Cis-enyne aromatic and aromatic heterocyclic polymers
US4417039A · kind A · utility
23Cited by
9References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 19, 1982 |
| Grant date | Nov 22, 1983 |
| Priority date | — |
| Expiry date | Jul 19, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G61/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Aromatic and aromatic heterocyclic enyne polymers are prepared by reacting a di-.beta.-bromovinylbenzene and a diacetylenic compound. The polymers have relatively low glass transition temperatures for fabrication, and after heat treatment exhibit high glass transition temperatures, as well as low solvent susceptibility. Also provided is a new composition of matter 1,4-bis-(cis-.beta.-bromovinyl)benzene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.