UL94与聚合物三种燃烧实验的相关性  

Correlations Between the UL94 Test and Other Three Fire Tests for Polymeric Materials

作　　者：王勇[1,2] 张军[1,2] 

机构地区：[1]青岛科技大学橡塑材料与工程教育部重点实验室/山东省橡塑材料与工程重点实验室 [2]青岛科技大学环境与安全工程学院,山东青岛266042

出　　处：《高分子材料科学与工程》2012年第6期169-171,175,共4页Polymer Materials Science & Engineering

基　　金：国家自然科学基金资助项目(50876048);青岛科技大学博士基金项目(20100022440)

摘　　要：包括UL94实验在内的一些聚合物燃烧实验被广泛用于评价火灾危害和阻燃性能,但同一产品的UL94等级与其他燃烧实验得出的阻燃级别有时相差较大。文中综述了UL94等级与锥形量热仪、微型量热仪和氧指数实验结果的关联关系,论述其间存在的关联性的理论基础及影响关联程度高低的因素,并建议对UL94实验条件、不稳定燃烧过程和滴落行为作深入细致的研究,以便更好地理解UL94实验与其它实验之间的异同。Some burning tests including the UL94 test are applied for screening flame retardant formulations and assessing fire hazards.However,sometimes the results of different burning experiments correspond to distinct flame retardant level.In this paper,the correlations between the UL94 test and other fire tests including the cone calorimeter test,the micro-scale calorimeter test and the limiting oxygen index test were reviewed.The theoretical derivations for understanding the correlations were presented.The factors influence on the effectiveness of the correlations were also discussed.It is suggested that the test conditions such as the heat flux,the unsteady burning process and the dripping behaviors encounter in the UL94 test should be studied carefully for further understanding the correlations between the UL94 test and other fire tests.

关 键 词：垂直燃烧 锥形量热仪 微型量热仪 氧指数 热释放速率 热释放容量 

分 类 号：O631.6[理学—高分子化学]