Process for preparing polybutenes having enhanced reactivity using boron trifluoride catalysts (PT-647)
US4849572A · kind A · utility
67Cited by
4References
30Claims
0Family size
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Key dates
| Filing date | Dec 22, 1987 |
| Grant date | Jul 18, 1989 |
| Priority date | — |
| Expiry date | Dec 22, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B2275/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
There is provided a process for preparing polybutenes having enhanced reactivity using a BF.sub.3 catalyst and an immediate quench procedure and controlled polymerization times of 12 to 40 minutes in combination with isobutylene conversions of at least 70%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.