Color improvement of polymer compounds and products molded there

Details Color improvement of polymer compounds and products molded there Color improvement of polymer compounds and products molded there

1984-12-03

1986-07-22

Michl, Paul R.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C08F 200

Patent

active

046020721

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.

REFERENCES:
patent: 2230274 (1941-02-01), Soday
patent: 2444589 (1948-07-01), Blann
patent: 2555798 (1951-06-01), Kropa
patent: 3812088 (1974-05-01), Bennett
patent: 4061858 (1977-12-01), Wild et al.
patent: 4068053 (1978-01-01), Miserlis et al.
patent: 4243781 (1981-01-01), Kent, Jr.
Chemical Engineers' Handbook, Perry et al., 1973 pp. 16-2 to 16-5.

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