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High-strength polyurethane waterproofing paint

A polyurethane waterproof and high-strength technology, applied in polyester coatings, polyurea/polyurethane coatings, fire-resistant coatings, etc., can solve the problems of affecting the waterproof effect, poor weather resistance, and easy damage, so as to prolong the service life and Save time, excellent waterproof performance, effect of improving waterproof performance

Active Publication Date: 2016-08-10
CHUZHOU GLOBAL POLYURETHANE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Waterproof coating also has its disadvantages, especially its low strength and poor weather resistance, and it is easily damaged after coating, which affects the waterproof effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of high-strength polyurethane waterproof coating that the present invention proposes, its raw material comprises by weight: 55 parts of high-strength hydrophobic polyurethane, 26 parts of short oil alkyd resin, 10 parts of potassium tripolyphosphate, 3 parts of zinc stearate, wood 0.8 parts of calcium sulfonate, 5 parts of bentonite, 6 parts of light calcium carbonate, 2 parts of talcum powder, 6 parts of butyl acetate, 1 part of cyclohexanone, 0.4 parts of defoamer, 0.2 parts of leveling agent, and 0.6 parts of dispersant share.

[0020] The preparation method of high-strength hydrophobic polyurethane is as follows:

[0021] S1. After mixing 80 parts of phenol and 82 parts of formaldehyde solution with a mass fraction of 30wt% by weight, raise the temperature to 55°C, and then add 24 parts of ammonia water with a mass fraction of 35wt% dropwise for 20 minutes , continue to heat up to 65°C, keep warm for 15 minutes, add 22 parts of castor oil dropwise, dropwise ...

Embodiment 2

[0024] A kind of high-strength polyurethane waterproof coating proposed by the present invention, its raw material comprises by weight: 50 parts of high-strength hydrophobic polyurethane, 29 parts of short oil alkyd resin, 7 parts of potassium tripolyphosphate, 5 parts of zinc stearate, wood 0.5 parts of calcium sulfonate, 8 parts of bentonite, 3 parts of light calcium carbonate, 5 parts of talcum powder, 4 parts of butyl acetate, 3 parts of cyclohexanone, 0.1 part of defoamer, 0.5 part of leveling agent, and 0.3 parts of dispersant share.

[0025] The preparation method of high-strength hydrophobic polyurethane is as follows:

[0026] S1. After mixing 85 parts of phenol and 78 parts of formaldehyde solution with a mass fraction of 35wt% in parts by weight, raise the temperature to 50°C, and then add 26 parts of ammonia water with a mass fraction of 30wt% dropwise for 25 minutes , continue to heat up to 62°C, after 18 minutes of heat preservation, add 18 parts of castor oil d...

Embodiment 3

[0029] A kind of high-strength polyurethane waterproof coating that the present invention proposes, its raw material comprises by weight: 53 parts of high-strength hydrophobic polyurethane, 27 parts of short oil alkyd resin, 9 parts of potassium tripolyphosphate, 3.5 parts of zinc stearate, wood 0.7 parts of calcium sulfonate, 6 parts of bentonite, 5 parts of light calcium carbonate, 3 parts of talcum powder, 5 parts of butyl acetate, 1.5 parts of cyclohexanone, 0.3 parts of defoamer, 0.3 parts of leveling agent, and 0.5 parts of dispersant share.

[0030] The preparation method of high-strength hydrophobic polyurethane is as follows:

[0031] S1. After mixing 82 parts of phenol and 81 parts of formaldehyde solution with a mass fraction of 32wt% in parts by weight, raise the temperature to 53°C, and then add 24 parts of ammonia water with a mass fraction of 33wt% dropwise for 22 minutes , continue to heat up to 64°C, keep warm for 16min, add 20 parts of castor oil dropwise, d...

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PUM

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Abstract

The invention discloses a high-strength polyurethane waterproofing paint which is prepared from the following raw materials in parts by weight: 50-55 parts of high-strength hydrophobically polyurethane, 26-29 parts of short oil alkyd resin, 7-10 parts of potassium tripolyphosphate, 3-5 parts of zinc stearate, 0.5-0.8 part of calcium lignosulphonate, 5-8 parts of bentonite, 3-6 parts of light calcium carbonate, 2-5 parts of talcum powder, 4-6 parts of butyl acetate, 1-3 parts of cyclohexanone, 0.1-0.4 part of an antifoaming agent, 0.2-0.5 part of a flatting agent and 0.3-0.6 part of a dispersing agent. The high-strength polyurethane waterproofing paint is high in strength and good in adhesive force, and has excellent water-resistance ability.

Description

technical field [0001] The invention relates to the technical field of waterproof coatings, in particular to a high-strength polyurethane waterproof coating. Background technique [0002] With the rapid development of the national economy, the rapid changes in the field of construction engineering have also brought new challenges to some traditional fields, and waterproof coatings are one of them. Waterproof coatings are applied on the surface of buildings and can effectively block water erosion, so they are widely respected. Waterproof coatings also have their disadvantages, especially their low strength and poor weather resistance, and they are easily damaged after coating, which affects the waterproof effect. Contents of the invention [0003] Based on the technical problems in the background technology, the present invention proposes a high-strength polyurethane waterproof coating, which has high strength, good adhesion, and excellent waterproof performance. [0004]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D167/08C09D5/18C09D7/12C08G18/79C08G18/67C08G18/65C08G18/32C08G8/32
CPCC08G8/32C08G18/3203C08G18/3206C08G18/6517C08G18/6705C08G18/794C08L2205/03C09D5/18C09D7/61C09D7/63C09D175/14C08L67/08C08L97/005C08K13/02C08K2003/324C08K5/098C08K3/346C08K2003/265C08K3/34
Inventor 龚文祥
Owner CHUZHOU GLOBAL POLYURETHANE TECH CO LTD
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