Use of unsaturated sulfonic acid polymers as spray drying assist

Details Use of unsaturated sulfonic acid polymers as spray drying assist Use of unsaturated sulfonic acid polymers as spray drying assist

1994-06-06

1995-10-31

Buttner, David

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 3, 525212, 526287, B01D 118, C08L 4100, C04B 2604

Patent

active

054629780

ABSTRACT:
Polymers I comprising from 15 to 80% by weight of monomers of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each C.sub.1 -C.sub.3 -alkyl, R.sup.4 is C.sub.1 -C.sub.5 -alkyl and X is O or NH, and from 20 to 85% by weight of other monomers capable of undergoing free radical copolymerization are used as assistants in the spray drying of aqueous dispersions of polymers II which differ from the polymers I.

REFERENCES:
patent: 3043790 (1962-07-01), Sanders
patent: 3196122 (1965-07-01), Evans
patent: 3239479 (1966-03-01), Roenicke et al.
patent: 3965032 (1976-06-01), Gibbs et al.
patent: 4340510 (1982-07-01), Howanietz et al.
patent: 5145625 (1992-09-01), Dotzauer et al.

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