Crosslinked blends of polyphenylene sulfide and polyphenylsulfone for downhole applications, methods of manufacture, and uses thereof
US8604157B2 · kind B2 · utility
12Cited by
5References
43Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 23, 2011 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Mar 1, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L79/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A composition includes a crosslinked product of a polyphenylene sulfide and a polyphenylsulfone. A method for the manufacture of the crosslinked product of a polyphenylene sulfide and a polyphenylsulfone includes heating the polyphenylene sulfide and the polyphenylsulfone in presence of a crosslinking agent at a temperature and for a time effective to form the crosslinked product of polyphenylene sulfide and polyphenylsulfone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.