低浓度高粘度的聚乙烯醇缩丁烯醛水溶液  

POLY(VINYL BUTENAL) WATER SOLUTION OF LOW CONCENTRATION AND HIGH VISCOSITY

作　　者：苏涛[1] 石海平[2] 肖孝辉[3] 

机构地区：[1]广西大学化学化工学院,广西南宁530004 [2]广西卫生管理干部学院,广西南宁530021 [3]浙江师范大学,浙江金华321004

出　　处：《高分子材料科学与工程》2002年第6期86-88,93,共4页Polymer Materials Science & Engineering

基　　金：国家自然科学基金 (2 9764 0 0 1);广西科委匹配资金资助项目

摘　　要：为探索化工副产品 α-丁烯醛 (巴豆醛 )的应用途径 ,研究了聚乙烯醇缩丁烯醛水溶液的制备和粘度性质。与聚乙烯醇缩其它醛的水溶液相比 ,聚乙烯醇缩丁烯醛水溶液可获得在较低浓度下具有较高粘度的特性。用质量浓度 3%～ 4 %的聚乙烯醇水溶液与 α-丁烯醛在室温至 5 0℃范围内及酸催化下进行缩醛化可制得粘度高达数十 Pa.s的缩醛产物。它在涂料、胶粘剂。In order to find application for α-butenal(crotonaldehyde), a chemical industry byproduct, the preparation and the viscosity property of poly(vinyl butenal) water solution were studied. Poly(vinyl butenal) water solution could have a property of both lower concentration and higher viscosity compared to other poly(vinyl acetals). Poly(vinyl alcohol) water solution of 3~4 mass% concentration reacted with α-butenal at a range of temperature from room temperature up to 50 ℃ and catalyzed by an acid can give a product of poly(vinyl butenal) water solution with a viscosity up to several tens of Pa·s. This product has potential uses in the field of coatings, adhesives, thickeners, etc.

关 键 词：低浓度 高粘度 聚乙烯醇缩丁烯醛 水溶液 聚乙烯醇 α-丁烯醛 粘度 

分 类 号：TQ324.3[化学工程—合成树脂塑料工业]