Liquid oligomers containing acrylate unsaturation

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...

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522183, 522181, 528306, 560178, 560183, 560205, C07C 6972, C07C 69587, C08F 250

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active

060254106

ABSTRACT:
The liquid oligomeric compositions of this invention are made by the Michael addition reaction of acetoacetate functional donor compounds with multifunctional acrylate receptor compounds where the equivalent ratios of multifunctional acrylate to acetoacetate vary from .gtoreq.1:1 to .gtoreq.13.2:1 depending on the functionality of both multifunctional acrylate and acetoacetate. Unuseable gelled or solid oligomer products occur below the claimed ranges. The liquid oligomers of this invention are further crosslinked to make coatings, laminates and adhesives.

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Michael addition polymers from 1,4 and 1,3 benzenedimethanol diacetoacetates and tripropylene glycol diacrylate, by David L. Trumbo, The Glidden Company, 16651 Sprague Road, Strongsville, Ohio 44136, USA, Polymer Bulletin No. 26, 265-270 (1991).
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