Polypropylene composition and stretched film thereof
US5635557A · kind A · utility
3Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1994 |
| Grant date | Jun 3, 1997 |
| Priority date | — |
| Expiry date | Dec 21, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K9/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polypropylene composition which contains a polypropylene and one or more ingredients selected from an antistatic agent and a surface-treated or untreated fine powdery silica gives a propylene stretched film having a well-balanced transparency, slip property and blocking resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.