Process for preparing highly branched macromolecule polymers

Details Process for preparing highly branched macromolecule polymers Process for preparing highly branched macromolecule polymers

1993-09-22

1994-11-08

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528272, 528292, 528298, 528302, 528303, 528306, 528308, C08G 6300

Patent

active

053628438

ABSTRACT:
The present invention provides novel one-step processes for preparing highly branched macromolecule polymers that have highly controlled molecular architectures. The process comprise the reaction of a branching monomer such as a substituted phenyl compound having the formula: ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 are defined herein, with a second monomer (a core monomer) such as a dihydric phenol for a sufficient period of time and at a sufficient temperature to directly produce the highly branched polymer, characterized by having a single core, in a single processing step.

REFERENCES:
patent: 5041516 (1991-08-01), Frechet et al.
patent: 5136014 (1992-08-01), Figuly
patent: 5183862 (1993-02-01), Figuly
patent: 5196502 (1993-03-01), Turner et al.
patent: 5225522 (1993-07-01), Turner et al.
patent: 5227467 (1993-07-01), Durette et al.

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