Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1996-10-18
1999-10-05
Reddick, Judy M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524 3, 524458, 524460, 524521, 524522, 524523, 525201, 525212, 525217, 525218, 528480, 528481, B01D 118, C08L 4100
Patent
active
059625546
ABSTRACT:
Polymers composed of at least >80% by weight of monomers of the formula ##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 0 or NH,
are used as assistants in the drying of aqueous polymer dispersions and, in the case of a weight average relative molecular weight of from 5000 to 35,000, additionally as protective colloid for the preparation of aqueous polymer dispersions by the free radical aqueous emulsion polymerization method.
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patent: 3965032 (1976-06-01), Gibbs et al.
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patent: 5025040 (1991-06-01), Crema et al.
patent: 5462978 (1995-10-01), Penzel et al.
patent: 5604272 (1997-02-01), Penzel et al.
Baumstark Roland
Machtle Walter
Pakusch Joachim
Schuler Bernhard
BASF - Aktiengesellschaft
Reddick Judy M.
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