Photocureable coating for pianos

A technology for curing coatings and pianos, applied in coatings and other directions, can solve problems such as the use of a large number of reactive diluent monomers and the improvement of organic volatile components, and achieve the effect of saving equipment area, meeting environmental protection regulations, and improving production efficiency.

Inactive Publication Date: 2009-12-02
浜二(宜昌)涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

my country's UV-curable coatings are all solvent-based, requiring a large amount of reactive diluent monomers, which will lead to a substantial increase in the volatile organic components (VOC) of the coating, which is in violation of the increasingly stringent international regulations on VOC control of coatings.

Method used

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Experimental program
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Effect test

Embodiment

[0022] In parts by weight, mix reactive diluent 5-20, oligomer 55-70, powder 4-6, photoinitiator 3-4, auxiliary agent 0.4-0.6, auxiliary agent namely defoamer and leveling agent After stirring, the ambient temperature is controlled at 20-28°C during the production process, the material temperature is controlled at 30-40°C when the materials are mixed and stirred, the stirring speed is 600-800r / min, and the stirring time is 110-130 minutes. After stirring and grinding, add Stir the solvent with 10-12% of the total weight of the material evenly to obtain the UV photocurable paint for piano. The temperature of the grinding base material is controlled below 50°, and the grinding pressure is controlled at 0.05-0.1Mpa.

[0023] The oligomers in the present invention are resins such as epoxy acrylate, polyurethane acrylate, polyester acrylate, polyether acrylate, acrylated polyacrylic resin and unsaturated polyester, and monofunctional or polyfunctional groups of various acrylates. ...

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Abstract

The invention discloses a photocureable coating for pianos. A method for preparing the photocureable coating comprises the following steps: mixing 5 to 20 portions of active diluting agent, 55 to 70 portions of oligomer, 4 to 6 portions of powder, 3 to 4 portions of photoinitiator, and 0.4 to 0.6 portion of additive by weight, then stirring the mixture, grinding the mixture, and then adding a solvent which accounts for 10 to 12 percent of the total weight of the materials into the mixture to be stirred evenly to obtain photocureable coating for the pianos. The photocureable coating for the pianos has quick curing speed, can perform quick and continuous operation, and greatly improve production efficiency; the coating does not need to be heated and dried, so the coating can save 75 to 90 percent of energy sources than the prior heat dry coating during the construction; coating equipment for an UV coating is compact, does not need a drying tunnel, has simple and convenient operation, is easy to realize production automation, saves floor area, and reduces operation space; and the UV coating has no the volatilization of VOCs during the film formation, does not cause the pollution to the environment, and improves surface performances such as paint film hardness, flexibility, wear and scratch resistance, chemical resistance, high gloss, durability and the like.

Description

technical field [0001] The invention relates to a method for preparing a coating for pianos. Background technique [0002] UV paint is the English abbreviation of Ultraviolet Curing Paint. That is, ultraviolet light curing paint, also known as photoinitiated coating, light curing coating, this kind of paint must be cured into a film after being irradiated by ultraviolet light. my country's UV-curable coatings are all solvent-based, requiring a large amount of reactive diluent monomers, which will lead to a substantial increase in the volatile organic components (VOC) of the coating, which is in violation of the increasingly stringent international regulations on VOC control of coatings. Contents of the invention [0003] The purpose of the present invention is to provide a light-cured coating which has less organic volatile components, can be quickly cured under ultraviolet radiation, and is suitable for pianos. [0004] The object of the present invention is achieved li...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/02C09D5/00
Inventor 赵严斌余维东
Owner 浜二(宜昌)涂料有限公司
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