Isobutylene polymer having unsaturated group and preparation thereof
US5290873A · kind A · utility
51Cited by
4References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 15, 1991 |
| Grant date | Mar 1, 1994 |
| Priority date | — |
| Expiry date | Apr 15, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/918
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An isobutylene polymer having an unsaturated group and comprising more than one unit per molecule on the average of the formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are the same or different and each a hydrogen atom or a C.sub.1 -C.sub.8 alkyl group, R' and R" are the same or different and each a hydrogen atom, a methyl group or an ethyl group, and Q is a C.sub.1 -C.sub.30 divalent organic group, which provides a cured material having improved weather resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.