Direct synthesis by living cationic polymerization of nitrogen-c

Details Direct synthesis by living cationic polymerization of nitrogen-c Direct synthesis by living cationic polymerization of nitrogen-c

1992-12-17

1995-08-22

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526346, 5263487, C08F 404, C08F11208, C08F11010

Patent

active

054441358

ABSTRACT:
A method is provided for the direct synthesis by living cationic polymerization of novel polymeric materials functionalized with desirable nitrogen-containing functional groups such as terminal azido, cyano, carbonylamino, cyanato, thiocyanato or thiocarbonylamino groups. Polymerization and functionalization occur in a substantially simultaneous manner. All necessary reactants for the functionalization are present when polymerization is initiated. The nitrogen-containing functional group is provided as a part of a molecule having a release moiety which is preferably resonance stabilized or a tertiary alkyl type and which acts to aid the nitrogen-containing species in functioning as a leaving group.

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