Curable fluoroelastomers
US6664338B2 · kind B2 · utility
4Cited by
28References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 23, 2002 |
| Grant date | Dec 16, 2003 |
| Priority date | — |
| Expiry date | Apr 23, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/0025
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Fluoroelastomers curable by ionic route based on vinylidene fluoride (VDF) comprising:a) 100 parts by weight of fluoroelastomer based on vinylidene fluoride (VDF) substantially polar end group free;b) from 0.05 to 5 phr of accelerant;c) from 0.5 to 15 phr of curing agent;d) from 1 to 40 phr of one or more inorganic acid acceptors, preferably bivalent metal oxides;e) from 0 to 2.5 phr, preferably from 0 to 1.5 phr of one or more basic compounds preferably hydroxides of bivalent metals or of weak acid metal salts;f) from 0 to 80 phr of reinforcing fillers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.