Polypropylene blends and films prepared therewith
US6268062A · kind A · utility
52Cited by
13References
29Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 6, 1998 |
| Grant date | Jul 31, 2001 |
| Priority date | — |
| Expiry date | Apr 6, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Disclosed are blends of polypropylene prepared with a Ziegler-Natta catalyst system and polypropylene prepared with a metallocene catalyst system. These blends are found to have a unique combination of properties as compared to the properties of either polymer alone. Particularly improved are the tensile properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.