Polymer transfer within a polymerization system

Details Polymer transfer within a polymerization system Polymer transfer within a polymerization system

2006-09-19

2006-09-19

Teskin, Fred (Department: 1713)

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

Synthetic resins

Treating polymer containing material or treating a solid...

C528S503000, C526S064000

Reexamination Certificate

active

07109290

ABSTRACT:
A method for transferring polymer within a polymerization system, comprising continuously withdrawing the polymer from the reactor and conveying the polymer from a reactor to a flash chamber via a pressure differential between the reactor and the flash chamber. A method for transferring polymer within a polymerization system comprising conveying the polymer from a reactor to a flash chamber via a pressure differential between the reactor and the flash chamber and purging interstitial gases from the polymer prior to conveying the polymer from the flash chamber to a purge column. A method for transferring polymer within a polymerization system comprising conveying the polymer from a flash chamber directly to a purge column via a pressure differential between the flash chamber and the purge column.

REFERENCES:
patent: 3772262 (1973-11-01), Clementi
patent: 3816383 (1974-06-01), Stotko
patent: 6838531 (2005-01-01), Reid et al.

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