Polyol(allyl carbonate) compositions and polymerizates prepared

Details Polyol(allyl carbonate) compositions and polymerizates prepared Polyol(allyl carbonate) compositions and polymerizates prepared

1988-02-26

1991-05-21

Page, Thurman K.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

528501, 526314, C08F 432, C08F 1824

Patent

active

050176668

ABSTRACT:
Polyol (allyl carbonate), e.g., diethylene glycol bis(allyl carbonate), are polymerized in solution, i.e., in an organic solvent, until from about 20 to 50 percent of the allylic carbon-carbon linkages are consumed. The solvent is then removed yielding a product that is a gel-free, syrupy viscous liquid of unpolymerized monomer and polymer. This liquid polymer can be polymerized to a hard, transparent material with less shrinkage. Also described is the addition of mono- or polyfunctional acrylates to the liquid polymer to product a polymerizable mixture that can be cured quickly with the addition of a free-radical initiator.

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