Herald of Technological University Herald of Technological University ВЕСТНИК ТЕХНОЛОГИЧЕСКОГО УНИВЕРСИТЕТА 3034-4689 63645 ХИМИЯ, ТЕХНОЛОГИЯ И ИСПОЛЬЗОВАНИЕ ПОЛИМЕРОВ ХИМИЯ, ТЕХНОЛОГИЯ И ИСПОЛЬЗОВАНИЕ ПОЛИМЕРОВ Structure and Ozone Resistance of vulcanized Acrylonitrile-Butadiene Rubbers with Poly(vinyl chloride) Blends Ливанова Н М Livanova N M Попов А А Popov A A Карпова С Г Karpova S G Заиков Г Е Zaikov G E ov_stoyanov@mail.ru Яруллин А Ф Yarullin A F Институт биохимической физики им.Н.М. Эмануэля ru Emanuel Institute of Biochemical Physics, Russian Academy of Science ru Институт биохимической физики им.Н.М. Эмануэля ru Emanuel Institute of Biochemical Physics, Russian Academy of Sciences ru Институт биохимической физики им.Н.М. Эммануэля ru Emanuel Institute of Biochemical Physics, Russian Academy of Sciences ru Казанский национальный исследовательский технологический университет ru Kazan National Research Technological University ru Казанский национальный исследовательский технологический университет ru Kazan National Research Technological University ru 01 08 2025 01 08 2025 17 14 297 303 20 04 2023 https://vestniktu.ru/en/nauka/article/63645/view

Методами механической релаксации напряжений в инертной и озонсодержащей атмосфере и электронного парамагнитного резонанса исследована озоностойкость, фазовый состав и структура межфазных переходных слоев вулканизированных смесей бутадиен-нитрильных каучуков (БНК) с поли (винилхлоридом) (ПВХ). Образцы были получены из БНК марок СКН-18, СКН-26, СКН-40 и ПВХ (полученный эмульсионной или суспензионной полимеризацией) методами высоко- и низкотемпературного смешивания с последующей обработкой в термостате. Механизм озонозащитного действия термопласта (ПВХ) в смеси с БНК рассматривается для систем, обладающих различной степенью однородности.

The ozone resistance, phase structure, and the structure of interphase transition layers in vulcanized blends of butadiene-acrylonitrile rubbers (NBR) with poly(vinyl chloride) (PVC) was studied by measuring mechanical stress relaxation in an inert and ozone-containing atmosphere and EPR. The samples were prepared from NBR of the SKN-18, SKN-26, and SKN-40 grades and PVC (obtained by emulsion or suspension polymerization) by methods of high- and low-temperature blending followed by treatment in a thermostat. A mechanism of the ozone-protective action of thermoplast (PVC) in the blends with NBR is considered for the systems possessing various degrees of homogeneity.

 acrylonitrile-butadiene rubbers ozone-induced degradation ozone-protective action compatibility phase structure interphase layers stress relaxation electron paramagnetic resonance the rotational mobility (correlation time τ c) бутадиен-нитрильный каучуки деструкция под действием озона озонозащитное действие совместимость фаза структура межфазные слои релаксация напряжений электронный парамагнитый резонанс вращательная подвижность (время корреляции τ c) acrylonitrile-butadiene rubbers ozone-induced degradation ozone-protective action compatibility phase structure interphase layers stress relaxation electron paramagnetic resonance the rotational mobility (correlation time τ c) бутадиен-нитрильный каучуки деструкция под действием озона озонозащитное действие совместимость фаза структура межфазные слои релаксация напряжений электронный парамагнитый резонанс вращательная подвижность (время корреляции τ c)

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