Title:
SELECTION METHOD FOR SEPARATOR AND ADHESIVE SHEET USING SEPARATOR SELECTED BY SELECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2012/172975
Kind Code:
A1
Abstract:
Provided is a method for simply selecting a preferable separator for an adhesive sheet. This selection method includes: a step for obtaining an adhesive sheet that has at least an adhesive layer and a separator in which at least a material that forms an adhesive layer is bonded with the separator in a molten state; a step for producing an adhesive sheet for evaluation in which the separator is peeled from the adhesive sheet obtained and a separator for evaluation is bonded with the adhesive layer of the adhesive sheet; and a step for holding the adhesive sheet for evaluation between a pair of cushion materials and a pair of pressing plates, maintaining the press plate surface temperature at 140°C and pressure of 5 MPa for one minute and thereafter evaluating the peeling force for the separator for evaluation by 180° peeling tests with a peeling rate of 300 mm/min.
Inventors:
KAMEI KATSUTOSHI (JP)
IKISHIMA SHINSUKE (JP)
HABU TAKASHI (JP)
ASAI FUMITERU (JP)
IKISHIMA SHINSUKE (JP)
HABU TAKASHI (JP)
ASAI FUMITERU (JP)
Application Number:
PCT/JP2012/063871
Publication Date:
December 20, 2012
Filing Date:
May 30, 2012
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
KAMEI KATSUTOSHI (JP)
IKISHIMA SHINSUKE (JP)
HABU TAKASHI (JP)
ASAI FUMITERU (JP)
KAMEI KATSUTOSHI (JP)
IKISHIMA SHINSUKE (JP)
HABU TAKASHI (JP)
ASAI FUMITERU (JP)
International Classes:
C09J5/00; B32B27/00; C09J7/40; C09J123/00; C09J123/14
Foreign References:
| JP2000345124A | 2000-12-12 | |||
| JP2005068420A | 2005-03-17 | |||
| JP2004190011A | 2004-07-08 | |||
| JP2003286459A | 2003-10-10 | |||
| JP2009275209A | 2009-11-26 |
Attorney, Agent or Firm:
MOMII, Takafumi (JP)
Takafumi Momii (JP)
Takafumi Momii (JP)
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Claims: