Alkali-resistant acrylic resin powder paint for new ceramics

A technology of acrylic resin and powder coating, which is applied in the field of coatings and can solve the problems of poor scrub resistance and acid resistance, low gloss, low hardness, etc.

Inactive Publication Date: 2015-06-10
HUZHOU ZHONGCHEN CONSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the above technical problems, the present application provides a new type of alkali-resistant acrylic resin powder coating for ceramics, which solves the technical problems of the existing alkali-resistant acrylic resin powder coating for ceramics such as low gloss, low hardness, poor scrub resistance and acid resistance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A new type of alkali-resistant acrylic resin powder coating for ceramics, the proportion of its raw materials is as follows in parts by weight: 100 parts of butyl acrylate; 10 parts of pyridine; 2 parts of 2-ethylhexyl acrylate; 15 parts of urea; ethyl acrylate 5 parts; 30 parts of butanol; 5 parts of polymethylphenylsiloxane; 20 parts of xylene; 10 parts of hydroxyethyl methacrylate; 40 parts of phthalic anhydride; 1 part of DBP; 0.1 part of silicone oil; 50 parts of isopropanol; 30 parts of titanium dioxide; 35 parts of methyl methacrylate.

[0014] Put the above-mentioned raw materials into the reaction kettle, raise the temperature to 80°C, keep the temperature for 4 hours, and pulverize it with a pulverizer after cooling, and sieve it with a 20mg sieve to prepare the coating.

[0015] The glossiness of the coating film is 100%, the Shore hardness is 50H, and there is no foaming or falling off after soaking in water for 30 days; the tensile strength is 20MPa, and th...

Embodiment 2

[0017] A new type of alkali-resistant acrylic resin powder coating for ceramics, the proportion of its raw materials is as follows in parts by weight: 100 parts of butyl acrylate; 20 parts of pyridine; 8 parts of 2-ethylhexyl acrylate; 35 parts of urea; ethyl acrylate 15 parts; 50 parts of butanol; 15 parts of polymethylphenylsiloxane; 30 parts of xylene; 30 parts of hydroxyethyl methacrylate; 60 parts of phthalic anhydride; 10 parts of DOP; 0.5 parts of silicone oil; 40 parts of titanium dioxide; 55 parts of methyl methacrylate.

[0018] Put the above raw materials into the reaction kettle, raise the temperature to 100°C, keep the temperature for 6 hours, and pulverize it with a pulverizer after cooling, and sieve it with a 100mg sieve to prepare the coating.

[0019] The glossiness of the coating film is 110%, the Shore hardness is 55H, and there is no foaming or falling off after soaking in water for 35 days; the tensile strength is 25MPa, and there is no abnormality after ...

Embodiment 3

[0021] A new type of alkali-resistant acrylic resin powder coating for ceramics, the proportion of raw materials in parts by weight is as follows: 100 parts of butyl acrylate; 15 parts of pyridine; 5 parts of 2-ethylhexyl acrylate; 25 parts of urea; ethyl acrylate 10 parts; 40 parts of butanol; 10 parts of melamine formaldehyde resin; 25 parts of xylene; 20 parts of hydroxyethyl methacrylate; 50 parts of phthalic anhydride; 5 parts of DOP; 0.3 parts of silicone oil; 60 parts of isopropyl alcohol; 35 parts of titanium dioxide; 45 parts of methyl methacrylate.

[0022] Put the above raw materials into the reaction kettle, raise the temperature to 90°C, keep the temperature for 5 hours, and pulverize with a pulverizer after cooling, and sieve with a 60mg sieve to prepare the coating.

[0023] The glossiness of the coating film is 120%, the Shore hardness is 60H, and there is no foaming or falling off after soaking in water for 40 days; the tensile strength is 30MPa, and there is ...

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Abstract

The invention discloses an alkali-resistant acrylic resin powder paint for new ceramics, which is prepared from butyl acrylate, pyridine, ethylhexyl-2-acrylate, urea, ethyl acrylate, butanol, a leveling agent, xylene, hydroxyethyl methacrylate, phthalic anhydride, a plasticizer, silicon oil, isopropanol, titanium white and methyl methacrylate. The coated film glossiness is 100-120%, the Shore hardness is 50-60H, and the coated film does not have the phenomena of blistering and shedding after being immersed in water for 30-40 days. The tensile strength is 20-30 MPa, and the coated film does not have abnormalities after being immersed in a 5% hydrochloric acid solution for 25-35 days. The adhesion is Grade 1-2, the impact strength is 500-600 N/cm, and the coated film does not blister or wrinkle after being immersed in saturated calcium hydroxide for 20-30 days. The scrub resistance is 1200-1500 times.

Description

technical field [0001] The application belongs to the field of coatings, in particular to an alkali-resistant acrylic resin powder coating for ceramics. Background technique [0002] Over the past 30 years of reform and opening up, China's ceramic industry has developed rapidly, and now it has become a veritable ceramic production and consumption country in the world. The output of daily-use ceramics produced in China accounts for about 70% of the world, the output of decorative art ceramics accounts for 65% of the world, and the output of architectural ceramics accounts for half of the world's total output. The ceramic industry occupies a pivotal position in the world's building materials industry. Ceramic coatings have excellent weather resistance and processability, and are resistant to dirt and damage. Conventional ceramic coatings are resistant to scratches, but they are prone to cracks if the painted parts are bent, and fluorine-containing resin coatings and organic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/08C09D5/03C09D7/12C08F220/18C08F220/14C08F220/28
CPCC08F220/18C08F220/1804C08L2205/025C08L2205/03C09D5/03C09D7/40C09D133/08C08L83/04C08K13/02C08K2003/2241C08K5/21C08K5/3432C08L61/28C08F220/1806C08F220/281C08F220/14
Inventor 陆志强
Owner HUZHOU ZHONGCHEN CONSTR
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