Composition, fireproof coating containing composition and preparation method of fireproof coating

A fire-resistant coating and composition technology, applied in the field of flame-retardant materials, can solve the problems of small number of parts, large amount of use, and inability to form hard ceramic bodies, etc., and achieve the effect of increasing the fire-resistant limit, improving the fire-resistant limit, and facilitating popularization and use

Active Publication Date: 2021-11-23
镇江朗赛夫新材料科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The core of its raw materials is aluminum hydroxide and magnesium hydroxide, and the relatively large amount of raw materials is used. Through the principle of thermal decomposition and heat absorption of metal hydroxides, the purpose of flame retardancy and smoke suppression is achieved. Aluminum phosphate and bentonite are only used as fillers and account for the total composition. The number is very small, even if it participates in sintering, the amount is too small to form a hard ceramic body

Method used

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  • Composition, fireproof coating containing composition and preparation method of fireproof coating

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] According to the following mass ratio weighing each prepared component: 10 copies of white bentonite, 40 copies of phosphate, 5 copies of aluminum phosphate, 45 aluminum oxide fibers; 45 parts of alumina, pour each component into the vertical high-speed mixer, add acrylic acid The fireproof coating 1 is obtained in the ester emulsion 100.

[0027] The fire-resistant lifting limit of the fireproof coating 1 was measured at 2.1 h.

Embodiment 2

[0029] According to the following mass ratio weighing each prepared component: 20 copies of white bentonite, 30 pieces of phosphate, 15 pieces of aluminum phosphate, 35 aluminum oxide fibers; 1 component is poured into the vertical high-speed mixer and added acrylic acid after mixing The ester emulsion is stirred for 15 min to obtain a fireproof coating 2.

[0030] The fire-resistant lifting limit of the fire painting 2 was 2.5 h.

Embodiment 3

[0032] According to the following mass ratio weighing each prepared component: 30 copies of white bentonite, 20 copies of phosphate, 25 pieces of aluminum phosphate, 25 aluminum oxide fibers; 1 pour each component into the vertical high-speed mixer After mixing acrylic acid The ester emulsion is stirred for 15 min to obtain a fireproof coating 3.

[0033] The fire-resistant lifting limit of the fireproof coating 3 was 2.1 h.

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Abstract

The invention relates to a composition, a fireproof coating containing the composition and a preparation method of the coating. The composition comprises the following components in parts by mass: 10-30 parts of white bentonite, 20-40 parts of antimonous phosphate, 5-25 parts of aluminum phosphate and 25-45 parts of alumina fiber. When the temperature rises, the bentonite and the antimonous phosphate gradually react chemically at 700 DEG C and become a glassy-state viscous substance at 800-900 DEG C, and the viscous glassy-state substance reacts with the aluminum phosphate and the alumina fiber to generate the high-temperature-resistant ceramic material along with the continuous rising of the temperature. The higher the temperature is, the more sufficient the reaction of each component is, and the higher the strength of the generated ceramic substance is. Due to the fact that inorganic matter is poor in heat conductivity, and bentonite, aluminum phosphate and antimonous phosphate can release volatile components after being decomposed, micropores can be formed in generated ceramic matter, the heat conductivity of the ceramic matter is poor, and the structure can effectively prevent heat transfer.

Description

Technical field [0001] The present invention relates to the technical field of flame retardant materials, and more particularly to a composition comprising a fire coating of the composition and a preparation method thereof. Background technique [0002] Fireproof coatings are functional coatings that prevent fire and delay the spread of fire. The fireproof coating is divided according to the dispersion medium, which can be divided into aqueous fire-resistant coating and solvent-based fire-resistant coatings. Water-based fire-resistant coatings have more advantages, not only in various aspects such as coating, coating, and bond strength, but also relatively low in environmental pollution, and the organic volatile property produced is relatively low. However, the prior art flame retardant materials have generally produced many defects such as difficulties and flame retardant effects. [0003] According to Patent CN112980270A, aqueous coating and preparation method thereof include 5...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/18C09D133/04
CPCC09D5/18C09D133/04C08K2003/327C08K2003/321C08K3/346C08K3/32C08K7/08
Inventor 李云龙
Owner 镇江朗赛夫新材料科技有限公司
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