CN108395684A - A kind of preparation method of electronic product casing material - Google Patents

A kind of preparation method of electronic product casing material Download PDF

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Publication number
CN108395684A
CN108395684A CN201810270762.1A CN201810270762A CN108395684A CN 108395684 A CN108395684 A CN 108395684A CN 201810270762 A CN201810270762 A CN 201810270762A CN 108395684 A CN108395684 A CN 108395684A
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preparation
electronic product
product casing
react
casing material
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朱明超
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Hefei Jia Yang Electronic Technology Co Ltd
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Hefei Jia Yang Electronic Technology Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/10—Esters of organic acids, i.e. acylates
    • C08L1/12—Cellulose acetate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/26—Cellulose ethers
    • C08L1/28—Alkyl ethers
    • C08L1/284—Alkyl ethers with hydroxylated hydrocarbon radicals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08L3/02—Starch; Degradation products thereof, e.g. dextrin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/06—Biodegradable
    • 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
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The present invention provides a kind of preparation method of electronic product casing material, includes the following steps：A carries out activation process to toner, then is mixed with graphene powder, diatomite, polyacrylate and vermiculite power, and petroleum ether and palm oil are added after being uniformly dispersed, stirs to get material one；B, by ethylene octene copolymer, acetate fiber, polylactic acid, composite modifier and fire retardant hybrid reaction, polyethylene wax, heat stabilizer and antioxidant are added, material two is obtained by the reaction；C, sodium cellulose glycolate, starch and wood moulding powder are added into material two, heats and stirs, obtain material three；D, material one and material three are imported in dual-screw-stem machine, adds titanate coupling agent, extrusion molding, then import in mold, dry, re-compacted molding.The sheathing material that the present invention is prepared, it is degradable, non-hazardous to environment, and intensity is high.

Description

A kind of preparation method of electronic product casing material
Technical field
The invention belongs to technical field of electronic products, and in particular to a kind of preparation method of electronic product casing material.
Background technology
Electronic product casing be both protection the most direct mode of electronic product body, and influence its heat dissipation effect, weight, An important factor for aesthetics.Therefore, the material requirements for making electronic product casing has that intensity is high, heat-resistant antifriction is good, tool There is the features such as electromagnetic wave shielding, dimensionally stable, appearance are good.Currently, electronic product casing in the market mostly use greatly engineering plastics, The materials such as metal, glass are made, that there are hardness is low for these materials, it is easy scratch, deformation, fade, not environmentally, it is thermo-labile the shortcomings of. Ceramics due to gloss as aesthetic appearance, jade and lubricious feel, make its application in electronic product casing gradually by Pursuing and like to consumer, due to the high rigidity and wearability of ceramics, being used as phone housing will not be scratched or grind Damage ensures that electronic product is persistently such as new, not only environmentally friendly, and has higher ornamental value.
The Chinese patent of Publication No. 201510309285.1 provides a kind of preparation side of zirconia ceramics cell phone rear cover Method specifically includes following steps：By ZrO2After powder doping vario-property, tape casting, isostatic cool pressing sizing, isostatic cool pressing are fixed successively Type, sintering, CNC processing, are made finished product.Wherein, ZrO2Powder can be the zirconium oxide of a variety of colors, and tape casting slurry can be Organic system can also be aqueous slurry, and conventional electrical heating sintering, which can be used, in sintering can also use atmosphere sintering.By this Cell phone rear cover prepared by method, shock resistance have obtained certain raising, however, since the intrinsic hardness of ceramic material is high, crisp Property big and easy fragmentation problem, cause CNC process difficulty big, and unpredictalbe sudden fracture occur, it is serious to increase Production cost.
The problem of big based on the intrinsic brittleness of ceramics, easy fragmentation, is not solved at all, meanwhile, electronic product casing to Large scale, light weight, the trend that is thinning development also propose rigors to the moulding process of ceramic electronic product casing.
In summary, it is therefore desirable to a kind of sheathing material of better electronic product improves the deficiencies in the prior art, from And push the development of electronic product industry.
