苯基硅油中甲基苯基硅氧烷环体及其苯基含量的定量研究  

Determination of Methylphenylcyclosilicone and Phenyl Content in Methylphenylsilicone Fluid by GPC-UV

作　　者：杜靖茹 栗婧 陈志伟 邬继荣[1] 蒋可志[1] DU Jingru;LI Jing;CHEN Zhiwei;WU Jirong;JIANG Kezhi(Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education,College of Material,Chemistry and Chemical Engineering,Hangzhou Normal University,Hangzhou 311121,China)

机构地区：[1]杭州师范大学材料与化学化工学院有机硅化学及材料技术教育部重点实验室,浙江杭州311121

出　　处：《杭州师范大学学报（自然科学版）》2021年第6期1-5,共5页Journal of Hangzhou Normal University(Natural Science Edition)

基　　金：浙江省分析测试项目(LGC21B050009).

摘　　要：采用凝胶渗透色谱-紫外检测技术建立了苯基硅油中微量甲基苯基硅氧烷环体以及硅油结构中苯基的定量方法.在优化实验条件下,甲基苯基硅氧烷环体在10~1000μg/mL(即苯基浓度在0.0735~7.35μmol/mL)范围内线性良好.50μg/mL甲基苯基硅氧烷环体5次进样峰面积相对标准偏差为3.7%.对于10 mg/mL的苯基硅油样品溶液,其甲基苯基硅氧烷环体的定量下限为1.0 mg/g,苯基的定量下限为7.35μmol/g.实验结果显示不同类型的苯基硅油产品中苯基以及甲基苯基硅氧烷环体的含量差异显著.In this paper,an analytical method for the determination of trace methylphenylcyclosilicone and phenyl group in methylphenylsilicone fluid was established by gel permeation chromatography-ultraviolet.Under the optimized experimental conditions,methylphenylcyclosilicone was well linearly in the range of 10-1000μg/mL(or with the phenyl concentration in the range of 0.0735-7.35μmol/mL).The relative standard deviation of the peak area was 3.7%for methylphenylcyclosilicone at the level of 50μg/mL.The quantification limit of methylphenylcyclosilicone was 1.0μg/mg for the solvent of methylphenylsilicone fluid at the level of 10 mg/mL,and that of phenyl concentration was 7.35μmol/g.The results showed that the content of methylphenylcyclosilicone and that of phenyl group varied distinctively in different types of methylphenylsilicone fluid products.

关 键 词：凝胶渗透色谱-紫外检测 苯基硅油 甲基苯基硅氧烷环体 苯基含量 质量控制 

分 类 号：O657.75[理学—分析化学]