Fireproof paint based on zirconium phosphate and methacrylic acid composite modified acrylate core-shell emulsion and preparation method of fireproof paint

A technology of methacrylic acid and compound modification, which is applied in the direction of fireproof coatings, coatings, etc., can solve the problems of poor water resistance and stain resistance, poor aging resistance and oxidation resistance, and is not suitable for wide application. The layer is firm, promotes the thermal oxidation crosslinking reaction, and is not easy to break through the flame

Inactive Publication Date: 2019-05-10
WUHAN INSTITUTE OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the prepared acrylate emulsion usually has the disadvantages of high film temperature, high temperature back tack, poor water resistance and stain resistance, such as the organosilicon-modified acrylate core-shell emulsion disclosed in the patent CN 102391412. Acrylate emulsion is modified, but its aging resistance and oxidation resistance are not good, it is easy to yellow, and the cost is high, so it is not suitable for wide application

Method used

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  • Fireproof paint based on zirconium phosphate and methacrylic acid composite modified acrylate core-shell emulsion and preparation method of fireproof paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] A fireproof coating based on zirconium phosphate and methacrylic acid composite modified acrylate core-shell emulsion, each component and its mass percentage are: zirconium phosphate and methacrylic acid composite modified acrylate core-shell emulsion 20%, poly Ammonium phosphate 36%, pentaerythritol 12%, melamine 12%, titanium dioxide 3%, hydroxyethyl cellulose 0.5%, dispersant 0.5%, defoamer 0.5%, n-octanol 0.5%, water 15%, and its preparation method includes The following steps:

[0047] 1) Weigh the raw materials according to the above proportioning requirements;

[0048] 2) Grind the weighed ammonium polyphosphate, pentaerythritol, melamine, titanium dioxide, and hydroxyethyl cellulose into powder, then add water to fully grind and mix evenly; then add defoamer and dispersant, and continue to grind fully;

[0049] 3) Finally, zirconium phosphate and methacrylic acid composite modified acrylate core-shell emulsion and n-octanol are added and thoroughly ground and m...

Embodiment 2

[0051] A fireproof coating based on zirconium phosphate and methacrylic acid composite modified acrylate core-shell emulsion, each component and its mass percentage are: zirconium phosphate and methacrylic acid composite modified acrylate core-shell emulsion 25%, poly Ammonium phosphate 36%, pentaerythritol 12%, melamine 12%, titanium dioxide 3%, hydroxyethyl cellulose 0.5%, dispersant 0.5%, defoamer 0.5%, n-octanol 0.5%, water 10%, and its preparation steps are the same as Example 1.

Embodiment 3

[0053] A fireproof coating based on zirconium phosphate and methacrylic acid composite modified acrylate core-shell emulsion, each component and its mass percentage are: 30% of zirconium phosphate and methacrylic acid composite modified acrylate core-shell emulsion, poly Ammonium phosphate 36%, pentaerythritol 12%, melamine 12%, titanium dioxide 3%, hydroxyethyl cellulose 0.5%, dispersant 0.5%, defoamer 0.5%, n-octanol 0.5%, water 5%, and its preparation steps are the same as Example 1.

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Abstract

The invention discloses fireproof paint based on zirconium phosphate and methacrylic acid composite modified acrylate core-shell emulsion. The zirconium phosphate and methacrylic acid composite modified acrylate core-shell emulsion, ammonium polyphosphate, pentaerythritol, melamine, titanium dioxide, hydroxyethyl cellulose, dispersing agents, defoaming agents, n-octyl alcohol and water serve as main raw materials and are compounded to form the fireproof paint. The modified acrylate core-shell emulsion is provided with a soft core and hard shell structure, a soft core portion is modified by zirconium phosphate, a hard shell portion is crosslinked by methacrylic acid, the flame resistance and the water resistance of the acrylate core-shell emulsion can be effectively improved, and excellentaging resistance and yellowing resistance are shown. The prepared fireproof paint has the advantages of long fireproof time, long service life, strong weather resistance, good ornamental feature, water-based environmental protection and the like. Moreover, the fireproof paint is simple to prepare and suitable for popularization and application.

Description

technical field [0001] The invention belongs to the technical field of polymer emulsions and coatings, and in particular relates to a fireproof coating based on zirconium phosphate and methacrylic acid composite modified acrylate core-shell emulsion and a preparation method thereof. Background technique [0002] In today's society, fires occur frequently, which not only cause loss of people's lives and property, but also seriously damage the surrounding ecological environment. Therefore, people pay more and more attention to fire protection. Among the numerous fire protection technical solutions, fire retardant coatings have been widely used in engineering due to their excellent fire performance, convenient construction, good decoration, economical and environmental protection. As the matrix of fire retardant coatings, emulsion acts as the skeleton of life, and the performance of emulsion plays a decisive role in the performance of fire retardant coatings. [0003] Among ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/08C09D133/12C09D5/18C08F265/06C08F2/44
Inventor 刘治田王成胡清华张旗刘诗
Owner WUHAN INSTITUTE OF TECHNOLOGY
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