Invention content
The object of the present invention is to provide a kind of preparation method of electronic product casing material, the shell that the present invention is prepared Material, degradable, non-hazardous to environment, and intensity is high, thermal diffusivity and tensile strength are substantially better than the composite wood of the prior art Material.
The present invention provides the following technical solutions：
A kind of preparation method of electronic product casing material, including following preparation process：
A carries out activation process to toner, then is mixed with graphene powder, diatomite, polyacrylate and vermiculite power, disperses After uniformly, petroleum ether and palm oil is added, is warming up to 120-140 DEG C, is stirred to react 15-20min, obtain material one；
B, ethylene octene copolymer, acetate fiber, polylactic acid, composite modifier and fire retardant are mixed, is imported in reaction kettle, 1-2h is reacted at 220-265 DEG C, adds polyethylene wax, heat stabilizer and antioxidant, is cooled to 110-135 DEG C of reaction 30- 40min obtains material two；
C, sodium cellulose glycolate, starch and wood moulding powder are added into material two, is heated at 90-110 DEG C and is stirred to react 30- 35min, mixing speed 220-260r/min obtain material three；
D, material one and material three are imported in dual-screw-stem machine, adds titanate coupling agent, react 1-2h, extrusion molding, then It imports in mold, dry 30-40min, re-compacted molding, you can obtain finished product at 60-80 DEG C.
Preferably, the preparation method of the toner of the step a is：By PET resin and three (2,4- di-tert-butyls Base) phosphite ester combination drying, then it was crushed to 400-500 mesh sieve, you can obtain toner.
Preferably, the method for the activation process of the step a is：It will be uniformly mixed with surfactant in toner, It imports in batch mixer, 2-2.5h is stirred to react under 60-70 DEG C, the rotating speed of 120-150r/min, you can.
Preferably, the preparation method of the graphene powder of the step a is：Graphene powder was broken to 300-400 mesh sieve, It is placed in that magnetic field intensity is 7000-8000GS, ultrasonic power 500-600W, temperature are 60-65 DEG C, rotating speed 200- again Under 300r/min, 40-50min is reacted, you can obtain graphene powder.
Preferably, the preparation method of the composite modifier of the step b is：It adds graphene oxide into toluene, surpasses Sound disperses 20-25min, obtains graphene oxide dispersion, the absolute ethyl alcohol for adding 3-aminopropyltriethoxysilane is molten Liquid is stirred to react 10-15min, then filters, is washed with water, is dried in vacuo, and obtains modified graphene oxide, adds ABS, glass Chemical fibre peacekeeping diaminodiphenyl-methane, squeezes out, you can obtain composite modifier through double screw extruder.
Preferably, the fire retardant of the step b is melamine cyanurate and triphenyl phosphate in mass ratio 2:3 mixing It forms.
Preferably, the heat stabilizer of the step b is methyl methacrylate, styrene ethylacrylate and ethyl oxalyl chloride Mixing.
Preferably, the antioxidant of the step b is the mixing of sodium pyrosulfite, p-phenylenediamine and triphenyl phosphite.
The beneficial effects of the invention are as follows：
The sheathing material that the present invention is prepared, it is degradable, non-hazardous to environment, and intensity is high, thermal diffusivity and tensile strength It is substantially better than the composite material of the prior art, also there is good hardness, the performance of resistance to marring and high fire-retardance, the scope of application Extensively, therefore it is suitble to industrialization large-scale promotion production.
Graphene powder, acetate fiber and the diatomite being added in the present invention can effectively improve the intensity and table of material Surface hardness improves scratch resistant performance；The compounding of fire retardant and ethylene octene copolymer greatly enhances the fire-retardant of material Efficiency.
Toner, palm oil, starch and wood moulding powder in the present invention etc., are all natural materials, degradable, source is wide It is general and of low cost, it is non-hazardous to environment, then with after being used in compounding of other compositions, finished product high mechanical strength, not rapid wear can Meet the requirement of industry, there is preferable application prospect.
