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Title:
LAYERED BODY
Document Type and Number:
WIPO Patent Application WO/2021/085099
Kind Code:
A1
Abstract:
The present invention provides a layered body achieving an excellent rate of absorption of fuel or the like into a filter medium. Provided is a layered body having a first substrate and a second substrate. The layered body is characterized in that: the first substrate and the second substrate are bonded to each other via an adhesive and contain a phenolic resin and an aliphatic hydrocarbon which is detected during a retention time of 12.0-30.0 minutes by pyrolysis-gas chromatograph/mass spectrometry (PY-GC/MS); and the adhesive contains a butylene terephthalate unit in an amount of not less than 65 mol% and a butylene isophthalate unit in an amount of not less than 5 mol%, and has an acid value of not more than 100 eq/ton, a glass transition temperature of -10 to 60°C and a specific weight of not less than 1.20.

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Inventors:
HAMASAKI RYO (JP)
SAITO JUNKI (JP)
FUNAOKA DAIKI (JP)
Application Number:
PCT/JP2020/038464
Publication Date:
May 06, 2021
Filing Date:
October 12, 2020
Export Citation:
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Assignee:
TOYO BOSEKI (JP)
International Classes:
B32B27/42; B01D39/16; B01D39/18; B32B27/36
Domestic Patent References:
WO2019016605A12019-01-24
Foreign References:
JP2018525225A2018-09-06
JP2015502833A2015-01-29
JP2016195589A2016-11-24
US5670238A1997-09-23
Attorney, Agent or Firm:
USFI PATENT ATTORNEYS INTERNATIONAL OFFICE (JP)
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