Biodegradability of poly(ester-ether) and poly(ester) obtained from a radical ring-opening polymerization of cyclic ketene acetals

被引：8
|
作者：
Hiraguri, Y [1 ]
Katase, K [1 ]
Tokiwa, Y [1 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, AIST, Inst Biol Resources & Funct, Tsukuba, Ibaraki 3058566, Japan
来源：
JOURNAL OF MACROMOLECULAR SCIENCE-PURE AND APPLIED CHEMISTRY | 2005年 / A42卷 / 07期
关键词：
cyclic ketene acetals; poly(ester-ether); poly(ester); radical ring-opening polymerization; biodegradation;
D O I：
10.1081/MA-200063155
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
2-Methylene-1,3,6-trioxocane (MTC) and 2-methylene-1,3-dioxepane (MD) were synthesized and polymerized via ring-opening in the presence of a radical initiator. The obtained poly(ester-ether) (PMTC) and poly(ester) (PMD) were found to be enzymatically degradable by total organic carbon (TOC) analysis using lipase. The enzymatic degradability of PMTC was higher than that of PMD. PMTC and PMD were also found to be biodegradable with a biological oxygen demand (BOD)-tester using soil. The degradability of PMTC using soil was also higher than that of PMD. The higher degradability of PMTC by enzyme and soil are thought to be due to its higher hydrophilicity.
引用
收藏
页码：901 / 907
页数：7
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