Weather-proofing sealant used for bottom of lens and preparation method thereof

A weather-resistant adhesive and modification technology, which is applied in chemical instruments and methods, adhesives, and other chemical processes, can solve problems such as high cost, poor sealing oil resistance, and difficult cleaning, and achieve low cost, good elasticity, and excellent adhesion. The effect of knot properties

Inactive Publication Date: 2018-02-09
嘉兴天胶新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the problems of high cost, poor sealing oil resistance, and difficult cleaning in the existing technology of special weather-resistant adhesive for mirror bottom, and provide a special weather-resistant

Method used

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  • Weather-proofing sealant used for bottom of lens and preparation method thereof
  • Weather-proofing sealant used for bottom of lens and preparation method thereof
  • Weather-proofing sealant used for bottom of lens and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The special weather-resistant adhesive at the bottom of the mirror in this embodiment 1 is made by the following steps and includes the following steps:

[0018] 1) Weighing raw materials;

[0019] 1) Add modified 107 glue, phenolic modified C9 resin, phenylmaleimide-based silicone resin and methyltrimethoxysilane, push the machine, stir for 5 minutes, vacuumize to -0.09MPa, and then control Speed ​​100r / min, stirring for 15 minutes;

[0020] 2) Add gas-phase silica, stir well, then evacuate to -0.09MPa, then control the speed at 600r / min, and stir for 20min;

[0021] 3) Stop the vacuum, adjust the speed to 300r / min, add dibutyl tin diacetate, tetra-n-butyl titanate and hydroxyl silicone oil, then vacuumize to -0.09, stir for 30 minutes and discharge;

[0022] 4) The consistency is controlled at 8.5 to 9.0.

[0023] 6) Shut down, empty, and check that the viscosity is in the range of 8.5 to 9.0, and the product is qualified and discharged.

[0024] In Table 1 Exampl...

Embodiment 2

[0030] The special weather-resistant adhesive at the bottom of the mirror in this embodiment 2 is made by the following steps and includes the following steps:

[0031] 2) Weighing raw materials;

[0032] 1) Add modified 107 glue, phenolic modified C9 resin, phenylmaleimide-based silicone resin and methyltrimethoxysilane, push the machine, stir for 5 minutes, vacuumize to -0.09MPa, and then control Speed ​​100r / min, stirring for 15 minutes;

[0033] 2) Add gas-phase silica, stir well, then evacuate to -0.09MPa, then control the speed at 600r / min, and stir for 20min;

[0034] 3) Stop the vacuum, adjust the speed to 300r / min, add dibutyl tin diacetate, tetra-n-butyl titanate and hydroxyl silicone oil, then vacuumize to -0.09, stir for 30 minutes and discharge;

[0035] 4) The consistency is controlled at 8.5 to 9.0.

[0036] 6) Shut down, empty, and check that the viscosity is in the range of 8.5 to 9.0, and the product is qualified and discharged.

[0037] In Table 3 Exampl...

Embodiment 3

[0042] The special weather-resistant adhesive at the bottom of the mirror in this embodiment 3 is made by the following steps and includes the following steps:

[0043] 3) Weighing raw materials;

[0044] 1) Add modified 107 glue, phenolic modified C9 resin, phenylmaleimide-based silicone resin and methyltrimethoxysilane, push the machine, stir for 5 minutes, vacuumize to -0.09MPa, and then control Speed ​​100r / min, stirring for 15 minutes;

[0045] 2) Add gas-phase silica, stir well, then evacuate to -0.09MPa, then control the speed at 600r / min, and stir for 20min;

[0046] 3) Stop the vacuum, adjust the speed to 300r / min, add dibutyl tin diacetate, tetra-n-butyl titanate and hydroxyl silicone oil, then vacuumize to -0.09, stir for 30 minutes and discharge;

[0047] 4) The consistency is controlled at 8.5 to 9.0.

[0048] 6) Shut down, empty, and check that the viscosity is in the range of 8.5 to 9.0, and the product is qualified and discharged.

[0049] In Table 5 Exampl...

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PUM

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Abstract

The invention discloses a weather-proofing sealant used for bottom of lens and a preparation method thereof. The weather-proofing sealant comprises the following components by parts: 380-420 parts ofmodified 107 glue, 50-62 parts of phenolic-modified C9 resin, 20-30 parts of phenyl maleimide-based silicone resin, 15-24 parts of methyltrimethoxysilane, 32 parts of gas-phase silica, 0.1-0.4 parts of dibutyltin diacetate, 0.3-0.6 parts of tetra-n-butyl titanate, and 10-14 parts of hydroxyl silicone oil. The weather-proofing sealant has the advantages of excellent weatherability, little smell, and good construction performance, is suitable for assembling and sealing various glass, and has good bonding property.

Description

technical field [0001] The invention relates to the technical field of silicone sealants, in particular to a special weather-resistant glue for mirror bottoms and a preparation method thereof. Background technique [0002] Silicone sealant is a kind of general-purpose sealing material. When used, the rubber is extruded from the hose or sealing cylinder, and it is cross-linked into an elastomer after contacting the moisture in the air. The components of the rubber include reactive base polymers ( base), crosslinking agents, catalysts, fillers, plasticizers and other functional additives. Silicone sealant has excellent physical and chemical properties such as UV resistance, ozone resistance, heat resistance, and low temperature flexibility. It has good adhesion to substrates, convenient construction, and fast curing speed. It is widely used in the assembly and manufacturing of automobiles and home appliances. One of the important process materials, it plays an important role ...

Claims

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Application Information

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IPC IPC(8): C09J183/04C09J157/02C09J183/08C09J11/06C09J11/04C09K3/10
CPCC08L2201/08C08L2205/025C08L2205/035C09J11/04C09J11/06C09J183/04C09K3/10C08L83/04C08L57/02C08L83/08C08K3/36C08K5/10C08K5/5419
Inventor 李进
Owner 嘉兴天胶新材料股份有限公司
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