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Synthesis of graft copolymers of xyloglucan and acrylonitrile

机译：木葡聚糖与丙烯腈接枝共聚物的合成

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摘要

Xyloglucan (XG), a water-soluble food grade polysaccharide is reported as a substrate for the graft copolymerization of acrylonitrile (AN). XG was extracted from tamarind seed mucilage. Polymerization was initiated both by ceric ion in aqueous medium under N2 atmosphere and with microwave (MW) irradiation. The progress of the reaction was monitored gravimetrically. The effect of different reaction parameters such as monomer concentration, level of ceric ammonium nitrate/HNO{sub}3 (CAN) initiator, reaction time and temperature, and MW power on the percent grafting (PG) was studied. Grafting of polyacrylonitrile (PAN) onto XG was confirmed by Fourier-transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), and scanning electron microscope (SEM) techniques have been used to study the thermal and morphological changes in the materials.
机译：据报道，木葡聚糖（XG）是一种水溶性食品级多糖，可作为丙烯腈（AN）接枝共聚的底物。 XG从罗望子种子粘液中提取。聚合反应是通过在水中在N2气氛下通过铈离子和微波（MW）辐射引发的。用重量分析法监测反应进程。研究了不同反应参数如单体浓度，硝酸硝酸铈/ HNO {sub} 3（CAN）引发剂含量，反应时间和温度以及MW功率对接枝率（PG）的影响。通过傅立叶变换红外光谱（FTIR），差示扫描量热法（DSC）和扫描电子显微镜（SEM）技术证实了聚丙烯腈（PAN）在XG上的接枝已用于研究材料的热和形态变化。

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