Defoaming compositions for ABS latices

Details Defoaming compositions for ABS latices Defoaming compositions for ABS latices

1994-12-07

1996-01-23

Hoke, Veronica P.

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

Synthetic resins

Removing and recycling removed material from an ongoing...

252321, 252358, 25217421, 523328, 524303, 524742, 524750, 524751, 524821, 524828, C08K 536, B01D 1904

Patent

active

054865832

ABSTRACT:
A mixture which is suitable as a defoamer, especially for ABS latices, comprising (A) a C.sub.10 -C.sub.20 alcohol, (B) a mineral oil, (C) an ester from a thiodicarboxylic acid with 4 to 8 carbon atoms and a C.sub.10 -C.sub.20 alcohol and (D) a non-ionic emulsifier and a process for removing residual monomers from ABS latices using these defoaming mixtures.

REFERENCES:
patent: 3657136 (1972-04-01), Lieberman et al.
patent: 4193903 (1980-03-01), Giddings et al.
patent: 4631145 (1986-12-01), Zychal
patent: 5223177 (1993-06-01), Topfl et al.

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