甲苯二异氰酸酯和泡花碱交联聚乙烯醇类建筑胶水的研究  

Study of Building Glue of Polyvinyl Alcohol Cross-Linked by Toluene Diisocyanate(TDI) and Water Glass

作　　者：夏赤丹[1] 张春玲 余汉年[1] 程喜枝[1] 李华禄[1] 

机构地区：[1]江汉大学化学与环境工程学院,湖北武汉430056 [2]武汉产品质量监督检验所,湖北武汉430025

出　　处：《化学建材》2003年第2期36-39,共4页Chemical Materials for Construction

基　　金：武汉市重点攻关计划项目,项目编号:98100516

摘　　要：本文采用正交实验法,探讨在水基中甲苯二异氰酸酯(TDI)和泡花碱共同对聚乙烯醇(PVA)进行交联改性,形成一种新型环保建筑胶水。从反应原理和反应后体系中残存TDI游离的量来证明该建筑胶水的环保性。同时还探讨TDI和泡花碱的加入量、以及交联反应的温度等因素对该建筑胶水的180°剥离强度和耐水性能的影响。Orthogonal experimental method was adopted to explore a new environmentally sound building glue based on polyvinyl alcohol modified by crosslinking toluene diisocyanate and water glass. Environmental soundness of the glue was identified from the point of reaction principle and by free TDI surviving in the system after reaction and effects of addition of TDI and water glass and temperature of crosslinking reaction on peeling strength and water resistance of building glue at 180°were also discussed. 

关 键 词：泡花碱 聚乙烯醇(PVA) 建筑胶水 甲苯二异氰酸酯(TDI) 环保 

分 类 号：TQ331.4[化学工程—橡胶工业]