红外光谱法测定聚醚硅油中含氢硅油的含量  

Determination of Polyether Silicon Oil by IR

作　　者：王文波[1] 申书昌[1] 安红[1] 

机构地区：[1]齐齐哈尔大学化学与化学工程学院,黑龙江齐齐哈尔161006

出　　处：《光谱学与光谱分析》2006年第4期643-645,共3页Spectroscopy and Spectral Analysis

基　　金：黑龙江省自然科学基金(B01-03)资助项目

摘　　要：以烷基酚聚氧乙烯醚(OP-10)和含氢硅油为原料,以辛酸亚锡为催化剂,甲苯作溶剂,采用溶液聚合的方法合成了一种新型聚醚硅油。用红外光谱法对合成样品中残留的含氢硅油进行定量分析,利用含氢硅油中Si—H键在2 167 cm-1处的吸收峰,选择司班-60作为内标物,以朗伯-比尔定律为理论依据,推导出样品和内标物的吸光度比(Y)与质量比(X)的线性关系式为Y=kX(k为常数),从而建立了直接红外光谱法测定聚醚硅油中含氢硅油含量的方法。实验测定内标工作曲线为Y=2.072 1X+0.296 3,相关系数r2=0.998 9,通过对方法重现性和回收率的测定,得到了较为满意的结果。该法是确定合成聚醚硅油产品的反应程度和控制产品质量的一种必要手段,同时为调整聚醚硅油的性能提供了依据;从而确定了最佳合成工艺路线及工艺条件。将合成的聚合物经处理后进行了应用实验,该聚合物对醇系和苯系化合物的萃取效果很好,具有广泛的应用前景。In the present paper, with polyoxyethylene（10） octylphenol ether and hydrogenous silicon oil used as raw materials, and stannous octoate used as catalyst, polyoxyethylene（10） octylphenolether-hydrogenous silicon oil polymer was synthesized in toluene solvent. Residual hydrogenous silicon oil in the polymer was determined by IR. There is a characteristic peak at 2 167 cm^-1 for Si-H bond in hydrogenous silicon oil. Using span-60 as internal standard, depending Lambert Beer law and some calculation process, the linear relation between the absorbance ratio（y） and the mass ratio（x） of sample was obtained. The linear regression equation is y=2.07 2x＋0. 296 3 with a correlation coefflcient（r^2） of 0. 998 9. The experimental results of the precisions and recoveries are satisfactory, An IR method to determine the content of hydrogenous silicon oil in polyether was established. The method is very necessary for confirming the reaction extent and controlling product quality and adjusting polyether silicon oil characters. The best process parameter was chosen in experiments. The polyether has good charactesistic for extracting alcohols and benzene homologues with bright future of application.

关 键 词：红外光谱法 聚醚硅油 含氢硅油 

分 类 号：O657.3[理学—分析化学]