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Chinese Science Bulletin 2008年第17期53卷 2617-2623页

作者： LONG Yi SUN Yang WANG Ying XING XiaoCui ZHAO Zhuo WANG ChunHong fan yunge MI HuaiFeng Key Laboratory of Functional Polymer Materials of Ministry of Education Institute of Polymer Chemistry Nankai University Tianjin 300071 China

Here, we introduce a new type of molecular imprinted polymer (MIP) with immobilized assistant recognition polymer chains (ARPCs) to create effective recognition sites and with bacterial cloned protein as template for adsorbing the low content target protein from cell extract. In this work, cloned pig cyclophilin 18 (pCyP18), a peptidyl-prolyl cis/trans-isomerase, was used as template. The template protein was selectively assembled with ARPCs from their library, which consists of numerous limited length polymer chains with randomly distributed recognition sites of positively charged amino groups and immobilizing sites. These assemblies were adsorbed by porous microsphers and immobilized on them. After removing the template, binding sites complementary to the target protein in size, shape and the position of recognition groups were exposed, and their confirmation was preserved by the cross-linked structure. The synthesized MIP was used to adsorb the cellular pCyP18, and its proportional content was enriched more than hundred times. The extended experiment on imprinting bovine serum albumin (BSA) with ARPCs shows that this method is also suitable for large protein.

关键词：分子印迹聚合体蛋白质生物化学聚合物链

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聚苯乙烯型双季铵树脂的制备及性能研究

离子交换与吸附 2006年第6期22卷 512-518页

作者：范云鸽史作清南开大学高分子化学研究所天津300071 南开大学高分子化学研究所

三乙烯二胺和四甲基乙二胺与氯甲基聚苯乙烯反应,得到同时含有季铵和叔胺的强-弱碱型树脂,再用碘甲烷季铵化叔胺,制备聚苯乙烯双季铵树脂;另一种方法是将二甲基苄胺型叔胺树脂用4-溴丁基三甲基溴化铵季铵化引入4碳链双季铵基团。反应结... 详细信息

三乙烯二胺和四甲基乙二胺与氯甲基聚苯乙烯反应,得到同时含有季铵和叔胺的强-弱碱型树脂,再用碘甲烷季铵化叔胺,制备聚苯乙烯双季铵树脂;另一种方法是将二甲基苄胺型叔胺树脂用4-溴丁基三甲基溴化铵季铵化引入4碳链双季铵基团。反应结果表明,两类强弱碱基树脂的季铵化反应结果并不理想,二甲基苄胺型叔胺树脂季铵化反应的转化率最高为36%。考察了这些新型双季铵树脂的热稳定性及对水溶液中有机酸(如苯磺酸和对-硝基苯乙酸)的吸附、脱附性能。

关键词：聚苯乙烯双季铵树脂三乙基二胺四甲基乙二胺有机酸吸附脱附

ADSORPTION DYNAMICS OF MACROPOROUS POLYMERIC ADSORBENT Ⅱ. The Studies on the Film Diffusion Mass-Transfer Process

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Chinese Journal of Reactive Polymers 2000年第1期9卷 90-96页

作者： WANG Chunhong XU Mingcheng SHI Zuoqing fan yunge FI Chengiie Institute of Polymer Chemistry Nankai University Tianjin 300071

The film diffusion mass-transfer process of adsorption of phenol on macroporous polystyrene resin was investigated in detail In order to revise the Boyd film diffusion kinetics equation, the out-surface structure of the macroporous resin and that of gel-type ion-exchange resin was compared and the new film diffusion equation was also suggested. These results showed that the film diffusion was influenced by porosity of the macroporous resin greatly, which differed from the film diffusion behavior of ion-exchange resin obviously.

