Block copolymer foam
US11384214B2 · kind B2 · utility
0Cited by
7References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2018 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | Jun 18, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2379/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a noncrosslinked block copolymer foam, comprising at least one rigid block and at least one flexible block, in which the copolymer includes at least one carboxylic acid chain end blocked with a polycarbodiimide. The invention also relates to a process for manufacturing this foam and to articles manufactured therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.