聚乙烯醇缩丁醛的缩醛度影响因素研究  

Study on Influencing Factors of Acetal Degree of Polyvinyl Butyral

作　　者：张力 陈蔓蔓 孙晓龙 ZHANG Li;CHEN Manman;SUN Xiaolong(Lucky Optoelectronic Material Co.,Ltd.,Suqian,Jiangsu 223802,China)

机构地区：[1]乐凯光电材料有限公司,江苏宿迁223802

出　　处：《信息记录材料》2024年第11期6-8,共3页Information Recording Materials

摘　　要：聚乙烯醇缩丁醛(polyvinyl butyral,PVB)作为一种重要的化工产品,广泛应用于建筑玻璃夹层膜、安全玻璃、太阳能电池封装材料等领域,因其优异的粘接性、透明性、耐候性和抗冲击性能而受到市场的青睐。本研究主要通过改变反应温度、聚乙烯醇(polyvinyl alcohol,PVA)水溶液浓度、反应时间,以及使用不同聚合度、醇解度的PVA对PVB树脂合成进行研究,针对PVB树脂的羟基含量进行表征,分析不同的实验条件对PVB树脂缩醛度的影响,从而优化合成工艺,提高产品质量,减少对外部供应的依赖。As an important chemical product,polyvinyl butyral(PVB)is widely used in the fields of architectural glass sandwich film,safety glass,solar cell packaging materials,etc.,and favored by the market because of its excellent adhesion,transparency,weather resistance and impact resistance.This study researched on the synthesis of PVB resin by changing the reaction temperature,the concentration of polyvinyl alcohol(PVA)aqueous solution,the reaction time,and the use of different PVA.The hydroxyl content of PVB resin was characterized and the influence of different experimental conditions on PVB resin was analyzed,so as to optimize the synthesis process and improve the product quality and reduce dependence on external supplies.

关 键 词：PVB 缩醛度 羟基 影响因素 

分 类 号：TQ31[化学工程—高聚物工业]