Title:
SURFACE PROTECTIVE FILM
Document Type and Number:
WIPO Patent Application WO/2016/027908
Kind Code:
A8
Abstract:
This surface protective film is affixed to an optical member or an electronic member and is used to protect the surface of the optical member or the electronic member, wherein: the surface protective film is provided with a support body having a bending resistance of 5,000-45,000 mN·cm, and an adhesive layer on one surface of the support body; the support body has a buffer layer comprising one or more materials selected from buffer layer formation resin films and buffer layer formation compositions containing an energy-beam-polymerizable compound; and when the buffer layer is indented by the tip of a triangular-pyramid-shaped indenter having a tip curvature radius of 100 nm and an inter-ridge angle of 115° at a speed of 10 μm/min, the indentation depth (Z) required for the compression load to reach 2 mN is 2.5 μm or above.
Inventors:
HORIGOME KATSUHIKO (JP)
KURATA YUICHI (JP)
TOMINAGA TOMOCHIKA (JP)
KURATA YUICHI (JP)
TOMINAGA TOMOCHIKA (JP)
Application Number:
PCT/JP2015/075804
Publication Date:
April 14, 2016
Filing Date:
September 11, 2015
Export Citation:
Assignee:
LINTEC CORP (JP)
International Classes:
B32B27/00; C09D4/00; C09D5/00; C09J7/20; C09J133/04; C09J201/00
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (Toranomon ES Bldg. 7F. 25-2, Toranomon 3-chome, Minato-k, Tokyo 01, JP)
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