Title:
ACID-MODIFIED POLYESTER RESIN, LAMINATE AND BIODEGRADABLE ADHESIVE
Document Type and Number:
WIPO Patent Application WO/2023/190618
Kind Code:
A1
Abstract:
One aspect of the present invention relates to an acid-modified polyester resin in which an α,β-unsaturated carboxylic acid and/or an anhydride (X) thereof is grafted to an aliphatic-aromatic polyester resin containing an aliphatic diol unit, an aliphatic dicarboxylic acid unit and an aromatic dicarboxylic acid unit, wherein: the melt flow rate (at 210°C, 2160 g load) of the acid-modified polyester resin is 1.4-15 g/10 min; and the content of the α,β-unsaturated carboxylic acid and/or an anhydride (X) thereof is 0.0001-0.8 part by mass per 100 parts by mass of the aliphatic-aromatic polyester resin.
Inventors:
SAKA TAKAHIRO (JP)
TANIGUCHI MASAHIKO (JP)
TANIGUCHI MASAHIKO (JP)
Application Number:
PCT/JP2023/012697
Publication Date:
October 05, 2023
Filing Date:
March 28, 2023
Export Citation:
Assignee:
MITSUBISHI CHEM CORP (JP)
International Classes:
C08G63/91; B32B27/30; B32B27/36; C08L101/16
Domestic Patent References:
| WO2019049798A1 | 2019-03-14 |
Foreign References:
| JP2019038944A | 2019-03-14 | |||
| JP2014098111A | 2014-05-29 | |||
| JP2019157005A | 2019-09-19 | |||
| JP2019181943A | 2019-10-24 |
Attorney, Agent or Firm:
EIKOH, P.C. (JP)
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