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Graphene anticorrosion flame-retardant coating

A flame retardant coating and graphene technology, applied in anti-corrosion coatings, fire-retardant coatings, coatings, etc., can solve problems such as environmental and human injury, and achieve the effects of preventing metal corrosion, good coating film leveling, and good adhesion.

Inactive Publication Date: 2019-04-05
SHAOGUAN HEZHONG CHEM CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It contains a lot of organic solvents, causing harm to the environment and people

Method used

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  • Graphene anticorrosion flame-retardant coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Melamine modified waterborne acrylic flame retardant resin X, its preparation process is as follows:

[0029] (1) Preparation of pre-emulsion: Add 5.0 parts of methyl acrylate, 10.0 parts of methyl methacrylate, 8.0 parts of butyl methacrylate, 3.5 parts of lauryl methacrylate and 2.0 parts of acrylic acid into the emulsification tank and stir to dissolve Transparent liquid, then add 2.2 parts of emulsifier and stir evenly, continue to add 21.0 parts of deionized water, and form a stable milky white oil-in-water pre-emulsion after stirring and dispersing;

[0030] (2) Preparation of initiator: dissolve 0.07 part of ammonium persulfate into 2.0 parts of deionized water and dissolve after stirring;

[0031] (3) Preparation of seed emulsion: Add 34.93 parts of deionized water into the reactor, and add 5.2 parts of pre-emulsion dropwise when heated to 78-82 ° C, and continue to drop 0.2 parts of initiator after the temperature in the reactor is stable ;

[0032] (4) Add t...

Embodiment 2

[0034] Melamine modified waterborne acrylic flame retardant resin Y, its preparation process is as follows:

[0035] (1) Preparation of pre-emulsion: Add 20.0 parts of methyl methacrylate, 14.0 parts of butyl methacrylate and 2.0 parts of acrylic acid into the emulsification tank in turn and stir to dissolve into a transparent liquid, then add 2.0 parts of emulsifier and stir evenly, continue to add 20.0 parts of ionized water, stirred and dispersed to form a stable milky white oil-in-water pre-emulsion;

[0036] (2) Preparation of initiator: dissolve 0.08 part of ammonium persulfate into 2.0 parts of deionized water and dissolve after stirring;

[0037](3) Preparation of seed emulsion: Add 27.62 parts of deionized water to the reactor, and add 5.8 parts of pre-emulsion dropwise when heated to 78-82 ° C, and continue to drop 0.2 parts of initiator after the temperature in the reactor is stable ;

[0038] (4) Add the remaining 52.2 parts of the pre-emulsion and 1.4 parts of t...

Embodiment 3

[0040] A graphene anti-corrosion flame-retardant coating, by weight, it is composed of melamine modified water-based acrylic flame-retardant resin X65.0 parts, nano carboxylate graphene 2.0 parts, titanium dioxide 5.0 parts, barium sulfate 3.5 parts, nano diamond beads 3.0 parts, 0.4 parts of wetting agent, 0.8 parts of dispersing agent, 0.2 parts of defoamer, 0.2 parts of leveling agent, 0.3 parts of thickener, 0.3 parts of pH regulator, 2.5 parts of film-forming aid, and 16.8 parts of deionized water.

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PUM

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Abstract

The invention relates to graphene anticorrosion flame-retardant coating, comprising, by weight, 55.0-72.0 parts of melamine-modified waterborne acrylic flame-retardant resin, 6.0-20.0 parts of a pigment filler, 1.5-3.0 parts of nano carboxylic graphene, 2.5-9.0 parts of an aid, 2.0-6.9 parts of nano carborundum beads, and 10.0-20.0 parts of deionized water. The graphene anticorrosion flame-retardant coating has good film leveling property during film forming, no sagging occurs, the film forming process is friendly to the environment, and adding extra flame retardants and anticorrosion aids isrequired; the film has good adhesion, corrosion resistance, chemicals resistance, flexibility, flame retardancy and the like; the graphene anticorrosion flame-retardant coating is widely applicable tosurface protection and decoration for furniture, musical instruments, metals and the like.

Description

technical field [0001] The invention relates to an anti-corrosion and flame-retardant coating, in particular to a graphene anti-corrosion and flame-retardant coating, which belongs to the technical field of water-based functional coatings. Background technique [0002] In recent years, in response to the damage and pollution of VOC to the environment, countries have paid close attention to the hazards of VOC and have formulated various regulations to limit VOC emissions. Solvent-based coatings use a large amount of organic solvents in the preparation and construction. The global annual emission of volatile organic chemicals into the atmosphere due to the use of solvent-based coatings is about 5 to 6 million tons, which is very harmful to the environment and operators. With the development of technology and the continuous update of environmental protection requirements, the amount of solvent-based coatings will decrease, while water-based coatings, solvent-free coatings, powd...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/12C09D5/08C09D5/18C09D7/62C08F220/14C08F220/18C08F220/06C08F220/02C08F220/28
CPCC09D7/62C09D133/14C08F220/14C09D5/08C09D5/18C08K13/06C08K3/042C08F220/1804C08F220/1812C08F220/06C08F220/02C08F220/281
Inventor 张武许钧强康伦国姚东生阳京辉
Owner SHAOGUAN HEZHONG CHEM CO LTD
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