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Title:
PRESSURE-SENSITIVE ADHESIVE SHEET
Document Type and Number:
WIPO Patent Application WO/2020/195864
Kind Code:
A1
Abstract:
Provided is a pressure-sensitive adhesive sheet having good workability, the pressure-sensitive adhesive sheet as a whole having reduced dependency on fossil resources. This pressure-sensitive adhesive sheet is provided with a substrate layer containing a polyester resin and a pressure-sensitive adhesive layer disposed on at least one surface of the substrate layer. At least 50% of the total carbon contained in the pressure-sensitive adhesive layer is biomass-derived carbon. Moreover, the polyester resin contains biomass-derived carbon.

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Inventors:
WATANABE SHIGEKI (JP)
NIWA MASAHITO (JP)
Application Number:
PCT/JP2020/010689
Publication Date:
October 01, 2020
Filing Date:
March 12, 2020
Export Citation:
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Assignee:
NITTO DENKO CORP (JP)
International Classes:
C09J199/00; C09J7/25; C09J7/38
Domestic Patent References:
WO2011010507A12011-01-27
WO2016186122A12016-11-24
WO2009079213A22009-06-25
Foreign References:
JP2005247402A2005-09-15
JP2014196471A2014-10-16
JP2006282752A2006-10-19
JP2020041023A2020-03-19
JP2020050712A2020-04-02
JP2020050711A2020-04-02
JP2019054306A2019-04-04
JPS614500B21986-02-10
JP2015221847A2015-12-10
JPS5316725B21978-06-03
Other References:
CHEMISCHE TECHNIK, vol. 38, no. 3, 1986, pages 116 - 119
Attorney, Agent or Firm:
OI, Michiko (JP)
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