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Two-component bonding nylon silica gel and preparation method thereof

A two-component, bonding technology, applied in the direction of adhesives, non-polymer adhesive additives, adhesive additives, etc., can solve the problem that the bonding strength of silicone rubber is difficult to meet the requirements, and achieve good bonding effect and reduce odor , Improve the effect of vulcanization efficiency

Inactive Publication Date: 2018-12-04
JIANGSU TIANCHEN NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is difficult to meet the requirements for the bonding strength of silicone rubber to be applied to the bonding of two-component and nylon. Therefore, it is of great significance to study the bonding of nylon and silicone rubber.

Method used

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  • Two-component bonding nylon silica gel and preparation method thereof
  • Two-component bonding nylon silica gel and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A two-component adhesive nylon silica gel provided in this embodiment and its preparation method are as follows:

[0020] S1. Add 100 parts of methyl vinyl raw rubber with a vinyl molar content of 0.25% into the kneader, and stir for 2 to 4 minutes;

[0021] S2. Add 50 parts of fumed white carbon black, 1801:2 stearic acid, 4 parts of hydroxy silicone oil and 4 parts of vinyl triethoxysilane in several times, and stir thoroughly after each addition to obtain a silicone rubber compound ;

[0022] S3. After kneading and molding, heat up to 150°C, vacuumize, pass cooling water to cool down to 80°C, and produce rubber to obtain mixed silicone rubber; S4. Cool to room temperature after the glue is produced, and divide the silica gel into group A and group B In component A, add 0.5 parts of hydrogen-containing silicone oil and 3 parts of binder, and in component B, add 0.5 parts of tetramethyldivinyl disiloxane complex of chloroplatinic acid and 1 part of 2-propyn-1-ol part...

Embodiment 2

[0026] A two-component adhesive nylon silica gel provided in this embodiment and its preparation method are as follows:

[0027] S1. Add 100 parts of methyl vinyl raw rubber with a vinyl molar content of 0.25% into the kneader, and stir for 2 to 4 minutes;

[0028] S2. Add 55 parts of fumed white carbon black, 1801:3 stearic acid, 3 parts of hydroxy silicone oil and 3 parts of vinyltriethoxysilane in several times, and stir thoroughly after each addition to obtain a silicone rubber compound ;

[0029] S3. After kneading and molding, heat up to 150°C, vacuumize, pass cooling water to cool down to 80°C, and produce rubber to obtain mixed silicone rubber; S4. Cool to room temperature after the glue is produced, and divide the silica gel into group A and group B In component A, add 1 part of hydrogen-containing silicone oil and 4 parts of binder, and in component B, add 1 part of chloroplatinic acid tetramethyldivinyldisiloxane complex and 2-propyn-1-ol 2 parts to obtain a two-c...

Embodiment 3

[0032] A two-component adhesive nylon silica gel provided in this embodiment and its preparation method are as follows:

[0033] S1. Add 100 parts of methyl vinyl raw rubber with a vinyl molar content of 0.25% into the kneader, and stir for 2 to 4 minutes;

[0034] S2. Add 60 parts of fumed white carbon black, 1801:2 stearic acid, 5 parts of hydroxy silicone oil and 5 parts of vinyl triethoxysilane in several times, and stir thoroughly after each addition to obtain a silicone rubber compound ;

[0035] S3. After kneading and molding, heat up to 150°C, vacuumize, pass cooling water to cool down to 80°C, and produce rubber to obtain mixed silicone rubber; S4. Cool to room temperature after the glue is produced, and divide the silica gel into group A and group B In component A, add 2 parts of hydrogen-containing silicone oil and 5 parts of binder, and in component B, add 2 parts of chloroplatinic acid tetramethyldivinyldisiloxane complex and 3 parts of 2-propyn-1-ol parts to ob...

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Abstract

The invention discloses a two-component bonding nylon silica gel, belonging to the technical field of silicone rubber materials. The two-component bonding nylon silica gel comprises, by weight, 100 parts of methyl vinyl rubber containing 0.25% by mol of vinyl groups, 30-80 parts of fumed silica, 3-6 parts of hydroxyl silicone oil, 3-6 parts of vinyl triethoxysilane, 2 to 4 parts of stearic acid 1801, 3 to 5 parts of a binder, 0.5 to 5 parts of hydrogen-containing silicone oil, 0.5 to 5 parts of an inhibitor and 0.5 to 5 parts of a platinum complex. The two-component a bonding nylon silica gelprepared in the invention has excellent bonding performance with nylon, sufficient strength and good processing properties, is not prone to deformation, and can fully meet the requirements of food tableware.

Description

technical field [0001] The invention relates to the technical field of silicone rubber material manufacturing, in particular to a two-component bonding nylon silicone and a preparation method. Background technique [0002] Silicone rubber / nylon kitchen utensils are made of silica gel on the surface and nylon inside. They have many excellent properties such as environmental protection, high temperature resistance and chemical stability, and are more and more favored by consumers. Addition-type silicone rubber has a series of advantages: fast vulcanization speed, basically no small molecular substances are released during the vulcanization process, non-toxic and tasteless, and does not require secondary vulcanization, so it is widely used in food tableware. However, it is difficult to meet the requirements for the bonding strength of silicone rubber to be applied to the bonding of two-component and nylon. Therefore, it is of great significance to study the bonding of nylon and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J183/07C09J183/05C09J11/04C09J11/06
CPCC09J183/04C08L2205/025C09J11/04C09J11/06C08L83/04C08K3/36C08K5/09C08K5/5425
Inventor 宋顺刚徐文俊蔡杨张旭
Owner JIANGSU TIANCHEN NEW MATERIALS
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