Synthesis of a Biodegradable Material Poly (lactic acid-co-melamine) via Direct Melt Polycondensation

被引:0
作者
Feng, Minhua [1 ]
Xiong, Jinfeng [1 ]
Wang, Qunfang [1 ]
Wang, Zhaoyang [1 ]
机构
[1] S China Normal Univ, Sch Chem & Environm, Guangzhou 510006, Guangdong, Peoples R China
来源
ADVANCES IN CHEMICAL ENGINEERING III, PTS 1-4 | 2013年 / 781-784卷
关键词
Biodegradable material; Copolymer; Star-shaped Poly(lactic acid) (SPLA); D; L-lactic acid (D; L-LA); Direct Melt Polycondensation; Synthesis; POLY(LACTIC ACID); FLAME-RETARDANT; COPOLYCONDENSATION;
D O I
10.4028/www.scientific.net/AMR.781-784.503
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Directly starting from D,L-lactic acid (LA) and melamine (MA), novel star-shaped biodegradable material poly(lactic acid-co-melamine) [P(LA-co-MA)] as a kind of potential flame retardant is synthesized via melt polycondensation. When the molar feed ratio n(LA)/n(MA) is 60/1, the optimal synthetic conditions are discussed. After the prepolymerization at 140 degrees C for 8 h, using 0.4 wt % stannous chloride as the catalyst, the melt copolymerization at 160 degrees C for 8 h gives the copolymer with the biggest intrinsic viscosity 0.87 dL.g(-1).
引用
收藏
页码:503 / 506
页数:4
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