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Кінетична модель процесу поліконденсації концен-трованих фенолів кам’яновугільної смоли з формальдегідом

Volodymyr Gunka1,Yuriy Demchuk1,2, Iryna Drapak2, Bohdan Korchak1, Michael Bratychak1
Affiliation: 
1 Lviv Polytechnic National University, 12 S.Bandery St., 79013 Lviv, Ukraine 2 Danylo Halytsky Lviv National Medical University, 69 Pekarska St., 79010 Lviv, Ukraine volodymyr.m.hunka@lpnu.ua
DOI: 
https://doi.org/10.23939/chcht17.02.339
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Abstract: 
Одержано фенолоформальдегідні смоли методом поліконденсації концентрованих фенолів з формальдегідом у присутності хлоридної кислоти. Концентрування фенолів проводили обробленням фенольної фракції кам’яновугільної смоли водним розчином гідроксиду натрію з наступною нейтралізацією водорозчинних фенолятів хлоридною кисло-тою. Отримано кінетичні залежності виходу смоли та температури розм’якшення від триволості процесу за 333, 353 та 373 К. Визначено порядок реакції та встановлено ефективну енергію активації даного процесу графічним методом. В інтервалі 333-373 К для реакцій поліконденсації отримано рівняння залежності виходу смоли від температури та тривалості процесу.
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