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Acrylic acid-polyaniline composite modified polyurethane coating

A polyurethane coating and composite modification technology, applied in polyurea/polyurethane coatings, anti-corrosion coatings, coatings, etc., can solve problems such as affecting the corrosion resistance and service life of polyurethane coatings, reducing the water resistance of polyurethane, and limiting the scope of application. , to achieve the effect of improving heat resistance, improving weather resistance and heat resistance, and increasing crosslinking density

Inactive Publication Date: 2016-05-25
ANHUI ANDA HUATAI NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although polyurethane has excellent properties, it also has some limitations, for example, the hydrophilic -CH on its molecular chain 2 The OH group is easy to absorb water, resulting in a decrease in the water resistance of polyurethane, which seriously affects the corrosion resistance and service life of polyurethane coatings in water environments, thus limiting its application range

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A kind of acrylic acid-polyaniline compound modified polyurethane paint that the present invention proposes, its raw material comprises the following components by weight: 80 parts of modified polyurethane emulsions, 10 parts of water-based acrylic emulsions, 25 parts of water-based polyaniline emulsions, diphenylmethane two 5 parts of isocyanate, 12 parts of nano-zinc oxide, 15 parts of nano-zinc phosphate, 8 parts of aluminum oxide, 2 parts of wollastonite, 12 parts of boron nitride, 2 parts of barium sulfate, 8 parts of aluminum tripolyphosphate, diethylphosphine 2 parts of aluminum acid, 6 parts of calcium chloride, 3 parts of N-methylpyrrolidone, 0.5 parts of defoaming agent, 0.5 parts of dispersing agent, 0.5 parts of wetting agent, 0.1 part of leveling agent, 12 parts of glycerol, 8- 2 parts of hydroxyquinolinone, 8 parts of epoxy resin, 2 parts of silane coupling agent, 2.5 parts of polyethylene wax, 35 parts of water.

Embodiment 2

[0019] A kind of acrylic acid-polyaniline composite modified polyurethane coating that the present invention proposes, its raw material comprises the following components by weight: 30 parts of modified polyurethane emulsions, 25 parts of water-based acrylic emulsions, 15 parts of water-based polyaniline emulsions, diphenylmethane two 15 parts of isocyanate, 3 parts of nano-zinc oxide, 5 parts of nano-zinc phosphate, 3 parts of aluminum oxide, 10 parts of wollastonite, 3 parts of boron nitride, 10 parts of barium sulfate, 5 parts of aluminum tripolyphosphate, diethylphosphine 5 parts of aluminum acid, 2 parts of calcium chloride, 8 parts of N-methylpyrrolidone, 0.1 parts of defoaming agent, 1 part of dispersing agent, 0.1 part of wetting agent, 0.5 parts of leveling agent, 3 parts of glycerol, 8- 3.8 parts of hydroxyquinolinone, 3 parts of epoxy resin, 6 parts of silane coupling agent, 1 part of polyethylene wax, 50 parts of water.

Embodiment 3

[0021] A kind of acrylic acid-polyaniline compound modified polyurethane paint that the present invention proposes, its raw material comprises following components by weight part: modified polyurethane emulsion 52 parts, water-based acrylic emulsion 20 parts, water-based polyaniline emulsion 21 parts, diphenylmethane 8 parts of isocyanate, 10 parts of nano-zinc oxide, 8 parts of nano-zinc phosphate, 6.8 parts of aluminum oxide, 7 parts of wollastonite, 8 parts of boron nitride, 6.5 parts of barium sulfate, 6.3 parts of aluminum tripolyphosphate, diethylphosphine 4 parts of aluminum acid, 4.3 parts of calcium chloride, 4.9 parts of N-methylpyrrolidone, 0.25 parts of defoaming agent, 1 part of dispersing agent, 0.3 parts of wetting agent, 0.36 parts of leveling agent, 8 parts of glycerol, 8- 3.2 parts of hydroxyquinolinone, 4.2 parts of epoxy resin, 4 parts of silane coupling agent, 1.6 parts of polyethylene wax, 46 parts of water;

[0022]Wherein, the modified polyurethane emul...

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PUM

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Abstract

The invention discloses an acrylic acid-polyaniline composite modified polyurethane coating which is prepared from modified polyurethane emulsion, waterborne acrylic emulsion, waterborne polyaniline emulsion, diphenylmethane diisocyanate, nano-zinc oxide, nano-zinc phosphate, aluminum oxide, wollastonite, boron nitride, barium sulfate, aluminum triphosphate, diethyl aluminum phosphinic acid, calcium chloride, N-methyl pyrrolidone, a defoaming agent, a dispersing agent, a wetting agent, a flatting agent, glycerol, 8-hydroxyquinoline, epoxy resin, a silane coupling agent, polyethylene wax and water. The acrylic acid-polyaniline composite modified polyurethane coating is good in water resistance and corrosion resistance, excellent in heat resistance and weather resistance, high in strength, high in adhesive force with a base material and long in service life, and has the certain fire resistance.

Description

technical field [0001] The invention relates to the technical field of polyurethane coatings, in particular to an acrylic-polyaniline composite modified polyurethane coating. Background technique [0002] Polyurethane has good wear resistance, water resistance, solvent resistance and excellent mechanical properties. At present, it has been widely used in elastomers, foam plastics, coatings, adhesives and biomedical materials. Polyurethane coatings are usually used in leather finishing, textile printing and dyeing, paper making, architectural coatings, adhesives, cast steel coatings and other fields. Although polyurethane has excellent properties, it also has some limitations, for example, the hydrophilic -CH on its molecular chain 2 The OH group is easy to absorb water, which leads to the decline of the water resistance of polyurethane, which seriously affects the corrosion resistance and service life of the polyurethane coating in the water environment, thus limiting its a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D7/12C09D5/08C08G18/66C08G18/44C08G18/48C08G18/32C08G18/38C08G18/67C08G18/83
CPCC09D175/14C08G18/3206C08G18/3851C08G18/44C08G18/4845C08G18/6677C08G18/672C08G18/833C08G18/838C08K2201/011C08L2205/035C09D5/08C09D7/61C09D7/63C09D7/65C08L79/02C08L33/00C08L63/00C08K13/02C08K2003/2296C08K2003/328C08K2003/2227C08K2003/3045C08K2003/327C08K3/34C08K2003/385C08K5/053C08K2003/162
Inventor 许戈文熊潜生霍俊丽戴震何纪慧杨立春
Owner ANHUI ANDA HUATAI NEW MATERIALS CO LTD
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