Copolymer blends
US5003005A · kind A · utility
3Cited by
11References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 1989 |
| Grant date | Mar 26, 1991 |
| Priority date | — |
| Expiry date | May 19, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Novel copolymer blends comprising (a) a copolymer of alkenyl aromatic monomers containing from about 10 to about 70 percent by weight of an isopropenyl aromatic monomer, (b) a block copolymer of polystyrene blocks and conjugated diene blocks containing from about 15 to about 50 weight percent conjugated diene, (c) a block copolymer of polystyrene and conjugated diene blocks containing from about 55 to about 80 weight percent conjugated diene, and (d) 15 to 50 weight percent of a semicrystalline polyolefin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.