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Title:
POLY(VINYL ACETAL)-BASED RESIN, AND FILM
Document Type and Number:
WIPO Patent Application WO/2022/265079
Kind Code:
A1
Abstract:
The present invention relates to: a poly(vinyl acetal)-based resin having a number-average molecular weight of 100,000 or higher and a 140°C flow viscosity of 250×104 poises or less; and a film including the poly(vinyl acetal)-based resin.　The present invention can provide a poly(vinyl acetal)-based resin having satisfactory processability while retaining excellent heat resistance and a film including the poly(vinyl acetal)-based resin.

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Inventors:
TERAGUCHI YUMIKO (JP)
OOHIGASHI YUJI (JP)
ISHIKAWA YUKI (JP)
KAMOSHIDA NAOKI (JP)
Application Number:
PCT/JP2022/024197
Publication Date:
December 22, 2022
Filing Date:
June 16, 2022
Export Citation:
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Assignee:
SEKISUI CHEMICAL CO LTD (JP)
International Classes:
C08F8/28; B32B17/10; B32B27/30; C03C27/12; C08F16/06
Domestic Patent References:
WO2021215455A12021-10-28
WO2021215456A12021-10-28
Foreign References:
JP2014136796A2014-07-28
JPH0710923A1995-01-13
JPH06263521A1994-09-20
JPH054841A1993-01-14
Attorney, Agent or Firm:
TAGUCHI, Masahiro et al. (JP)
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