Copolymers of 2-phenyl allyl alcohol and butadiene, terpolymers thereof with styrene, and their preparation
Abstract
Abstract Copolymers are obtained consisting essentially of 2-phenyl allyl alcohol and butadiene in molar ratio of about 1:1 to 1:22, the major portion of the butadiene in the copolymer having the trans1-4-structure. Terpolymers are obtained consisting essentially of 2-phenyl allyl alcohol, butadiene and styrene in molar ratios of about 1:2-3:1-4. The copolymers vary from viscous oily copolymers to firm, rubbery copolymers. The terpolymers are rubbery and can be used as synthetic rubbers. The copolymers are useful to prepare crosslinkable coatings, plasticizers and adhesives. High yields, often quantitative, of the copolymers are obtained with an azo catalyst. Water soluble persulfate catalysts and azo catalysts in aqueous medium give good yields of the terpolymers.
Inventors
- 👤 Marc O Thienot
- 👤 Joseph A Verdol
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-29 | 1976-02-28 | 1976-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-29 | 1980-02-28 | 1980-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-29 | 1984-02-28 | 1984-08-29 | $7700.00 | Window Closed / Lapsed |