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Heat-conducting anti-static silica gel product and micro-injection molding process thereof

A molding process and anti-static technology, which is applied in the field of new material modification processing, can solve the problems of impact, easy to absorb dust, and non-heat conduction, etc., and achieve the effects of simple preparation process, reduced odor, and good strength

Inactive Publication Date: 2020-02-11
JIANGSU FANGSHIYUANLVE SCI & TECH CONSULTING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing silica gel products have a strong adsorption capacity due to their inherent non-conductive and non-thermal conduction properties. If they are exposed to the air, they will easily absorb dust and affect their beautiful appearance and cleanliness.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A heat-conducting and anti-static silicone product, which is made by micro-injection molding process of raw materials including the following parts by weight: including 100 parts of two-component liquid silicone, 7 parts of polyimide, 6 parts of carbon nanotubes, diphenyl silicon 10 parts of diol, 8 parts of nano silicon dioxide, 1 part of antistatic agent, 1 part of hydroxymethyl cellulose, 5 parts of deionized water, and 1 part of pigment.

[0019] The crosslinking agent is octamethyltetrasiloxane; the platinum catalyst is tetramethyldivinyldisiloxane complex of chloroplatinic acid.

[0020] The inhibitor is alkynylcyclohexanol.

[0021] The antistatic agent is an alkyl amino acid metal salt.

[0022] The particle size of the nano silicon dioxide is less than 50nm.

[0023] A micro-injection molding process for heat-conducting and anti-static silicone products, including the following steps: (S1) Raw material preparation: Weigh all raw materials according to the wei...

Embodiment 2

[0026] A heat-conducting and anti-static silicone product, which is made by micro-injection molding process of raw materials including the following parts by weight: including 100 parts of two-component liquid silicone, 10 parts of polyimide, 8 parts of carbon nanotubes, diphenyl silicon 6 parts of diol, 10 parts of nano silicon dioxide, 2 parts of antistatic agent, 3 parts of hydroxymethyl cellulose, 8 parts of deionized water, 0.5 part of pigment.

[0027] Further, the crosslinking agent is octamethyltetrasiloxane; the platinum catalyst is chloroplatinic acid tetramethyldivinyldisiloxane complex.

[0028] Further, the inhibitor is alkynyl cyclohexanol.

[0029] Further, the antistatic agent is an alkyl amino acid metal salt.

[0030] Further, the particle size of the nano silicon dioxide is less than 50nm.

[0031] A micro-injection molding process for heat-conducting and anti-static silicone products, including the following steps: (S1) Raw material preparation: Weigh all...

Embodiment 3

[0034] A heat-conducting and anti-static silicone product, which is made by micro-injection molding process of raw materials including the following parts by weight: including 100 parts of two-component liquid silicone, 12 parts of polyimide, 4 parts of carbon nanotubes, diphenyl silicon 10 parts of diol, 12 parts of nano silicon dioxide, 4 parts of antistatic agent, 2 parts of hydroxymethyl cellulose, 10 parts of deionized water, 2 parts of pigment.

[0035] The crosslinking agent is octamethyltetrasiloxane; the platinum catalyst is tetramethyldivinyldisiloxane complex of chloroplatinic acid. The inhibitor is alkynylcyclohexanol. The antistatic agent is an alkyl amino acid metal salt. The particle size of the nano silicon dioxide is less than 50nm.

[0036]A micro-injection molding process for heat-conducting and anti-static silicone products, including the following steps: (S1) Raw material preparation: Weigh all raw materials according to the weight parts of the constitue...

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Abstract

Belonging to the technical field of new material processing, the invention particularly relates to a heat-conducting anti-static silica gel product and a micro-injection molding process thereof. The heat-conducting anti-static silica gel product is prepared from the following raw materials by weight through micro-injection molding process: 100 parts of double-component liquid silica gel, 7-15 parts of polyimide, 4-10 parts of carbon nanotubes, 5-10 parts of diphenyl silanediol, 4-12 parts of nano-silica, 1-4 parts of an anti-static agent, 1-4 parts of hydroxymethyl cellulose, 5-12 parts of deionized water and 0.5-3 parts of pigment. By adopting the micro-injection molding process, the precise heat-conducting anti-static silica gel product can be prepared, the preparation process is simple,environment-friendly and healthy, and the silica gel product can be applied to medical and household appliance parts, has excellent performance, is heat-conducting and anti-static, the quality is greatly improved, and the service life is long, and the heat-conducting anti-static silica gel product can be used for kitchen ware products, medical products, mobile phone cases, automobile interior parts and the like.

Description

technical field [0001] The invention belongs to the technical field of new material modification processing, and in particular relates to a heat-conducting and anti-static silicone product and a micro-injection molding process thereof. Background technique [0002] Liquid Silicone Rubber, referred to as LSR, is a product that is favored by consumers and manufacturers. Liquid Silicone Rubber is made of silicone products. It has good elasticity, waterproof and moisture resistance, and is resistant to acids and alkalis. The erosion of chemical substances, so it is generally used to replace household plastic products. Liquid silicone is injected into the hot runner mold to make silicone products, which can achieve the advantages of one-time molding, no waste and automation. However, existing silica gel products have strong adsorption capacity due to their inherent non-conductive and non-thermal conduction properties. If they are exposed to the air, they will easily absorb dust ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L83/07C08L79/08C08L1/28C08K13/02C08K3/04C08K3/36C08K5/17C08K5/05B29C45/76B29C45/77B29C45/78
CPCB29C45/76B29C45/77B29C45/78B29C2945/76498B29C2945/76531B29C2945/76561B29C2945/76732B29C2945/76862C08K2201/005C08K2201/011C08K2201/017C08L83/04C08L2201/04C08L2205/03C08L79/08C08L1/284C08K13/02C08K3/041C08K3/36C08K5/175C08K5/05
Inventor 刘为峰
Owner JIANGSU FANGSHIYUANLVE SCI & TECH CONSULTING CO LTD
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