Hydroperoxide catalyzed free radical polymerization of vinyl aromatic monomers
US5115055A · kind A · utility
16Cited by
2References
4Claims
0Family size
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Key dates
| Filing date | Oct 29, 1991 |
| Grant date | May 19, 1992 |
| Priority date | — |
| Expiry date | Oct 29, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F12/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
High molecular weight polymers of vinyl aromatic monomers are prepared by organic hydroperoxide initiated free radical polymerization in the presence of 5 to 5000 ppm of a soluble organic acid having pKa from 0.5 to 2.5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.