Process for the production of pulverulent, pourable elastomer-fi

Details Process for the production of pulverulent, pourable elastomer-fi Process for the production of pulverulent, pourable elastomer-fi

1977-11-30

1979-02-06

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 237A, 260 297W, 260 4247, C08L 128

Patent

active

041383753

ABSTRACT:
Pourable elastomer-filler mixtures, optionally containing plasticizer oil, are prepared by an improved process, the process comprising mixing an aqueous emulsion of an elastomer solution with an aqueous dispersion of a filler(s); introducing this mixture into water containing a precipitant(s); precipitating the elastomer-filler mixture while simultaneously removing the elastomer solvent by distillation; separating the thus-precipitated elastomer-filler mixture from the water; and drying the elastomer mixture under constant agitation; and the improvement comprising:

REFERENCES:
patent: 3285869 (1966-11-01), Ronay et al.
patent: 3846365 (1974-11-01), Berg et al.
patent: 3895035 (1975-07-01), Berg et al.
patent: 3920604 (1975-11-01), Berg et al.
patent: 3922240 (1975-11-01), Berg et al.
patent: 3929707 (1975-12-01), Berg et al.
patent: 3945978 (1976-03-01), Berg et al.

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