添加剂对醇醚糖苷表面性能的影响  

Influences of additives on alkyl ethoxy polyglycosides surface performance

作　　者：邢晓平[1,2] 梁丽[2] 赵雪华[2] 王利民[1,2] 荆丰伟 徐荣坤 

机构地区：[1]上海市功能性材料化学重点实验室,上海200237 [2]华东理工大学化学与分子工程学院精细化工研究所,上海200237 [3]江苏万淇生物科技有限公司,江苏海安226600

出　　处：《日用化学工业》2017年第3期133-136,共4页China Surfactant Detergent & Cosmetics

摘　　要：以醇醚糖苷AEG050为原料,研究了其自身表面性能及不同添加剂对其表面性能的影响。结果表明,在25℃下AEG050的临界胶束浓度cmc=44.5 mg/L,最低表面张力γ_(cmc)=29.4 m N/m,具有较强的抗硬水能力。随着NaCl和Na_2SO_4两种无机盐浓度的增加,AEG050的表面活性增强。在较低浓度的一元醇溶液中,AEG050的表面活性增强,但当醇浓度较高时,其表面活性下降。AEG050与其他表面活性剂复配有一定的增效作用,尤其是与十六烷基三甲基溴化铵形成的复配体系,其cmc增效34.2%,γ_(cmc)增效4.1%。Surface performance of alkyl ethoxy polyglycosides （AEG050） and the influences of different additives on them were examined. Results showed that： at 25℃, the value of critical micelle concentration （cmc） achieves 44. 5mg/L, and the surface tension at cmc （ γcmc ） achieves 29. 4 mN/m. Besides, it displays rather strong capacity for resistance to hard water. With the increase of concentration of NaCl and/or Na2SO4, their surface activity increases. In monohydric alcohol solution of relatively lower concentration, the surface activity of AEG050 also strengthens, but when the monohydric alcohol concentration is relatively higher, their surface activity declines. There is a certain especially cetyltrimethylammonium bromide CTAB synergizes as 34. 2% lower,while the synergetic effect when AEG050 blends with other surfactants, （CTAB）. In this case, cmc of blend composed of AEG050 and surface tension Tcmc decreases 4. 1%.

关 键 词：醇醚糖苷 添加剂 临界胶束浓度 表面张力 复配 

分 类 号：TQ423[化学工程]