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以玉米淀粉为原料,H2O2为氧化剂,制得氧化玉米淀粉胶.利用模压方法制备了稻秸秆/玉米淀粉胶复合材料,基于正交试验方法,研究了原料配比对复合材料的密度、抗压强度、吸湿性及可降解性能的影响.结果表明:稻秸秆/玉米淀粉胶复合材料密度随稻秸秆含量增加,先升高后降低;当稻秸秆含量为16.3%时,复合材料密度最小;随玉米淀粉胶含量增加复合材料抗压性能降低.当稻秸秆∶改性淀粉∶玉米淀粉胶∶滑石粉∶碳酸氢氨的质量比为6∶9∶15∶5∶1时,复合材料抗压强度较高.稻秸秆/玉米淀粉胶复合材料在潮湿环境下的降解性能良好,但与聚苯乙烯泡沫塑料相比易吸潮.

参考文献

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