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Waterproof and high-strength water-based paint

A water-based paint, high-strength technology, used in coatings, polyurea/polyurethane coatings, etc., can solve problems such as poor water resistance and mechanical properties, and achieve the effects of enhancing adhesion, enhancing water resistance, and increasing smoothness

Inactive Publication Date: 2015-09-02
GUANGDE JIADIAN CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, water resistance and mechanical properties are poor, thus limiting its use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A water-resistant high-strength water-based paint, its raw materials include by weight: 13 parts of deionized water, 0.3 parts of mixed thickener, 0.14 parts of triethanolamine, 0.2 parts of wetting agent Wet500, 5 parts of LBCB-1 thixotropic lubricant, 15 parts of titanium dioxide, 12 parts of zinc stearate, 13 parts of heavy calcium powder, 120 parts of modified polyurethane emulsion, 2 parts of ethylene glycol monobutyl ether, 2.5 parts of methoxybutanol, 1 part of alcohol ester-12, propylene glycol 1 part, 0.1 part of benzisothiazolinone, 0.2 part of N-octyl-4-isothiazolin-3-one, 0.3 part of mixed defoamer, 0.6 part of silicone leveling agent, polysiloxane polymer Compound 0.1 part;

[0021] The preparation method of the modified polyurethane emulsion includes: in parts by weight, in a dry nitrogen environment with a temperature of 120 ° C and a pressure of 0.09 MPa, 125 parts of polyoxypropylene glycol is placed for 1.1 hours, and then 160 parts of isoflurane are a...

Embodiment 2

[0023] A water-resistant high-strength water-based paint, its raw materials include by weight: 9 parts of deionized water, 0.5 parts of mixed thickener, 0.1 part of triethanolamine, 0.4 parts of wetting agent Wet500, 3 parts of LBCB-1 thixotropic lubricant, 22 parts of titanium dioxide, 8 parts of zinc stearate, 17 parts of heavy calcium powder, 100 parts of modified polyurethane emulsion, 2.6 parts of ethylene glycol monobutyl ether, 1.5 parts of methoxybutanol, 1.5 parts of alcohol ester-12, propylene glycol 0.4 parts, 0.2 parts of benzisothiazolinone, 0.1 parts of N-octyl-4-isothiazolin-3-one, 0.5 parts of mixed defoamer, 0.4 parts of silicone leveling agent, polysiloxane polymer Compound 0.3 part;

[0024] The mixed thickener consists of 1 part by weight of hydroxyethyl cellulose, 0.2 parts of PUR40, and 4 parts of 53LTHIXOL 53L; the mixed defoamer consists of 20 parts by weight of organosilicon-based high-efficiency defoamer Tego901W, 30 parts of dipropylene glycol butyl ...

Embodiment 3

[0027] A water-resistant high-strength water-based paint, its raw materials include by weight: 12 parts of deionized water, 0.35 parts of mixed thickener, 0.13 parts of triethanolamine, 0.25 parts of wetting agent Wet500, 4.5 parts of LBCB-1 thixotropic lubricant, 17 parts of titanium dioxide, 11 parts of zinc stearate, 14 parts of heavy calcium powder, 115 parts of modified polyurethane emulsion, 2.2 parts of ethylene glycol monobutyl ether, 2.2 parts of methoxybutanol, 1.2 parts of alcohol ester-12, propylene glycol 0.8 parts, 0.12 parts of benzisothiazolinone, 0.18 parts of N-octyl-4-isothiazolin-3-one, 0.35 parts of mixed defoamer, 0.55 parts of silicone leveling agent, polysiloxane polymer Compound 0.15 parts;

[0028] The preparation method of the modified polyurethane emulsion comprises: in parts by weight, in a dry nitrogen environment with a temperature of 124 °C and a pressure of 0.08 MPa, 127 parts of polyoxypropylene glycol is placed for 1 hour, and then 162 parts ...

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PUM

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Abstract

The invention discloses a waterproof and high-strength water-based paint comprising the following raw materials in parts by weight: 9-13 parts of deionized water, 0.3-0.5 part of a mixed thickener, 0.1-0.14 part of triethanolamine, 0.2-0.4 part of a wetting agent Wet500, 3-5 parts of an LBCB-1 thixotropic lubricating agent, 15-22 parts of titanium dioxide, 8-12 parts of zinc stearate, 13-17 parts of heavy calcium powder, 100-120 parts of a modified polyurethane emulsion, 2-2.6 parts of ethylene glycol monobutyl ether, 1.5-2.5 parts of methoxybutanol, 1-1.5 parts of alcohol ester-12, 0.4-1 part of propylene glycol, 0.1-0.2 part of benzisothiazolones, 0.1-0.2 part of N-octyl-4-isothiazolin-3-ketone, 0.3-0.5 part of a mixed defoaming agent, 0.4-0.6 part of an organic silicon flatting agent and 0.1-0.3 part of polysiloxane polymer compounds. The waterproof and high-strength water-based paint is good in mechanical property, high in tensile strength, strong in tear resistance and good in waterproofness.

Description

technical field [0001] The invention relates to the technical field of water-based paint, in particular to a water-resistant high-strength water-based paint. Background technique [0002] Polyurethane (PU) refers to a general term for a class of polymers containing urethane bonds in the main chain of the molecule, usually produced by the polyaddition reaction of isocyanate and polyol. Water-based polyurethane uses water as the dispersion system instead of the organic solvent in solvent-based polyurethane. It is not only environmentally friendly, non-toxic and low in energy consumption, but also because the physical and chemical structure of the molecular chain remains unchanged, so that it can basically be compared with solvent-based polyurethane in terms of performance. comparable to. However, waterborne polyurethane has poor water resistance due to the introduction of hydrophilic groups and the use of water as a dispersion system. [0003] Water-based paint uses water as...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D7/12C08G18/48C08G18/66C08G18/75
CPCC09D175/08C08G18/12C08G18/3206C08G18/3218C08G18/348C08G18/4825C08G18/6685C08K2201/014C08L2205/025C08L2205/035C08L83/04C08L1/284C08L75/04C08K13/02C08K5/17C08K2003/2241C08K5/098C08K2003/265C08K5/053C08G18/3228C08G18/3893
Inventor 范伟
Owner GUANGDE JIADIAN CHEM CO LTD
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