SYNTHESIS AND PROPERTIES OF NOVEL FLAME RETARDANT COPOLYESTERS CONTAINING BENZOXAZOLE
In order to avoid the serious melt-dripping problems, a benzoxazole-containing bi-functional monomer named 2-(3,5-hydroxyethoxy)phenylbenzoxazole(PBm) was synthesized and introduced into the PET main-chainviacondensation polymerization.With the incorporation ofbenzoxazoleunits, the char residue obtained from combustion of the flame-retardant copolyesters containing PBm (PET-PBm x%) increased dramatically.These copolyesters still kept crystallization ability although their crystallinity and melting temperature were lower than those of PET.The LOI values increased from 22.0 of PET to 27.0 of PET-PBml0, and further increased to 29.0 of PET-PBm20.
Yan-Peng Ni Lin Chen Xiu-Li Wang Yu-Zhong Wang
Center for Degradable and Flame-Retardant Polymeric Materials, College of Chemistry, State Key Labor Center for Degradable and Flame-Retardant Polymeric Materials, College of Chemistry, State Key Labor
国际会议
长春
英文
219-220
2016-06-15(万方平台首次上网日期,不代表论文的发表时间)