Sequentially prepared thermoplastic elastomer and method of preparing same
US4491652A · kind A · utility
41Cited by
21References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 1982 |
| Grant date | Jan 1, 1985 |
| Priority date | — |
| Expiry date | Apr 29, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F297/083
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Thermoplastic elastomeric sequentially prepared propylene and (ethylene-propylene) polymer, or propylene, (ethylene-propylene) and propylene polymer, made in solvent medium with catalyst system based on (a) complex of titanium tetrachloride and alkyl benzoate or a phenol, supported on magnesium dihalide and (b) trialkyl aluminum modified by electron rich substituted benzoate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.