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Anti-aging sealant and preparation method thereof

A sealant, aging-resistant technology, applied in chemical instruments and methods, adhesives, other chemical processes, etc., can solve the problems of curing speed, stability, aging resistance, adhesive strength, etc. that cannot meet the growing needs, and achieve excellent comprehensive performance, good sealing effect

Active Publication Date: 2015-02-18
邯郸市三泰胶业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the two-component solar sealant disclosed above has certain functional characteristics, with the continuous development of solar technology, its own characteristics can no longer meet the needs of development. Its curing speed, stability, aging resistance and adhesive strength etc. cannot meet the growing needs, so further research is needed to develop a sealant with more excellent properties

Method used

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  • Anti-aging sealant and preparation method thereof
  • Anti-aging sealant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] An anti-aging sealant, comprising by weight components: 20 parts of coumarone resin, 5 parts of polysulfide rubber, 5 parts of nitrile rubber, 8 parts of tert-butylphenol formaldehyde resin, 3 parts of nano silicon dioxide, chlorosulfur 2 parts of polyethylene, 2 parts of butyl acrylate, 1 part of aluminum powder, 3 parts of sodium metasilicate, 2 parts of phosphoric acid ester, 1 part of triethanolamine, 1 part of boron nitride, 0.5 parts of paraffin, 2,4-dihydroxy 1 part of benzophenone, 0.8 part of butyl p-hydroxybenzoate.

[0029] Among the above components, the particle size of the aluminum powder is 300 μm, and the particle size of the boron nitride is 200 μm.

[0030] The preparation method of the described aging-resistant sealant comprises the following preparation steps:

[0031] (1) take each component according to parts by weight;

[0032] (2) Add each component into the reaction kettle, mix and stir evenly, then heat to 120°C under the condition of vacuum ...

Embodiment 2

[0034] An aging-resistant sealant, comprising by weight components: 26 parts of coumarone resin, 6 parts of polysulfide rubber, 7 parts of nitrile rubber, 9 parts of tert-butylphenol formaldehyde resin, 4 parts of nano silicon dioxide, chlorosulfur 3 parts of polyethylene, 3 parts of butyl acrylate, 3 parts of aluminum powder, 4 parts of sodium metasilicate, 4 parts of phosphoric acid ester, 2 parts of triethanolamine, 2 parts of boron nitride, 0.8 parts of paraffin, 2,4-dihydroxy 2 parts of benzophenone, 2 parts of butyl p-hydroxybenzoate.

[0035] Among the above components, the particle size of the aluminum powder is 250 μm, and the particle size of the boron nitride is 180 μm.

[0036] The preparation method of the described aging-resistant sealant comprises the following preparation steps:

[0037] (1) take each component according to parts by weight;

[0038] (2) Add each component into the reaction kettle, mix and stir evenly, then heat to 125°C under the condition of...

Embodiment 3

[0040] An aging-resistant sealant, comprising by weight components: 27 parts of coumarone resin, 6 parts of polysulfide rubber, 7 parts of nitrile rubber, 10 parts of tert-butylphenol formaldehyde resin, 5 parts of nano silicon dioxide, chlorosulfur 3 parts of polyethylene, 4 parts of butyl acrylate, 4 parts of aluminum powder, 5 parts of sodium metasilicate, 6 parts of phosphoric acid ester, 2 parts of triethanolamine, 2 parts of boron nitride, 1 part of paraffin, 2,4-dihydroxy 2 parts of benzophenone, 2.2 parts of butyl p-hydroxybenzoate.

[0041] Among the above components, the particle size of the aluminum powder is 250 μm, and the particle size of the boron nitride is 150 μm.

[0042] The preparation method of the described aging-resistant sealant comprises the following preparation steps:

[0043] (1) take each component according to parts by weight;

[0044] (2) Add each component into the reaction kettle, mix and stir evenly, then heat to 130°C under the condition of...

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Abstract

The invention discloses an anti-aging sealant and a preparation method thereof. The sealant comprises the following components in parts by weight: 20-30 parts of coumarone indene resin, 5-10 parts of polysulfide rubber, 5-10 parts of nitrile-butadiene rubber, 8-15 parts of tert-butyl phenol-formaldehyde resin, 3-7 parts of silicon dioxide, 2-6 parts of chlorosulfonated polyethylene, 2-7 parts of butyl acrylate, 1-5 parts of aluminum powder, 3-7 parts of sodium metasilicate, 2-8 parts of phosphate, 1-4 parts of triethanolamine, 1-5 parts of boron nitride, 0.5-2 parts of paraffin, 1-3 parts of 2,4-dihydroxy benzophenone and 0.8-3 parts of butyl p-hydroxy benzoate. The preparation method comprises the following steps: adding the components into a reaction kettle, uniformly mixing, heating to 120-140 DEG C under vacuum conditions, stirring to react for 120-180 minutes, and cooling to room temperature. The sealant disclosed by the invention has the advantages of favorable aging resistance and excellent adhesive property, and is more suitable for the field of solar energy.

Description

technical field [0001] The invention belongs to the technical field of sealing material preparation, and in particular relates to an aging-resistant sealant and a preparation method thereof. Background technique [0002] Sealant is a sealing material that deforms with the shape of the sealing surface, is not easy to flow, and has a certain degree of adhesion. It is an adhesive used to fill the configuration gap and seal it. It has the functions of anti-leakage, waterproof, anti-vibration, sound insulation and heat insulation. Usually dry or non-dry viscous materials such as asphalt, natural resin or synthetic resin, natural rubber or synthetic rubber are used as the base material, and inert fillers such as talcum powder, clay, carbon black, titanium dioxide and asbestos are added. Plasticizers, solvents, curing agents, accelerators, etc. [0003] A sealant is a flowable or extruded amorphous material to fill a closed joint that can rely on embedded drying, temperature cha...

Claims

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Application Information

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IPC IPC(8): C09J145/02C09J161/08C09J161/14C09J181/04C09J109/02C09J133/08C09J11/04C09J11/06C09K3/10
Inventor 黄新东刘天人
Owner 邯郸市三泰胶业有限公司
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