关键词： Adeorption dynamics. Film diffusion Phenol. Diffusion coefficient

ADSORPTION DYNAMICS OF MACROPOROUS POLYMERIC ADSORBENT *** Studies on the Particle Diffusion Mass-Transfer Process

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Chinese Journal of Reactive Polymers 2000年第1期9卷 81-89页

作者： WANG Chunhong XU Mingcheng SHI Zuoqing fan yunge JI Chengjie Institute of Polymer Chemistry Nankai University Tianjin 300071

The adsorption dynamics for phenol in aqueous solution of the adsorbent based on polystyrene was studied. In order to distinguish with the Boyd quasi-homogeneous model of the inner structure of ion-exchanger, the particle diffusion model including surface diffusion model and pore diffusion model was suggested which is suitable to the macroporous adsorbent. The diffusiondetermination step of the adsorption process was established and the effective diffusion coefficient was also determined. The influence of surface diffusion and pore diffusion on the particle diffusion rate was investigated qualitatively. All of these were very important to improve the structure of the macroporous adsorbent in order to improve the mass-transfer rate.

关键词： Adsorption Dynamics. Particle Diffusion Surface Diffusion Particle Diffusion Diffusion Coefficient

CHLOROMETHYLATION OF POLYMERS MADE FROM TECHNICAL DIVINYLBENZENE AND PROPERTY OF THE CHLOROMETHYLATED POLYMERS

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Chinese Journal of Reactive Polymers 2001年第1期10卷 15-20页

作者： SHI Rongfu XUMancai SHI Zuoqing WANG Chunhong fan yunge FENG Junqian HE Binglin The State Key Laboratory of Functional Polymer Materials for Adsorption and Separation Institute of Polymer ChemistryNankai UniversityTianjin 300071P.R.China Department of Chemistry Hunan Normal UniversityChangsha 410081P.R.China

The goal of this paper was to reveal the feasibility of chloromethylation of polymers made from technical divinylbenzene so as to introduce functional groups into polymeric adsorbents. For this study, the factors that effect the chloromethylation reaction, such as the pore structure of the polymer, the ratio of the reactants to catalyst, the reaction temperature and reaction time and so on were investigated, and the pore structure and property of the chloromethylated polymers were studied. The results showed that polymers of technical divinylbenzene could be chloromethylated successfully, and the adsorptive property of the chloromethylated resin was different from that of the initial resin.

关键词： Chloromethylated polymer Polydivinylbenzene Adsorption

SYNTHESIS AND STRUCTURE OF MACROPOROUS MA-TMPTA COPOLYMERS AND THEIR APPLICATION IN ADSORPTION OF FLAVONOIDS FROM GINKGO LEAVES EXTRACT

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Chinese Journal of Reactive Polymers 2000年第1期9卷 29-33页

作者： SHI Zuoqing XU Mancai FENG Lili XU Mingcheng SHI Rongfu fan yunge HE Binglin The State Key Laboratory of Functional Polymeric Materials for Adsorption and Separation Institute of Polymer ChemistryNankai UniversityTianjin 300071 Department of Chemistry Hunan Normal UniversityChangsha 410081

Spherical macroporous copolymers of methyl acrylate and trimethylolpropane triacrylate with different surface and pore structure were synthesized via suspension polymerization. and their surface and pore structure were characterized by measurements of surface area, apparent density and skeleton density and calculation of average pore diameter The results revealed that crosslinking degree and porogent determined the physical structure of these copolymers. Some of the copolymers were applied to adsorptive purification of ginkgo leaves extract to enhance the content of flavonoids, the results showed that most of the copolymers could be used to increase the flavonoids content.

关键词： Methyl acrylate-trimethylolpropane triacrylate copolymer. Flavonol. glycosides. Adsorption

ADSORPTION OF DINITROPHENOLS ONTO POLYMERIC ADSORBENTS AND ITS MECHANISM

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Chinese Journal of Reactive Polymers 2000年第1期9卷 34-41页

作者： SHI Zuoqing XU Mancai LIN Xue XU Mingcheng fan yunge SHIRongfu YANG Yizhong HE Binglin The State Key Lab.of Functional Polymeric Materials for Adsorption and Separation Institute of Polymer Chemistry Nankai UniversityTianjin 300071 Department of Chemistry Hunan Normal UniversityChangsha410081

The adsorption of 2,4-dinitrophenol and 2.6-dinitrophenol on non-polar and polar adsorbents was studied. The results showed that the equilibrium adsorption did not comply with the Langmuir equation and was not mono-layer absorption. It is of interest to notice that the effect of pH on the adsorption of 2.4-or 2,6-dinitrophenol onto ADS-7 and ADS-21 was very small. The result is explained by hydrogen bonding interaction between 2, 4- or 2. 6-dinitrophenol and the adsorbent ADS21. The large adsorption capacity of dinitrophenol onto ADS-21, which was about 500 mg/g at an equilibrium concentration of 400 mg/L. and the small dinitrophenol leakage in the effluent from ADS- 21 column presented a good prospect for treatment of wastewater containing dinitrophenol with absorbent ADS-21.

