Crystalline syndiotactic copolymers from arylcyclobutene functional monomers and vinyl aromatic monomers
US5077367A · kind A · utility
8Cited by
5References
17Claims
0Family size
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Key dates
| Filing date | Jun 22, 1990 |
| Grant date | Dec 31, 1991 |
| Priority date | — |
| Expiry date | Jun 22, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/943
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Syndiotactic homopolymers of an arylcyclobutene functional monomer and syndiotactic copolymers of an arylcyclobutene functional monomer and a vinylaromatic monomer are prepared by conducting the polymerization in the presence of a catalytic amount of a suitable coordination catalyst such as the reaction product of polymethylaluminoxane and a transition metal compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.