Controlled functional density polyamines and method for preparat

Details Controlled functional density polyamines and method for preparat Controlled functional density polyamines and method for preparat

1993-12-20

1996-09-24

Mullis, Jeffrey

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

Synthetic resins

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

5253262, 5253319, C08F 200, C08F 800, C08F 832

Patent

active

055591930

ABSTRACT:
A process for preparing a polyamine containing a controlled amount of pendant tertiary amine groups and a controlled amount of pendant secondary amine or different tertiary amine groups and reactive carbon-carbon double bonds comprising reductively animating essentially all aldehyde groups in a polyaldehyde containing a controlled amount of pendant aldehyde groups and reactive carbon-carbon double bonds with a first secondary amine to produce a poly(tertiary amine), hydroformylating the poly(tertiary amine) having a controlled amount of pendant aldehyde groups, and reductively aminating the poly(tertiary amine) with pendant aldehyde groups with a primary amine or a second secondary amine. In another embodiment for preparing the polyamines of the invention, the polyaldehyde is reductively aminated with an amount of a first secondary amine to reductively aminate a controlled amount of the aldehyde groups and further reductively aminated with a primary amine or a second secondary amine to reductively aminate essentially all the remaining aldehyde groups.

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