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Single-component thermocuring organic silicon adhesive for bonding electric kettle and preparation method of single-component thermocuring organic silicon adhesive

An electric kettle, one-component technology, applied in the direction of adhesives, polymer adhesive additives, non-polymer adhesive additives, etc., can solve the problems of poor storage performance, poor adhesion of substrates, and inability to use

Active Publication Date: 2021-04-23
GUANGDONG PUSTAR SEALED RAYON CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has the following disadvantages: 1. The storage performance of the product is not good, and the storage period at room temperature exceeds 3 months, and the interior is completely cured and cannot be used; 2. The adhesion to the substrate is poor, and it is easy to peel off
For the problem of adhesion, there is no related report

Method used

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  • Single-component thermocuring organic silicon adhesive for bonding electric kettle and preparation method of single-component thermocuring organic silicon adhesive
  • Single-component thermocuring organic silicon adhesive for bonding electric kettle and preparation method of single-component thermocuring organic silicon adhesive
  • Single-component thermocuring organic silicon adhesive for bonding electric kettle and preparation method of single-component thermocuring organic silicon adhesive

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A kind of one-component heat-curable silicone adhesive adhesive for electric kettle bonding of this embodiment, the parts by weight of each component in its formula are:

[0034] Vinyl silicone oil 100 parts

[0035] 4 parts hydrogen silicone oil

[0036] 12 parts of simethicone

[0037] Modified fumed silica 11 parts

[0038] 8 parts viscosifying composition

[0039] Microencapsulated platinum complex 0.2 parts

[0040] Compound inhibitor 0.01 part.

[0041] Among them, the viscosity of vinyl silicone oil is 10000mpa.s, and its vinyl content is 0.15%.

[0042] Among them, hydrogen-containing silicone oil is a compound of low-hydrogen-containing silicone oil and high-hydrogen-containing silicone oil. The hydrogen content of low-hydrogen-containing silicone oil is 0.36%, and the hydrogen content of high-hydrogen-containing silicone oil is 1.58%. The compounding ratio of silicone oil is 1:0.9.

[0043] Wherein, the viscosity of simethicone is 350mpa.s.

[0044]Whe...

Embodiment 2

[0058] A kind of one-component heat-curable silicone adhesive adhesive for electric kettle bonding of this embodiment, the parts by weight of each component in its formula are:

[0059] Vinyl silicone oil 100 parts

[0060] 5 parts of hydrogen silicone oil

[0061] 20 parts of simethicone

[0062] Modified fumed silica 15 parts

[0063] 10 parts of viscosifying composition

[0064] Microencapsulated platinum complex 0.15 parts

[0065] Compound inhibitor 0.01 part.

[0066] Among them, the viscosity of vinyl silicone oil is 5000mpa.s, and its vinyl content is 0.3%.

[0067] Among them, the hydrogen-containing silicone oil is a compound of low-hydrogen-containing silicone oil and high-hydrogen-containing silicone oil. The hydrogen content of low-hydrogen-containing silicone oil is 0.45%, and the hydrogen content of high-hydrogen-containing silicone oil is 1.55%. The compounding ratio of silicone oil is 1:0.9.

[0068] Wherein, the viscosity of simethicone is 100mpa.s.

...

Embodiment 3

[0078] A kind of one-component heat-curable silicone adhesive adhesive for electric kettle bonding of this embodiment, the parts by weight of each component in its formula are:

[0079] 100 parts of vinyl silicone oil,

[0080] 5 parts of hydrogen silicone oil

[0081] 25 parts of simethicone

[0082] Modified fumed silica 15 parts

[0083] 12 parts of tackifying composition

[0084] Microencapsulated platinum complex 0.15 parts

[0085] Compound inhibitor 0.02 part.

[0086] Among them, the viscosity of vinyl silicone oil is 20000mpa.s, and its vinyl content is 0.15%.

[0087] Among them, the hydrogen-containing silicone oil is a compound of low-hydrogen-containing silicone oil and high-hydrogen-containing silicone oil. The hydrogen content of low-hydrogen-containing silicone oil is 0.5%, and the hydrogen content of high-hydrogen-containing silicone oil is 1.6%. The compounding ratio of silicone oil is 1:1.2.

[0088] Wherein, the viscosity of simethicone is 500mpa.s. ...

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Abstract

The invention belongs to the technical field of organic silicon adhesives, and provides a single-component thermocuring organic silicon adhesive for bonding an electric kettle and a preparation method of the single-component thermocuring organic silicon adhesive. The single-component thermocuring organic silicon adhesive for bonding the electric kettle comprises the following components in parts by weight: 100 parts of vinyl silicone oil, 3-6 parts of hydrogen-containing silicone oil, 10-30 parts of dimethyl silicone oil, 10-20 parts of modified fumed silica, 8-15 parts of a tackifying composition, 0.05-0.2 part of a microcapsule type platinum complex and 0.01-0.02 part of a compound inhibitor. According to the single-component thermocuring organic silicon adhesive for bonding the electric kettle, the normal-temperature activity of a catalyst is reduced by adopting a microcapsule type platinum complex, the normal-temperature stability of a system is improved by efficiently compounding an inhibitor, the adhesive has enough long storage performance and operation time at room temperature and can be rapidly cured under a heating condition, and the tackifying composition is added to ensure the bonding performance of stainless steel and a boronized glass base material; and the preparation method is feasible and can be suitable for large-scale production.

Description

technical field [0001] The invention relates to the technical field of silicone adhesives, in particular to a one-component heat-curing silicone adhesive for bonding electric kettles and a preparation method thereof. Background technique [0002] Silicone adhesives are divided into condensation type and addition type. Among them, the condensation type can be cured by moisture at room temperature, but it has slow curing, can not be cured at the same time inside and outside, large shrinkage during vulcanization, and many by-products are produced. shortcoming. In contrast, the addition type is catalyzed by platinum complexes, heats and cures quickly, has minimal shrinkage during the vulcanization process, can be cured deep inside and outside, the vulcanization speed has nothing to do with the ambient humidity, and has excellent high temperature resistance. Most of the existing electric kettle stainless steel heating bases and boronized glass cylinders are bonded with one-compo...

Claims

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Application Information

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IPC IPC(8): C09J183/07C09J183/04C09J183/05C09J11/04C09J11/06C09J11/08
CPCC09J183/04C09J11/04C09J11/06C09J11/08C08L2205/035C08L2205/025C08L2201/08C08L2203/20C08K2201/014C08L83/04C08K13/06C08K9/10C08K9/06C08K7/26C08K5/05C08K5/0091
Inventor 詹锋林国顺任绍志
Owner GUANGDONG PUSTAR SEALED RAYON CO LTD
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