Environment-friendly fluorine-free foaming agent and preparation method thereof

A foaming agent and an environmentally friendly technology, which is applied in the field of environmentally friendly fluorine-free foaming agent and its preparation, can solve the problems of being unable to meet the temperature requirements of the artificial leather coating method and calendering method, limiting the scope of use, and not being suitable for the artificial leather production process. High market promotion and application value, good foam stability, green effect in use and production process

Inactive Publication Date: 2019-11-12
梁剑
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is suitable for the preparation process requirements of various rubbers. However, the decomposition products of the foaming agent will produce corrosive gases such as ammonia, which is not suitable for the production process of artificial leather, and cannot meet the temperature requirements of the artificial leather coating method and calendering method. requirements, its scope of use has been greatly limited

Method used

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  • Environment-friendly fluorine-free foaming agent and preparation method thereof

Examples

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Effect test

Embodiment 1

[0024] An environmentally friendly fluorine-free foaming agent, made of the following raw materials in parts by weight: 4 parts of sulfonylhydrazide bis(2-hydroxyethyl)-2-aminoethanesulfonic acid carbonate, poly-1,4- 3 parts of N-nitrosodiisopropanolamine cyclohexanedicarboxylate, 0.3 part of sodium glycinate carbonate, 0.5 part of triethanolamine oleic acid soap, 0.1 part of cyclopentyl-N-succinimidyl carbonate .

[0025] The preparation method of the sulfonylhydrazide bis(2-hydroxyethyl)-2-aminoethanesulfonic acid carbonate comprises the steps of: 1,2-bis(methylsulfonyl)-1-(2-chloro Add 14.4g of ethyl)-2-(methylaminocarbonyl)hydrazine and 10g of N,N-bis(2-hydroxyethyl)-2-aminoethanesulfonic acid into 80g of ether, and stir the reaction at 40°C for 6 hours. Afterwards, the solvent was removed by rotary evaporation, washed 3 times with ether, and then the ether was removed by rotary evaporation, and then added to 100 g of an aqueous solution of sodium carbonate with a mass fr...

Embodiment 2

[0029] An environmentally friendly fluorine-free blowing agent, made of the following raw materials in parts by weight: 5 parts of sulfonylhydrazide bis(2-hydroxyethyl)-2-aminoethanesulfonic acid carbonate, poly-1,4- 4 parts of N-nitrosodiisopropanolamine cyclohexanedicarboxylate, 0.4 part of sodium glycinate carbonate, 0.6 part of triethanolamine oleic acid soap, 0.2 part of cyclopentyl-N-succinimidyl carbonate .

[0030]The preparation method of the sulfonylhydrazide bis(2-hydroxyethyl)-2-aminoethanesulfonic acid carbonate comprises the steps of: 1,2-bis(methylsulfonyl)-1-(2-chloro Add 14.4g of ethyl)-2-(methylaminocarbonyl)hydrazine and 10g of N,N-bis(2-hydroxyethyl)-2-aminoethanesulfonic acid into 95g of ethyl acetate, and stir the reaction at 45°C for 6.5 hour, and then the solvent was removed by rotary evaporation, washed 4 times with diethyl ether, and then the ether was removed by rotary evaporation, and then added in 130 g of an aqueous solution of sodium carbonate w...

Embodiment 3

[0034] An environmentally friendly fluorine-free foaming agent, made of the following raw materials in parts by weight: 7 parts of sulfonylhydrazide bis(2-hydroxyethyl)-2-aminoethanesulfonic acid carbonate, poly-1,4- 4.5 parts of N-nitrosodiisopropanolamine cyclohexanedicarboxylate, 0.45 parts of sodium glycinate carbonate, 0.8 parts of triethanolamine oleic acid soap, 0.25 parts of cyclopentyl-N-succinimidyl carbonate .

[0035] The preparation method of the sulfonylhydrazide bis(2-hydroxyethyl)-2-aminoethanesulfonic acid carbonate comprises the steps of: 1,2-bis(methylsulfonyl)-1-(2-chloro Add 14.4g of ethyl)-2-(methylaminocarbonyl)hydrazine and 10g of N,N-bis(2-hydroxyethyl)-2-aminoethanesulfonic acid into 100g of acetone, and stir the reaction at 50°C for 7 hours. Afterwards, the solvent was removed by rotary evaporation, washed 4 times with ether, and after the ether was removed by rotary evaporation, the mass fraction was added in 150 g of an aqueous solution of sodium ...

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Abstract

The invention discloses an environment-friendly fluorine-free foaming agent. The environment-friendly fluorine-free foaming agent is characterized in that the environment-friendly fluorine-free foaming agent is prepared from the following raw materials in parts by weight: 4-10 parts of sulfonylhydrazino bis(2-hydroxyethyl)-2-taurine carbonate, 3-6 parts of poly1,4-cyclohexane diformic acid N-nitroso diisopropanolamine ester, 0.3-0.6 part of sodium glycine carbonate, 0.5-1 part of triethanolamine oleate soap and 0.1-0.4 part of cyclopentyl-N-succinimide carbonate. The invention further discloses a preparation method of the environment-friendly fluorine-free foaming agent. According to the environment-friendly fluorine-free foaming agent, the safety is good, the use and production process isgreen and environmentally friendly, ozone depletion potential is zero, the foaming effect is remarkable, and the foam stability is good.

Description

technical field [0001] The invention relates to the technical field of foaming agents, in particular to an environmentally friendly fluorine-free foaming agent and a preparation method thereof. Background technique [0002] With the advancement of science and technology and the development of economy, foaming materials have gradually entered people's lives, and are warmly welcomed by people because of their high functional added value. This type of material is usually formed by adding a foaming agent to the original material. It contains a large number of gas micropores inside. It has the characteristics of light weight, heat insulation, sound absorption, and shock absorption. It is widely used in metallurgy, chemical industry, and energy. , electronics, transportation, national defense, biology, environmental protection, machinery and many other fields. Foaming agent is an auxiliary agent widely used in the manufacturing process of foaming materials. It can endow foaming m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J9/10C08J9/08
CPCC08J9/08C08J9/10C08J9/105C08J9/107C08J2203/02C08J2203/04
Inventor 梁剑
Owner 梁剑
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