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木质素磺酸-聚乙基苯胺复合物的银离子吸附性能 被引量:5
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作者 赖文辉 王坚持 +2 位作者 陈威涯 桂祖雁 吕秋丰 《林产化学与工业》 EI CAS CSCD 北大核心 2016年第3期36-42,共7页
以木质素磺酸(LS)为分散剂,通过原位聚合法制备了木质素磺酸-聚乙基苯胺(LSP)复合物,研究了LSP的银离子吸附性能。研究结果表明:LS的加入并未对聚乙基苯胺的结构造成破坏;LS不同添加量情况下制备的LSP复合物的银离子吸附性能有较... 以木质素磺酸(LS)为分散剂,通过原位聚合法制备了木质素磺酸-聚乙基苯胺(LSP)复合物,研究了LSP的银离子吸附性能。研究结果表明:LS的加入并未对聚乙基苯胺的结构造成破坏;LS不同添加量情况下制备的LSP复合物的银离子吸附性能有较大差异;同时,吸附时间、银离子初始浓度及吸附温度均对LSP复合物的银离子吸附性能有较大影响。当LS添加量为10%时制备的复合物LSP10对银离子具有最优吸附效果,其饱和吸附容量可达1 799.8 mg/g。对吸附溶液p H值的变化及LSP10吸附银离子后产物的分析表明,LSP10对银离子的吸附过程中发生了离子交换和氧化还原反应,银离子被还原成直径为8~72 nm的银纳米颗粒。 展开更多
关键词 木质素磺酸 聚乙基苯胺 复合物 银离子 吸附
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Charicteristic of a novel optoelectronic polymer and related device fabrication 被引量:1
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作者 SUN Jian-yuan HE Zhi-qun +4 位作者 HAN Xiao WANG Bin WANG Yong-sheng LIU Ying-liang CAO Shao-kui 《Optoelectronics Letters》 EI 2007年第2期103-105,共3页
In this paper a preliminary investigation of a novel optoelectronic polymer, poly (p-phenylene N-4-n-butylphenyl-N,N-bis- 4-vinylenephenylamine) (PNB), is reported. A single layer structure of ITO/PNB/Al was prepared ... In this paper a preliminary investigation of a novel optoelectronic polymer, poly (p-phenylene N-4-n-butylphenyl-N,N-bis- 4-vinylenephenylamine) (PNB), is reported. A single layer structure of ITO/PNB/Al was prepared via spin-coating of PNB solution as a thin film on the top of an ITO substrate, while aluminum top electrode was vacuum evaporated. Dark current- voltage characteristics of this device showed a typical rectifying behaviour. Photovoltaic response under a monochromatic illumination at 420 nm was observed, with an open circuit voltage of 0.3 V and fill factor of 0.21. Spectral response and optical absorption were found to be matched well. It was also discovered that the device showed a green electroluminescent emission at a forward bias. Turn-on voltage of the device was about 6 V and light output about 22.6 nW at a forward bias of 10 V. The work demonstrated that the PNB material might possess dual exciton sites resulting in a competition for excitons to be either separated or recombined. Both effects were associated with each other, which limited the photovoltaic or electroluminescence to some degrees. 展开更多
关键词 光电子聚合物 p-亚苯N-4-n-丁苯-N N-bis-4-次亚乙烯苯胺聚合物 PNB 相关器件 制造
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CATALYSIS OF POLYSTYRENE N-HYDROXYL SULFONAMIDE FOR ESTERIFICATION OF BUTANOL WITH ACETIC ANHYDRIDE 被引量:1
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作者 LIShufeng LIQian +1 位作者 YANGXinlin HUANGWenqiang 《Chinese Journal of Reactive Polymers》 2004年第1期1-6,共6页
Polystyrene N-hydroxyl sulfonamide resin 1 was prepared and used to catalyze the esterification of n-butanol and acetic anhydride. The mechanism of catalytic esterification proved by IR spectra of the resins was found... Polystyrene N-hydroxyl sulfonamide resin 1 was prepared and used to catalyze the esterification of n-butanol and acetic anhydride. The mechanism of catalytic esterification proved by IR spectra of the resins was found that O-H and N-H of the N-hydroxyl sulfonamide resin reacted with the acetic anhydride respectively to form the active intermediate polystyrene N,O-diacetyl sulfonamate which was cleaved by n-butanol to produce butyl acetate. The catalytic esterification by resin 1 was in good agreement with the kinetic model of 揵i-bi-ping-pong?mechanism. 展开更多
关键词 Polystyrene N-hydroxyl sulfonamide N O-diacetyl sulfonamate Esterification kinetics Acyl transfer.
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