采用电子活化再生原子转移自由基聚合(AGET ATRP)法将甲基丙烯酸甲酯(MMA)接枝到竹粉(BF)表面,并采用哈克微量混合流变仪及旋转流变仪考察了竹粉接枝改性前后对竹粉/聚对苯二甲酸乙二醇酯1,4环己烷二甲醇酯(PETG)复合材料流变行为的影响.毛细管流变结果表明,竹粉/PETG复合材料属于假塑性流体,呈现剪切变稀的现象;应变扫描结果表明,与未改性竹粉/PETG复合材料体系相比,竹粉经接枝改性后其复合材料体系在更大的应变范围内属于线性弹性行为;频率扫描结果表明,竹粉的接枝改性处理有助于促进竹粉在PETG基体中的均匀分散.
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