Inventors:
Leslie E. Wallace - Midland MI
Leo F. Rokosz - Linwood MI
Charles L. Stacy - Midland MI
Assignee:
The Dow Chemical Company - Midland MI
International Classification:
C08F 200
Abstract:
The specification discloses a method for improving color purity in polymers by passing the monomer stream first through an alkali metal aluminosilicate molecular sieve and then through an activated alumina bed prior to polymerization.