Title:
METHOD FOR PRODUCING URETHANE ACRYLATE RESIN AND METHOD FOR PRODUCING PHOTOCURING COMPOSITION
Document Type and Number:
Japanese Patent JP2019081830
Kind Code:
A
Abstract:
To provide a method for producing a urethane acrylate resin having a narrow molecular weight distribution and a low viscosity and to provide a photocuring composition using the urethane acrylate resin.SOLUTION: The method for producing a urethane acrylate resin (C) comprises reacting a polyol compound (A) with a compound (B) including 1:1 monoadduct product composed of a diisocyanate and a (meth)acrylate having an active hydrogen group in which the polyol compound (A) has a weight average molecular weight of 200 to 15,000 and the content of the diisocyanate to the total mass of the compound (B) including 1:1 monoadduct product is 1 mass% or less.SELECTED DRAWING: None
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Inventors:
YAMAMOTO YASUAKI
ISHIDA HISANORI
ISHIDA HISANORI
Application Number:
JP2017209202A
Publication Date:
May 30, 2019
Filing Date:
October 30, 2017
Export Citation:
Assignee:
NEGAMI KOGYO KK
International Classes:
C08F299/06; C08G18/67; C08G18/75
Attorney, Agent or Firm:
Field Saki Satoshi
Shingo Suzuki
Taichi Sakai
Shinichi Watanabe
Shingo Suzuki
Taichi Sakai
Shinichi Watanabe