ISSN 0005-2531 (Print) ISSN 2522-1841 (Online)
RADICAL CYCLOCOPOLYMERIZATION OF ALLYLCINNAMATE WITH trans-STILBENE
L.V.Medyakova, S.A.Rzaeva, A.Ch.Abbasova, S.M.Mamedova

 

During investigation of radical copolymerization of allyl ether of trans-cinnamic acid with trans-stilbene the formation of macromolecules with high content of cyclic g-lactones and unsaturated links in chain has been established. It has been shown that the formation of cycles takes place as a result of attack of allyl bond by cinnamic radical. The chain growth takes place on mechanism and intra- and intermolecular growth with formation of macromolecules of the alternating structure. The alternation of links of comonomers has been confirmed by copolymerization constant value and extreme character of kinetic curves in composition of the initial reaction mixture 50:50 (mol %). An availability of dilution effect, i.e. a displacement of position wmax on X-axis indicates to the mixed mechanism of alternation in which both free monomers and intermolecular p–p-complexes take part. Some lithographic characteristics of the synthesized polyfunctional copolymers of cyclolinear structure have been determined.

 

Keywords : radical cyclocopolymerization, allylcinnamate, trans-stilbene, alternating, lactones, relative activities, copolymerization constants
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THE LAST NUMBER OF THE JOURNAL
№3 2022
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