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Title:
ADHESIVE FILM
Document Type and Number:
Japanese Patent JP2012021164
Kind Code:
A
Abstract:

To provide an adhesive film for surface protection, excellent in surface protection of an optical sheet usable for various kinds of displays, and easily peelable even when performing heat curing of the optical sheet holding an adhered adhesive tape.

The adhesive film is provided by forming an adhesive layer on one side of a plastic film, wherein the adhesive layer is obtained from an adhesive solution provided by compounding a polyfunctional isocyanate crosslinking agent to an acrylic copolymer obtained by copolymerization of a composition comprising 70-82 pts.wt. 2-ethylhexyl acrylate and 6-18 pts.wt. hydroxyethyl methacrylate as a functional group-imparting monomer, so that the functional groups of the polyfunctional isocyanate crosslinking agent is ≥20% and <60% per chemical equivalent to the functional groups of the functional group-imparting monomer.


Inventors:
SHIMANE MICHIHIRO
KIKUCHI TAKASHI
KAMATA ARIYOSHI
Application Number:
JP2011201827A
Publication Date:
February 02, 2012
Filing Date:
September 15, 2011
Export Citation:
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Assignee:
HITACHI CHEMICAL CO LTD
International Classes:
C09J7/02; B32B27/00; B32B27/30; C09J11/06; C09J133/08; C09J133/10
Domestic Patent References:
JP2002363510A2002-12-18
JPH09235526A1997-09-09
JP2002060707A2002-02-26
JP2003221558A2003-08-08
JP2004029204A2004-01-29
JP2003240951A2003-08-27
JP2005298641A2005-10-27