Polyethylene emulsion containing resin binder compositions and p

Details Polyethylene emulsion containing resin binder compositions and p Polyethylene emulsion containing resin binder compositions and p

1975-04-11

1978-02-14

Pertilla, Theodore E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

164 21, 164 43, 252 495, 260 285A, 260 296XA, 260 38, 260DIG40, 428403, C08L 6110

Patent

active

040737616

ABSTRACT:
Compositions which are useful for binding solid, discrete particles are comprised of a liquid one-step phenol formaldehyde resin, a urea resin component such as urea formaldehyde, an accelerator selected from an acid and a salt of an acid, and an aqueous emulsion of polyethylene. The wet mixtures of the foregoing components exhibit improved flow characteristics in intricate molds. The wet mixtures are useful for molding foundry core compositions and consolidated wood compositions that have improved moisture resistance.

REFERENCES:
patent: 2923989 (1960-02-01), Thomson
patent: 2943068 (1960-06-01), Freedman
patent: 3059297 (1962-10-01), Dunn et al.
patent: 3184814 (1965-05-01), Brown
patent: 3306864 (1967-02-01), Lang
patent: 3666706 (1972-05-01), Hespers

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