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Water-resisting and flame-retarding waterborne coating

A technology of water-based coatings and water-based acrylics, which is applied in the direction of anti-corrosion coatings, fire-resistant coatings, polyurea/polyurethane coatings, etc., can solve the problems of general water resistance and impermeability of coatings, unsatisfactory flame retardancy, and hinder development, etc., to achieve Strong impermeability and chemical stability, improved water resistance, and improved film-forming properties

Inactive Publication Date: 2018-07-06
佛山市三水日邦化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still many deficiencies in waterborne acrylic coatings, such as general water resistance and impermeability of the coating, and unsatisfactory flame retardancy, etc., which hinder its development.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A water-resistant and flame-retardant water-based coating proposed by the present invention comprises the following raw materials in parts by weight: 70 parts of water-based acrylic resin, 20 parts of water-based polyurethane emulsion, 3 parts of modified graphene, 2 parts of montmorillonite, 1 part of heavy calcium carbonate 1 part, barite 1 part, titanium dioxide 3 parts, zinc oxide 1 part, polytetrafluoroethylene wax 0.2 part, dodecyl alcohol ester 2 parts, ethylene glycol isooctyl ether 1 part, dioctyl sodium sulfosuccinate 0.2 parts, 0.2 parts of hydroxyethyl cellulose, 0.5 parts of ethylene glycol, 0.2 parts of defoaming agent, 0.2 parts of leveling agent, and 10 parts of deionized water.

Embodiment 2

[0016] A water-resistant and flame-retardant water-based coating proposed by the present invention comprises the following raw materials in parts by weight: 73 parts of water-based acrylic resin, 22 parts of water-based polyurethane emulsion, 4 parts of modified graphene, 3 parts of montmorillonite, 2 parts of heavy calcium carbonate 1 part, barite 1 part, titanium dioxide 3 parts, zinc oxide 1 part, polytetrafluoroethylene wax 0.5 part, dodecyl alcohol ester 3 parts, ethylene glycol isooctyl ether 1 part, dioctyl sodium sulfosuccinate 0.5 parts, 0.5 parts of hydroxyethyl cellulose, 1 part of ethylene glycol, 0.5 parts of defoamer, 0.5 parts of leveling agent, and 12 parts of deionized water.

[0017] Among them, the preparation process of modified graphene is as follows: add 1 part of graphene oxide, 50 parts of DMF, 70 parts of THF and 0.01 part of p-hydroxyanisole into the reaction vessel, place it in an ice bath at 0 ° C for ultrasonic dispersion for 40 minutes, and add Ad...

Embodiment 3

[0019] A water-resistant and flame-retardant water-based paint proposed by the present invention comprises the following raw materials in parts by weight: 75 parts of water-based acrylic resin, 25 parts of water-based polyurethane emulsion, 4.5 parts of modified graphene, 4 parts of montmorillonite, 2.5 parts of heavy calcium carbonate 1.5 parts of barite, 4 parts of titanium dioxide, 1.5 parts of zinc oxide, 0.7 parts of polytetrafluoroethylene wax, 3 parts of dodecyl alcohol ester, 2 parts of ethylene glycol isooctyl ether, dioctyl sodium sulfosuccinate 0.7 parts, 0.8 parts of hydroxyethyl cellulose, 1.2 parts of ethylene glycol, 0.7 parts of antifoaming agent, 0.8 parts of leveling agent, and 16 parts of deionized water.

[0020] Among them, the preparation process of modified graphene is as follows: add 2 parts of graphene oxide, 54 parts of DMF, 75 parts of THF and 0.03 part of p-hydroxyanisole into the reaction vessel, place it in an ice bath at 0 ° C for ultrasonic dispe...

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PUM

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Abstract

The invention discloses water-resisting and flame-retarding waterborne coating and relates to the technical field of coating. The water-resisting and flame-retarding waterborne coating is prepared from the following raw materials in parts by weight: 70 to 80 parts of waterborne acrylic resin, 20 to 27 parts of waterborne polyurethane emulsion, 3 to 6 parts of modified graphene, 2 to 5 parts of montmorillonite, 1 to 4 parts of ground calcium carbonate, 1 to 4 parts of barite, 3 to 5 parts of titanium dioxide, 1 to 4 parts of zinc oxide, 0.2 to 1 part of polytetrafluoroethylene wax, 2 to 5 partsof texanol, 1 to 3 parts of ethylene glycol isooctyl ether, 0.2 to 1 part of dioctyl sodium sulfosuccinate, 0.2 to 1 part of hydroxyethyl cellulose, 0.5 to 2 parts of ethylene glycol, 0.2 to 1 part of de-foaming agent, 0.2 to 1 part of flatting agent and 10 to 20 parts of de-ionized water. According to the water-resisting and flame-retarding waterborne coating, the waterborne acrylic resin is used as a film forming substance; the waterborne polyurethane emulsion is added and is used for modifying; under the cooperative effect of raw materials including the modified graphene and the like, thecoating has excellent water-resisting and flame-retarding performance and good utilization effect and is worthy of being popularized.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a water-resistant and flame-retardant water-based coating. Background technique [0002] Acrylic coatings have high hardness, excellent gloss and chemical resistance after film formation, and are low in cost, and are widely used in the automotive, construction and furniture industries. Traditional solvent-based acrylic paints release a large amount of volatile organic compounds during the film-forming process, causing pollution to the environment. Compared with solvent-based coatings, water-based coatings have many advantages, such as low VOC content, low odor, non-flammable, safe to use, and can be cleaned with water. However, there are still many deficiencies in waterborne acrylic coatings, such as general water resistance and impermeability of the coating, and unsatisfactory flame retardancy, etc., which hinder its development. Contents of the invention [0003] Based on ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D175/04C09D5/18C09D5/08C09D7/63C09D7/65
Inventor 朱同武朱立芳
Owner 佛山市三水日邦化工有限公司
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