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Triazinyl nitrogen-phosphorus flame retardant, preparation method and water-based acrylic coating

A technology of triazine-based nitrogen-phosphorus system and water-based acrylic acid, which is applied in the field of flame-retardant materials, can solve the problems of material performance degradation and affect the appearance of products, and achieve the effect of improving flame-retardant efficiency

Active Publication Date: 2021-09-07
武汉海翎化学工业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the dissolution and diffusion of triazine small molecules in the matrix, this metastable condition will cause them to diffuse to the surface of the matrix and deposit on the surface, which not only affects the appearance of the product, but also causes a decline in material performance

Method used

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  • Triazinyl nitrogen-phosphorus flame retardant, preparation method and water-based acrylic coating
  • Triazinyl nitrogen-phosphorus flame retardant, preparation method and water-based acrylic coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] 100 parts of water-based acrylic emulsion, 15 parts of triazine-based nitrogen-phosphorus flame retardant, 0.5 part of defoamer, 0.5 part of leveling agent, 1.5 parts of thickener, mix them evenly, and place them in a film-forming plate to form a film.

[0032] The limiting oxygen index (LOI) of the prepared triazine-based nitrogen-phosphorus flame-retardant waterborne acrylic coating increased from 17.8% to 27.3% compared with the blank sample (coating without flame retardant).

Embodiment 2

[0034] 100 parts of water-based acrylic emulsion, 20 parts of triazine-based nitrogen-phosphorus flame retardant, 0.5 parts of defoamer, 0.5 parts of leveling agent, 1.5 parts of thickener, mix them evenly, and place them in a film-forming plate to form a film.

[0035] The limiting oxygen index (LOI) of the prepared triazine-based nitrogen-phosphorus flame-retardant waterborne acrylic coating increased from 17.1% to 29.4% compared with the blank sample (coating without flame retardant).

Embodiment 3

[0037] 100 parts of water-based acrylic emulsion, 25 parts of triazine-based nitrogen-phosphorus flame retardant, 0.5 part of defoamer, 0.5 part of leveling agent, 1.5 parts of thickener, mix them evenly, and place them in a film-forming plate to form a film.

[0038] The limiting oxygen index (LOI) of the prepared triazine-based nitrogen-phosphorus flame-retardant waterborne acrylic coating increased from 18.9% to 33.2% compared with the blank sample (coating without flame retardant).

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Abstract

The invention relates to a triazinyl nitrogen-phosphorus flame retardant, a preparation method and a water-based acrylic coating, the triazinyl nitrogen-phosphorus flame retardant is prepared by the following steps: modifying cyanuric chloride by using allyl hydroxyethyl ether, introducing double bonds into triazinyl, and then carrying out addition reaction on 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide and the double bonds, and finally, blending the prepared flame retardant with a water-based acrylic emulsion to prepare the flame-retardant coating with excellent performance. The water-based acrylic coating comprises the following components in parts by weight: 100 parts of water-based acrylic emulsion, 15-25 parts of a triazinyl nitrogen-phosphorus flame retardant, 0.5 part of a defoaming agent, 0.5 part of a flatting agent and 1.5 parts of a thickening agent. The prepared flame-retardant coating overcomes the defects that a common micromolecular triazinyl flame retardant is easy to hydrolyze and migrate; the modified triazinyl and DOPO construct a nitrogen-phosphorus synergistic flame-retardant system, so that the flame-retardant efficiency is greatly improved.

Description

technical field [0001] The invention relates to the technical field of flame retardant materials, in particular to a triazine-based nitrogen-phosphorus flame retardant, a preparation method and a water-based acrylic paint. Background technique [0002] In the development of flame-retardant water-based acrylic coatings, the halogen-based flame retardants widely used in the early stage have the remarkable advantages of high flame-retardant efficiency, less dosage, and low price, but the halogen-based flame retardants will release toxic gases when burned, which is harmful to harm to the human body. Therefore, it is particularly important to develop a high-performance halogen-free flame-retardant waterborne acrylic coating. [0003] At present, the main way to prepare halogen-free flame-retardant water-based acrylic coatings is to add inorganic flame retardants, such as aluminum hydroxide / magnesium hydroxide, ammonium polyphosphate, expanded graphite, etc. Chinese patent CN 10...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F9/6571C09D133/00C09D5/18
CPCC07F9/657172C09D133/00C09D5/18C08K5/5313
Inventor 高建明李瑞海鄢瑞勤
Owner 武汉海翎化学工业有限公司
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