Title:
ADHESIVE COMPOSITION AND ADHESIVE SHEET USING THE SAME
Document Type and Number:
Japanese Patent JP2014231586
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an adhesive composition having low water vapor permeability and showing no reduction in the adhesive force even in a high temperature and high humidity environment.SOLUTION: The adhesive composition comprises: a polyisobutylene resin A having a mass average molecular weight ranging from 400000 to 800000; a polyisobutylene resin B having a mass average molecular weight of 100000 or less; a tackifier having a softening temperature of 140°C or higher; and a silane coupling agent.
Inventors:
SAKURAI REIKO
Application Number:
JP2013114373A
Publication Date:
December 11, 2014
Filing Date:
May 30, 2013
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
C09J123/22; B32B27/00; B32B27/32; C09J7/02; C09J11/06
Attorney, Agent or Firm:
Katsunuma Hirohito
Yukitaka Nakamura
Nobutaka Yokota
Mari Asano
Yukitaka Nakamura
Nobutaka Yokota
Mari Asano
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