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Modified polyurethane wood paint with excellent tensile resistance

A water-based polyurethane and anti-stretching technology, which is applied in the field of wood lacquers, can solve the problems of unsatisfactory tensile strength and potential safety hazards, and achieve the effect of increasing hydrophobicity and hardness, reducing the surface energy of the coating surface, and improving the overall performance

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

However, polyurethane materials without flame retardant function release toxic gases such as HCN and CO during the combustion process, which poses a great safety hazard. Polyurethane materials with flame retardant function have attracted widespread attention.
[0003] The tensile strength of polyurethane wood lacquers in the prior art cannot meet the needs of actual use, so it is urgent to develop a polyurethane wood lacquer with excellent tensile properties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A kind of modified polyurethane wood lacquer with excellent tensile performance proposed by the present invention, its raw materials include by weight: 90 parts of modified water-based polyurethane, 35 parts of N-methylpyrrolidone, 20 parts of propyl phenyl ether, ethylene glycol 10 parts of alcohol butyl ether, 5 parts of polyether modified polysiloxane, 6 parts of titanium dioxide, 3 parts of butyl acetate cellulose, 3.5 parts of silica matting powder, 2.5 parts of nitrocellulose, polyvinyl butyral 4.5 parts, 6 parts of polyether modified polysiloxane defoamer, 4.5 parts of aluminum polyacrylate, 3 parts of polyethylene oxide, 4 parts of thickener, 6 parts of wax emulsion, 10 parts of deionized water.

[0016] The modified water-based polyurethane is prepared according to the following process: 35 parts of propanol, 10 parts of methanol, 5.5 parts of lithium hydroxide monohydrate and 5.5 parts of water are mixed uniformly by weight, and then 5.5 parts of isobutyltrimet...

Embodiment 2

[0018] The present invention proposes a modified polyurethane wood lacquer with excellent tensile properties. Its raw materials include: 80 parts of modified water-based polyurethane, 50 parts of N-methylpyrrolidone, 10 parts of propyl phenyl ether, ethylene glycol 15 parts of alcohol butyl ether, 2 parts of polyether modified polysiloxane, 9 parts of titanium dioxide, 1 part of butyl acetate cellulose, 5 parts of silica matting powder, 1 part of nitrocellulose, polyvinyl butyral 6 parts, 4 parts of polyether modified polysiloxane defoamer, 7 parts of aluminum polyacrylate, 1 part of polyethylene oxide, 6 parts of thickener, 4 parts of wax emulsion, 15 parts of deionized water.

[0019] The modified water-based polyurethane is prepared according to the following process: 20 parts of propanol, 15 parts of methanol, 2 parts of lithium hydroxide monohydrate and 8 parts of water are mixed uniformly by weight, and then 4 parts of isobutyltrimethoxysilane are added dropwise. Heat to...

Embodiment 3

[0021] The present invention proposes a modified polyurethane wood lacquer with excellent tensile properties. Its raw materials include: 100 parts of modified water-based polyurethane, 20 parts of N-methylpyrrolidone, 30 parts of propyl phenyl ether, ethylene glycol 5 parts of alcohol butyl ether, 8 parts of polyether modified polysiloxane, 3 parts of titanium dioxide, 5 parts of butyl acetate cellulose, 2 parts of silica matting powder, 4 parts of nitrocellulose, polyvinyl butyral 3 parts, 8 parts of polyether modified polysiloxane defoamer, 2 parts of aluminum polyacrylate, 5 parts of polyethylene oxide, 2 parts of thickener, 8 parts of wax emulsion, 5 parts of deionized water.

[0022] The modified water-based polyurethane is prepared according to the following process: 50 parts of propanol, 5 parts of methanol, 9 parts of lithium hydroxide monohydrate and 3 parts of water are mixed uniformly by weight, and then 7 parts of isobutyltrimethoxysilane are added dropwise. Heat t...

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PUM

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Abstract

The invention discloses modified polyurethane wood paint with excellent tensile resistance. The modified polyurethane wood paint is prepared from modified waterborne polyurethane, N-methyl-2-pyrrolidone, propyl benzene ether, butyl cellosolve, polyether polysiloxane, titanium dioxide, cellulose acetate butyrate, silicon dioxide matting agent, nitrocellulose, polyvinyl butyral, polyether modified polysiloxane defoaming agent, polyacrylic acid aluminum salt, polyoxyethylene, thickening agent, wax emulsion and deionized water. The wood paint has excellent tensile resistance.

Description

technical field [0001] The invention relates to a wood lacquer, in particular to a modified polyurethane wood varnish with excellent stretch resistance. Background technique [0002] Polyurethane industrial wood paint has the advantages of high hardness, good adhesion, good wear resistance, fast drying, bright and plump paint film, etc. It is widely used in the protection and decoration of furniture, wooden handicrafts and other products. However, polyurethane materials without flame retardant function release toxic gases such as HCN and CO during the combustion process, which poses a great safety hazard. Polyurethane materials with flame retardant function have attracted widespread attention. [0003] The tensile strength of polyurethane wood lacquers in the prior art cannot meet the requirements of actual use, so there is an urgent need to develop a polyurethane wood lacquer with excellent tensile properties. Contents of the invention [0004] In order to solve the tech...

Claims

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Application Information

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IPC IPC(8): C09D175/08C09D7/12
CPCC09D175/08C08L2205/02C08L2205/025C08L2205/035C09D7/61C09D7/62C09D7/63C09D7/65C08L29/14C08L83/12C08K13/06C08K9/06C08K9/02C08K2003/2203C08K2003/2241C08K3/36
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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