Title:
ULTRAVIOLET CURABLE POLYORGANOSILOXANE COMPOSITION AND ELECTRIC AND ELECTRONIC DEVICE HAVING CURED PRODUCT THEREOF
Document Type and Number:
Japanese Patent JP2021080372
Kind Code:
A
Abstract:
To provide an ultraviolet curable polyorganosiloxane composition for forming a cured product having a low viscosity, good coating properties without a solvent, high hardness, excellent scratch resistance and heat resistance.SOLUTION: There is provided an ultraviolet curable polyorganosiloxane composition which comprises (A) a polyorganopolysiloxane mixture obtained by mixing (A1) a polyorganopolysiloxane having a viscosity of 3 mPa s or more and less than 20 mPa s and an organic group containing a (meth)acrylic group bonded to a silicon atom at the molecular terminal and (A2) a polyorganopolysiloxane having a viscosity of 20 mPa s to 100000 mPa s and a predetermined structure having an organic group containing a (meth)acrylic group bonded to a silicon atom at the molecular terminal, (B) a polyorganosiloxane having a three-dimensional network structure containing an M unit and a Q unit in which the molar ratio of the M unit to the Q unit is 0.5 or more and 1.2 or less and a silanol group content of 1.0 mass% or more and (C) a photoreaction initiator.SELECTED DRAWING: None
Inventors:
ONO KAZUHISA
Application Number:
JP2019209113A
Publication Date:
May 27, 2021
Filing Date:
November 19, 2019
Export Citation:
Assignee:
MOMENTIVE PERFORMANCE MAT INC
International Classes:
C08F290/06; C08K5/5415; C08L83/06; C08L83/07; C09D7/63; C09D183/07
Attorney, Agent or Firm:
Patent Business Corporation Sakura International Patent Office