Title:
SUCTION CHUCKING TEMPORARY FIXING MEMBER
Document Type and Number:
WIPO Patent Application WO/2017/175512
Kind Code:
A1
Abstract:
Provided is an adsorption temporary fixing member whereby an adherend can be adhered and temporarily fixed without inclusion of bubbles, peeling from a specified position does not readily occur at high temperature or low temperature, peeling without adhesive deposit is possible when temporarily fixing is to be released, adsorption is restored by water washing when contaminated, and the adsorption temporary fixing member can be repeatedly used. This adsorption temporary fixing member is an adsorption temporary fixing sheet having a foam layer provided with a continuous foam structure, the sheet having the foam layer on the entirety thereof or on at least one surface thereof, the shearing adhesion strength of the surface of the foam layer to an SUS304BA plate at 23°C being 1 N/100 mm2 or greater at a tension rate of 50 mm/minute, the peel strength of the surface of the foam layer from an SUS304BA plate at 23°C being 1 N/20 mm or less at a peel angle of 180 degrees and a tension rate of 300 mm/minute, and the weight change being 50% or less when water droplets are wiped off the surface of the adsorption temporary fixing sheet after the adsorption temporary fixing sheet is dipped in distilled water for 1 minute.
Inventors:
DOI KOHEI (土井 浩平)
Application Number:
PCT/JP2017/007400
Publication Date:
October 12, 2017
Filing Date:
February 27, 2017
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
C08J9/28; C08L83/05; C08L83/07; B32B5/18
Domestic Patent References:
WO2010013847A1 | 2010-02-04 | |||
WO2012029537A1 | 2012-03-08 |
Foreign References:
JP2012241146A | 2012-12-10 | |||
JP2013144788A | 2013-07-25 | |||
JP2012056985A | 2012-03-22 | |||
JP2008214625A | 2008-09-18 | |||
JPH01259043A | 1989-10-16 | |||
JPS572899B2 | 1982-01-19 | |||
JP2014167067A | 2014-09-11 |
Other References:
See also references of EP 3441422A4
Attorney, Agent or Firm:
MOMII Takafumi (JP)
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