Ring-opening hydrogenated copolymer and process for producing the same
US5580934A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1990 |
| Grant date | Dec 3, 1996 |
| Priority date | — |
| Expiry date | Jun 7, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G61/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
There are disclosed a polycyclic norbornene or its derivative hydrogenated copolymer which contains PA1 a repeating unit represented by the following formula [I] or the alkyl-substituted derivative thereof (A), PA1 a repeating unit represented by the following formula [II] or the alkyl-substituted derivative thereof (B) and, as desired, PA1 5-85% by mole of at least one repeating unit (C) selected from a repeating unit represented by the following formula [III], the alkyl-substituted derivative thereof, a repeating unit represented by the following formula [IV], the alkyl-substituted derivative and the alkylidene-substituted derivative thereof, and a process for producing the polycyclic norbornene or its derivative ring-opening hydrogenated copolymer ##STR1## wherein ------ represents either a single bond or a double bond.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.