以凝胶时间表征环氧树脂6101固化反应动力学方程  

Curing Kinetics Equation Characterized by Gel Time for Epoxy 6101 System

作　　者：徐康宝 叶章基[2,3] 谭振华 陈凯峰[2,3] 王胜龙[2,3] 戎宗明 

机构地区：[1]化学与分子工程学院,上海200237 [2]中国船舶重工集团公司第七二五研究所厦门分部,福建厦门361002 [3]海洋腐蚀与防护重点实验室,福建厦门361002

出　　处：《涂料工业》2014年第10期12-18,共7页Paint & Coatings Industry

基　　金：国家973计划项目(61310903)

摘　　要：由旋转黏度计测定了环氧树脂6101分别与3种固化剂所形成的体系在固化过程中剪切黏度随时间的变化曲线,用环形剪切法处理获得相应的凝胶时间。考察了凝胶时间与固化剂、溶剂含量及固化温度等的变化规律,并以凝胶时间作为固化速度的表征,分别建立了相应体系的固化动力学方程。所建立的固化动力学方程,能同时适用于有无溶剂场合,可根据体系的组成(环氧树脂、固化剂和溶剂)及固化温度预测其凝胶时间,为优化防腐涂料配方及固化工艺提供了理论指导。The change curves of shear viscosity versus time, where gel time could be acquired via the curve shear method, were determined by rotational viscometer during the curing process of three systems based on epoxy resin 6101 and three curing agents respectively. The influence of curing agents and solvents dosage as well as curing temperature on the gel time was investigated. Curing kinetics equations based on gel time of the said three systems were established respectively, which could be applicable to systems with or without solvents. Furthermore, gel time could be predicted according to the specific component （e.g., epoxy resin, curing agents and solvents） of the system. The curing kinetics equations could act as the theoretical guidance for the optimization of anticorrosive coatings formula and curing process thereof.

关 键 词：固化反应动力学 环氧树脂 固化剂 凝胶时间 

分 类 号：TQ630.43[化学工程—精细化工]