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Title:
VINYL ALCOHOL COPOLYMER, RESIN COMPOSITION CONTAINING SAME, AND RESIN MOLDED BODY
Document Type and Number:
WIPO Patent Application WO/2023/127700
Kind Code:
A1
Abstract:
A vinyl alcohol copolymer according to the present invention includes a vinyl alcohol constituent unit and a C3-C30 olefin constituent unit vinyl alcohol. This copolymer satisfies at least one among the conditions in which: the difference between the melting point and the lowest heat-sealing temperature is 45 °C or more; and the lowest heat-sealing temperature is 80 °C or less. The copolymer satisfies a predetermined relational expression on the basis of the strength obtained from the ultraviolet absorption detector and the refractive index detector, and the number-average molecular weight, in gel permeation chromatography measurements of said copolymer.

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Inventors:
BABA MASAHIRO (JP)
AKUTAGAWA SHINNOSUKE (JP)
UEYAMA SHINGO (JP)
KONISHI HIROYUKI (JP)
Application Number:
PCT/JP2022/047468
Publication Date:
July 06, 2023
Filing Date:
December 22, 2022
Export Citation:
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Assignee:
KURARAY CO (JP)
International Classes:
C08F216/06; C08F8/12; C08F210/00
Domestic Patent References:
WO2006011490A12006-02-02
WO2006011490A12006-02-02
Foreign References:
JPS4932657B11974-09-02
JP2015034262A2015-02-19
JP2002053727A2002-02-19
JPS4932657B11974-09-02
JP2015034262A2015-02-19
JP2002053727A2002-02-19
Attorney, Agent or Firm:
NAKAMICHI, Yoshihiro (JP)
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