Method of preparing lactone block copolymers
US4360643A · kind A · utility
10Cited by
11References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 16, 1980 |
| Grant date | Nov 23, 1982 |
| Priority date | — |
| Expiry date | Jul 16, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L67/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method is provided for producing block copolymers of a lactone and a conjugated diene and/or a monovinylarene, in which the lactone polymerization step is terminated by addition of water, a mineral acid or a carboxylic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.