Catalyst for curing resins

Details Catalyst for curing resins Catalyst for curing resins

1978-11-17

1979-12-11

Phynes, Lucille M.

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

Synthetic resins

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

260 292R, 260 292N, 260 292UA, 260 294UA, 260 37R, 260 37N, 526270, 528242, 528249, 528259, 525509, C08G 230, C08G 400

Patent

active

041784294

ABSTRACT:
Process and catalyst for curing resins (e.g. furans) comprising concentrated aqueous solutions of perchloric acid (about 45-72%) and the cured resins obtained using said catalyst. Improved catalyst combinations for curing resins in a process employing same and the cured resin produced thereby comprising concentrated perchloric acid, a small amount of phosphoric acid and/or a small amount of boric acid.

REFERENCES:
patent: 2670339 (1952-10-01), Edmunds
patent: 2813846 (1957-11-01), Farber et al.
patent: 3043804 (1962-07-01), Delmonte
patent: 3455860 (1969-07-01), Valentine
patent: 3525379 (1970-08-01), Johnson et al.
patent: 3594345 (1971-07-01), Brown et al.
patent: 3597386 (1971-08-01), deBrabander
patent: 3639654 (1972-02-01), Robins
patent: 3644274 (1972-02-01), Maurukas
patent: 3681286 (1972-08-01), Brown et al.
patent: 3700604 (1972-10-01), Metil
patent: 4017461 (1977-04-01), Dunlop et al.

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