Aqueous sulfomethylated melamine gel-forming compositions

Details Aqueous sulfomethylated melamine gel-forming compositions Aqueous sulfomethylated melamine gel-forming compositions

1985-06-20

1988-09-20

Ivy, C. Warren

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524503, 524512, 524843, 525 58, 525158, 528250, 528254, 166295, C08G 1412, E21B 33138

Patent

active

047726415

ABSTRACT:
Aqueous gel-forming compositions are prepared by reacting for 1-10 hours at 50.degree.-95.degree. C., melamine, formaldehyde and a sulfurous acid salt with the optional addition of a gel-modifying agent and/or a gelling agent which is added to the composition immediately prior to use.

REFERENCES:
patent: 2407599 (1946-03-01), Auten et al.
patent: 2562866 (1951-10-01), Kartz et al.
patent: 2603623 (1952-07-01), Bonzagni et al.
patent: 2730497 (1956-01-01), Suen et al.
patent: 2730516 (1956-01-01), Suen et al.
patent: 4405690 (1983-09-01), Brooker
patent: 4430469 (1984-02-01), Burge
patent: 4473119 (1984-09-01), Falk

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