Settled solids process for preparing polyester copolymer resin

Details Settled solids process for preparing polyester copolymer resin Settled solids process for preparing polyester copolymer resin

1996-11-06

1998-08-04

Acquah, Samuel A.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524800, 524801, 524845, 210767, 210770, 210806, C08L 6700

Patent

active

057894795

ABSTRACT:
The present invention relates to a process for preparing a dispersion of high grade polyester copolymer resin in water comprising 1) combining a crude polyester copolymer resin, having particles of various sizes, with water; 2) heating and agitating the resin/water mixture; 3) cooling the mixture; 4) allowing the mixture to stand undisturbed so that the largest, undispersed particles settle out as a sediment; 5) removing the sediment; and 6) continuously filtering the mixture, using progressively finer filters, leaving only the finest size particles. By using a plurality of filters and sequentially finer filter mesh sizes, a high grade product is attained.

REFERENCES:
patent: 3719030 (1973-03-01), Blankemeyer et al.
patent: 3970628 (1976-07-01), Connelly et al.
patent: 4480026 (1984-10-01), Ashcraft et al.
patent: 4518737 (1985-05-01), Traut
patent: 5342878 (1994-08-01), Das et al.
patent: 5430078 (1995-07-01), Hoppe-Hoeffler et al.
patent: 5461089 (1995-10-01), Handyside et al.
patent: 5464897 (1995-11-01), Das et al.
patent: 5468471 (1995-11-01), Zecchino et al.
patent: 5641829 (1997-06-01), Das et al.

Affiliated with

Also associated with

Rating

Settled solids process for preparing polyester copolymer resin does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Settled solids process for preparing polyester copolymer resin, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Settled solids process for preparing polyester copolymer resin will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1177994