PREPARATION AND STUDIES OF TEMPERATURE SENSITIVE POLY( N-ISOPROPYLACRYLAMIDE) MICROGELS CONTAINING FUNCTIONAL HYDROXYL GROUPS

MA Xiaomei; ZHU Lu; XI Jingyu; ZHAO Xi'an; TANG Xiaozhen

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PREPARATION AND STUDIES OF TEMPERATURE SENSITIVE POLY( N-ISOPROPYLACRYLAMIDE) MICROGELS CONTAINING FUNCTIONAL HYDROXYL GROUPS

Research Article | 更新时间：2021-03-19

- PREPARATION AND STUDIES OF TEMPERATURE SENSITIVE POLY( N-ISOPROPYLACRYLAMIDE) MICROGELS CONTAINING FUNCTIONAL HYDROXYL GROUPS
- Acta Polymerica Sinica Issue 2, Pages: 197-202(2005)
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- Published：20 April 2005，
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MA Xiaomei, ZHU Lu, XI Jingyu, ZHAO Xi'an, TANG Xiaozhen. PREPARATION AND STUDIES OF TEMPERATURE SENSITIVE POLY( N-ISOPROPYLACRYLAMIDE) MICROGELS CONTAINING FUNCTIONAL HYDROXYL GROUPS. [J]. Acta Polymerica Sinica (2):197-202(2005)
DOI：

MA Xiaomei, ZHU Lu, XI Jingyu, ZHAO Xi'an, TANG Xiaozhen. PREPARATION AND STUDIES OF TEMPERATURE SENSITIVE POLY( N-ISOPROPYLACRYLAMIDE) MICROGELS CONTAINING FUNCTIONAL HYDROXYL GROUPS. [J]. Acta Polymerica Sinica (2):197-202(2005) DOI：

摘要

采用两步合成路线合成了二缩三乙二醇单甲基丙烯酸酯 (TREGMA)

并对其结构进行了表征 ;利用无皂乳液聚合法使N-异丙基丙烯酰胺 (NIPAM)、TREGMA和N

N-亚甲基双丙烯酰胺 (BA)交联共聚

制备了含有功能性羟基的温敏性微凝胶 .微凝胶的去溶胀性能研究表明

TREGMA的引入使得微凝胶的体积相转变温度得到提高

同时所制得微凝胶具有较好的温敏性 .该类微凝胶有望成为良好的生物医用材料.

Abstract

Triethyleneglycol monomethacrylate(TREGMA) was synthesized by two steps and characterized using IR and 1H-NMR．It then was copolymerized with N-isopropylaeryl-amide (NIPAM) using N

N-methylene bisacrytamide (BA) as crosslinker through surfaetant-free emulsion polymerization to prepare temperature-sensitive microgels containing functional hydroxy groups．Investigation on the deswelling behavior of the microgels indicated that the microgels prepared had good temperature sensitivity

and the incorporation of TREGMA made the volume-phase transition temperature of the microgels shifted to higher temperature This type of mierogels might be good candidate for biomedical materials．

关键词

二缩三乙二醇单甲基丙烯酸酯N-异丙基丙烯酰胺微凝胶温敏性

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