Poly(ethynylphenyl)acetylene, its copolymer and composition thereof
US4667006A · kind A · utility
6Cited by
0References
10Claims
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Assignee
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Key dates
| Filing date | Aug 25, 1986 |
| Grant date | May 19, 1987 |
| Priority date | — |
| Expiry date | Aug 25, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2800/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A linear polymer having a recurring unit represented by the formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each independently is a hydrogen atom, a C.sub.1-10 alkyl group, a C.sub.6-10 cycloalkyl group, an aryl group, or a halogen atom and the ethynyl group is in either meta position or para position to the main polymer chain; and a weight-average molecular weight of 1,000 to 1,000,000.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.