红外光谱法测定涂料印花增稠剂中脂肪醇聚氧乙烯醚甲基丙烯酸酯的含量  

Determination of alkyl polyethyleneoxide ether methacrylate content in pigment printing thickener by IR spectrophotometry

作　　者：王文波[1] 殷广明[1] 殷承启[2] 

机构地区：[1]齐齐哈尔大学分析测试中心,黑龙江齐齐哈尔161006 [2]江苏省交通规划设计院,江苏南京210005

出　　处：《印染助剂》2012年第5期50-52,共3页Textile Auxiliaries

摘　　要：以甲基丙烯酸、平平加为原料,通过酯化反应制备脂肪醇聚氧乙烯醚甲基丙烯酸酯,提纯后得到定量酯类的标准物.选定酯中1 715.19 cm-1处的特征吸收峰和硫氰酸钾中2 063.26 cm-1处的特征吸收峰为分析峰,并以朗伯-比尔定律为依据,经过一系列推导过程得到标准物和内标物的峰高比与质量比的线性关系.试验确定的线性回归方程为y=0.076 6x-0.008 6,相关系数为R2=0.999 5,建立了红外光谱法测定涂料印花增稠剂中脂肪醇聚氧乙烯醚甲基丙烯酸酯含量的方法,该方法的相对标准偏差为1.19%,回收率为100.14%～104.06%.The ester standard substance for quantitative analysis was obtained from the purification of al kyl polyethyleneoxide ether methacrylate prepared with methacrylic acid and peragal by esterification reaction.According to Lambert′s Law,the linear relationships between the ratio of absorption peak area and mass ratio of standard substance and internal standard substance was demonstrated using the characteristic absorption peak of ester at 1 715.91 cm-1 and characteristic absorption peak of potassium thiocyanate at 2 063.26 cm-1.The linear regression equation was y=0.076 6 x-0.008 6,the correlation coefficient R2=0.999 5.A new analy sis method was established to determine alkyl polyethyleneoxide ether methacrylate content in pigment print ing thickener with IR spectrometry.The relative standard deviation of this method was 1.19%,the recovery rate was 100.14%~104.06%.

关 键 词：红外光谱法 定量分析 脂肪醇聚氧乙烯醚甲基丙烯酸酯 

分 类 号：TQ630.72[化学工程—精细化工]