Creation of experimental-statistical and kinetic models of the coumarone-indene-carbazole resin production process

IF 7.9 Q1 ENGINEERING, MULTIDISCIPLINARY Results in Engineering Pub Date : 2025-03-01 Epub Date: 2024-12-09 DOI:10.1016/j.rineng.2024.103689

Serhiy Pyshyev , Yuriy Prysiazhnyi , Halyna Bilushchak , Bohdan Korchak , Iryna Pochapska , Oleg Yavorskyi

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Abstract

To create an effective and inexpensive modifier of road petroleum bitumen the authors continued to study the production and application of coumarone-indene-carbazole resins (CICR). In previous researches the influence of various factors on the process of obtaining CICR had been investigated and analyzed. However, the complex influence of process factors was not established. Therefore, the aim of this research was to create an adequateexperimental-statistical and kinetic models. According to them, optimal process conditions were proposed, which iclude: a carbazole content in the raw material of 19.5 wt. % relative to the resin-forming components (styrene, coumarone, indene), a catalyst content of 8.0 wt. % relative to the resin-forming components, a process temperature of 115 °C, and a process duration of 46 min. The determined effective activation energy of the CICR synthesis was 21.2 kJ/mol. The obtained results will allow us to extrapolate the conditions for gaining CICR in industrial processes and receive an effective bitumen modifier under optimal conditions.

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香豆素-茚-咔唑树脂生产过程的实验统计和动力学模型的建立

为了寻找一种高效、廉价的公路石油沥青改性剂，对香豆素-茚-咔唑树脂（CICR）的生产和应用进行了研究。在以往的研究中，对各种因素对获得CICR过程的影响进行了研究和分析。但工艺因素的复杂影响尚未建立。因此，本研究的目的是建立一个充分的实验统计和动力学模型。在此基础上，确定了合成CICR的最佳工艺条件：原料中咔唑的含量为树脂形成组分（苯乙烯、香豆酮、茚）的19.5 wt. %，催化剂的含量为树脂形成组分（苯乙烯、香豆酮、茚）的8.0 wt. %，工艺温度为115℃，工艺时间为46 min。所得结果将使我们能够推断在工业过程中获得CICR的条件，并在最佳条件下获得有效的沥青改性剂。

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