Thermoplastic olefin compositions
US8022142B2 · kind B2 · utility
14Cited by
73References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2008 |
| Grant date | Sep 20, 2011 |
| Priority date | — |
| Expiry date | Jul 4, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2314/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An in-reactor polymer blend including (a) a propylene-containing first polymer; and (b) propylene-containing second polymer having a different crystallinity from the first polymer. The polymer blend has a melting temperature, Tm, of at least 135° C., a melt flow rate of at least 70 dg/min, a tensile strength of at least 8 MPa, an elongation at break of at least 300%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.