Cyclic perfluoroaliphatic-disulfonic acid anhydrides and sulfona

Details Cyclic perfluoroaliphatic-disulfonic acid anhydrides and sulfona Cyclic perfluoroaliphatic-disulfonic acid anhydrides and sulfona

1983-01-31

1983-12-27

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

564 85, 528 21, 528 23, 528 90, 528408, 526225, C08F 400, C07C14374

Patent

active

044231970

ABSTRACT:
Cyclic perfluoroaliphaticdisulfonic acid anhydrides, sulfonamide derivatives thereof, a process for making the same, curable compositions containing cyclic perfluoroaliphaticdisulfonic acid anhydrides or sulfonamide derivatives thereof and cationically-sensitive monomers, and a process for using cyclic perfluoroaliphaticdisulfonic acid anhydrides or sulfonamide derivatives thereof as catalysts for the cure of cationically-sensitive monomers.

REFERENCES:
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patent: 3347676 (1967-10-01), Cripps
patent: 3586616 (1971-06-01), Kropp
patent: 3803112 (1974-04-01), Engelhardt et al.
patent: 3842019 (1974-10-01), Kropp
patent: 4031036 (1977-06-01), Koshor
patent: 4080391 (1978-03-01), Tsumura et al.
patent: 4247674 (1981-06-01), Koshor et al.
patent: 4387222 (1973-06-01), Koshor
Modern Paints & Coatings, Oct. 1980, pp. 88-92.
Chemical Reviews 77, No. 1, 69-82 Howells et al.
Multi-Sulfur and Sulfur and Oxygen Five and Six Membered Heterocycles 1966 Interscience, John Wiley, Journal of Org. Chem. vol. 44, No. 2, 1979, pp. 343-345.

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