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淀粉/NaAA/NBR复合材料的制备与吸水性能研究 被引量：1

Preparation and water-absorbent property of starch/NaAA/NBR composites
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摘要 运用乳液共沉法制备淀粉/NBR复合物,通过氢氧化钠和丙烯酸的中和反应,在NBR中原位合成丙烯酸钠(NaAA),制备淀粉/NaAA/NBR复合材料,并对复合材料物理性能和吸水性能进行研究。结果表明,与直接添加NaAA的淀粉/NaAA/NBR复合材料相比,原位合成NaAA的淀粉/NaAA/NBR复合材料物理性能较好,吸水性能较差;随着浸水时间延长和浸水温度升高,直接添加NaAA的淀粉/NaAA/NBR复合材料吸水体积膨胀率增大,原位合成NaAA的淀粉/NaAA/NBR复合材料吸水体积膨胀率先增大后减小,前者吸水性能较好。 Starch/NBR composite was prepared by emulsion co-coagulation method.Through neutralization reaction of sodium hydroxide and acrylic,sodium acrylate（NaAA） was prepared in situ in NBR compound,then starch/NaAA/NBR composites were prepared,and the physical properties and water-absorbent property were investigated.The results showed that,the physical properties of starch/NaAA/NBR composite through in situ formation of NaAA was better,but the water-absorbent property was worse compared with starch/NaAA/NBR composite by adding NaAA directly;the volume swelling ratio of starch/NaAA/NBR composite by adding NaAA directly was always increased,the starch/NaAA/NBR composite through in situ formation of NaAA was increased first and then decreased as the time of soaking extended and the temperature rose,and the water-absorbent property of the former was better.
作者 宋帅帅 马建华 刘晓丽 吴友平
机构地区 北京化工大学北京市新型高分子材料制备与加工重点实验室
出处 《橡胶工业》 CAS 北大核心 2010年第4期220-224,共5页 China Rubber Industry
基金 国家自然科学基金资助项目(50673010)
关键词 NBR 淀粉 丙烯酸钠 复合材料 吸水性能 物理性能 NBR starch sodium acrylate composite water-absorbent property physical property
分类号 TQ330.1 [化学工程—橡胶工业]
  • 相关文献

参考文献11

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共引文献57

同被引文献9

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橡胶工业
2010年 第4期

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