Grafted propylene copolymers and adhesive blends
US6716928B2 · kind B2 · utility
13Cited by
4References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 16, 2002 |
| Grant date | Apr 6, 2004 |
| Priority date | — |
| Expiry date | Aug 16, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Improved grafted propylene copolymer compositions and adhesive blends containing same are provided. The grafts are obtained by reacting propylene-ethylene impact copolymers having specified rubber contents and molecular weight distributions with ethylenically unsaturated acids or acid derivatives, such as maleic anhydride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.