硬质聚氨酯泡沫塑料结构及其性能的研究  

Study on Structure and Property of Rigid Polyurethane Foam

作　　者：吴蓁[1] 郭青[2] 沈军[2] 于广豪[1] 

机构地区：[1]上海应用技术学院材料科学与工程学院,上海200235 [2]上海市建筑科学研究院,上海200032

出　　处：《建筑材料学报》2009年第4期453-457,共5页Journal of Building Materials

基　　金：上海市教委科技发展基金资助项目(06OZ007);上海市重点学科建设项目(P1502)

摘　　要：应用环保型发泡剂制备了硬质聚氨酯泡沫塑料,然后分别对影响其泡体结构和性能的因素(包括聚醚配合比、匀泡剂用量、催化剂用量等)进行了研究.结果表明:可通过改变催化剂有机锡用量来协调凝胶速率与发泡速率的匹配,从而调节泡体的结构及性能;聚醚配合比和匀泡剂用量等均对泡体结构及性能产生影响.Rigid polyurethane foam was made by environment friendly foaming agent. The factors which affect the structure and the property of rigid polyurethane foam were studied. The factors include the composition of polyether polyols, the amount of foam stabilizer and catalyst. Research results show that the match between gelatinizing and foaming rate could be achieved by changing catalyst（organotin） amount, and thus the structure and property of rigid polyurethane foam could be controlled. The results also indicate that the composition of polyether polyols, the amount of foam stabilizer could all affect the structure and property of rigid polyurethane foam.

关 键 词：硬质聚氨酯泡沫塑料 泡体结构 力学性能 玻璃化转变温度 

分 类 号：TU5[建筑科学—建筑技术科学]