Specific implementation mode
Embodiment 1
A kind of preparation method of electronic product casing material, including following preparation process：
A carries out activation process to toner, then is mixed with graphene powder, diatomite, polyacrylate and vermiculite power, disperses After uniformly, petroleum ether and palm oil is added, is warming up to 140 DEG C, is stirred to react 15min, obtain material one；
B, ethylene octene copolymer, acetate fiber, polylactic acid, composite modifier and fire retardant are mixed, is imported in reaction kettle, 1h is reacted at 265 DEG C, adds polyethylene wax, heat stabilizer and antioxidant, 135 DEG C of reaction 30min is cooled to, obtains material Two；
C, sodium cellulose glycolate, starch and wood moulding powder are added into material two, 30min is heated and be stirred to react at 110 DEG C, Mixing speed is 260r/min, obtains material three；
D, material one and material three are imported in dual-screw-stem machine, adds titanate coupling agent, react 1h, extrusion molding, then lead Enter in mold, dry 30min, re-compacted molding, you can obtain finished product at 80 DEG C.
The preparation method of the toner of step a is：PET resin and three (2,4- di-tert-butyl-phenyl) phosphite esters is mixed Drying is closed, then was crushed to 400 mesh sieve, you can obtains toner.
The method of the activation process of step a is：It will be uniformly mixed with surfactant in toner, import batch mixer In, it is stirred to react 2.5h under 70 DEG C, the rotating speed of 120r/min, you can.
The preparation method of the graphene powder of step a is：Graphene powder was broken to 300 mesh sieve, then is placed in magnetic field intensity It it is 60 DEG C for 7000GS, ultrasonic power 600W, temperature, rotating speed is to react 50min, you can obtain graphite under 300r/min Alkene powder.
The preparation method of the composite modifier of step b is：It adds graphene oxide into toluene, ultrasonic disperse 20min, Graphene oxide dispersion is obtained, the ethanol solution of 3-aminopropyltriethoxysilane is added, is stirred to react 15min, then filter, be washed with water, be dried in vacuo, modified graphene oxide is obtained, ABS, vitreous fiber and diamino are added Diphenyl methane is squeezed out through double screw extruder, you can obtains composite modifier.
The fire retardant of step b is melamine cyanurate and triphenyl phosphate in mass ratio 2:3 mix.
The heat stabilizer of step b is the mixing of methyl methacrylate, styrene ethylacrylate and ethyl oxalyl chloride.
The antioxidant of step b is the mixing of sodium pyrosulfite, p-phenylenediamine and triphenyl phosphite.
Embodiment 2
A kind of preparation method of electronic product casing material, including following preparation process：
A carries out activation process to toner, then is mixed with graphene powder, diatomite, polyacrylate and vermiculite power, disperses After uniformly, petroleum ether and palm oil is added, is warming up to 120 DEG C, is stirred to react 15min, obtain material one；
B, ethylene octene copolymer, acetate fiber, polylactic acid, composite modifier and fire retardant are mixed, is imported in reaction kettle, 1h is reacted at 220 DEG C, adds polyethylene wax, heat stabilizer and antioxidant, 115 DEG C of reaction 30min is cooled to, obtains material Two；
C, sodium cellulose glycolate, starch and wood moulding powder are added into material two, 35min is heated and be stirred to react at 90 DEG C, Mixing speed is 220r/min, obtains material three；
D, material one and material three are imported in dual-screw-stem machine, adds titanate coupling agent, react 1h, extrusion molding, then lead Enter in mold, dry 30min, re-compacted molding, you can obtain finished product at 60 DEG C.
The preparation method of the toner of step a is：PET resin and three (2,4- di-tert-butyl-phenyl) phosphite esters is mixed Drying is closed, then was crushed to 400 mesh sieve, you can obtains toner.
The method of the activation process of step a is：It will be uniformly mixed with surfactant in toner, import batch mixer In, it is stirred to react 2h under 60 DEG C, the rotating speed of 120r/min, you can.
