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首页> 外文期刊>Journal of Applied Polymer Science >Processing and Thermal Properties of Composites Based on Recycled PET, Sisal Fibers, and Renewable Plasticizers
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Processing and Thermal Properties of Composites Based on Recycled PET, Sisal Fibers, and Renewable Plasticizers

机译：基于再生PET，剑麻纤维和可再生增塑剂的复合材料的加工和热性能

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摘要

This investigation focuses on the preparation of bio-based composites from recycled poly (ethylene terephthalate) (PET) and sisal fibers (3 cm, 15 wt %), via thermopressing process. Plasticizers derived from renewable raw materials are used, namely, glycerol, tributyl citrate (TBC) and castor oil (CO), to decrease the melting point of the recycled PET (T_m ~ 265℃), which is sufficiently high to initiate the thermal decomposition of the lignocellulosic fiber. All used materials are characterized by thermogravimetric analysis and differential scanning calorimetry, and the composites are also characterized via dynamic mechanical thermal analysis. The storage modulus (30℃) and the tan δ peak values of CT [PET/sisal/TBC] indicate that TBC also acts as a compatibilizing agent at the interface fiber/PET, as well as a plasticizer. To compare different processing methods, rheometry/thermopressing and compression molding are used to prepare the recycled PET/sisal/glycerol/CO composites. These two different methods of processing show no significant influence on the thermal properties of these composites.
机译：这项研究的重点是通过热压工艺从回收的聚对苯二甲酸乙二酯（PET）和剑麻纤维（3 cm，15 wt％）制备生物基复合材料。使用源自可再生原料的增塑剂，即甘油，柠檬酸三丁酯（TBC）和蓖麻油（CO），以降低回收PET的熔点（T_m〜265℃），该熔点足够高以引发热分解。木质纤维素纤维。所有使用的材料均通过热重分析和差示扫描量热法进行表征，复合材料还通过动态机械热分析进行表征。 CT [PET / sisal / TBC]的储能模量（30℃）和tanδ峰值表明，TBC还可作为界面纤维/ PET的增容剂和增塑剂。为了比较不同的加工方法，流变/热压和压缩成型用于制备回收的PET /剑麻/甘油/ CO复合材料。这两种不同的加工方法对这些复合材料的热性能没有显着影响。

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