Abstract
The kinetics of the free-radical copolymerization of diethyl α-phenylvinyl phosphate (DEPVP, M2) and maleic anhydride (MAnh, M1) in chloroform were studied using benzoyl peroxide as an initiator. The generalized model was successfully applied to determine the reactivity ratios k1c/k12 and k2c/k21 from the change in copolymerization rate with monomer feed at a constant total monomer concentration. The copolymerization was found to proceed via two pathways, one involving formation of a charge-transfer complex between the two monomers and the other involving the two free monomers. A kinetic analysis indicated that the rate of formation of the MAnh free radical, k1ck21, was slightly slower than that of the DEPVP free radical, k2ck12, and that the copolymerization proceeded predominantly through participation of the free monomers rather than the charge-transfer complex. General kinetic studies at various initiator concentrations showed the overall copolymerization rate to depend on an order of 0.49 with respect to the initiator concentration. The overall activation energy for this copolymerization was found to be 33.5 kJ mol−1.
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Jin, JI., Shim, HK. Alternating Copolymerization of Diethyl α-Phenylvinyl Phosphate and Maleic Anhydride. Polym J 15, 683–687 (1983). https://doi.org/10.1295/polymj.15.683
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DOI: https://doi.org/10.1295/polymj.15.683