Title:
剥離ライナー付き粘着シート
Document Type and Number:
Japanese Patent JP5541847
Kind Code:
B2
Abstract:
Provided is a release-lined pressure-sensitive adhesive sheet comprising a release liner 10 and a pressure-sensitive adhesive sheet 20. The release liner 10 has an average linear expansion coefficient of at most 7 × 10 -5 /°C between 25 °C and 40 °C. A layer 12 to constitute a surface 10A on the pressure-sensitive adhesive layer side of the release liner 10 is formed of a polyolefin-based resin composition containing none or at most 0.01 mass% of a phosphorous-based antioxidant. The surface 10A is divided into a plurality of sections 124 by a plurality of ridges 2A and 2B with each ridge having a height of 5 µm to 50 µm. At least one of the sections 124 inscribes a circle of a diameter greater than 500 µm.
Inventors:
Yoshio Nakagawa
Hirokazu Ukei
Hirokazu Ukei
Application Number:
JP2008118984A
Publication Date:
July 09, 2014
Filing Date:
April 30, 2008
Export Citation:
Assignee:
NITTO DENKO CORP.
International Classes:
C09J7/02; B32B27/00
Attorney, Agent or Firm:
Makoto Abe
Michiko Oi
Valley Seiji
Michiko Oi
Valley Seiji