Resin for novel waterborne double-component organic-inorganic hybrid coating and preparation method of resin

A two-component, modified resin technology, used in anti-corrosion coatings, coatings, etc., can solve the problems of 50-1:1 instability, and does not solve the problems of water-based two-component self-drying coatings, and achieves high fullness, resistance to The effect of excellent corrosion resistance and excellent performance

Active Publication Date: 2017-01-11
BEIJING JINHWEILI APPLIED CHEM PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the 50-1:1 instability of organic and inorganic materials is a serious problem, and this patent does not solve the problem of water-based two-component self-drying coatings

Method used

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  • Resin for novel waterborne double-component organic-inorganic hybrid coating and preparation method of resin
  • Resin for novel waterborne double-component organic-inorganic hybrid coating and preparation method of resin
  • Resin for novel waterborne double-component organic-inorganic hybrid coating and preparation method of resin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Embodiment 1 Material proportioning ratio is the following table

[0042]

[0043] The implementation method of component A is to put the formula amount of propylene glycol monobutyl ether into the reaction kettle equipped with a stirring device, a reflux condensing device, a dropping device and a temperature control device, and raise the temperature to 115°C while stirring, and add the mixed monomer dropwise 1 is dropped for about 3 hours, keep warm for 2 hours, add dropwise mixed monomer 2 for about 0.5 hours, add tert-butyl peroxybenzoate, keep warm for 4 hours. Add N,N dimethylethanolamine, disperse for 30 minutes, add 40°C deionized water, disperse at high speed for 1 hour, and filter out the material.

[0044] The preparation method of component B is to put tetraethyl orthosilicate, absolute ethanol and water in the formula ratio into a reaction kettle equipped with a stirring device, a reflux condensing device, a dropping device and a temperature control devic...

Embodiment 2

[0045] Embodiment 2 material ratio following table

[0046]

[0047] The production method of component A is to put propylene glycol methyl ether acetate into a reaction kettle equipped with a stirring device, a reflux condensing device, a dropping device and a temperature control device. While stirring, the temperature is raised to 75°C, and the mixed monomer 1 is added dropwise. After about 3 hours of dripping, keep warm for 2 hours and add the mixed monomer 2 dropwise for about 0.5 hours, then add azobisisobutyronitrile and keep warm for 4 hours. Add ethylenediamine at 70°C, disperse for 1hr, add glacial acetic acid at 60°C, disperse for 30min, add deionized water at 40°C, disperse at high speed for 1hr, filter and discharge.

[0048] The preparation method of component B is to drop methyltriethoxysilane, dehydrated alcohol, water, 1mol / L hydrochloric acid into a reaction kettle equipped with stirring device, reflux condensing device, dropping device and temperature cont...

Embodiment 3

[0049] Embodiment 3 material ratio following table

[0050]

[0051] The preparation method of component A is to put E12 and ethylene glycol monobutyl ether into a reaction kettle equipped with a stirring device, a reflux condensing device, a dropping device and a temperature control device. While stirring, the temperature is raised to 145°C, and the mixture is added dropwise. Monomer 1 is dripped for about 3 hours, kept for 2 hours, and mixed monomer 2 is added dropwise for about 0.5 hours, then di-tert-butyl peroxide is added, and kept for 4 hours. Add N,N dimethylethanolamine at 80°C, disperse for 1 hr, add deionized water at 40°C, disperse at high speed for 1 hr, and filter out.

[0052] The preparation method of component B is to put TiO2, tetraethyl orthosilicate, butanol, water, and nitric acid with a mass fraction of 5% in a reaction kettle equipped with a stirring device, a reflux condensing device, a dropping device and a temperature control device, and heat up A...

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Abstract

The invention belongs to the field of waterborne coatings and discloses resin for a novel waterborne double-component organic-inorganic hybrid coating and a preparation method of the resin. For a component A, acrylic acid is used as a main body, polyester, alcohol acid, polyurethane, epoxy and organosilicon are utilized to modify the acrylic acid, and a waterborne acrylic resin dispersion with one or several functional groups is synthesized. For a component B, nano oxide sol with one or several functional groups is synthesized through a sol-gel method. Through inorganic modifying, antiaging performance, waterproofness and wear resistance of common double-component materials are improved, an organic-inorganic composite material with an inorganic portion accounting for a higher portion can be obtained, and stability of the organic-inorganic composite material in water is ensured; water is used as a diluent, so that VOC of a system is lowered, and the resin has excellent environment friendliness.

Description

technical field [0001] The invention relates to a novel water-based two-component organic-inorganic hybrid coating resin and a preparation method thereof, belonging to the field of water-based coatings. Background technique [0002] In recent years, with the increasing pressure on the environment and resources, water-based coatings have developed rapidly. Two-component polyurethane has always occupied a very important position in the field of coatings because of its high decorative properties, high weather resistance, and self-drying at room temperature. However, the application of water-based two-component polyurethane has always been limited due to the problems of high price, easy foaming, and toxicity of free isocyanate. However, the amino baking varnish with amino resin as curing agent requires high temperature conditions, which consumes resources and costs. And whether it is water-based polyurethane coating or water-based amino-cured coating, its aging resistance, cor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/12C09D151/08C09D5/08C09D7/12C09D7/00C08F220/14C08F220/06C08F220/32C08F220/18C08F283/10C08F283/01C08F283/00
CPCC09D133/12C09D151/08C08F220/14C08F283/006C08F283/01C08F283/10C08K3/36C08K9/06C09D5/08C08F220/06C08F220/325C08F220/1804
Inventor 陈明
Owner BEIJING JINHWEILI APPLIED CHEM PROD
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