Transparent impact resin and process for the preparation thereof
US4409369A · kind A · utility
16Cited by
7References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 21, 1981 |
| Grant date | Oct 11, 1983 |
| Priority date | — |
| Expiry date | May 21, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F287/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Styrene is polymerized employing a free radical initiator in the presence of a styrene-diene block copolymer of the AB or AB (BA).sub.n configuration to provide a polymer containing from about 15 to 30 weight percent diene units polymerized therein. The polymer contains polydiene domains in the form of rods and spheres having diameters of 50 nanometers or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.