Aqueous two-component polyurethane coating material formula

A two-component polyurethane and coating technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of unreasonable design, easy peeling of paint film, complicated construction process, etc., and achieve the effect of simple construction procedure and reasonable design

Inactive Publication Date: 2018-07-20
王玉楼
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing water-based two-component polyurethane coatings have unreasonable design of mixing ratio, complicated construction procedures, high requirements on the construction environment, and the paint film is easy to fall off

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A formulation of a water-based two-component polyurethane coating, comprising 403 parts of acrylic emulsion, 15 parts of dimethylethanolamine, 3 parts of a dispersant, 8 parts of a wetting agent, 59 parts of rutile titanium dioxide, and 88 parts of barium sulfate in parts by weight , 71 parts of aluminum tripolyphosphate, 73 parts of modified zinc phosphate, 16 parts of diethylene glycol butyl ether acetate, and 63 parts of water.

Embodiment 2

[0017] A formulation of a waterborne two-component polyurethane coating, comprising 380 parts by weight of acrylic emulsion, 7 parts of dimethylethanolamine, 2 parts of dispersant, 5 parts of wetting agent, 50 parts of rutile titanium dioxide, and 85 parts of barium sulfate , 50 parts of aluminum tripolyphosphate, 60 parts of modified zinc phosphate, 12 parts of diethylene glycol butyl ether acetate, and 55 parts of water.

Embodiment 3

[0019] A formulation of a waterborne two-component polyurethane coating, comprising 435 parts of acrylic emulsion, 19 parts of dimethylethanolamine, 6 parts of a dispersant, 9 parts of a wetting agent, 62 parts of rutile titanium dioxide, and 92 parts of barium sulfate in parts by weight , 100 parts of aluminum tripolyphosphate, 80 parts of modified zinc phosphate, 19 parts of diethylene glycol butyl ether acetate, and 79 parts of water.

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PUM

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Abstract

The invention discloses an aqueous two-component polyurethane coating material formula, wherein the components comprise, by weight, 25-30 parts of zinc stearate, 20-25 parts of calcium stearate, 15-20parts of hydrotalcite, 15-20 parts of zeolite, 3-5 parts of polyethylene wax, 3-5 parts of paraffin, 15-20 parts of calcium carbonate, 1-5 parts of dibenzoylmethane, 4-11 parts of dipentaerythritol,2-7 parts of an antioxidant, and 1-4 parts of ammonium hydrogen chloride. According to the present invention, the ratio design is extremely reasonable, the construction process is simple, and the paint film cannot shed.

Description

technical field [0001] The invention relates to the field of preparation of water-based two-component polyurethane coatings, in particular to a formulation of water-based two-component polyurethane coatings. Background technique [0002] Water-based two-component polyurethane coatings are currently a common type of coatings, widely used in aircraft exterior wall coatings, wood coatings, transportation vehicles, anti-corrosion coatings, machine tool and instrument coatings, and plastic coatings. The existing water-based two-component polyurethane coating has unreasonable design of mixing ratio, complex construction process, high requirements on construction environment, and easy peeling off of the paint film. Contents of the invention [0003] The invention provides a formula of water-based two-component polyurethane paint with extremely reasonable design of mixing ratio, simple construction procedure and no peeling off of the paint film. [0004] In order to solve the abo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D175/04C09D7/61C09D7/62C09D7/63
CPCC09D133/00C09D175/04C08L71/02C08K13/06C08K5/17C08K2003/2241C08K2003/3045C08K2003/327C08K9/00C08K2003/321C08K5/103C08K5/20
Inventor 王玉楼
Owner 王玉楼
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