徐满才
功能高分子、天然产物分离纯化、有机合成及组合化学
个性化签名
- 姓名:徐满才
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学术头衔:
博士生导师
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学科领域:
高分子化学
- 研究兴趣:功能高分子、天然产物分离纯化、有机合成及组合化学
徐满才,1966年11月生于湖南常宁,1994年6月南开大学高分子化学与物理专业博士研究生毕业,获理学博士学位,现为湖南师范大学化学化工学院教授,有机化学专业博士生导师,有机化学、高分子化学与物理专业硕士生导师。任中国化学会会员,湖南省化学化工学会有机化学化工专业委员会副主任委员,《离子交换与吸附》编委,《精细化工中间体》编委。
主要研究方向为功能高分子、天然产物分离纯化、有机合成及组合化学。
1. 氢键吸附与氢键吸附剂:合成了几种氢键吸附剂,研究了吸附剂对某些模型分子的吸附机理,并成功地将氢键吸附剂应用于天然产物的提取分离。
2. 多功能吸附树脂:合成了具有吸附-脱色、吸附-分子筛分等多种功能的吸附树脂,提出了凝胶型吸附树脂的概念,成功地将多功能吸附树脂应用于从有机溶剂中吸附分离有机化合物。
3. 功能高分子材料的组合合成和筛选:利用组合化学方法合成和筛选出了催化活性很高的聚合物相转移催化剂,建立了吸附分离功能高分子材料的组合合成和筛选方法。
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471
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成果数
11
徐满才, Wenwen Liao, Shuqin Gao, Xianglin Xie, Mancai Xu
Journal of Applied Polymer Science DOI 10.1002/app,-0001,():
-1年11月30日
In the present study, a novel hydrophobic/hydrophilic polystyrene/polyamide interpenetrating poly-mer network (PS/PAM IPN) was synthesized and its mo-lecular structure was characterized by Fourier transforminfrared ray (FT-IR) spectrum, chomical analysis, swelling test, and N2 adsorption-desorption experiment. The obtained PS/PAM IPN was employed as a polymeric ad-sorbent to adsorb quercetin from aqueous solution, and the adsorption thermodyanmics were calculated according to thermodynamic equations. It was found that no chemi-cal bond was formed between PS and PAM and PS/PAM IPN held characters of amphiphilic polymer network (APN). The adsorption isotherms could be well fitted by Freundlich isotherm, and the adsorption was shown to bean exothermic, spontaneous, and more ordered process. The total adsorption capacity from the column adsorption experiment was measured to be 8.6 mg/mL wet resin, and the adsorbed quercetin on PS/PAM IPN could be easily desorbed by 10% of hydrochloric acid-ethanol.
interpenetrating polymer network, amphiphilic polymer network, hydrophobic/, hydrophilic, adsorption, quercetin
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徐满才, Jianhan Huang a, Yun Zhou b, c, Kelong Huang a, Suqin Liu a, Qiong Luo a, Mancai Xu b, ∗
Journal of Colloid and Interface Science 316(2007)10-18,-0001,():
-1年11月30日
Macroporous cross-linked poly(N-methyl-N-p-vinylbenzylacetamide)(PMVBA),poly(N-methyl-N-p-vinylbenzylcaprolactam)(PMVBC),and poly(N-methyl-N-p-vinylbenzylurea)(PMVBU) were synthesized and their adsorption behavior for phenol in cyclohexane was investigated.The results indicated that the adsorption capacities of phenol on the three adsorbents followed the order PMVBU>PMVBA>PMVBC.Adsorption isotherms of phenol on the three polymeric adsorbents were measured and correlated to a Freundlich isotherm.Adsorption enthalpy,adsorption Gibbs free energy,and adsorption entropy were calculated using thermodynamic function relationships.It was found that the adsorption enthalpy of phenol on PMVBU was almost twice that on PMVBA and PMVBC.Analysis of the adsorption mechanism suggested that hydrogen bonding was the primary driving force for phenol adsorbed on the adsorbents in cyclohexane,and multiple hydrogen bonding was involved for PMVBU with phenol.
