Structure and thermal properties of cellulose diacetate-graft-poly(lactic acid) copolymer

被引：4
作者：
Deng, Wenjian [1 ]
Zhuang, Xupin [1 ,2 ]
Guan, Ketian [1 ]
Cheng, Bowen [2 ]
机构：
[1] Tianjin Polytech Univ, Coll Text, Dept Nonwoven Mat, Tianjin 300160, Peoples R China
[2] Tianjin Polytech Univ, Tianjin Key Lab Fiber modificat & Funct Fiber, Tianjin 300160, Peoples R China
来源：
ADVANCED POLYMER SCIENCE AND ENGINEERING | 2011年 / 221卷
关键词：
cellulose diacetate; poly(lactic acid); grafted copolymerization; thermal properties; biodegradable plastics; POLY(ETHYLENE GLYCOL); ESTERS; POLY(EPSILON-CAPROLACTONE); SUBSTITUTION;
D O I：
10.4028/www.scientific.net/AMR.221.85
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
To improve the thermal behavior of cellulose diacetate, cellulose diacetate-graft-poly(lactic acid) copolymers (CDA-g-PLAs) were synthesized by ring-opening polymerization of L-lactide using stannous octoate (Sn(Oct)2) as catalyst. The molecular structure of the copolymer was characterized by FT-IR and 1H-NMR and the thermal properties were investigated by differential scanning calorimetry (DSC) and thermogravimetric analysis (TG-DTA). The results showed that the product was grafted copolymer of cellulose diacetate-graft-poly(lactic acid) with different side-chain structure. The thermal processing properties of CDA-g-PLAs are remarkably improved with melting temperature(Tm) about 140 degrees C which lower than that of CDA and decomposition temperature (Td) higher than 260 degrees C.
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页码：85 / +
页数：2
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