CAJ | 학술논문

以窄分布十二醇聚氧乙烯（2）醚（AEO2）为原料经羧甲基化法合成了窄分布十二醇醚（2）羧酸钠盐（AE2C），经单因素实验对反应温度、投料比及反应时间等参数进行探讨，得出最佳的合成工艺条件为：n （ AEO2）∶n （ClCH2COOH）∶n（NaOH）＝1.0∶1.1∶2.2，反应温度70℃，反应时间5 h．经分离提纯后对产品进行红外结构表征和活性含量测定，并对其表面张力、泡沫性、润湿性、乳化性、钙皂分散力和去污力进行了测试．结果表明，合成的AE2 C阴离子活性含量为87.38％， CMC为0.41 mmol/L，最低表面张力为25.4 mN/m，泡沫性（0.1％溶液）83 mL、润湿性（0.1％溶液）5.1 s、乳化性（液体石蜡）131.8 s、钙皂分散力LSDP 16和去污力（0.25％溶液）47.2％．
이착분포십이순취양을희（2）미（AEO2）위원료경최갑기화법합성료착분포십이순미（2）최산납염（AE2C），경단인소실험대반응온도、투료비급반응시간등삼수진행탐토，득출최가적합성공예조건위：n （ AEO2）∶n （ClCH2COOH）∶n（NaOH）＝1.0∶1.1∶2.2，반응온도70℃，반응시간5 h．경분리제순후대산품진행홍외결구표정화활성함량측정，병대기표면장력、포말성、윤습성、유화성、개조분산력화거오력진행료측시．결과표명，합성적AE2 C음리자활성함량위87.38％， CMC위0.41 mmol/L，최저표면장력위25.4 mN/m，포말성（0.1％용액）83 mL、윤습성（0.1％용액）5.1 s、유화성（액체석사）131.8 s、개조분산력LSDP 16화거오력（0.25％용액）47.2％．
Lauryl polyoxyethylene ether carboxylate with narrow molecular weight distribution ( AE2 C) was synthe-sized by using AEO 2 with narrow molecular weight distribution as a starting material and the optimized reaction condi -tions were shown as follows:n(fatty alcohol ether)∶n(sodium chloroacetate)∶n(sodium hydroxide)=1.0∶1.1∶2.2, the reactive temperature 70℃, and the reactive time 5 h.The structure of the product was identified by IR and the anion active contents was determined .The properties of the product such as surface activity , foaming, wetting, emul-sifying, washing properties and calcium soap dispersion were measured .The results showed that anion active content of AE2 C is 87.38%, CMC of the product is 0.41 mmol/L, andγCMC is 25.4 mN/m, and the foaming hight is 83 mL, wetting properties is 5.1 s, emulsifying abilities is 131.8 s, LSDP is 16, and the washing properties is 47.2%.