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Title:
PHOTOCURABLE AQUEOUS POLYURETHANE RESIN DISPERSION AND PROCESS FOR PRODUCTION THEREOF
Document Type and Number:
WIPO Patent Application WO/2011/122519
Kind Code:
A1
Abstract:
Provided is an aqueous polyurethane resin dispersion which ensures excellent dispersion of a polyurethane prepolymer in an aqueous medium and which exhibits excellent stability of polyurethane resin in water. The aqueous polyurethane resin dispersion is suitable for practical use as a durable coating or paint composition which is resistant to hydrolysis, heat and wear and which exhibits particularly excellent hardness. Specifically provided is an aqueous polyurethane resin dispersion prepared by dispersing a polyurethane resin in an aqueous medium, wherein the polyurethane resin is a polyurethane resin which contains 26 to 50wt% of alicyclic structures relative to the whole polyurethane resin and which has polymerizable unsaturated bonds.

Inventors:
TAKIGAWA, Shinya (())
滝川 真弥 (())
Application Number:
JP2011/057531
Publication Date:
October 06, 2011
Filing Date:
March 28, 2011
Export Citation:
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Assignee:
UBE INDUSTRIES, LTD. (1978-96, Oaza Kogushi Ube-sh, Yamaguchi 33, 〒7558633, JP)
宇部興産株式会社 (〒33 山口県宇部市大字小串1978番地の96 Yamaguchi, 〒7558633, JP)
TAKIGAWA, Shinya (())
International Classes:
C08G18/00; C08F299/06; C08G18/10; C08G18/67; C08J3/05; C09D175/14
Domestic Patent References:
WO2009145242A1
Foreign References:
JP2008534710A
Attorney, Agent or Firm:
TSUKUNI, Hajime (KASUMIGASEKI TOKYU Bldg, 3-7-1 Kasumigaseki, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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Claims: