Title:
ADHESIVE SHEET AND METHOD FOR PRODUCING ADHESIVE SHEET
Document Type and Number:
Japanese Patent JP2017149833
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an adhesive sheet which not only obtains excellent constant load resistance but also exhibits excellent adhesive force to various adherends.SOLUTION: There are provided an adhesive sheet having an adhesive layer formed from a cured product of an adhesive composition on at least one surface of a base material and a method for producing the same, where the adhesive composition of the adhesive layer contains (A) a terminal silyl group polymer, (B1) a tackifier resin that is solid at 23°C and (B2) a tackifier resin that is liquid at 23°C, where the (A) component has a polyoxyalkylene structure in its main chain, has an urethane bond and the like in a part of the main chain or its side chain and further has a hydrolyzable silyl group on both terminal ends of the main chain, and an amount of the (B1) component to be blended is set at a value in a range of 90-250 pts.wt. and an amount of the (B2) component to be blended is set at a value in a range of 3-140 pts.wt., with respect to 100 pts.wt. of the (A) component.SELECTED DRAWING: Figure 1
Inventors:
OTAKA SHO
YAMAGUCHI SEITARO
MIYATA TAKESHI
YAMAGUCHI SEITARO
MIYATA TAKESHI
Application Number:
JP2016033008A
Publication Date:
August 31, 2017
Filing Date:
February 24, 2016
Export Citation:
Assignee:
LINTEC CORP
International Classes:
C09J7/02; C09J11/06; C09J171/02; C09J175/02; C09J175/04; C09J183/12
Attorney, Agent or Firm:
Kenji Emori
Masakazu Yoshida
Masakazu Yoshida
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