Blends of polypropylene and vinylaromatic/.alpha.-methylstyrene copolymers
US4704431A · kind A · utility
9Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 1986 |
| Grant date | Nov 3, 1987 |
| Priority date | — |
| Expiry date | Apr 4, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/931
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polymer resin comprising a blend of polypropylene, a copolymer of a vinylaromatic monomer and .alpha.-methylstyrene prepared by anionic polymerization at a temperature above 61.degree. C. and a monovinylidene aromatic polymer grafted .alpha.-olefin copolymer compatibilizing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.