It studied the inflaming retarding and smoke suppressing mechanisms through the limiting oxygen index(LOI),the char yield test,smoke density rating(SDR),maximum smoke density(MSD),and SEM.

• 通过极限氧指数(LOI)、剩炭率、烟密度等级(SDR)和最大烟密度(MSD)的测定以及用电子扫描显微镜(SEM)对燃烧后所生成炭层的观察,探讨了协同体系阻燃抑烟的机理。