新型无溶剂无色透明环氧胶粘剂的研制  

Development of a new solvent-free,colorless and transparent epoxy adhesive

作　　者：贺渊 卿峙缋 虞鑫海[1] Alizada Heydar;Qing Zhihui;Yu Xinhai(College of Chemistry and Chemical Engineering,Donghua University,Shanghai 201620,China)

机构地区：[1]东华大学化学与化工学院,上海201620

出　　处：《中国胶粘剂》2024年第12期25-30,共6页China Adhesives

摘　　要：采用氢化双酚A环氧树脂、环氧树脂作为主要成分,通过调整氢化双酚A环氧树脂、环氧树脂及增韧剂的配比,制得新型无溶剂无色透明环氧胶粘剂。对该环氧胶粘剂体系的黏度、凝胶化时间、电学性能、冲击强度、拉伸剪切强度、吸水性能、固化反应动力学、紫外-可见光透过率等做了系统的研究。研究结果表明:所制备的环氧胶粘剂无需添加溶剂,具有优秀的反应活性、介电性能、吸水率,具有优异的耐寒性和韧性,具有优异的透明度和透光率,适合应用于光学仪器领域。A new solvent-free,colorless and transparent epoxy adhesive was prepared by using hydrogenated bisphenol A epoxy resin and epoxy resin as the main components,and adjusting the ratio of hydrogenated bisphenol A epoxy resin,epoxy resin,and toughening agent.The viscosity,gelation time,electrical properties,impact strength,tensile shear strength,water absorption,curing reaction kinetics and UV-visible light transmittance of the epoxy adhesive system were systematically studied.The research results showed that,the prepared epoxy adhesive did not require the addition of solvents and had excellent reactivity,dielectric properties,water absorption,cold resistance and toughness.It also had excellent transparency and light transmittance,making it suitable for application in the field of optical instruments.

关 键 词：氢化双酚A环氧树脂 环氧树脂 环氧增韧剂 耐寒性 韧性 透光率 

分 类 号：TQ433.4[化学工程]