Polyolefin composition comprising propylene polymer and ethylene/anhydride/ester copolymer
US4619969A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 5, 1985 |
| Grant date | Oct 28, 1986 |
| Priority date | — |
| Expiry date | Nov 5, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polypropylene-based resin composition comprising (A) from 60 to 99 parts by weight of a polypropylene-based resin and (B) from 1 to 40 parts by weight of an ethylene copolymer composed of from 25 to 98.5% by weight of ethylene, from 0.5 to 15% by weight of an unsaturated dicarboxylic acid anhydride and from 1 to 60% by weight of an unsaturated ester compound having from 4 to 12 carbon atoms and/or a modified copolymer obtained by ring opening addition reaction of the acid anhydride group of said ethylene copolymer with an alcohol having from 1 to 20 carbon atoms. The composition provides a molded particle having excellent finishing workability and improved mechanical properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.