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Title:
POLYESTER AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/210364
Kind Code:
A1
Abstract:
Provided is a polyester resin which has a high degree of freedom of design and which, even when having an increased molecular weight, can have excellent biodegradability. The polyester resin is a polyester comprising a hydroxylated dicarboxylic acid component and a diol component as comonomer components, wherein the diol component includes more than 50 mol% aliphatic diol component with respect to the diol component which is taken as 100 mol%. The number-average molecular weight is 3,000 or higher, and the total hydroxyl value is 1,000 eq/ton or greater.

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Inventors:
UCHIYAMA SHOKO (JP)
TANAKA HIDEKI (JP)
TAKASU AKINORI (JP)
Application Number:
PCT/JP2022/014439
Publication Date:
October 06, 2022
Filing Date:
March 25, 2022
Export Citation:
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Assignee:
TOYO BOSEKI (JP)
NAGOYA INST TECH (JP)
International Classes:
C09J11/06; C08G63/02; C08G63/78; C08L67/00; C08L101/16; C09D167/00; C09J167/00
Foreign References:
JPH05320326A1993-12-03
JPH06340733A1994-12-13
JP2005336443A2005-12-08
JPH06340727A1994-12-13
JPH0713129B21995-02-15
JP4368311B22009-11-18
JP4325303B22009-09-02
JP2021057766A2021-04-08
Attorney, Agent or Firm:
USFI PATENT ATTORNEYS INTERNATIONAL OFFICE (JP)
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