Title:
BLOCK COPOLYMER
Document Type and Number:
WIPO Patent Application WO/2023/243648
Kind Code:
A1
Abstract:
A block copolymer that contains a block structural unit (A) having a polylactic acid unit (a) as a main component, and a block structural unit (B) having a polyester unit (b) as a main component, the polyester unit (b) containing a unit derived from an aliphatic diol (b1) and an aliphatic dicarboxylic acid (b2), the aliphatic diol (b1) being a C5-9 aliphatic diol that has an alkyl group as a side chain, the carbon number of the aliphatic dicarboxylic acid (b2) being 5-12, and the number-average molecular weight being greater than 10,000.
Inventors:
TAKAI JUNYA (JP)
FUKUHARA TADAHITO (JP)
SAKON KAZUKI (JP)
KONISHI HIROYUKI (JP)
FUKUHARA TADAHITO (JP)
SAKON KAZUKI (JP)
KONISHI HIROYUKI (JP)
Application Number:
PCT/JP2023/022009
Publication Date:
December 21, 2023
Filing Date:
June 14, 2023
Export Citation:
Assignee:
KURARAY CO (JP)
International Classes:
C08G63/60
Foreign References:
| JP2013160914A | 2013-08-19 | |||
| JP2002326662A | 2002-11-12 | |||
| JP2011153275A | 2011-08-11 | |||
| JPH09100344A | 1997-04-15 | |||
| JP2021169586A | 2021-10-28 | |||
| JP2010150384A | 2010-07-08 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
Download PDF:
Previous Patent: PAPER-BASED MATERIAL, LID, CONTAINER EQUIPPED WITH LID, AND COMBINATION OF LID AND CONTAINER
Next Patent: BLOCK COPOLYMER
Next Patent: BLOCK COPOLYMER