用硝酸铈铵作引发剂,将甲基丙烯酸甲酯(MMA)接枝到剑麻纤维(SF)的表面,研究了接枝聚合反应的规律,并考察了接枝聚合对SF热稳定性的影响.结果表明,当反应时间达4h后,单体转化率趋于恒定;MMA与SF质量比在0.85左右,接枝率处于最大值;当引发剂浓度为8 mmol/L时,接枝率和接枝效率都比较理想.SF表面接枝聚甲基丙烯酸甲酯(PMMA)导致了SF的原纤化,提高了其抗湿性和热稳定性.
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