Synthesis and characterization of novel copolymers based on 3(S)-methyl-morpholine-2,5-dione

被引：1
|
作者：
Yakai Feng
Chengbin Chen
Li Zhang
Hong Tian
Wenjie Yuan
机构：
[1] Tianjin University,School of Chemical Engineering and Technology
来源：
Transactions of Tianjin University | 2012年 / 18卷 / 5期
关键词：
amino acid; 3(S)-methyl-morpholine-2,5-dione; 5-methyl-5-benzyloxycarbonyl-1,3-dioxan-2-one; ringopening polymerization; copolymer; biomaterial;
D O I：
10.1007/s12209-012-1864-9
中图分类号：
学科分类号：
摘要：
A series of novel copolymers were successfully synthesized by ring-opening polymerization (ROP) of 3(S)-methyl-morpholine-2,5-dione (MMD) and 5-methyl-5-benzyloxycarbonyl-1,3-dioxan-2-one (MBC) using stannous octoate as catalyst. The copolymers were characterized by means of 1H-NMR and FT-IR spectroscopy. Gel permeation chromatography (GPC) test shows that the average-number relative molecular mass and average-weight relative molecular mass slightly increase with the increase of MBC content in feed. The results of differential scanning calorimetry (DSC) demonstrate that the glass transition temperature of copolymers increases with the increase of MBC content in copolymers. The copolymers of MMD and MBC are amorphous copolymers, as indicated by DSC results, while the homopolymer of MMD is semicrystalline.
引用
收藏
页码：315 / 319
页数：4
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