Title:
URETHANE (METH)ACRYLATE-CONTAINING COMPOSITION, PHOTOCURABLE RESIN COMPOSITION, CURED PRODUCT THEREOF, HARD COAT AGENT, AND SUBSTRATE WITH HARD COAT LAYER
Document Type and Number:
WIPO Patent Application WO/2022/102388
Kind Code:
A1
Abstract:
A urethane (meth)acrylate-containing composition according to one embodiment of the present invention is a composition containing a urethane (meth)acrylate which is obtained by reacting a dipentaerythritol (meth)acrylate mixture (A) and a polyisocyanate compound (B) having 3 or more isocyanate groups, or by reacting the dipentaerythritol (meth)acrylate mixture (A), the polyisocyanate compound (B), and a diisocyanate compound (C). The urethane (meth)acrylate has 4 or more (meth)acryloyl groups per molecule and has a weight average molecular weight of 5000 or more. The hydroxyl value of the dipentaerythritol (meth)acrylate mixture (A) is 121-150 mg KOH/g.
Inventors:
HATAKENAKA MIZUKI (JP)
FUKUDA KOUICHI (JP)
SEGAWA KENTA (JP)
FUKUDA KOUICHI (JP)
SEGAWA KENTA (JP)
Application Number:
PCT/JP2021/039300
Publication Date:
May 19, 2022
Filing Date:
October 25, 2021
Export Citation:
Assignee:
NEGAMI CHEMICAL IND CO LTD (JP)
International Classes:
C08F290/06; C08G18/67; C08G18/79; C09D175/14
Domestic Patent References:
| WO2020129666A1 | 2020-06-25 |
Foreign References:
| JP2019107827A | 2019-07-04 | |||
| JP2013163765A | 2013-08-22 |
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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