高透明环保型固体胶棒的制备与性能研究

Study on preparation and properties of high-transparent and eco-friendly solid glue stick

以PVP(聚乙烯吡咯烷酮)为胶粘剂的基体树脂、硬脂酸为赋形剂、丙三醇和乙醇为保湿抗冻剂,通过调整主要材料(如丙三醇、乙醇和PVP等)的配比,从而制得了高透明环保型固体胶棒。研究结果表明:适量的丙三醇和乙醇可明显改善固体胶棒的透明性,但水会降低固体胶棒的透明性,并且过量的乙醇会影响固体胶棒的耐寒性;当w(丙三醇)=51%、w(PVP)=30%和w(乙醇)=9%(均相对于固体胶棒质量而言)时,高透明固体胶棒的综合性能相对最好(粘接性能和耐寒性俱佳)。

With PVP(polyvinylpyrrolidone) as matrix resin of adhesive,stearic acid as excipient,andglycerol and ethanol as moisturizing agent and antifreeze,a high-transparent and eco-friendly solid glue stick wasprepared by adjusting ratio of main materials(such as glycerol,ethanol,and PVP).The research results showed thatthe moderate glycerol and alcohol can obviously improve the transparency of solid glue stick,but excessive waterwill reduce the transparency of solid glue stick,and excessive alcohol will affect the cold resistance of solid gluestick.The high-transparent solid glue stick had the relatively best combination property(good bonding property andcold resistance)when mass fractions of glycerol,PVP,and ethanol were 51%,30% and 9% respectively in solidglue stick.