偶氮基
- 名azo group
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实验结果表明:实验染料结构中的偶氮基和苯环对染料的可生化性有显著的影响;
The experimental results show that the azo group and benzene ring have marked influence on biodegradability ;
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用合成的含有偶氮基的大配体与稀土盐反应得到了三维聚合物,研究发现含有偶氮基的大配体对Dy离子具有明显的敏化荧光效应。
The large ligand containing azo group has been synthesized , and further reaction with lanthanide salt to obtain a 3-D polymer .
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研究了偶氮基(AZO)染料掺杂薄膜MO-PVA和EO-PVA的双光子存储特性。
The two-photon storage properties of azo dye doped MO-PVA and EO-PVA polymer film have been reported .
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研究LCP-POSS溶液的紫外光致异构行为,发现随着紫外光照时间增加,LCP-POSS的偶氮基元发生由反式向顺式构型的转变,其吸光强度逐渐降低。
The trans-isomers of azobenzene moieties in LCP-POSS were gradually transformed to cis-isomers with increasing the UV-irradiation time , accompanied by a decrease in the absorbance .
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羧基苯偶氮基杯[8]芳烃衍生物的合成及表征
The Synthesis and Characterization of Carboxylazocalix [ 8 ] arene Derivatives
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侧基含偶氮基的硅氧烷梳状聚合物的光致变色性
Photochromism of Comb-Like Polysiloxane Polymers Containing Azobenzene Side Groups
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偶氮基染料掺杂薄膜的双光子图象存储
Two-Photon Image Storage of AZO Dye Doped Polymer Films
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含一个或多个偶氮基的染料。
Any dye containing one or more azo groups .
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有色高聚物Ⅰ.含偶氮基的丙烯酸酯及酰胺的制备与聚合
Colored polymers ⅰ . preparation and polymerization of Azo-group containing acrylic esters and amides
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偶氮基在酸性介质中的还原均为不可逆四电子一步全还原。
All of the electro-reductions of azo groups are irreversible one-step and four-electron reductions .
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显色试剂5-(5-羧基-1,2,4-三氮唑偶氮基)水杨酸的合成及其与铜的显色反应
Synthesis of 5 - ( 5-carboxy-1,2,4-triazolylazo ) Salicylic Acid and Its Color Reaction with Copper
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荧光法研究对羧基苯偶氮基杯[8]芳烃与诺氟沙星的作用
Study on the Interaction between p-Octacarboxyphenylazocalix [ 8 ] arene and Norfloxacin by Fluorescence Spectrometry
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侧链型芳香族偶氮基聚氨酯的合成及其液晶态的研究
Synthesis and LC properties of a kind of side chain PU with aromatic azo - group
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这些研究表明,由于硝基和偶氮基具有强烈的吸电子性,好氧条件下很难降解。
These former papers show that nitroaromatics and azo dyes are strong electron attracting , which make them difficult to be biodegraded in aerobic conditions .
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重氮组份上引入甲氧基有明显的增色效应,重氮组份上偶氮基邻位带有能与踪式结构中亚胺基上形成氢键基团的染料上色性能好。
The presence of echo-substituents in diazo component which can form intermolecular hydrogen bond with imino group in the hydrozon form is in favour of the dyeing behaviors .
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结果表明,这些染料在厌氧条件下容易降解,在好氧条件下降解速率很慢,厌氧降解时偶氮基断裂生成胺基物。
The results showed that the dyestuffs were so easy to be degraded under anaerobic conditions that azo-group could cleave to be aniline sulfonic acid , but under aerobic conditions their decomposition was very slow .
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偶氮侧基聚合物光致异构动力学研究
Studies on photoinduced isomerization process of a side-chain azo polymer
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结果表明,偶氮乙烯基单体的吸收波长受结构因素的影响很大,共轭体系与吸电子基的存在均会导致其波长向长波长方向移动。
The changes of absorbing wavelength of12 kinds of azo-vinyl monomer copolymers synthesized according to documents were detected by spectrophotometer in alcohol .
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含有偶氮染料侧基的聚氨酯(脲)的研究
Study of Polyurethanes ( ureas ) Pendant with Azo - dye
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3-苯基偶氮-5-磺基水杨酸与钕(Ⅲ),铜(Ⅱ)络合物的合成与表征
Synthesis and Characterization of 3 phenylazo 5 sulfo salicylic Acid Complexes with
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含苯并噻唑偶氮发色侧基的两种非线性光学高分子
Two Nonlinear Optical Polymers Containing Benzothiazole Azo Side Group
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不同烷氧基取代偶氮染料对聚乙烯基咔唑基复合物光折变性能的影响
Effect of Azo Dyes with Different Length of Alkoxy Substituents on Photorefractive Properties of PVK - based Composites
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钴-4-[(5-溴-2-吡啶)偶氮]-1,3-二氮基甲苯分光光度法在食品分析中的应用
Application of 4 [ ( 5 bromine 2 pyridyl ) azo ] 1,3 diamino toluene cobalt in the spectrophotometric method of food analysis
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铬变酸偶氮类试剂的母体为铬变酸,由于铬变酸分子中2个羟基邻位的氢易被偶氮基所取代,因而可以得到一系列的单偶氮和双偶氮衍生物。
Owing to the ortho-position hydrogen atoms on two hydroxyl groups of chromotropic acid are easily to be substituted by azo groups , a series of monoazo and bisazo derivatives can be obtained .