and microwave power is 192-227W, and temperature is stirring at 85-91 DEG C 1.5-2h, is obtained mixture b;
S23:Mixture b obtained in step 22 is cooled to after room temperature, sediment is filtered, be 3000-5000r/min in rotating speed Lower centrifugal drying is obtained dispersant to water content≤3.2%;
S3:To in mixture II obtained in step 2 add aluminium hydroxide, zinc oxide, pet fiber, Poly terephthalic acid, boron fibre, dolomite dust, calcium carbonate, kaolin, graphite, carbon black, nano-Ag particles, diffusing oil, antioxygen Agent, stabilizer, fire retardant, smoke suppressant, ultra-violet absorber, terminator, are 387-446 DEG C in temperature, and rotating speed is 100-300r/ 0.8-1.4h is stirred under min, mixture III is obtained;
The preparation method of the smoke suppressant, comprises the following steps:
S31:Maleic acid Dibutyltin oxide, molybdenum hydroxide, bentonite, aluminium hydroxide, ammonium octamolybdate, stearic acid are mixed, Speed of agitator is 200-400r/min, and microwave power is 185-243W, and temperature is obtained to stir 1.4-1.7h at 102-118 DEG C Mixture c;
S32:Mixture c obtained in step 31 is cooled to after room temperature, sediment is filtered, be 3000-5000r/min in rotating speed Lower centrifugal drying is obtained smoke suppressant to water content≤3.4%;
S4:Mixture obtained in step 3 III is dried to moisture content≤20ppm, in screw slenderness ratio be 10:1 twin-screw is squeezed It it is 214-238 DEG C in temperature in going out machine, rotating speed is extrusion molding under 22-48r/min, is cooled to room temperature, and high-impact computer is obtained Keyboard composite.
2. high-impact computor-keyboard composite according to claim 1, it is characterised in that the diffusing oil is that epoxy is big Soya-bean oil.
3. high-impact computor-keyboard composite according to claim 1, it is characterised in that the coupling agent is epoxy silicon Alkanes coupling agent.
4. high-impact computor-keyboard composite according to claim 1, it is characterised in that the degasser is tristearin Acid.
5. high-impact computor-keyboard composite according to claim 1, it is characterised in that the levelling agent is poly- for polyethers Ester modified organosiloxane.
6. high-impact computor-keyboard composite according to claim 1, it is characterised in that the chain extender is diphenyl Methane diisocyanate.
7. high-impact computor-keyboard composite according to claim 1, it is characterised in that the intercalator is diethanol Amine.
CN201610913459.XA 2016-10-20 2016-10-20 A highly antishock composite material for computer keyboards Pending CN106633757A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107459802A (en) * 2017-08-28 2017-12-12 吴江市金鑫塑料厂 A kind of polycarbonate plastic of antibacterial

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107459802A (en) * 2017-08-28 2017-12-12 吴江市金鑫塑料厂 A kind of polycarbonate plastic of antibacterial

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Application publication date: 20170510