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首页> 外文期刊>International Journal of Chemistry and Chemical Engineering >Curing Kinetic Study of Epoxy Toughened by Precipitated Calcium Carbonate from Industrial Waste
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Curing Kinetic Study of Epoxy Toughened by Precipitated Calcium Carbonate from Industrial Waste

机译：从工业废弃物中沉淀碳酸钙引燃环氧树脂的动力学研究

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摘要

The curing behavior of diglycidyl ether of bisphenol A/polyetheramine system with precipitated calcium carbonate (PCC) as a filler was studied. The PCC was produced from acetylene gas waste and using sucrose as promoter. The kinetic characteristics, such as degree of curing, curing rate and exothermic curve, were analyzed using differential scanning calorimetry (DSC). The activation energy Ea was estimated by the Kissinger and Flynn-Wall-Ozawa methods. The energies of the crosslinking process for system containing PCC are in the range of approximately 35 to 63 kJ/mol. The incorporation of PCC in the system boosted the curing process in terms of time. The activation energy increases whenever the PCC concentration increases to 5 wt. %. The PCC produced can be used as advanced plastic filler.
机译：研究了双酚A /聚醚胺制料与沉淀碳酸钙（PCC）作为填料的二甲醇A /聚醚胺系统的固化行为。 PCC由乙炔气体废物制成并使用蔗糖作为启动子制备。 使用差示扫描量热法（DSC）分析了诸如固化程度，固化率和放热曲线的动力学特性。 激活能量EA由基辛格和Flynn-Wall-ozawa方法估算。 含PCC系统的交联过程的能量在约35至63kJ / mol的范围内。 在系统中的PCC掺入提高了时间的固化过程。 每当PCC浓度增加到5wt时，活化能会增加。 ％。 生产的PCC可用作先进的塑料填料。

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