DEPOLYMERIZATION AND REUSE OF POLY(N-VINYLCAPROLACTAM) IN RAFT/MADIX POLYMERIZATION
نویسندگان
چکیده
Поли-N-винилкапролактам (ПВКЛ), синтезированный полимеризацией с обратимой передачей цепи по механизму присоединения–фрагментации применением ксантатов для макромолекулярного дизайна, подвергается деполимеризации при нагревании в присутствии низкомолекулярного агента передачи - [1-(О-этилксантил)этил]бензола. Показано, что после активность 1-(O-этилксантил)этильных групп сохраняется и полимеризация N-винилимидазола продукта ПВКЛ приводит к получению диблок-сополимера. Poly(N-vinylcaprolactam) (PVCL), synthesized by reversible additionfragmentation chain transfer/macromolecular design via the inter-change of xanthate (RAFT/MADIX), depolymerizes when heated in DMF presence 1-((O-ethylxanthyl)ethyl) benzene (EXEB) as a transfer agent. It was shown that after depolymerization, activity end-groups persists and polymerization N-vinylimidazole depolymerization product PVCL leads to production diblock copolymer.
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ژورنال
عنوان ژورنال: Vestnik Tverskogo gosudarstvennogo universiteta
سال: 2023
ISSN: ['1995-0152']
DOI: https://doi.org/10.26456/vtchem2023.1.10