Role of the complex of p-benzoquinone and styrene in their cationic copolymerization

• Published in: Polymer science USSR 1986, Vol.28 (7), p.1514-1518
• Main Authors: Nagiyev, A.Yu, Ragimov, A.V, Liogon'kii, B.I
• Format: Article
• Language: English
• ISSN: 0032-3950; 1878-268X
• DOI: 10.1016/0032-3950(86)90319-9

The formation of donor-acceptor complexes between styrene and p-benzoquinone has been investigated. The complexing constant amounting to 0·11 1./mole has been determined. It has been established that the complex of p-benzoquinone and styrene exerts a positive influence on the rate of polymerization of styrene and copolymerization of styrene with p-benzoquinone and shortens their induction period. From the results obtained and the kinetics of the process and also the structure in the end products, the authors propose a mechanism for the copolymerization of styrene and p-benzoquinone. It is shown that the complexes of p-benzoquinone and styrene regulate the composition and structure of the copolymers obtained. A link between the concentration of this complex, the MD and M of the products formed has been established which is explained by the participation of the complex in the act of chain transfer.