Crosslinking control in high impact polystyrene manufacturing process
US9193839B2 · kind B2 · utility
2Cited by
10References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2014 |
| Grant date | Nov 24, 2015 |
| Priority date | — |
| Expiry date | Mar 14, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2325/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The method includes providing a high impact polystyrene (HIPS) reaction system, wherein the HIPS reaction system has a devolitalizer downstream of a reactor and injecting a retarding agent into the HIPS reaction system prior to the devolitalizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.