Add time:09/10/2019         Source:sciencedirect.com

The copolymerization of tri-n-butylstannylallyl maleate and the monoallyl ester of maleic acid with styrene has been studied. It has been shown that, in the monomer systems investigated, alternating copolymerization occurs and the equimolar composition of the copolymers formed does not depend upon the initial monomer ratio. PMR has been used to determine the equilibrium constants for the formation of the charge-transfer complexes. It has been established that the stability of the complexes has a substantial effect on the penta-coordinated state of the tin atom. The quantitative contributions made by the various types of monomeric complexes to the radical chain-propagation reactions have been found.

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