Polymeric adsorbents, Phenol, Adsorption, Hydrogen bonding
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徐满才, Guqing Xiaoa.b, Shuqin Gaoa, Xianglin Xiea and Mancai Xua*
Polym. Adv. Technol. (2009),-0001,():
-1年11月30日
The macroporous polydivinylbenzene/poly(methyl acrylate) interpenetrating polymer network (PDVB/PMA IPN) was prepared by the sequential suspension polymerization method. and was modified to be hydrophobic-hydrophilic macroporous polydivinylbenzene/poly (sodium acrylate) IPN (PDVB/PNaA IPN) by converting the PMA to PNaA under the condition of base. The effects of different mass ratio of the two networks and different cross-linking degree of the second network on the pore structure and adsorption capacity of PDVB/PNaA IPN resin were studied. The PDVB/PNaA IPN resin whose adsorption quantity is the biggest was chosen to study further. The pore structure, the weak acid exchange capacity. the water retention capacity. and the swelling ability of PDVB/PNaA IPN resin were measured. The study focused on the adsorption isotherms of berberine at different temperatures. lsosteric adsorption enthalpy. adsorption Gibbs free energies can be calculated according to thermodynamic functions. The resuks show that the saturated adsorption quantity of berberine is up t0 109.4 mg ml-l (wet resin) by the way of dynamic adsorption and desorption experiment. The resin could be reused by the mixture with 0.5% sodium chloride and 80% ethanol. On the one hand the hydrophobic PDVB in the PDVB/PNaA IPN resin has the ability of adsorption usingπ-π interaction. and on the other hand the hydrophilic PNaA in the PDVB/PNaA IPN resin has the ability of adsorption using ion exchange interaction. An important conclusion can be drawn that the PDVB/PNaA IPN resin has a promising application prospect in extracting and separating quaternary ammonium type alkaloids such as berberine.
hydrophobic-hydrophilic, PDVB/, PNaA IPN resin, synthesis, berberine, adsorption
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徐满才, Man-Cai Xu a, *, Yun Zhou a, c, Jian-Han Huang b
Journal of Colloid and Interface Science 327(2008)9-14,-0001,():
-1年11月30日
Efficient removal of phenol and its derivatives from wastewater is of significant environmental concern. In the present study, the adsorption behaviors of three polymeric adsorbents with amide groups, PMVBA, PMVBC, and PMVBU, for phenol were investigated in aqueous solution. The adsorption in relation to the solution pH value was discussed and the neutral pH was optimum. The adsorption dynamic cure was determined and it was shown that the pseudo-second-order rate equation characterized the adsorption better and the intraparticle diffusion was the rate-limiting step. The adsorption isotherms were measured and correlated to Freundlich isotherms, and it was shown that PMVBU held the largest adsorption capacity. The adsorption thermodynamic parameters were calculated and it was seen that the adsorption enthalpy of phenol onto the three adsorbents follows the order PMVBU > PMVBA > PMVBC. Analysis of the adsorption mechanism suggested that hydrogen bonding played a predominant role and multiple hydrogen bonding was involved for phenol and PMVBU.
Polymeric adsorbent Phenol Adsorption Hydrogen bonding
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徐满才, Mancai Xu a, b, *, Zhize Ou a, Zuoqing Shi b, Mincheng Xu b, Haitao Lia, Shanxin Yu a, Binglin He b
Reactive & Functional Polymers 48 (2001)85-95,-0001,():
-1年11月30日
A phase transfer catalyst library with 50 kinds of polystyrene-supported quaternary ammonium salt catalyst was synthesized by the reaction of 10 kinds of chloromethylated crosslinked polystyrene with five tert-amines using the portioning-mixing method. The Br/I anion exchange reaction of hexyl-bromide and borohydride reduction of acetophenone were used as the probing reactions to screen out the most active catalysts for each reaction using the iterative deconvolution method. For the Br/I anion exchange reaction of hexyl-bromide, the catalytic activity of the phase transfer catalyst was mainly affected by the lipophilicity of the active sites, and the most active catalyst was a macroporous strongly basic anion exchange resin (1). However, for the borohydride reduction of acetophenone, a gel-type (microporous) strongly basic anion exchange resin (2) was the most active catalyst, and a hydrogen bonding promoted catalytic mechanism was proposed to explain the high catalytic activity of the catalyst.
Polystyrene-supported quaternary ammonium salt, Phase transfer catalysis, Combinatorial chemistry, Nucleophilic substitution, Borohydride reduction
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【期刊论文】Synthesis and Adsorption Property of Two Polymeric Adsorbents with Pendent Ether Bonds
徐满才, Jian Gou HUANG, Man Cai XU, , *, Hai Tao LI, Zuo Qing SHI, Bin Lin HE
Chinese Chemical Letters VoL.14 No.9 (2003)914-916,-0001,():
-1年11月30日
Two polymeric adsorbents, poly(methyl p-vinylbenzyl ether) and poly(phenyl p-vinylbenzyl ether), were synthesized from chloromethylated polystyrene. Their adsorption property for phenol in hexane solution was investigated. The results showed that the two adsorbents adsorb phenol from hexane solution through hydrogen-bonding and π-π stacking interaction.
