Blends of polystyrene/polypropylene grafted polymers and elastomeric block copolymers
US5461111A · kind A · utility
19Cited by
12References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 1994 |
| Grant date | Oct 24, 1995 |
| Priority date | — |
| Expiry date | Aug 31, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L53/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Compositions comprising a polypropylene grafted with polystyrene and a selectively hydrogenated monoalkenyl aromatic/conjugated diene block copolymer have improved melt viscosity and toughness when the block copolymer component is designed to have weak monoalkenyl aromatic domains.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.