Hydrogenation of unsaturation in low molecular weight diene poly

Details Hydrogenation of unsaturation in low molecular weight diene poly Hydrogenation of unsaturation in low molecular weight diene poly

1991-10-31

1992-11-24

Lipman, Bernard

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, 525339, 525366, 525370, C08F 804

Patent

active

051662779

ABSTRACT:
Complete hydrogenation of residual unsaturation in low molecular weight polymers containing conjugated dienes is enhanced by removal of strong lithium bases by filtering or decanting the polymer solution prior to hydrogenation.

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