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Direct-electrodeposition conductive silicone rubber material

A technology of rubber material and conductive silicon, which is applied in the field of precision texture mold manufacturing, can solve the problems of inaccurate transmission of original model texture information, high molding temperature of raw rubber, and difficult operation, etc., to achieve fast deposition of metal ions on the surface and high replication The effect of low rate and low operating viscosity

Inactive Publication Date: 2019-08-16
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a kind of conductive silicone rubber material that can be directly electrodeposited, to solve the existing commercialized conductive silicone rubber proposed in the above-mentioned background technology. The problem that the texture information of the original model cannot be accurately transmitted

Method used

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  • Direct-electrodeposition conductive silicone rubber material
  • Direct-electrodeposition conductive silicone rubber material
  • Direct-electrodeposition conductive silicone rubber material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] see figure 1 , first mix 100 parts of vinyl silicone oil, 15 parts of conductive carbon black and 10 parts of acetone for 3 hours with an electric stirrer at a speed of 150r / min, then place the mixture in an oven at 30-50°C for 24 hours, and then pour it into the well-mixed Add 50 parts of hydrogen-containing silicone oil to the mixture and stir for 10 minutes, then continue stirring for 5 minutes with 3 parts of platinum catalyst to obtain conductive silicone rubber with a viscosity of 1000CP. Then pour the mixture into figure 1 Place in the mold (2), then put it in a vacuum oven with a vacuum degree of 0.08MPa for 15 minutes to remove the air bubbles in the mixture, and finally place the mixture at 25°C for 48 hours to slowly solidify to completely remove the air bubbles, and release the mold after curing to obtain a conductive Silicone rubber model.

[0030] The prepared conductive silicone rubber model is used as the cathode to be plated in the direct electrodepos...

Embodiment 2

[0032] First, mix 100 parts of vinyl silicone oil, 15 parts of graphene oxide and 10 parts of petroleum ether with an electric stirrer at a speed of 150r / min for 3 hours, then place the mixture in an oven at 50°C for 24 hours, and then pour it into the homogeneous mixture Add 50 parts of hydrogen-containing silicone oil and stir for 10 minutes, then continue stirring for 5 minutes with 3 parts of platinum catalyst to obtain conductive silicone rubber with a viscosity of 800CP. Then pour the mixture into figure 1 Place in the mold (2), then put it in a vacuum oven with a vacuum degree of 0.08MPa for 15 minutes to remove the air bubbles in the mixture, and finally place the mixture at 25°C for 54 hours to slowly solidify to completely remove the air bubbles, and release the mold after curing to obtain a conductive Silicone rubber model.

[0033] The prepared conductive silicone rubber model is used as the cathode to be plated in the direct electrodeposition process, metal coppe...

Embodiment 3

[0035] First, 100 parts of vinyl silicone oil, 15 parts of composite conductive fillers (the mass ratio of conductive carbon black and graphene oxide is 1:1) and 10 parts of acetone are mixed for 3 hours with an electric stirrer with a speed of 150 r / min, and then the mixture is placed in Dry in an oven at 50°C for 24 hours, then add 50 parts of hydrogen-containing silicone oil to the uniformly mixed mixture and stir for 10 minutes, then continue stirring for 5 minutes with 3 parts of platinum catalyst to obtain a conductive silicone rubber with a viscosity of 950CP. Then pour the mixture into figure 1 Place in the mold (2), then put it in a vacuum oven with a vacuum degree of 0.08MPa for 15 minutes to remove the air bubbles in the mixture, and finally place the mixture at 25°C for 50 hours to slowly solidify to completely remove the air bubbles, and release the mold after curing to obtain a conductive Silicone rubber model.

[0036] The prepared conductive silicone rubber mo...

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Abstract

The invention discloses a direct-electrodeposition conductive silicone rubber material, and a preparation method and an application thereof, and belongs to the technical field of manufacturing of precision texture molds. Raw materials for preparing the direct-electrodeposition conductive silicone rubber material include, by weight, 80-100 parts of silicone resin, 20-50 parts of a crosslinking agent, 0.5-5 parts of a catalyst, 5-30 parts of a conductive filler and 5-30 parts of a solvent, the silicone resin is a vinyl-terminated linear vinyl silicone oil having a viscosity of 100-500 CP, the crosslinking agent is a hydrogen-containing silicone oil having a hydrogen content of 0.5-3%, and the solvent is any one or a composition containing more of deionized water, ethanol, acetone and petroleum ether. The preparation method and the application of the direct-electrodeposition conductive silicone rubber material solve the problem of failed preparation of reprinted models using precision texture molds, caused by high molding temperature, high viscosity, difficult operation, high linear shrinkage and other defects of raw rubber for existing commercial conductive silicone rubbers; and thedirect-electrodeposition conductive silicone rubber material is highly economical and practical.

Description

technical field [0001] The invention relates to the technical field of precision texture mold manufacturing, in particular to a conductive silicone rubber material that can be directly electrodeposited. Background technique [0002] In the preparation process of precision texture molds, a reprint model that can transmit the texture information of the original mold is required. After the reprint model is treated with surface metallization, a metal mold with the same fine structure can be obtained to meet the molding needs of various precision parts. The reprint model is extremely important in the manufacturing process of precision texture molds. It not only conveys the precise texture information of the original model, but also serves as a conductive carrier for the next stage of surface metallization. The conductive carrier used in the industry cannot be directly electrodeposited and requires secondary conductive treatment, which increases the thickness of the conductive lay...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L83/07C08L83/05C08K3/04
CPCC08K2201/001C08L83/04C08L2205/025C08K3/04C08K3/042
Inventor 窦艳丽董海涛鲁姗姗姚卫国
Owner JILIN UNIV
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