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Ultraviolet curing coating for large-area plastic building material

A technology for curing coatings and ultraviolet light, applied in the field of coatings, can solve the problems of service life influence, poor effect, leveling effect, curing speed and weather resistance that do not have high standard requirements, etc. Good chemical resistance

Inactive Publication Date: 2015-01-21
CHENGDU NASHUO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing coatings for general plastic building materials are not effective, and the leveling effect, curing speed, and weather resistance do not meet high standard requirements, so the service life is greatly affected.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] The UV-curable coating for large-area plastic building materials is prepared from the following raw materials in mass percentage:

[0040] Difunctional urethane acrylate oligomer: 40%;

[0041] Graphitized nano carbon fiber: 5%;

[0042] Benzophenone: 8%;

[0043] Organic fluorine: 1.5%;

[0044] Glycol ether: 7.5%;

[0045] Isobornyl acrylate, diacrylate mixture: 16.5%;

[0046] Polyacrylate or silicone leveling agent: 1.5%;

[0047] Methylpentanone Alcohol: 20%.

[0048] Wherein, the mass ratio of the mixture of isobornyl acrylate and diacrylate is 2:1.

Embodiment 2

[0050] The UV-curable coating for large-area plastic building materials is prepared from the following raw materials in mass percentage:

[0051] Difunctional urethane acrylate oligomer: 42%;

[0052] Graphitized nano-carbon fiber: 4%;

[0053] α-Hydroxyketone: 10%;

[0054] Silicone: 2%;

[0055] Glycol ether: 9%;

[0056] Isobornyl acrylate, diacrylate mixture: 18%;

[0057] Polyacrylate or silicone leveling agent: 1%;

[0058] Methylpentanone alcohol: 14%.

[0059] Wherein, the mass ratio of the mixture of isobornyl acrylate and diacrylate is 2.5:1.

Embodiment 3

[0061] The UV-curable coating for large-area plastic building materials is prepared from the following raw materials in mass percentage:

[0062] Difunctional urethane acrylate oligomer: 35%;

[0063] Graphitized nano-carbon fiber: 3%;

[0064] Benzophenone, alpha-hydroxy ketone mixture: 12%;

[0065] Organosilicon and organic fluorine mixtures: 3%;

[0066] Glycol ether: 10%;

[0067] Isobornyl acrylate, diacrylate mixture: 12%;

[0068] Polyacrylate or silicone leveling agent: 2%;

[0069] Methylpentanone alcohol: 23%.

[0070] Among them, the mass ratio of the mixture of benzophenone and α-hydroxyketone is 2.2:1; the mass ratio of the mixture of isobornyl acrylate and diacrylate is 1.8:1.

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PUM

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Abstract

The invention relates to the field of coatings, in particular to an ultraviolet curing coating for a large-area plastic building material. The ultraviolet curing coating is characterized by being prepared from the following raw materials in percentage by mass: 30-45 percent of two-functional-group polyurethane acrylate oligomer, 3-5 percent of graphitized carbon nanofiber, 5-12 percent of an initiator, 1-3 percent of a surface additive, 5-10 percent of a solubilizing assistant, 10-20 percent of a reactive diluent, 1-2 percent of polyacrylate or an organosilicon levelling agent, and 10-30 percent of an inert solvent. The ultraviolet curing coating is excellent in levelling effect, high in curing speed, excellent in weather resistance, and higher in salt fog resistance, ageing resistance, abrasion resistance, scratching resistance, adhesive force and hot and cold impact resistance.

Description

technical field [0001] The invention relates to the field of coatings, in particular to an ultraviolet curing coating used for large-area plastic building materials. Background technique [0002] Since the advent of UV-curable coatings, it has the characteristics of 5E, namely Efficient, Enabling, Economical, Energy Saying, and Environmental-friendly. In the prior art, UV-curable coatings have been widely used in fields closely related to life to beautify and protect objects. [0003] Plastic building materials are a rising star in the building materials industry. With the rapid growth of China's real estate industry and increased investment in infrastructure in recent years, China's plastic building materials industry has become the second largest in the plastics industry after packaging. A pillar industry with an average annual growth rate of more than 15%. In recent years, China's plastic building materials industry has accelerated the pace of research and development, ...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D7/12
CPCC09D175/14C08K2201/014C09D7/63C09D7/65C09D7/70
Inventor 习小山王军黄波
Owner CHENGDU NASHUO TECH