Low density copolymer composition of two ethylene-.alpha.-olefin copolymers
US4438238A · kind A · utility
142Cited by
4References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 1982 |
| Grant date | Mar 20, 1984 |
| Priority date | — |
| Expiry date | Jan 25, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24992
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An ethylene-.alpha.-olefin copolymer composition comprising two ethylene-.alpha.-olefin copolymers which are different in density, intrinsic viscosity and the number of short chain branching per 1000 carbon atoms. Extrusion processed materials, injection molded materials and films obtained from said composition are excellent in strength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.