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A kind of flame retardant molecular chain grafted mesoporous silica modified epoxy resin coating and preparation method thereof

A technology of mesoporous silica and epoxy resin coatings, which is applied in the direction of epoxy resin coatings, fireproof coatings, coatings, etc., can solve the problems of weak flame retardancy of inorganic compounds, increase thermal stability, and suppress toxic smoke gas effect

Active Publication Date: 2022-06-24
深圳市锦旺兴绝缘材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Utilizing the shielding barrier of graphene, the adsorption of combustible gases by mesoporous silica, and the synergistic flame retardancy of zinc hydroxystannate catalyzed into charcoal, the smoke suppression and flame retardancy of polymer materials can be improved, but the flame retardancy of inorganic compounds Weak, need to further improve its flame retardant efficiency

Method used

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  • A kind of flame retardant molecular chain grafted mesoporous silica modified epoxy resin coating and preparation method thereof
  • A kind of flame retardant molecular chain grafted mesoporous silica modified epoxy resin coating and preparation method thereof

Examples

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Effect test

Embodiment 1

[0035] The present embodiment provides the following technical solutions: the preparation of a flame retardant molecular chain grafted mesoporous silica modified epoxy resin coating, the specific preparation process is as follows:

[0036] Add 100g epoxy resin, 10g flame retardant molecular chain grafted mesoporous silica, 1.5g stearic acid monoglyceride, 2.1g organic microwax powder, 0.8g dimethyl silicone oil into deionized water, stir and mix well, The flame retardant molecular chain grafted mesoporous silica modified epoxy resin coating is obtained.

[0037] The preparation of flame-retardant molecular chain grafted mesoporous silica, the specific preparation process is as follows:

[0038] (a1) 5 g of mesoporous silica was mixed with 4.5 g of 3-aminopropyltriethoxysilane, refluxed at 80° C. for 22 h, filtered, washed and dried overnight to obtain aminated mesoporous silica.

[0039] (b1) 7.5g of aminated mesoporous silica and 9g of flame retardant molecular chains prepar...

Embodiment 2

[0044] The present embodiment provides the following technical solutions: the preparation of a flame retardant molecular chain grafted mesoporous silica modified epoxy resin coating, the specific preparation process is as follows:

[0045] Add 100g epoxy resin, 11.5g flame retardant molecular chain grafted mesoporous silica, 1.5g stearic acid monoglyceride, 2.1g organic microwax powder, 0.8g dimethicone into deionized water, stir and mix well to obtain the flame retardant molecular chain grafted mesoporous silica modified epoxy resin coating.

[0046] The preparation of flame-retardant molecular chain grafted mesoporous silica, the specific preparation process is as follows:

[0047] (a1) 5 g of mesoporous silica was mixed with 4.5 g of 3-aminopropyltriethoxysilane, refluxed at 80° C. for 22 h, filtered, washed and dried overnight to obtain aminated mesoporous silica.

[0048] (b1) 7.5g of aminated mesoporous silica and 9g of flame retardant molecular chains prepared in step (a...

Embodiment 3

[0053] The present embodiment provides the following technical solutions: the preparation of a flame retardant molecular chain grafted mesoporous silica modified epoxy resin coating, the specific preparation process is as follows:

[0054] Add 100g epoxy resin, 13g flame retardant molecular chain grafted mesoporous silica, 1.5g stearic acid monoglyceride, 2.1g organic microwax powder, 0.8g dimethicone into deionized water, stir and mix well, The flame retardant molecular chain grafted mesoporous silica modified epoxy resin coating is obtained.

[0055] The preparation of flame-retardant molecular chain grafted mesoporous silica, the specific preparation process is as follows:

[0056] (a1) 5 g of mesoporous silica was mixed with 4.5 g of 3-aminopropyltriethoxysilane, refluxed at 80° C. for 22 h, filtered, washed and dried overnight to obtain aminated mesoporous silica.

[0057] (b1) 7.5g of aminated mesoporous silica and 9g of flame retardant molecular chains prepared in step...

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Abstract

The invention specifically discloses a preparation method of flame retardant molecular chain grafted mesoporous silica modified epoxy resin coating and the preparation method thereof. The method involves the synthesis of flame-retardant molecular chains and the preparation process of aminated mesoporous silicon dioxide, and the flame-retardant molecular chain grafted mesoporous silicon dioxide is obtained through ammonium phosphate reaction. Using epoxy resin, flame retardant molecular chain grafted mesoporous silica, monoglyceride stearate, organic microwax powder, and dimethyl silicone oil as raw materials, a flame retardant molecular chain grafted mesoporous silica modified epoxy resin was synthesized. Resin coating. This invention solves the problems of weak flame retardancy of inorganic compound flame retardants and poor toughness of traditional epoxy resin coatings. Through the good synergistic effect of flame retardant molecular chains and mesoporous silica, the resistance of epoxy resin coatings is improved. flammability and mechanical properties.

Description

technical field [0001] The invention relates to the technical field of epoxy resins, in particular to a flame retardant molecular chain grafted mesoporous silica modified epoxy resin coating and a preparation method thereof. Background technique [0002] Coatings, as one of the five major synthetic polymer materials in my country, ranks first in the world in terms of production. Like most polymer materials, coatings are flammable and combustible. The use and application in various industries are also becoming more and more extensive. It is inevitable to consider its flammability. The coating will be accompanied by the generation of smoke and the phenomenon of melting and dripping during the combustion process. The flame spreads very fast and It is not easy to extinguish, causing casualties and huge economic losses. It is an important way to solve the burning of coatings in fire accidents by imparting flame retardancy to coatings. [0003] Epoxy resin coatings have a series of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D5/18C09D7/65C09D7/63
CPCC09D163/00C09D5/18C09D7/65C09D7/63C08L2201/02C08L87/005C08L83/04C08K5/103
Inventor 龙杰吴苏州陈俊孚李晓云
Owner 深圳市锦旺兴绝缘材料有限公司
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