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Cure kinetics and rheology characterization of soy-based epoxy resin system

机译:大豆基环氧树脂体系的固化动力学和流变学表征

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摘要

A novel soy-based epoxy resin system was synthesized by the process of transesterification and epoxidation of regular soy bean oil, which has the potential to be widely usable in various composite manufacturing processes. Cure kinetics and rheology are two chemical properties commonly required in process modeling. In this work, the cure kinetics and rheology of the soy-based resin system were measured by means of differential scanning calorimetry (DSC) and viscometer. DSC was used to measure the heat flow of dynamic and isothermal curing processes. The cure kinetics models of the different formulations were thus developed. A Brookfield viscometer was used to measure the change in viscosity under isothermal conditions. A novel neural network-based model was developed to improve modeling accuracy. The models developed for cure kinetics and rheology for soy-based epoxy resin system can be readily applied to composite processing. (c) 2006 Wiley Periodicals, Inc.
机译:通过常规大豆油的酯交换和环氧化过程合成了一种新型的大豆基环氧树脂体系,具有在各种复合材料制造工艺中广泛使用的潜力。固化动力学和流变学是过程建模中通常需要的两个化学性质。在这项工作中,通过差示扫描量热法(DSC)和粘度计测量了大豆基树脂体系的固化动力学和流变学。 DSC用于测量动态和等温固化过程的热流。因此,开发了不同配方的固化动力学模型。使用布鲁克菲尔德粘度计测量等温条件下的粘度变化。开发了一种基于神经网络的新型模型,以提高建模精度。针对大豆基环氧树脂体系的固化动力学和流变学开发的模型可以轻松地应用于复合材料加工。 (c)2006年Wiley Periodicals,Inc.

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