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Aqueous modified polyester anti-corrosive paint for rust article

A technology of water-based modification and polyester tape, applied in the direction of polyester paint, latex paint, anti-corrosion paint, etc., can solve the problems of complexity, high cost, long production process and production line

Inactive Publication Date: 2007-07-11
刘天仕
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its production process is longer and more complicated than the production route of oil-based alkyd paint, so its cost is also higher than that of oil-based alkyd paint

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 25g glycerol rosin ester and 25g rosin dehydrated pentaerythritol malate are dissolved in benzene to make a solution with a mass fraction of 40%, and 35g polyvinyl alcohol is heated and dissolved in water to make a solution with a mass fraction of 8%. The rosin ester solution was mixed with 15 g of n-octanol polyoxyethylene ether and stirred for 10 minutes, and then the polyvinyl alcohol solution was added and mixed and stirred for 10 minutes until it was viscous to obtain a water-based modified polyester resin.

[0022] Mix iron red 16g with water and grind to a particle size of 50 μm to make a slurry with a mass fraction of 50%, mix calcium carbonate 5g with water and grind to a particle size of 50 μm to make a slurry with a mass fraction of 50%, Mix bentonite 5g with water, stir rapidly for 30 minutes, filter with a 300-mesh filter cloth, and make a solution with a mass fraction of 10%, then get 73.6g of water-based modified polyester resin obtained in the previous st...

Embodiment 2

[0024] 60g pentaerythritol rosin ester is dissolved with the mixed solvent of butyl acetate and ethylene glycol ether, is made into the solution that mass fraction is 70%, and 15g polyvinyl alcohol is heated and dissolved in water, is made into the solution that mass fraction is 20%, will Pentaerythritol rosin ester solution and 25g polyoxyethylene sorbitan monooleate were mixed and stirred for 30 minutes, then polyvinyl alcohol solution was added and mixed and stirred for 30 minutes until viscous to obtain a water-based modified polyester resin.

[0025] Mix 12g of Art Green with water and grind it to a particle size of 20 μm to make a slurry with a mass fraction of 70%. Mix 1g of hydroxymethyl cellulose with water, stir rapidly for 30 minutes, and filter with a 300-mesh filter cloth. Become a solution that the mass fraction is 2%, then get the water-based modified polyester resin 85g obtained in the previous step, polyacrylic acid 0.2g, sodium benzoate 0.5g, methyl silicone o...

Embodiment 3

[0027] 55g rosin dehydrated glyceryl malate is dissolved in acetone to form a solution with a mass fraction of 50%, and 25g polyvinyl alcohol is heated and dissolved in water to form a solution with a mass fraction of 18%. After the ester solution was mixed with 20 g of nonylphenol polyoxyethylene ether and stirred for 20 minutes, the polyvinyl alcohol solution was added and mixed and stirred for 20 minutes until it was viscous to obtain a water-based modified polyester resin.

[0028] Mix 30 g of lithopone with water and grind to a particle size of 20 μm to make a solution with a mass fraction of 60%, mix 1 g of talcum powder with water and grind to a particle size of 20 μm to make a slurry with a mass fraction of 70%, Mix kaolin 1g with water, stir rapidly for 30 minutes, filter with a 300-mesh filter cloth, and make a solution with a mass fraction of 10%, then get 65g of water-based modified polyester resin obtained in the previous step, 0.1g of polyacrylic acid, 0.5g of so...

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Abstract

The invention discloses an aqueous modified polyester rust-proofing paint, which comprises the following parts: 65%-85% resin, 12%- 30% dye, 0-5% fill, 1%-5% anti-settling powder and 0.4%-3% adjuvant.

Description

technical field [0001] The invention relates to a water-based industrial coating, in particular to a water-based modified polyester antirust paint with rust. Background technique [0002] Compared with the oil-based paint that has ruled the paint world for nearly a century, water-based paint is a new force in the paint industry. Its birth and development are mainly driven by human beings' gradual awareness of the importance of environmental protection. Since the promulgation and implementation of the first volatile organic compound (VOC) law in California, USA in 1966, the work of countries to strictly control VOC emissions and limit the production and use of high-VOC coating products has been raised to the height of laws and regulations, water-based coatings Because of its extremely low VOC content and energy saving, it has become the mainstream direction of the development of the coatings industry. [0003] Water-based industrial paint refers to the paint that uses water ...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D5/08C09D5/02
Inventor 刘天仕
Owner 刘天仕
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