Title:
ULTRAVIOLET CURABLE COATING COMPOSITION AND COATED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2023/053256
Kind Code:
A1
Abstract:
The present invention can provide: an ultraviolet curable coating composition that forms a coating film which is scratch-resistant, which has high hardness, and which has excellent chemical resistance such as perspiration (lactic acid) resistance, ethanol resistance, etc.; and a coated article. The objective of the present invention is achieved by the following. An ultraviolet curable coating composition containing at least (a) a polyfunctional (meth)acrylate oligomer, (b) a polyfunctional (meth)acrylate monomer, (c) a monofunctional (meth)acrylate monomer having a molecular weight of 150-500, and (d) a photopolymerization initiator. In the solid content of the coating composition, the content of (c) is 5-30% by mass, the total amount of (a), (b), and (c) is 70-99% by mass, and the (a) to (b) content ratio (a)/(b) is 50/50 to 95/5.
Inventors:
MAEDA HIROSHI (JP)
AOKI KEITA (JP)
WAKAO JUNKO (JP)
KUANG CHEN (JP)
AOKI KEITA (JP)
WAKAO JUNKO (JP)
KUANG CHEN (JP)
Application Number:
PCT/JP2021/035818
Publication Date:
April 06, 2023
Filing Date:
September 29, 2021
Export Citation:
Assignee:
DAINIPPON TORYO KK (JP)
International Classes:
B05D7/24; C09D4/02
Foreign References:
| JP2012188498A | 2012-10-04 | |||
| JP2018193529A | 2018-12-06 | |||
| KR20040072339A | 2004-08-18 | |||
| JP2009084395A | 2009-04-23 | |||
| JP2014159154A | 2014-09-04 |
Attorney, Agent or Firm:
SEKIGUCHI Masao (JP)
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