Title:
水分散型粘着剤組成物、粘着剤層、粘着シート、及び、当該粘着剤層または粘着シートを含む積層体
Document Type and Number:
Japanese Patent JP5628884
Kind Code:
B2
Abstract:
A water-dispersed pressure-sensitive adhesive composition according to the present invention includes a (meth)acrylic polymer obtained by polymerizing monomer ingredient(s) including as a main component at least one (meth)acrylic acid alkyl ester in which the alkyl group has 1-18 carbon atoms, a rubber ingredient which is incompatible with the (meth)acrylic polymer and which has a degree of swelling of 130% or higher upon immersion for 2 hours in a mineral-oil-based rust preventive oil having a kinetic viscosity at 40°C of 5 mm 2 /s, and a tackifier, and a blending ratio by weight of the (meth)acrylic polymer to the rubber ingredient is from 95/5 to 5/95.
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Inventors:
西村 いずみ
岡田 美佳
岡田 美佳
Application Number:
JP2012258015A
Publication Date:
November 19, 2014
Filing Date:
November 26, 2012
Export Citation:
Assignee:
日東電工株式会社
International Classes:
C09J133/04; B32B27/00; C09J7/20; C09J7/22; C09J7/38; C09J11/06; C09J107/02; C09J109/00; C09J109/08; C09J111/02
Attorney, Agent or Firm:
Yuriko Hamada
Kimihide Hashimoto
Kimihide Hashimoto