Poly(, methyl p-vinylbenzyl ether), , poly(, phenyl p-vinylbenzyl ether), , adsorption, hydrogen-bonding, π-π stacking interaction
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【期刊论文】Isotherm analysis of phenol adsorption on polymeric adsorbents from nonaqueous solution
徐满才, Haitao Li a, b, ∗, Mancai Xu a, Zuoqing Shi b and Binglin He b
Journal of Colloid and Interface Science 271 (2004)47-54,-0001,():
-1年11月30日
thalpy was quantitatively correlated with the fractional loading for the sorption of phenol onto the three polymeric adsorbents. The surface energetic heterogeneity patterns of the adsorbents were described with functions of isosteric enthalpy. The results showed that the tested three polymeric adsorbents exhibited different surface energetic heterogeneity patterns. The initial isosteric enthalpy of phenol sorption on polymeric adsorbent has to do with the surface chemical composition and is free from the pore structure of the polymeric adsorbent matrix. Forming hydrogen bonds between phenol molecules and adsorbent is the main driving force of phenol sorption onto PVBA and PMMA adsorbent from nonaqueous solution. When phenol is adsorbed on PMMA/PS, π–π interaction resulting from the stacking of the benzene rings of the adsorbed phenol molecules and the pendant benzene ring of adsorbent is involved.
Sorption, Isotherm, Isosteric enthalpy, Polymeric adsorbent, Phenol
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徐满才, Rongfu Shi a, Mancai Xu a, b, Zuoqing Shi a, *, Yunge Fan a, Xianzhi Guo a, Yongning Liu a, Chunhong Wang a, Binglin He a
Reactive & Functional Polymers 50 (2002)107-116,-0001,():
-1年11月30日
Polymeric adsorbents with both functions of adsorption and decolorization were synthesized by introducing quaternary ammonium groups (e.g.-N﹢(CH) groups) into conventional resinic adsorbent used to adsorb stevia glycosides in production. The relation between the adsorption capacity of the bifunctional adsorbents for stevia glycosides and the structure of adsorbents, and that between the decolorization efficiency and the structure were investigated. The results revealed that the adsorption capacity for stevia glycosides decreased somewhat as the increase of the content of quaternary ammonium groups in the adsorbent, while the decolorization efficiency increased. Adsorbents containing about 0.6-0.8 mmol/g of -N+(CH) groups showed both high adsorption capacity and high decolorization efficiency, and showed adsorptive selectivity for the small-sized components of stevia glycosides. Mechanism of adsorption and decolorization was also studied, and revealed that adsorption of stevia glycosides was based on hydrophobic interactions, but decolorization was 1 based on both ion exchange and hydrophobic interactions. Introduction of -N+(CH) groups into polymeric adsorbent also changed the adsorption selectivity for various stevia glycosides, and thus the bifunctional adsorbent could be used to prepare stevia glycosides with high content of rebaudioside A.
Polymeric adsorbent, Stevia glycosides, Adsorption, Decolorization, Hydrophobic interactions, Ion exchange
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【期刊论文】Thermodynamics aspect of tannin sorption on polymeric adsorbents
徐满才, Haitao Li a, b, *, Yinchun Jiao a, Mancai Xu a, Zuoqing Shi b, Binqlin He b
Polymer 45 (2004)181-188,-0001,():
-1年11月30日
Hypercrosslinked polydivinylbenzene and gel type poly(styrene-co-divinylbenzene) post-crosslinked with isocyanuric acid and macroporous crosslinked poly (N-vinyl acetamide) adsorbent were prepared for adsorbing tannin from aqueous. The sorption isotherms were measured and the isosteric enthalpy was quantitatively correlated with the fractional loading for the tannin sorption onto the three polymeric adsorbents. Surface energetic heterogeneity was observed for the three adsorbents and described with the functions of isosteric enthalpy. The causative factors of the surface heterogeneity of the adsorbents and the mechanism of tannin sorption onto the adsorbents from aqueous were discussed. It was suggested that multiply hydrogen bonding, π-π interaction and hydrophobic interaction were involved in tannin adsorption onto the polymeric adsorbents.
Polymeric adsorbent, Surface heterogeneity, Isosteric enthalpy
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徐满才, 黄贱苟, , 李海涛, 史作清, 何炳林
物理化学学报,2003,19(3):208~211,-0001,():
-1年11月30日
合成了大孔交联聚(N-甲基-N-对乙烯基苄基乙酰胺)树脂,测定了树脂对环己烷溶液中苯酚的吸附等温线,根据热力学函数关系计算了等量吸附焓、吉布斯吸附自由能和吸附熵,推测吸附过程为氢键吸附, 同时,通过比较树脂对环己烷溶液中苯酚和邻硝基苯酚的吸附性能的差别,进一步论证了大孔交联聚(N-甲基-N-对乙烯基苄基乙酰胺)树脂对非水体系中酚类物质的吸附是基于氢键作用的机理。
大孔交联聚(, N-甲基-N-对乙烯基苄基乙酰胺), 树脂, 非水体系, 酚类, 氢键, 吸附机理
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