Process for preparing hyperbranched polymers

Details Process for preparing hyperbranched polymers Process for preparing hyperbranched polymers

1995-08-18

1997-01-07

Krass, Frederick

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

Synthetic resins

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

525425, 525427, 525432, 525437, 525441, 525444, 525450, 528271, 528272, 528292, 528298, 528302, 528303, 528306, 528308, 528176, 528183, 528184, 528193, 5147723, 528194, 528206, 528208, 528211, C08G 6300

Patent

active

055918093

ABSTRACT:
The present invention provides novel one-step processes for preparing highly branched macromolecule polymers that have highly controlled molecular architectures. The process comprises 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 core monomer and an end-capping monomer, such as a phenolic ester, for a sufficient period of time and at a sufficient temperature to directly produce the highly branched polymer, in a single processing step.

REFERENCES:
patent: 5136014 (1992-08-01), Figuly
patent: 5362843 (1994-11-01), Vicari et al.

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