Ultrafiltration processes for the recovery of polymeric latices

Details Ultrafiltration processes for the recovery of polymeric latices Ultrafiltration processes for the recovery of polymeric latices

1992-07-15

1994-08-30

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

210 97, 210130, 210137, 2101952, 2102572, 210637, 524167, B01D 2124, B01D 6308

Patent

active

053428633

ABSTRACT:
Polymer is recovered by ultrafiltration from a whitewater waste stream generated during the production of a polymer latex. The whitewater stream is circulated through an ultrafiltration system in laminar flow, under conditions of shear insufficient to destabilize the whitewater emulsion, and the recovered polymer is in the form of an emulsion which may be blended at significant levels into the original polymer latex without degrading its performance properties.

REFERENCES:
patent: 3956114 (1976-05-01), DelPico et al.
patent: 4160726 (1979-07-01), DelPico
patent: 4986918 (1991-01-01), Breslau et al.
Desalination vol. 77, No. 1/3, 1990 Amsterdam.

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