Copolymerization of unsaturated polyester resins

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Ethylenically unsaturated reactant admixed with either...

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Details

525 27, C08F 436, C08F21800, C08G 6338

Patent

active

043768415

ABSTRACT:
A process for copolymerizing unsaturated polyester resins is disclosed wherein said resin is copolymerized in the presence of a perketal and an acid or acid-releasing compound.

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patent: 3920591 (1975-11-01), Jacobs et al.
patent: 3945940 (1976-03-01), Leveskis
patent: 3950432 (1976-04-01), Sanchez
patent: 3980731 (1976-09-01), Willemse
patent: 4032596 (1977-06-01), Uffner et al.

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