Two new types of bis-azo chromogenic acyclic crown ethers with brigded chains of azachains and terminals of phenolic hydroxyl and chromogens of 4-R benzenediazo groups 5 and 6 have been conveniently synthesized with good yields via coupling-bridging reactions from salicyladehyde,4-nitro (-chloro,-methoxy) benzeneamine,ethyldiamine and diethylenetriamine, respectively.
以水杨醛、对硝基(氯、甲氧基)苯胺、乙二胺、二乙烯基三胺为原料,经过先偶联后桥连的方法,合成了2类双偶氮生色开链冠醚,其结构特征是氮杂链作桥链,酚羟基作端基,对位取代的苯偶氮基作为生色基团,形成新的双偶氮化合物5和6的结构经元素分析,红外光谱和质谱得到确定。
Synthesis and optical properties of polyacrylates containing schiff-base chromophore;
含席夫碱生色团聚合物的合成及其光学性能
Synthesis and all-optical switching effect of novel polymer containing azobenzene chromophore side groups;
新型含偶氮苯生色团聚合物的制备和性能
Study of chromophore orientation dynamics in photorefractive polymer PVK∶5CB∶C_(60);
光折变聚合物PVK∶5CB∶C_(60)中生色团动态取向的研究
Two nonlinear optical thiazole chromophores with active hydroxyethyl group were designed and synthesized.
设计、合成了含羟乙基活性基团的噻唑类非线性生色分子,用IR,EA,1HMNR,UV-Vis和DSC-TG等对其结构和性能进行了表征,用超瑞利散射技术测定了其二阶极化率。
In this paper, in order to prepare nonlinear optical polymer materials with high nonlinear optical activity and thermal stability, nonlinear optical thiazole chromophores with highβvalues were designed and synthesized, two kind of nonlinear optical polyurethane composite materials were prepared, and the structures and properties of them were researched.
本文以制备具有高非线性活性和热稳定性的非线性光学材料为目的,设计合成了新型具有高二阶极化率的噻唑生色分子,制备了两种新型非线性光学聚氨酯复合材料,并对它们的结构和性能进行了研究。
The optic mechanism of the pigment is analyzed and the application and research of micaceous iron oxide pearlescent pigments are introduced.
讨论了利用钛白副产硫酸亚铁为原料制备云母氧化铁珠光颜料的生产方法,分析了云母氧化铁珠光颜料的生色机理,介绍了云母氧化铁的用途和前景、以及国内外研究现状与动态。
This paper makes a systematic study on application of negative absorption spectrophotometry in add colour photometry about chromogenic agent by colour compound and establishes dual wavelength spectrophotometry of positive and negative absorption that can determine real and signal absorbance of real absorption peak.
本文对负吸光度用于有色显色剂的生色法进行了系统的研究 ,提出了能测真实吸收峰的真实吸光度对信号吸光度的正、负吸光度双波长法。
Discussion on chromogenic factors for chlorinated paraffin and its countermeasures;
氯化石蜡生色因素及对策的探讨
The paper discusses the principle, type and the application of the colour forming reaction to the emergency investigation testing of the chemical accident and some matters needing attention.
本文论述了生色反应原理、生色反应类型和生色反应在化学事故应急侦检监测中的应用及应注意的有关问