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Antibacterial keyboard film and preparation method thereof

A keyboard film and polycarbonate technology, applied in the field of computer hardware equipment, can solve the problems of unclear keyboard, not easy to clean, easy aging and yellowing, etc., to achieve strong ultraviolet shielding effect, strong light oxidation and reduction ability, and flexibility good effect

Inactive Publication Date: 2018-10-16
HEFEI DONGHENGRUI ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Nowadays, notebook computers have entered thousands of households, and there are more and more supplies around the computer. There have been ordinary keyboard protective films for notebook computers on the market, but these protective films have many disadvantages. Clear, slow or unable to dissipate heat, poor dustproof effect, easy to age and turn yellow, not easy to clean, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] This embodiment relates to an antibacterial keyboard film, comprising the following raw materials in parts by weight: 30 parts of polycarbonate, 25 parts of epoxy resin, 13 parts of ethylene-vinyl acetate copolymer, 2 parts of maleic anhydride graft copolymerized polypropylene, modified 7 parts of diatomaceous earth, 3 parts of stearic acid, 2 parts of ultraviolet absorber, 1 part of nano-titanium dioxide, 2 parts of anti-aging agent, and 1 part of flame retardant.

[0029] Wherein, the preparation method of described modified diatomite is as follows:

[0030] (1) Soak the diatomite in hydrochloric acid with a mass fraction concentration of 13% for 3 hours, wash it with deionized water, then soak it with a sodium hydroxide solution with a mass fraction concentration of 11% for 3 hours, and then wash it with deionized water until neutral ,drying;

[0031] (2) Dissolve part of the materials in water, and then add 2% epoxy dioctyl tetrahydrophthalate, 1.5% antioxidant DST...

Embodiment 2

[0043] This embodiment relates to an antibacterial keyboard film, comprising the following raw materials in parts by weight: 50 parts of polycarbonate, 35 parts of epoxy resin, 24 parts of ethylene-vinyl acetate copolymer, 6 parts of maleic anhydride graft copolymerized polypropylene, modified 12 parts of non-toxic diatomite, 6 parts of stearic acid, 4 parts of ultraviolet absorber, 3 parts of nano-titanium dioxide, 3 parts of anti-aging agent, and 2 parts of flame retardant.

[0044] Wherein, the preparation method of described modified diatomite is as follows:

[0045] (1) Soak the diatomite in hydrochloric acid with a mass fraction concentration of 13% for 3 hours, wash it with deionized water, then soak it with a sodium hydroxide solution with a mass fraction concentration of 11% for 3 hours, and then wash it with deionized water until neutral ,drying;

[0046] (2) Dissolve part of the materials in water, and then add 2% epoxy dioctyl tetrahydrophthalate, 1.5% antioxidant...

Embodiment 3

[0058] This embodiment relates to an antibacterial keyboard membrane, comprising the following raw materials in parts by weight: 35 parts of polycarbonate, 28 parts of epoxy resin, 15 parts of ethylene-vinyl acetate copolymer, 3 parts of maleic anhydride graft copolymerized polypropylene, modified 8 parts of non-toxic diatomite, 4 parts of stearic acid, 2.6 parts of ultraviolet absorber, 1.5 parts of nano-titanium dioxide, 2.2 parts of anti-aging agent, and 1.3 parts of flame retardant.

[0059] Wherein, the preparation method of described modified diatomite is as follows:

[0060] (1) Soak the diatomite in hydrochloric acid with a mass fraction concentration of 13% for 3 hours, wash it with deionized water, then soak it with a sodium hydroxide solution with a mass fraction concentration of 11% for 3 hours, and then wash it with deionized water until neutral ,drying;

[0061] (2) Dissolve part of the materials in water, and then add 2% epoxy dioctyl tetrahydrophthalate, 1.5% ...

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PUM

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Abstract

The invention discloses an antimicrobial keyboard film. The antimicrobial keyboard film comprises the following raw materials in parts by weight: 30-50 parts of polycarbonate, 25-35 parts of epoxy resins, 13-24 parts of ethylene-vinyl acetate copolymers, 2-6 parts of maleic anhydride-grafted polypropylene copolymers, 7-12 parts of modified diatomite, 3-6 parts of stearic acid, 2-4 parts of ultraviolet absorbents, 1-3 parts of nano-titanium dioxide, 2-3 parts of antioxidants and 1-2 parts of flame retardants. The antibacterial keyboard film is good in flexibility, excellent in yellowing resistance, harmless to skin, bactericidal in function, environmentally friendly and and non-toxic.

Description

technical field [0001] The invention belongs to the technical field of computer hardware equipment, and in particular relates to an antibacterial keyboard film and a preparation method thereof. Background technique [0002] Nowadays, notebook computers have entered thousands of households, and there are more and more supplies around the computer. There have been ordinary keyboard protective films for notebook computers on the market, but these protective films have many disadvantages. Clear, slow or unable to dissipate heat, poor dustproof effect, easy to age and turn yellow, not easy to clean, etc. Contents of the invention [0003] The invention provides an antibacterial keyboard film and a preparation method thereof, which solves the problems in the background technology. The antibacterial keyboard film has good flexibility, excellent yellowing resistance, does not hurt the skin, has a bactericidal function, and is environmentally friendly and non-toxic. [0004] In or...

Claims

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Application Information

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IPC IPC(8): C08L69/00C08L63/00C08L23/08C08L51/06C08K13/06C08K9/02C08K7/26C08K3/22C08J5/18
CPCC08J5/18C08J2369/00C08J2423/08C08J2451/06C08J2463/00C08K3/22C08K3/2279C08K7/26C08K9/02C08K13/06C08K2003/2241C08K2201/011
Inventor 齐慧
Owner HEFEI DONGHENGRUI ELECTRONICS TECH CO LTD