The preparation method of the graphene powder of step a is：Graphene powder was broken to 300-400 mesh sieve, then is placed in magnetic field Intensity is 7000GS, ultrasonic power 500W, temperature are 60 DEG C, rotating speed is to react 40min, you can obtain under 200r/min Graphene powder.
The preparation method of the composite modifier of step b is：It adds graphene oxide into toluene, ultrasonic disperse 20min, Graphene oxide dispersion is obtained, the ethanol solution of 3-aminopropyltriethoxysilane is added, is stirred to react 10min, then filter, be washed with water, be dried in vacuo, modified graphene oxide is obtained, ABS, vitreous fiber and diamino are added Diphenyl methane is squeezed out through double screw extruder, you can obtains composite modifier.
The fire retardant of step b is melamine cyanurate and triphenyl phosphate in mass ratio 2:3 mix.
The heat stabilizer of step b is the mixing of methyl methacrylate, styrene ethylacrylate and ethyl oxalyl chloride.
The antioxidant of step b is the mixing of sodium pyrosulfite, p-phenylenediamine and triphenyl phosphite.
Embodiment 3
A kind of preparation method of electronic product casing material, including following preparation process：
A carries out activation process to toner, then is mixed with graphene powder, diatomite, polyacrylate and vermiculite power, disperses After uniformly, petroleum ether and palm oil is added, is warming up to 140 DEG C, is stirred to react 20min, obtain material one；
B, ethylene octene copolymer, acetate fiber, polylactic acid, composite modifier and fire retardant are mixed, is imported in reaction kettle, 2h is reacted at 265 DEG C, adds polyethylene wax, heat stabilizer and antioxidant, 135 DEG C of reaction 40min is cooled to, obtains material Two；
C, sodium cellulose glycolate, starch and wood moulding powder are added into material two, 35min is heated and be stirred to react at 110 DEG C, Mixing speed is 260r/min, obtains material three；
D, material one and material three are imported in dual-screw-stem machine, adds titanate coupling agent, react 2h, extrusion molding, then lead Enter in mold, dry 40min, re-compacted molding, you can obtain finished product at 80 DEG C.
The preparation method of the toner of step a is：PET resin and three (2,4- di-tert-butyl-phenyl) phosphite esters is mixed Drying is closed, then was crushed to 500 mesh sieve, you can obtains toner.
The method of the activation process of step a is：It will be uniformly mixed with surfactant in toner, import batch mixer In, it is stirred to react 2.5h under 70 DEG C, the rotating speed of 150r/min, you can.
The preparation method of the graphene powder of step a is：Graphene powder was broken to 400 mesh sieve, then is placed in magnetic field intensity It it is 65 DEG C for 8000GS, ultrasonic power 600W, temperature, rotating speed is to react 50min, you can obtain graphite under 300r/min Alkene powder.
The preparation method of the composite modifier of step b is：It adds graphene oxide into toluene, ultrasonic disperse 25min, Graphene oxide dispersion is obtained, the ethanol solution of 3-aminopropyltriethoxysilane is added, is stirred to react 15min, then filter, be washed with water, be dried in vacuo, modified graphene oxide is obtained, ABS, vitreous fiber and diamino are added Diphenyl methane is squeezed out through double screw extruder, you can obtains composite modifier.
The fire retardant of step b is melamine cyanurate and triphenyl phosphate in mass ratio 2:3 mix.
The heat stabilizer of step b is the mixing of methyl methacrylate, styrene ethylacrylate and ethyl oxalyl chloride.
The antioxidant of step b is the mixing of sodium pyrosulfite, p-phenylenediamine and triphenyl phosphite.
Finished product prepared by above example is detected, following detection data is obtained：
Table one：
Project Embodiment 1 Embodiment 2 Embodiment 3
Density（g/cm3） 1.22 1.20 1.20
Tensile strength（MPa） 58 64 63
Bending strength（MPa） 88 87 92
Notch impact strength（J/m） 87 86 93
Flame retardant rating V0 V0 V0
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to the foregoing embodiments Invention is explained in detail, for those skilled in the art, still can be to foregoing embodiments institute The technical solution of record is modified or equivalent replacement of some of the technical features.It is all the present invention spirit and Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.

