Environment-friendly fireproof coating and preparation method thereof

A fire retardant coating and environmental protection technology, applied in fire retardant coatings, polyester coatings, coatings, etc., can solve the problems of low soil burial degradation rate, easy cracking, high toxicity of fire retardant coatings, etc. The effect of cracking and pulverization, reducing the phenomenon of pulverization

Active Publication Date: 2018-08-10
湘诚新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Through a large number of experimental studies, this application uses biodegradable polylactic acid as the basis, and screens and controls the dosage of various additives such as anti-cracking agents, coupling agents, and heat stabilizers, so as to overcome the relatively high toxicity of existing fireproof coatings. Defects of large size, low soil degradation rate, high temperature and easy cracking

Method used

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  • Environment-friendly fireproof coating and preparation method thereof

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Embodiment 1

[0034] An environmentally friendly fireproof coating, comprising the following raw materials in parts by weight: 200 parts of polylactic acid compound, 24 parts of glass fiber, 26 parts of expanded perlite, 17 parts of ammonium polyphosphate, 14 parts of nano-titanium dioxide, 10 parts of anti-cracking agent lignocellulose 9 parts of 3-(methacryloyloxy)propyltrimethoxysilane, 12 parts of tricresyl phosphate, and 5 parts of modified bentonite.

[0035] The polylactic acid compound comprises the following components by weight: 120 parts of high molecular weight polylactic acid, 45 parts of low molecular weight polylactic acid, 32 parts of cornstarch, 20 parts of nano silicon dioxide, 13 parts of dibutyltin dilaurate, 5 parts of epoxy soybean oil share. The number-average molecular weight of the high-molecular-weight polylactic acid is 80,000-100,000 daltons, and the number-average molecular weight of the low-molecular-weight polylactic acid is 12,000-18,000 daltons; the modified...

Embodiment 2

[0041] An environmentally friendly fireproof coating, comprising the following raw materials in parts by weight: 175 parts of polylactic acid compound, 30 parts of glass fiber, 18 parts of expanded perlite, 16 parts of ammonium polyphosphate, 11 parts of nano-titanium dioxide, and 9 parts of anti-cracking agent polypropylene fiber 13 parts of 3-(methacryloyloxy)propyltrimethoxysilane, 10 parts of tricresyl phosphate, and 5 parts of modified bentonite.

[0042] The polylactic acid compound comprises the following components by weight: 108 parts of high molecular weight polylactic acid, 35 parts of low molecular weight polylactic acid, 27 parts of cornstarch, 22 parts of nano silicon dioxide, 15 parts of dibutyltin dilaurate, 4 parts of epoxy soybean oil share. The number-average molecular weight of the high-molecular-weight polylactic acid is 80,000-100,000 daltons, and the number-average molecular weight of the low-molecular-weight polylactic acid is 12,000-18,000 daltons; the...

Embodiment 3

[0045] An environmentally friendly fireproof coating, comprising the following raw materials in parts by weight: 210 parts of polylactic acid compound, 30 parts of glass fiber, 26 parts of expanded perlite, 18 parts of ammonium polyphosphate, 12 parts of nano-titanium dioxide, and 15 parts of anti-crack agent polypropylene fiber 12 parts of 3-(methacryloyloxy)propyltrimethoxysilane, 11 parts of tricresyl phosphate, and 7 parts of modified bentonite.

[0046] The polylactic acid compound comprises the following components by weight: 132 parts of high molecular weight polylactic acid, 50 parts of low molecular weight polylactic acid, 35 parts of cornstarch, 23 parts of nano silicon dioxide, 16 parts of dibutyltin dilaurate, 8 parts of epoxy soybean oil share. The number-average molecular weight of the high-molecular-weight polylactic acid is 80,000-100,000 daltons, and the number-average molecular weight of the low-molecular-weight polylactic acid is 12,000-18,000 daltons; the m...

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Abstract

The invention relates to the technical field of special coatings, and particularly relates to an environment-friendly fireproof coating and a preparation method thereof. The environment-friendly fireproof coating comprises the following raw materials in parts by weight: 160-220 parts of a polylactic acid compound, 20-40 parts of glass fibers, 15-32 parts of expanded perlite, 10-23 parts of ammonium polyphosphate, 8-20 parts of nano titanium dioxide, 6-18 parts of an anti-cracking agent, 6-15 parts of 3-(methacryloxy)propyltrimethoxysilane, 5-15 parts of tricresyl phosphate and 3-8 parts of modified bentonite. The preparation method comprises pre-mixing materials, mixing materials, and adjusting viscosity. The fireproof coating provided by the invention has the advantages of low toxicity, environmental friendliness, good soil burying degradation rate, difficult cracking or powdering at a high temperature and good fire resistance, the comprehensive performance of the fireproof coating isincreased, good adhesive force and adhesion are achieved after a material is coated with the coating, and the powdering phenomenon is reduced.

Description

technical field [0001] The invention relates to the technical field of special coatings, in particular to an environment-friendly fireproof coating and a preparation method thereof, in particular to an environment-friendly fireproof coating used on the surface of combustible substrates and high-temperature operating pipes and a preparation method thereof. Background technique [0002] Fireproof coating is a special coating used on the surface of flammable substrates to reduce the flammability of the surface of the coated material, retard the rapid spread of fire, and improve the fire resistance limit of the coated material. According to the principle of flame retardant, fire retardant coatings are generally divided into two types: intumescent and non-intumescent. Combustible agent, a large amount of toxic gas will be produced at high temperature; intumescent fireproof coating is the coating film heated and expanded to form a honeycomb carbonized layer, which isolates the hea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/04C09D5/18C09D7/20C09D7/61C09D7/62C09D7/63C09D7/65C09D7/80
CPCC08K2003/2241C08K2003/323C08K2201/011C08L2201/02C08L2201/06C08L2205/025C08L2205/035C08L2205/16C09D5/18C09D7/20C09D7/61C09D7/62C09D7/63C09D7/65C09D7/70C09D7/80C09D167/04C08L67/04C08L3/02C08K13/04C08K7/14C08K7/26C08K3/22C08K3/32C08K3/346
Inventor 刘向云梁清泉梁婵英李山鹰苏箐
Owner 湘诚新材料科技有限公司
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