Non-isothermal crystallization kinetics and activation energy of bio-based poly(trimethylene terephthalate)/poly(butylene adipate-co-terephthalate) polyester blend

被引：0
|
作者：
Suresh Dhandapani
S. K. Nayak
Smita Mohanty
机构：
[1] Central Institute of Plastics Engineering and Technology,Advanced Research School for Technology and Product Simulation
[2] Central Institute of Plastics Engineering and Technology,Laboratory for Advanced Research in Polymeric Materials
来源：
Polymer Science Series A | 2015年 / 57卷
关键词：
Cool Rate; Polymer Science Series; Crystallization Kinetic; Isothermal Crystallization; Relative Crystallinity;
D O I：
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中图分类号：
学科分类号：
摘要：
The blend of bio-based poly(trimethylene terephthalate)/poly(butylene adipate-co-terephthalate) blend (60/40 by weight ratio) was prepared via melt blending technique using twin screw extrusion. Its non-isothermal crystallization kinetics was investigated by differential scanning calorimetry at different cooling rate. Avrami and Ozawa model was utilized to investigate the crystal growth rate of the blend. The threedimensional crystal growth of the blend was changed into a two-dimensional one with increase of the cooling rate. The blend was crystallized in the form of non-banded spherulites with smaller crystal size. The crystallization activation energy of poly(trimethylene terephthalate) was reduced with the incorporation of poly(butylene adipate-co-terephthalate).
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页码：628 / 634
页数：6
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