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High-hardness wear-proof water-based baking paint and preparation method thereof

A high-hardness, water-based technology that can be used in biocide-containing paints, antifouling/underwater coatings, coatings, etc. To achieve the effect of improving compatibility and bonding, strengthening strength and mechanical properties, improving hardness and wear resistance

Active Publication Date: 2019-02-26
GUANGZHOU UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the potassium hexatitanate whiskers were not subjected to surface treatment but were directly put into the coating material, the reinforcing effect and friction resistance of the potassium hexatitanate whiskers could not be fully reflected.

Method used

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  • High-hardness wear-proof water-based baking paint and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0027] Raw material preparation: surface modified whiskers are prepared by the following method, surface modified whiskers are surface modified tetrapod-shaped zinc oxide whiskers, surface modified potassium hexatitanate whiskers, wherein the preparation of surface modified tetrapod-shaped zinc oxide whiskers Including: (1) Coating of tetraacicular zinc oxide whiskers: Accurately weigh 9 grams of tetraacicular zinc oxide whisker powder and disperse in 100 ml of deionized water, ultrasonically disperse for 30 minutes to obtain tetraacicular zinc oxide Whisker dispersion; (2) transfer the four-needle zinc oxide whisker dispersion to a constant temperature water bath of 80°C, slowly add 0.1mol / L Na2SiO3 solution 167 milliliters dropwise under uniform stirring, and use 1%wt H2SO4 solution to adjust the pH of the solution, control the pH of the solution to be 9-10, and after 2 hours of heat preservation and aging, filter, wash, and dry to obtain silicon-coated four-acicular zinc oxi...

Embodiment 2

[0030] Raw material preparation: surface modified whiskers are prepared by the following method, surface modified whiskers are surface modified tetrapod-shaped zinc oxide whiskers, surface modified potassium hexatitanate whiskers, wherein the preparation of surface modified tetrapod-shaped zinc oxide whiskers include:

[0031] (1) Coating of tetraacicular zinc oxide whiskers: Accurately weigh 10 grams of tetraacicular zinc oxide whisker powder and disperse in 100 ml of deionized water, and ultrasonically disperse for 30 minutes to obtain tetraacicular zinc oxide whiskers Dispersion solution; (2) transfer the four-needle zinc oxide whisker dispersion solution to a constant temperature water bath of 80°C, slowly add 0.1mol / L Na2SiO3 solution 180 milliliters dropwise under uniform stirring, and adjust the solution with 1wt% H2SO4 solution The pH value of the control solution is 9-10. After heat preservation and aging for 2 hours, filter, wash, and dry to obtain silicon-coated te...

Embodiment 3

[0034] Raw material preparation: surface modified whiskers are prepared by the following method, surface modified whiskers are surface modified tetrapod-shaped zinc oxide whiskers, surface modified potassium hexatitanate whiskers, wherein the preparation of surface modified tetrapod-shaped zinc oxide whiskers Including: (1) Coating of tetraacicular zinc oxide whiskers: Accurately weigh 10 grams of tetraacicular zinc oxide whisker powder and disperse in 100 ml of deionized water, ultrasonically disperse for 30 minutes to obtain tetraacicular zinc oxide Whisker dispersion; (2) transfer the four-needle zinc oxide whisker dispersion to a constant temperature water bath of 80°C, slowly add 0.1mol / L Na2SiO3 solution 167 milliliters dropwise under uniform stirring, and use 1wt% H2SO4 solution Regulate the pH of the solution, control the pH of the solution to be 9-10, and then filter, wash and dry the solution to obtain silicon-coated four-acicular zinc oxide whiskers; (3) accurately w...

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Abstract

The invention discloses high-hardness wear-proof water-based baking paint which comprises the following ingredients by weight percentage: 20-50% of water-based organosilicon modified acrylic resin, 5-20% of etherified melamine formaldehyde resin, 2-5% of epoxy phosphate, 1.5-18% of surface modified whiskers, 0.1-3% of bentonite, 0.1-2% of an anti-settling agent, 0.08-0.5% of an organosilicon defoaming agent and the balance of deionized water. The invention further discloses a preparation method of the high-hardness wear-proof water-based baking paint. The water-based baking paint is prepared by performing surface modification on tetrapod-like zinc oxide whiskers and potassium hexatitanate whiskers through a silane coupling agent, mixing with raw materials such as water-based organosiliconmodified acrylic resin and the like, and by utilizing cooperation reinforcement of the tetrapod-like zinc oxide whiskers and the potassium hexatitanate whiskers. The water-based baking paint has the characteristics of high paint film hardness, high wear resistance, self-cleaning and the like; after application of the water-based baking paint, the surface gloss is plump; and the comprehensive performance such as paint film adhesion, hardness, wear resistance and the like are excellent.

Description

technical field [0001] The invention relates to the technical field of water-based coatings, in particular to a high-hardness wear-resistant water-based baking varnish and a preparation method thereof. Background technique [0002] The development of the paint industry must comply with the "three prerequisites" of "energy, resources, and pollution-free" and the "four E principles" of "economy, ecology, efficiency, and energy." Oil-based paints have gradually withdrawn from the stage of history, and water-based paints have gradually entered into our lives. Water-based acrylic paint is a common water-based paint, which is widely used in many fields such as locomotives, ships, containers, bridges, and military industries. However, the water resistance, mechanical properties, thermal stability and electrochemical properties of single resin coatings are poor, so it needs to be modified to improve its comprehensive performance. [0003] Tetraacicular zinc oxide whisker is the on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D5/16C09D7/61C09D7/62C09D7/63C09D7/65
CPCC08L2201/08C09D5/1687C09D143/04C08L61/32C08K9/00C08K9/10C08K7/08C08K3/346
Inventor 刘自力刘华溪郑文芝刘晓国左建良刘奎良曹思娟陈站
Owner GUANGZHOU UNIVERSITY
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