Staged copolymerization of polyesters

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525443, 525444, 528272, 528296, C08L 6702

Patent

active

044422695

ABSTRACT:
Polyester copolymers prepared by a non-equilibrium, two-stage process conducted without external catalysts have relatively high polydispersity and low viscosity, permitting the preparation of high solids paints.

REFERENCES:
patent: 3449467 (1969-06-01), Wynstra
patent: 4024111 (1977-05-01), Thomas
patent: 4275189 (1981-06-01), Danick

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