Peroxyester preparation method
US7439384B2 · kind B2 · utility
0Cited by
3References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2002 |
| Grant date | Oct 21, 2008 |
| Priority date | — |
| Expiry date | Aug 15, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C407/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the preparation of a peroxyester which can be used in particular in polymerizations, such as the polymerization of vinyl chloride, or in the thermosetting of polyester resins.This process comprises the reaction of a hydroxyhydroperoxide salt with an acid halide or an acid anhydride under the following conditions: The invention also relates to an aqueous emulsion comprising the peroxyester obtained and to a polymerization process employing a radical initiator comprising this peroxyester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.