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Acrylic resin polyurethane powder coating for ceramics

A technology of acrylic resin and polyurethane powder, which is applied in the field of coatings and can solve the problems of elongation at break, slow drying, heat resistance, etc.

Active Publication Date: 2015-01-28
苏州非特兄弟新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above technical problems, the present application provides an acrylic resin polyurethane powder coating for ceramics, which solves the technical problems of the existing ceramic acrylic resin polyurethane powder coatings such as slow drying, heat resistance, scrub resistance and low elongation at break.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] An acrylic resin polyurethane powder coating for ceramics. The raw materials are as follows in parts by weight: 40 parts of dimethyl glutarate; 5 parts of methacrylic acid; 20 parts of diethanolamine; 0.1 part of lead naphthenate; carbon black 5 Parts; 1 part of polysiloxane; 5 parts of benzotriazole; 6 parts of polycarbodiimide; 10 parts of calcium stearate; 2 parts of azelaic acid; 1 part of alkyl-modified organosiloxane; sorbitol 4 parts of anhydride monolaurate; 15 parts of butyl maleic acid; 1 part of dimethyl dodecylamine; 100 parts of methyl methacrylate.

[0015] The above-mentioned raw materials are added into the reaction kettle, the temperature is raised to 160 DEG C, the temperature is kept for 3 hours, and the mixture is evenly mixed. After cooling, it is crushed with a pulverizer and sieved with a 120 mg sieve to prepare the coating.

[0016] Product melting point is 180℃, density is 130g / cm 3 , There is no blistering or shedding after immersing in water for 40...

Embodiment 2

[0018] An acrylic resin polyurethane powder coating for ceramics. The raw materials are as follows in parts by weight: 50 parts of dimethyl glutarate; 15 parts of methacrylic acid; 30 parts of diethanolamine; 0.3 parts of lead naphthenate; 15 parts of carbon black Parts; 5 parts of polysiloxane; 15 parts of benzotriazole; 8 parts of polycarbodiimide; 20 parts of calcium stearate; 8 parts of azelaic acid; 10 parts of polydimethylsiloxane; sorbitol anhydride 6 parts of monolaurate; 25 parts of butyl maleic acid; 10 parts of dimethyl dodecylamine; 100 parts of methyl methacrylate.

[0019] The above-mentioned raw materials are added into the reaction kettle, the temperature is raised to 180° C., the temperature is kept for 5 hours, and the mixture is uniformly mixed. After cooling, it is crushed with a pulverizer, and sieved with a 140 mg sieve to prepare the coating.

[0020] The melting point of the product is 190℃, the density is 140g / cm 3 , There is no blistering or shedding after...

Embodiment 3

[0022] An acrylic resin polyurethane powder coating for ceramics. The raw materials are as follows in parts by weight: 45 parts of dimethyl glutarate; 10 parts of methacrylic acid; 25 parts of diethanolamine; 0.2 parts of lead naphthenate; 10 parts of carbon black Parts; 3 parts of polysiloxane; 10 parts of N-acetylpiperazine; 7 parts of polycarbodiimide; 15 parts of calcium stearate; 5 parts of azelaic acid; 5 parts of polydimethylsiloxane; Sorbus 5 parts of alcohol anhydride monolaurate; 20 parts of butyl maleic acid; 5 parts of dimethyl dodecylamine; 100 parts of methyl methacrylate.

[0023] The above-mentioned raw materials are added into the reaction kettle, the temperature is raised to 170° C., the temperature is kept for 4 hours, and the mixture is evenly mixed. After cooling, it is crushed with a pulverizer, and sieved with a 130 mg sieve to prepare the coating.

[0024] Product melting point 200℃, density 150g / cm 3 , There is no blistering or shedding after soaking in wat...

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Abstract

The invention discloses an acrylic resin polyurethane powder coating for ceramics. The acrylic resin polyurethane powder coating comprises the following raw materials: dimethyl glutarate, methacrylic acid, diethanol amine, lead naphthenate, carbon black, polysiloxane, ultraviolet ray absorber, polycarbodiimide, calcium stearate, azelaic acid, flatting agents, sorbitol anhydride monolaurate, butyl maleic acid, dimethyl dodecyl amine and methyl methacrylate; a melting point of the product is 180-200 DEG C and the density is130-150 g / cm<3>, and the phenomena of bubbling and dropping are avoided after the product is soaked for 40-50 days in water; the tensile strength is 20-40 MPa, the elongation rate is 300-400 percent, and the product is soaked for 25-35 days in a 5% hydrochloric acid solution and the abnormal phenomenon is avoided; the lustrousness is 115-135 percent, and the product is soaked for 20-30 days in saturated calcium hydroxide, and the phenomena of bubbling and wrinkling are avoided; the drying time is 20-30 minutes, and the time of the washing fastness is 1,600-2,000 times.

Description

Technical field [0001] The application belongs to the field of coatings, and particularly relates to an acrylic resin polyurethane 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 has now become a veritable ceramic producer and consumer country in the world. The output of daily-use ceramics produced in China accounts for about 70% of the world's total, the output of decorative art ceramics accounts for 65% of the global output, and the output of architectural ceramics also accounts for half of the world's total output. The ceramic industry occupies a pivotal position in the world's building materials industry. So far, the definition of ceramics can be summarized as follows: ceramics use aluminosilicate minerals or certain oxides as the main raw materials, according to human intentions through specific physical and chemical processes at a certain temperature and A certai...

Claims

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Application Information

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IPC IPC(8): C09D4/02C09D4/06C09D5/03C09D7/12
Inventor 马志明
Owner 苏州非特兄弟新材料科技有限公司
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