| 聚对羟基苯乙烯吸附树脂的合成及对咖啡因的吸附机理研究 |
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| 引用本文： | 许名成,刘菊湘,范云鸽,史作清,施荣富,金晓农,何炳林,徐满才.聚对羟基苯乙烯吸附树脂的合成及对咖啡因的吸附机理研究[J].离子交换与吸附,2000,16(1):16-21. |
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| 作者姓名： | 许名成 刘菊湘 范云鸽 史作清 施荣富 金晓农 何炳林 徐满才 |
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| 作者单位： | 1. 吸附与分离功能高分子材料国家重点实验室,南开大学高分子所,天津300071
2. 湖南师范大学化学系,长沙410081 |
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| 基金项目： | 国家自然科学基金!29574164 |
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| 摘 要： | 用正庚烷／正丁醇、正庚烷／环己醇等混合溶剂为致孔剂合成了一系列具有不同比表面积的对羟基苯乙烯－二乙烯苯共聚物，并研究了这些共聚物对咖啡因的吸附性能。结果表明：凝胶型树脂吸附量小，而大孔型树脂吸附量大且比表面积对树脂的吸附量影响不明显。ＩＲ证实这类树脂吸附咖啡因时，氢键起了非常重要的作用。
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| 关 键 词： | 聚对羟基苯乙烯 咖啡因 吸附机理 吸附树脂 合成 |
| 修稿时间： | 1999-04-24 |
STUDY ON THE PREPARATION AND ADSORPTION MECHANISM FOR CAFFEINE IF POLY (P-HYDROXYSTYRENE) ADSORBENTS |
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| XU Mingcheng,LIU Juxiang,FAN Yunge,SHI Zuoqing,SHI Rongfu,JIN Xiaonong,HE Binglin,XU Mancai.STUDY ON THE PREPARATION AND ADSORPTION MECHANISM FOR CAFFEINE IF POLY (P-HYDROXYSTYRENE) ADSORBENTS[J].Ion Exchange and Adsorption,2000,16(1):16-21. |
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| Authors: | XU Mingcheng LIU Juxiang FAN Yunge SHI Zuoqing SHI Rongfu JIN Xiaonong HE Binglin XU Mancai |
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| Abstract: | Copolymers of Hydroxystyrene and divinylbenzene with different surface areas were prepared by using n-hexane/n-butanol and n-hexane/cyclohexanol as porogent and the adsorption properties for caffeine of these copolymer beads were also studied. The results show that the adsorption capacity of the gel-type adsorbents was low, while the adsorption capacity of the macroporous adsorbent was high. The influence of surface areaof the adsorbent on the adsorption capacity for caffeine was not apparent. Hydrogen bond was proved to play an important role in the adsorption for caffeine of this kind of adsorbent. |
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| Keywords: | Poly(p-hydroxystyrene) adsorbents Caffeine Adsorption mechanism |
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