Claims (8)

1. a kind of preparation method of electronic product casing material, which is characterized in that including following preparation process：
A carries out activation process to toner, then is mixed with graphene powder, diatomite, polyacrylate and vermiculite power, disperses After uniformly, petroleum ether and palm oil is added, is warming up to 120-140 DEG C, is stirred to react 15-20min, obtain material one；
B, ethylene octene copolymer, acetate fiber, polylactic acid, composite modifier and fire retardant are mixed, is imported in reaction kettle, 1-2h is reacted at 220-265 DEG C, adds polyethylene wax, heat stabilizer and antioxidant, is cooled to 110-135 DEG C of reaction 30- 40min obtains material two；
C, sodium cellulose glycolate, starch and wood moulding powder are added into material two, is heated at 90-110 DEG C and is stirred to react 30- 35min, mixing speed 220-260r/min obtain material three；
D, material one and material three are imported in dual-screw-stem machine, adds titanate coupling agent, react 1-2h, extrusion molding, then It imports in mold, dry 30-40min, re-compacted molding, you can obtain finished product at 60-80 DEG C.
2. a kind of preparation method of electronic product casing material according to claim 1, which is characterized in that the step a The preparation method of toner be：By PET resin and three (2,4- di-tert-butyl-phenyl) phosphite ester combination dryings, then crush It is sieved to 400-500 mesh is crossed, you can obtain toner.
3. a kind of preparation method of electronic product casing material according to claim 1, which is characterized in that the step a The method of activation process be：To be uniformly mixed with surfactant in toner, import batch mixer in, 60-70 DEG C, It is stirred to react 2-2.5h under the rotating speed of 120-150r/min, you can.
4. a kind of preparation method of electronic product casing material according to claim 1, which is characterized in that the step a The preparation method of graphene powder be：Graphene powder was broken to 300-400 mesh sieve, then it is 7000- to be placed in magnetic field intensity 8000GS, ultrasonic power 500-600W, temperature are 60-65 DEG C, rotating speed is to react 40-50min under 200-300r/min, It can be obtained graphene powder.
5. a kind of preparation method of electronic product casing material according to claim 1, which is characterized in that the step b The preparation method of composite modifier be：It adds graphene oxide into toluene, ultrasonic disperse 20-25min, obtains oxidation stone Black alkene dispersion liquid, adds the ethanol solution of 3-aminopropyltriethoxysilane, is stirred to react 10-15min, then take out It filters, be washed with water, be dried in vacuo, obtain modified graphene oxide, add ABS, vitreous fiber and diaminodiphenyl-methane, It is squeezed out through double screw extruder, you can obtain composite modifier.
6. a kind of preparation method of electronic product casing material according to claim 1, which is characterized in that the step b Fire retardant be melamine cyanurate and triphenyl phosphate in mass ratio 2:3 mix.
7. a kind of preparation method of electronic product casing material according to claim 1, which is characterized in that the step b Heat stabilizer be methyl methacrylate, styrene ethylacrylate and ethyl oxalyl chloride mixing.
8. a kind of preparation method of electronic product casing material according to claim 1, which is characterized in that the step b Antioxidant be sodium pyrosulfite, p-phenylenediamine and triphenyl phosphite mixing.
CN201810270762.1A 2018-03-29 2018-03-29 A kind of preparation method of electronic product casing material Withdrawn CN108395684A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117210010A (en) * 2023-06-19 2023-12-12 厦门广开电子有限公司 Heat dissipation material for charger baby shell

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117210010A (en) * 2023-06-19 2023-12-12 厦门广开电子有限公司 Heat dissipation material for charger baby shell
CN117210010B (en) * 2023-06-19 2024-02-20 厦门广开电子有限公司 Heat dissipation material for charger baby shell

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