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Cure-kinetic parameters of nanoclay-containing unsaturated polyester resins: effect of chemical structure of resin
Thermochimica Acta ( IF 3.1 ) Pub Date : 2020-03-01 , DOI: 10.1016/j.tca.2020.178515
Mehdi Poorabdollah , Saeid Danaei

Abstract An unsaturated polyester resin was synthesized and filled with Cloisite 10A nanoparticles. The kinetic parameters of the synthesized and filled unsaturated polyester resins were calculated by an advanced isoconversional method and using dynamic DSC data. The influence of diethylene glycol present in the resin structure on the kinetic parameters was examined. The effect of glycol type on the miscibility of alkyd chains and styrene and the significance of this miscibility on the kinetic behavior of the resin containing nanoparticles were investigated. The results showed that change in glycol type changed the miscibility between alkyd chains and styrene, which in turn, caused to vary the kinetic parameters of curing reaction of the resin containing nanoparticles. Diffusion phenomenon was studied and the results demonstrated that by addition of nanoclay in the resin formulation the diffusion becomes a more dominant mechanism.

中文翻译:

含纳米粘土不饱和聚酯树脂的固化动力学参数:树脂化学结构的影响

摘要 合成了一种不饱和聚酯树脂,并填充了Cloisite 10A纳米颗粒。合成和填充的不饱和聚酯树脂的动力学参数通过先进的等转化方法和动态 DSC 数据计算。研究了存在于树脂结构中的二甘醇对动力学参数的影响。研究了乙二醇类型对醇酸链和苯乙烯的混溶性的影响以及这种混溶性对含有纳米粒子的树脂的动力学行为的重要性。结果表明,乙二醇类型的变化改变了醇酸链和苯乙烯之间的混溶性,进而导致含有纳米粒子的树脂固化反应的动力学参数发生变化。
更新日期:2020-03-01
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