Halogen Free Flame Retardant Modification of Polytrimethylene Terephthalate LI Fei a, b ;JIANG Guowei b ;ZHOU Guangyuan b ;SUN Xiuyun a ;SUN Chunrong b ;SHANG Xue b ;DONG Yan b ;WANG Yiming b ; a Jilin Institute of Chemical Technology,Jilin,Jilin 132022,China ; b Key Laboratory of Polymer Ecomaterials,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,China ; 阻燃PTT材料在N 2 气( A )和空气( B )气氛下的TGA曲线 Chinese Journal of Applied Chemistry,null,34(4),436-442. Doi:10.11944/j.issn.1000-0518.2017.04.160312