Talc containing polypropylene compositions
US6683125B1 · kind B1 · utility
14Cited by
12References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2000 |
| Grant date | Jan 27, 2004 |
| Priority date | — |
| Expiry date | Jun 13, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L53/005
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention concerns polymer compositions and a process for the preparation thereof. The compositions comprise a propylene polymer nucleated with a polymeric nucleating agent containing vinyl compound units, and 0.1 to 10% talc, calculated from the weight of the composition, to reduce shrinkage and to improve stiffness of the composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.