| 微乳液聚合制备聚 N-异丙基丙烯酰胺温敏超细微粒 |
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| 引用本文： | 郭振良,王锦堂,朱红军.微乳液聚合制备聚 N-异丙基丙烯酰胺温敏超细微粒[J].高分子学报,2001(4):489-493. |
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| 作者姓名： | 郭振良 王锦堂 朱红军 |
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| 作者单位： | 1. 烟台师范学院化学系,
2. 南京化工大学应化系, |
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| 摘 要： | 通过微乳液聚合制备了未交联及交联的聚N 异丙基丙烯酰胺 (L PNIPAM及CL PNIPAM)超细微粒 .CL PNIPAM的聚合动力学方程为 :Rp=kM]1 1 6 E]- 1 2 0 I]0 5 3.测得其平均微粒粒径约 10 0nm .用SEM ,迎头色谱法测得交联的CL PNIPAM超细微粒的内比表面积为 49 0 48m2 g ,孔径大小为 1～ 10nm .气体吸附量为1784 8cm3 g .用浊度法及目视法研究了其在水介质中的温敏特性 ,测得其相变温度为 31 5℃
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| 关 键 词： | 微乳液聚合 超细微粒 聚N异丙基丙烯酰胺 温度敏感性 相变温度 |
| 修稿时间： | 2000年9月16日 |
PREPARATION OF TEMPERATURE SENSITIVE ULTRAFINE PARTICLES OF POLY(N-ISOPROPYL ACRYLAMIDE) BY MICROEMULSION POLYMERIZATION |
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| GUO Zhenliang.PREPARATION OF TEMPERATURE SENSITIVE ULTRAFINE PARTICLES OF POLY(N-ISOPROPYL ACRYLAMIDE) BY MICROEMULSION POLYMERIZATION[J].Acta Polymerica Sinica,2001(4):489-493. |
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| Authors: | GUO Zhenliang |
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| Abstract: | The ultrafine particles of linear and cross\|linked poly( N \|isopropyl acrylamide) were prepared by microemulsion polymerization.The polymerization kinetic equation was derived: R p=K M] 1 16 E] -1 20 I] 0 53 .The average diameter of ultrafine particles was 100?nm.The structures of the ultrafine particle were studied by SEM and front chromatography techniques. The specific surface area, pore size and adsorbent maximum were 49\^048?m\+2/g, 1～10?nm and 1784\^8?cm\+3/g,respectively.The sensitive temperature in water medium was found to be 31\^5℃ by turbidimetric method and visual method. |
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| Keywords: | Microemulsion polymerization Ultrafine particle Poly( N isopropy acrylamide) Temperature sensitivity Phase transition temperature |
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