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Method for production of silicone adhesive

A production method and technology for silicone glue, applied in the production field of silicone glue, can solve the problems of skinning on products, affecting the quality of silicone glue products, low production efficiency, etc., so as to improve production efficiency, save labor, guarantee The effect of product quality

Active Publication Date: 2010-06-09
FOSHAN GOLD SILVER RIVER INTELLIGENT EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This production method has the following disadvantages: not only the production efficiency is low, but also the materials are sometimes exposed to the air during the manufacturing process, which may easily cause skinning in the product and affect the quality of silicone rubber products.

Method used

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  • Method for production of silicone adhesive
  • Method for production of silicone adhesive

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Embodiment Construction

[0026] In order for those skilled in the art to better understand the technical solutions provided by the present invention, the following will be described in conjunction with specific embodiments.

[0027] The production method of silicone glue provided by the invention is obtained by adding the following materials into a twin-screw extruder:

[0028] 1. 80-120 parts of polysiloxane, the molecular formula is R`O-[SiOR2]n-SiOR`, where R is methyl, ethyl, propyl, vinyl or phenyl; R` is -OH or Polyalkoxysilyl;

[0029] 2. 1-20 parts of cross-linking agent, the molecular formula is R-Si(R`)3, where R is methyl, ethyl, propyl, vinyl or phenyl, and R` is methoxy, ethoxy , propoxy, methyl ethyl ketoxime or acetoxy;

[0030] 3. 0.1 to 5 parts of silicone coupling agent;

[0031] 4. 2 to 60 parts of filler: white carbon black (fumed silica or precipitated silica);

[0032] 5. 2 parts to 180 plasticizers: methyl silicone oil, mineral oil, etc.;

[0033] 6. 0.01 to 5 parts of cata...

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Abstract

The invention discloses a method for the production of silicone adhesive, comprising the step of adding materials into a double screw extruder, followed by mixing and stirring to result in the silicone adhesive, wherein the materials comprise: polysiloxane, cross-linking agent, filler, plasticizing agent, coupling agent and catalyst. The method for the production of silicone adhesive according tothe invention can enhance the production efficiency of the silicone adhesive and guarantee the quality of silicone adhesive products simultaneously.

Description

technical field [0001] The invention relates to the production field of silicone glue, in particular to a production method of silicone glue. Background technique [0002] At present, silicone adhesives are used as sealants, adhesives, and potting agents, and are widely used in construction, machinery, automobiles, and electronics. In most cases, silicone rubber is a high-viscosity paste, which needs to be produced with a stirring tank without dead ends (such as a planetary stirring tank, kneader). Various materials are added to the stirring tank in a certain order, and after mixing, reaction and vacuum degassing, the product can be packed in an airtight container. This production method has the following disadvantages: Not only is the production efficiency low, but also the materials are sometimes exposed to the air during the manufacturing process, which may easily cause skinning in the product and affect the quality of the silicone rubber product. Contents of the inven...

Claims

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Application Information

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IPC IPC(8): C08L83/04C08L83/07C08K3/36C08K5/5425C08K5/5465C08K5/5419B29B7/48B29B7/60B29B7/58
CPCB29B7/603B29B7/845B29B7/86B29C48/297B29C48/40
Inventor 张启发梁可
Owner FOSHAN GOLD SILVER RIVER INTELLIGENT EQUIP CO LTD
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