含表面活性剂的低共熔离子液体对HDPE/琼脂生物复合材料的增溶作用
Compatibilization of HDPE/agar biocomposites with eutectic-based ionic liquid containing surfactant
摘要：
在本研究中，共晶基离子液体特别是氯化胆碱/甘油以1：2的摩尔比制备。在氯化胆碱/甘油中加入不同含量的表面活性剂（十六烷基三甲基溴化铵）。采用熔融共混法将氯化胆碱/甘油-十六烷基三甲基溴化铵引入到高密度聚乙烯/琼脂生物复合材料中。力学性能测试结果表明，氯化胆碱/甘油-十六烷基三甲基溴化铵的加入提高了复合材料的冲击强度和拉伸伸长率。扫描电子显微镜、差示扫描量热法和热重分析结果表明，氯化胆碱/甘油-十六烷基三甲基溴化铵复合材料的琼脂填料拔出数、熔点和热分解温度均显著降低。引入氯化胆碱/甘油-十六烷基三甲基溴化铵的生物复合材料的傅里叶变换红外光谱和X射线衍射仪图案表明存在物理相互作用，这有助于增加高密度聚乙烯和琼脂之间的相容性。总之，高密度聚乙烯/琼脂生物复合材料可以与共晶基离子液体含有表面活性剂，氯化胆碱/甘油-十六烷基三甲基溴化铵增容。
英文摘要：
In this research, eutectic-based ionic liquid specifically choline chloride/glycerol was prepared at a 1:2 mole ratio. The choline chloride/glycerol was added with the different content of surfactant (hexadecyltrimethylammonium bromide). The choline chloride/glycerol-hexadecyltrimethylammonium bromide was introduced into high-density polyethylene/agar biocomposites through melt mixing. The mechanical testing results indicated that the impact strength and tensile extension of the biocomposites increased with the introduction of the choline chloride/glycerol-hexadecyltrimethylammonium bromide. The scanning electron microscope, differential scanning calorimetry and thermal gravimetric analysis results exhibited that significant decrease in the number of agar fillers pull-out, melting point and thermal decomposition temperatures of the biocomposites are also due to the choline chloride/glycerol-hexadecyltrimethylammonium bromide. The Fourier transform infrared spectra and X-ray diffractometer patterns of the biocomposites introduced with the choline chloride/glycerol-hexadecyltrimethylammonium bromide demonstrate the presence of physical interactions, which contributes to the increase of compatibility between both high-density polyethylene and agar. In conclusion, high-density polyethylene/agar biocomposites could be compatibilized with eutectic-based ionic liquid containing surfactant, choline chloride/glycerol-hexadecyltrimethylammonium bromide.
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