Additive mixtures for styrenic polymers
US8569405B2 · kind B2 · utility
0Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 19, 2009 |
| Grant date | Oct 29, 2013 |
| Priority date | — |
| Expiry date | Jun 15, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2425/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention describes a process for reducing the amount of saturated or unsaturated monomers and oligomers during production and processing of styrenic polymers comprising a mixture of at least two components selected from the group consisting of a) phenol thioethers, b) phenol acrylates, c) 3-arylbenzofuran-2-ones and d) 1,1-di-substituted ethylenes or tri-substituted ethylenes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.