Mathematical Modelling of Rheological Properties of Low-density Polyethylene Produced in High-Pressure Tubular Reactors

Maira L. Dietrich; Adriana Brandolin; Claudia Sarmoria; Mariano Asteasuain

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Mathematical Modelling of Rheological Properties of Low-density Polyethylene Produced in High-Pressure Tubular Reactors

机译：高压管式反应器中低密度聚乙烯流变性质的数学建模

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Low-density polyethylene (LDPE) is a commodity polymer widely used in a variety of applications. Due to the complexity of its molecular structure, which includes molecular weight distribution and randomly distributed long-chain branching, its rheological behavior is varied. In the present work, a mathematical model is used to predict molecular and rheological properties of LDPE produced in a high-pressure tubular reactor under different operating conditions. The agreement between flow curve predictions and experimental data is very good, demonstrating the potential of this model as a predictive tool for industrial producers.

机译：低密度聚乙烯（LDPE）是广泛应用于各种应用的商品聚合物。由于其分子结构的复杂性，其中包括分子量分布和随机分布的长链支化，其流变行为是多种多样的。在本作工作中，使用数学模型在不同的操作条件下预测在高压管式反应器中产生的LDPE的分子和流变性质。流动曲线预测和实验数据之间的协议非常好，展示了该模型作为工业生产商的预测工具的潜力。

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《IFAC PapersOnLine》 |2021年第3期|共5页
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Maira L. Dietrich; Adriana Brandolin; Claudia Sarmoria; Mariano Asteasuain;
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Low-density PolyethyleneTubular ReactorRheologyMathematical Model;

机译：低密度聚乙烯静脉反应饲料疗法模型;

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1. Rheological properties of low-density polyethylenes produced by tubular and vessel processes [J] . Masayuki Yamaguchi, Masaokii Takahashi Polymer: The International Journal for the Science and Technology of Polymers . 2001,第21期

机译：管式和容器法生产的低密度聚乙烯的流变特性
2. Dynamic simulation of high-pressure tubular reactor for low-density polyethylene production [J] . Jovic Franjo, Grasovec Marko, Dejanovic Igor, Journal of Elastomers & Plastics . 2014,第8期

机译：用于低密度聚乙烯生产的高压管式反应器的动态模拟
3. On-Line Parameter Estimation in a High-Pressure Low-Density Polyethylene Tubular Reactor [J] . C. Kiparissides, G. Verros, A. Pertsinidis, AIChE Journal . 1996,第2期

机译：高压低密度聚乙烯管式反应器中的在线参数估计
4. Prediction of Rheological Properties of LDPE Produced in High-Pressure Tubular Reactors(PPT) [C] . Maira L.Dietrich, Adriana Brandolin, Claudia Sarmoria AIChE Annual Meeting . 2019

机译：高压管式反应器中LDPE流变性能预测（PPT）
5. A comprehensive dynamic model for high-pressure tubular low-density polyethylene (LDPE) reactors. [D] . Mummudi Boopathy, Mothivel B. 2006

机译：高压管式低密度聚乙烯（LDPE）反应器的综合动力学模型。
6. Mechanical Rheological and Bioactivity Properties of Ultra High-Molecular-Weight Polyethylene Bioactive Composites Containing Polyethylene Glycol and Hydroxyapatite [O] . Mazatusziha Ahmad, Mat Uzir Wahit, Mohammed Rafiq Abdul Kadir, 2012

机译：包含聚乙二醇和羟基磷灰石的超高分子量聚乙烯生物活性复合材料的机械流变和生物活性
7. A comprehensive dynamic model for high-pressure tubular low-density polyethylene (LDPE) reactors [O] . Boopathy, Mothivel B. Mummudi 2006

机译：高压管式低密度聚乙烯（LDPE）反应器的综合动力学模型

Mathematical Modelling of Rheological Properties of Low-density Polyethylene Produced in High-Pressure Tubular Reactors

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