Method for preventing gelation of thermosetting resins in waste

Details Method for preventing gelation of thermosetting resins in waste Method for preventing gelation of thermosetting resins in waste

1974-12-31

1977-02-01

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 59, C02B 118

Patent

active

040060810

ABSTRACT:
A method for preventing the gelation of thermosetting resin glues or varnishes in waste wash water characterized by mixing urea in to the waste water which principally contains resorcinol resin obtained by reacting resorcinol with formaldehyde or phenol modified resorcinol resin obtained by reacting phenol, resorcinol and formaldehyde.

REFERENCES:
patent: 2502511 (1950-04-01), Davies et al.
patent: 2549372 (1951-04-01), Fetterly
patent: 3696622 (1972-10-01), Tohma et al.
patent: 3869387 (1975-03-01), Vargiu et al.
patent: 3911046 (1975-10-01), Ackermann et al.
Haskell, "Handling Phenolic Resin etc.," Forest Products Journal, Sept. 1971, pp. 64-69.

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