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Composite intumescent flame retardant and preparation method thereof

A compound expansion type and flame retardant technology, applied in the field of flame retardants, can solve the problems of large quantities, secondary hazards, toxic and corrosive properties, etc., and achieve the effects of simple preparation process, reduced smoke generation, and good flame retardant effect

Inactive Publication Date: 2015-04-22
SHIFANG TAIFENG NEW FLAME RETARDANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The traditional flame retardants are mainly bromine-antimony flame retardants, but when a fire occurs, such halogen-containing flame retardants will produce a large amount of smoke and toxic corrosive hydrogen halide gas, causing secondary hazards

Method used

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  • Composite intumescent flame retardant and preparation method thereof

Examples

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Effect test

Embodiment 1

[0050] A composite intumescent flame retardant, which is composed of ammonium polyphosphate, melamine polyphosphate, melamine, dipentaerythritol, magnesium hydroxide, aluminum hydroxide and zinc borate, the weight percentage of each substance is 40%, 10%, 15%, 20%, 5%, 5%, and 5%.

Embodiment 2

[0052] A composite intumescent flame retardant, which is composed of ammonium polyphosphate, melamine phosphate, melamine, dipentaerythritol, magnesium hydroxide, aluminum hydroxide and zinc borate, the weight percentage of each substance is 40%, 10%, 15% %, 20%, 5%, 5%, and 5%.

Embodiment 3

[0054] A composite intumescent flame retardant, which is composed of ammonium polyphosphate, melamine polyphosphate, melamine, pentaerythritol, magnesium hydroxide and zinc borate, and the weight percentage of each substance is 25%, 25%, 15%, and 20% in sequence , 10% and 5%.

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Abstract

The invention discloses a composite intumescent flame retardant which is composed of the following components in percentage by weight: 50-65% of acid source, 10-20% of gas source, 15-20% of carbon source and 10-20% of smoke inhibitor. The acid source is composed of at least one of ammonium polyphosphate, melamine phosphate and melamine polyphosphate, wherein the ammonium polyphosphate is crystal II ammonium polyphosphate with the average degree of polymerization of greater than 1000; the gas source is composed of at least one of melamine and dicyandiamide; the carbon source is composed of at least one of pentaerythritol and bis pentaerythritol; and the smoke inhibitor is composed of at least one of magnesium hydroxide, aluminum hydroxide and zinc borate. The invention also discloses a preparation method of the composite intumescent flame retardant.

Description

technical field [0001] The invention relates to a flame retardant, in particular to a composite intumescent flame retardant and a preparation method thereof. Background technique [0002] The traditional flame retardants are mainly bromine-antimony flame retardants, but when a fire occurs, these halogen-containing flame retardants will produce a large amount of smoke and toxic corrosive hydrogen halide gas, causing secondary hazards. Studies have shown that after a fire broke out, very few people were actually burned to death, and most of the victims died because of inhaling a large amount of toxic smoke. Contents of the invention [0003] Based on this, aiming at the shortcomings of the existing flame retardants, the present invention provides a composite intumescent flame retardant and a preparation method thereof, which can well have the characteristics of halogen-free, low-smoke, and low-toxicity. [0004] In order to solve the above technical problems, the present in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M15/564D06M11/72D06M13/453D06M13/364D06M13/432D06M13/148D06M13/165D06M11/44D06M11/45D06M11/82D06M101/32
Inventor 李博陈荣义
Owner SHIFANG TAIFENG NEW FLAME RETARDANT
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