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A kind of silicone gel curing agent for preparing heat insulation material and preparation method thereof

A technology of heat insulating material and silica gel, applied in the directions of silicon oxide, silicon dioxide, etc., can solve the problems of complicated preparation method and practical impact, and achieve the effects of simple preparation method, elimination of gas-liquid dispersion, and wide source of raw materials

Active Publication Date: 2021-03-19
武汉兴应硅材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when the glue is functional, it is generally used between two boards to act as a damping layer. It needs to ensure a certain degree of adhesiveness and weather resistance, and the preparation method is complicated, which has a certain impact on practicability.

Method used

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  • A kind of silicone gel curing agent for preparing heat insulation material and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0028] Embodiment 1 A kind of silicone gel curing agent for preparing thermal insulation material

[0029] The silicone gel curing agent used to prepare heat insulation materials consists of the following components and parts by weight: 20 parts of silicon-based framework material, 0.1 part of filler, 3 parts of initiator, 25 parts of sodium bicarbonate, 4 parts of sodium lauryl sulfate and 48 parts of water.

[0030] The silicon-based skeleton material is composed of methanol silane triol, epoxy silane and amino silane in a weight ratio of 1:4:3.

[0031] The filler is composed of hydroxyapatite and aluminum chloride in a weight ratio of 3:7.

[0032] The initiator is composed of sodium persulfate and dimethylaniline in a weight ratio of 1:1:1.

[0033] The preparation method of the silicone gel curing agent used to prepare heat insulating materials comprises the following steps:

[0034] Mix the silicon-based framework material, filler, initiator, sodium bicarbonate, sod...

Embodiment 2

[0035] Embodiment 2 A kind of silicone gel curing agent for preparing thermal insulation material

[0036] The silicone gel curing agent used to prepare heat insulation materials is composed of the following components and parts by weight: 2.5 parts of silicon-based skeleton material, 0.1 part of filler, 1 part of initiator, 12 parts of ammonia water, 12 parts 1 part of sodium alkylsulfonate and 30 parts of water.

[0037] The silicon-based skeleton material is composed of potassium triethylsiliconate and potassium butyldimethylsiliconate in a weight ratio of 1:4.

[0038] The filler is composed of aluminum hydrate, potassium chloride and aqueous titanium dioxide in a weight ratio of 1:5:3.

[0039] The initiator is composed of methyllithium and magnesium peroxide in a weight ratio of 1:1.

[0040] The preparation method of the silicone gel curing agent used to prepare heat insulating materials comprises the following steps:

[0041]Mix the silicon-based framework materia...

Embodiment 3

[0042] Embodiment 3 A kind of silicone gel curing agent for preparing thermal insulation material

[0043] The silicone gel curing agent used to prepare heat insulation materials consists of the following components and parts by weight: 30 parts of potassium triethylsiliconate, 0.2 parts of calcium chloride, 4 parts of methyl zinc chloride, Potassium hydroxide 30 parts, Span 206 parts and ethanol 62 parts.

[0044] The preparation method of the silicone gel curing agent used to prepare heat insulating materials comprises the following steps:

[0045] Mix potassium triethylsiliconate, calcium chloride, methyl zinc chloride, potassium hydroxide and ethanol in a reaction kettle, set the temperature at 350°C, and the pressure at 2.0Mpa, react for 5 hours, dilute with water, and filter. After the filtrate was allowed to stand for 24 hours, add a corresponding amount of Span 20, stir and filter to obtain the product.

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Abstract

Belonging to the field of curing agents, the invention particularly relates to a silica gel curing agent for preparation of a thermal insulation material and a preparation method thereof. The silica gel curing agent prepared according to the invention is based on a silica gel framework material, filler and a surfactant are added to reach the effects of promoting gel curing, strengthening the gel skeleton structure and passivating the surface in a gel-sol process, meanwhile, the surface tension change in the gelling process can be effectively inhibited, gas-liquid dispersion in the system reaction process is eliminated, the gel preparation process is optimized, the structure of the gel can be kept without collapse during normal-pressure drying, and the mechanical properties and the heat preservation and insulation effect of the obtained silica gel material are remarkably improved.

Description

technical field [0001] The invention belongs to the field of curing agents, and in particular relates to a silicone gel curing agent used for preparing heat insulating materials and a preparation method thereof. Background technique [0002] With the development of the economy and the progress of science, people's requirements for the quality of life are getting higher and higher. In the face of increasingly serious noise pollution and global warming, a comfortable working and living environment is particularly important for people. In the face of noise and heat problems, the main method that can be solved through human intervention is: use certain materials to block noise and high temperature. [0003] For heat insulation, Chinese patent CN103087605B discloses a water-based nano heat insulation material and its preparation method. The material is made of porous water-based nano-SiO 2 Suspoemulsion, inorganic nano TiO 2 , inorganic nano bismuth oxychloride, glass hollow m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B33/14
CPCC01B33/14
Inventor 王中元王翩
Owner 武汉兴应硅材料有限公司
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