Fixed bed hydrogenation of low molecular weight polydiene polyme

Details Fixed bed hydrogenation of low molecular weight polydiene polyme Fixed bed hydrogenation of low molecular weight polydiene polyme

1993-06-18

1995-01-03

Pal, Asok

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253328, 5253329, 5253331, 5253332, 525338, 585255, 585273, 585277, 502327, C08F 804, C07C 502, B01J 2340

Patent

active

053787676

ABSTRACT:
A method for hydrogenating unsaturated low molecular weight polymers, preferably polydiene monool, diol and polyol polymers, which comprises contacting the polymers under hydrogenation conditions with hydrogen in the presence of a fixed bed heterogeneous catalyst which is comprised of platinum, palladium or a mixture of the two supported on an alpha alumina support.

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