Process for curing thermosetting resins using sulfur dioxide con

Details Process for curing thermosetting resins using sulfur dioxide con Process for curing thermosetting resins using sulfur dioxide con

1982-01-20

1983-07-26

Schain, Howard E.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

26433122, 525505, 525509, 525518, C08G 828, C08G 830, C08G 832, C08G 1240

Patent

active

043955207

ABSTRACT:
Latent catalysts comprising certain sulfur dioxide containing compounds such as bubadiene sulfone are used in the cure of thermosetting resins which are curable by an acid catalyst.

REFERENCES:
patent: 2677675 (1954-05-01), Nagy
patent: 2687397 (1954-08-01), Dannenberg
patent: 2704750 (1955-03-01), Whitehill et al.
patent: 3317474 (1967-05-01), Jones, Jr.
patent: 3485797 (1969-12-01), Robins
patent: 4083830 (1978-04-01), Gallacher
patent: 4273669 (1981-06-01), Piesch et al.

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