Title:
POLYURETHANE COMPOUND AND RESIN COMPOSITION CONTAINING SAME
Document Type and Number:
WIPO Patent Application WO/2016/031952
Kind Code:
A1
Abstract:
This invention provides a polyurethane resin (E) that has excellent flexibility, weather resistance, and light resistance, can maintain transparency, and is suitable for use in optical applications. The polyurethane resin (E) is obtained by reacting a compound (A), a compound (B), and a compound (C), based on the relationship (number of moles of isocyanate groups of (B)) > (total number of moles of hydroxyl groups of (A) and (C)), and then reacting a compound (D). Compound (A): a polyol compound; compound (B): a polyisocyanate compound; compound (C): a (meth)acrylate compound that has at least one hydroxyl group; and compound (D): a polyol compound.
Inventors:
KAMETANI HIDEAKI (JP)
MIZUGUCHI TAKAFUMI (JP)
MOTOHASHI HAYATO (JP)
MIZUGUCHI TAKAFUMI (JP)
MOTOHASHI HAYATO (JP)
Application Number:
PCT/JP2015/074357
Publication Date:
March 03, 2016
Filing Date:
August 28, 2015
Export Citation:
Assignee:
NIPPON KAYAKU KK (JP)
International Classes:
C08G18/67; C08F290/06; C08G18/12
Foreign References:
| JPS627714A | 1987-01-14 | |||
| JPH03273017A | 1991-12-04 | |||
| JPS62220514A | 1987-09-28 | |||
| JPS6090212A | 1985-05-21 | |||
| JPH01159824A | 1989-06-22 | |||
| JPH03215515A | 1991-09-20 |
Attorney, Agent or Firm:
Shin-Ei Patent Firm, P. C. (JP)
Patent business corporation Shin-Ei Patent Firm (JP)
Patent business corporation Shin-Ei Patent Firm (JP)
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