关键词： Dinitrophenols Adsorption Polymeric adsorbent Mechanism

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8-羟基喹啉树脂的制备及应用研究进展

离子交换与吸附 2001年第3期17卷 281-288页

作者：范云鸽史作清南开大学高分子化学研究所、吸附分离功能高分子材料国家重点实验室!天津 300071

本文总结了国内外关于8－羟基喹啉螯合树脂的制备方法，树脂性能及其应用。

关键词： 8-羟基喹啉螯合树脂

ADSORPTION OF PHENOL IN NON-AQUEOUS SYSTEM BASED ON HYDROGEN-BONDING

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Chinese Journal of Reactive Polymers 2000年第1期9卷 17-22页

作者： XU Mancai WANG Cairong SHI Zuoqing XU Mingcheng ZHANG Shang LI Haitao fan yunge HE Binglin Department ofChemistry Hunan Normal UniversityChangsha 410081China The State Key Lab of Functional Polymeric Materials for Adsorption and Separation Institute of Polymer Chemistry Nankai UniversityTianjin 300071China

Two hydrogen-bonding adsorbents-macroporous crosslinked poly(p-nitrostyrene) and poly(p-vinylbenzyl amide)--were synthesized, and the absorption property of phenol from cyclohexane solution onto the adsorbents was studied. The differential adsorption heats for varied adsorption capacities calculated from the adsorption isotherms according to the Clapeyron-Clausius equation lay in the range of hydrogen bond energy (8-50kJ/mol). The adsorption capacity of o-nitrophenol in cyclohexane was much less than that of phenol under the same condition. The adsorption capacity of phenol from cyclohexane onto polyacrylonitile was much less than that onto poly(p-nitrostyrene) or poly(p-vinylbenzyl amide). All these results revealed that adsorption of phenol from cyclohexane by poly(p-nitrostyrene) or poly(p-vinylbenzyl amide) is based on hydrogen-bonding.

关键词： Hydrogen-bonding adsorbent. Poly(p-nitrostyrene). Poly(p-vinylbenzyl amide) Phenol. Adsorption

ADSORPTION OF TANNIN FROM AQUEOUS SOLUTION ONTO MACROPOROUS CROSSLINKED POLY(N-VINYL-ACETAMIDE) VIA HYDROGEN BONDING

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Chinese Journal of Reactive Polymers 2000年第1期9卷 23-28页

作者： XU Mancai WANG Cairong XU Mingcheng SHI Zuoqing ZHANG Shang LI Haitao SHI Rongfu fan yunge HE Binglin Department of Chemistry Hunan Normal UniversityChangsha 410081China The State Key Laboratory of Functional Polymeric Materials for Adsorption and Separation Institute of Polymer ChemistryNankai UniversityTianjin 300071China

A strongly hydrophilic hydrogen-bonding adsorbent-macroporous crosslinked poly(N- vinyl-acetamide). which contain both hydrogen bond acceptor and donator, was synthesized. Adsorption mechanism and dynamic adsorption of tannin from aqueous solution onto the adsorbent were investigated. Most of the differential adsorption heats for various adsorption capacities calculated from the adsorption isotherms according to Clapeyron-Clausius equation lay in the range of hydrogen bond energy (8-50kJ/mol). Adsorption properties of the adsorbent were studied in detail. These results revealed a hydrogen bonding mechanism of the adsorption of tannin from aqueous solution onto the adsorbent. The result of the dynamic adsorption of tanning with the initial concentration under 600 mg/L showed that the adsorption rate of tannin exceeded 90% when the flow rate was 3BV/h and the effluent volume reached 100 BV. Therefore, the developed hydrogen-bonding adsorbent--macroporous crosslinked poly(N-vinyl-acetamide)—is an excellent adsorbent to remove tannin from extract of natural products. and has great value in application.

关键词： Hydrogen-bonding adsorbent. Poly(N-vinyl-acetamide) Tannin Adsorption