铜酞菁磺酰胺衍生物对铜钛菁的表面处理

合成了一系列铜酞菁磺酰胺衍生物，并用它们对铜酞菁颜料进行表面处理以改进铜酞菁颜料的分散性、润湿性。通过研究初步认为：添加铜酞菁磺酰胺衍生物能提高铜酞菁颜料在水中的分散性，以添加５％具有短脂肪链的铜酞菁磺酰脂肪胺衍生物组份的分散率为最高。     

铜酞菁衍生物对铜酞菁颜料分散和润湿性的影响

合成了铜酞菁磺酰胺类衍生物,并用它们对铜酞菁颜料进行表面处理,以改进铜酞菁颜料的分散、润湿性。添加铜酞菁磺酰胺衍生物,可以提高颜料在水中的分散性,其中以脂肪链C_2～C_3的磺酰胺衍生物为好,表面处理时用量以铜酞菁量的5％为佳。经处理的铜酞菁颜料,其临界表面张力较未处理的有所下降。     

铜酞菁衍生物对铜酞菁颜料表面改性的研究

本文合成了几种铜酞菁的衍生物.用这些铜酞菁衍生物对β型铜钛菁颜料进行表面改性,以改进其分散性、流动性、色光和透明度.研究发现铜酞菁衍生物处理的颜料,在水中及甲苯中的分散性均有提高.     

铜酞菁衍生物对铜酞菁颜料表面改性的研究

本文合成了几种铜酞菁的衍生物。用这些铜酞菁衍生物对β型铜钛菁颜料进行表面改性，以改进其分散性、流动性、色光和透明度。研究发现铜酞菁衍生物处理的颜料，在水中及甲苯中的分散性均有提高。     

铜酞菁脂肪磺酰胺衍生物对铜酞菁表面改性的研究

合成了4种钢酞菁（CuPC）的脂肪磺酰胺衍生物，并用于对CuPC改性。讨论了该衍生物对CuPC颜料润湿性、分散性、抗絮凝性的影响。结果表明，改性后CuPC的润湿角随衍生物中取代烷基链增长而增大，在甲苯中的分散稳定性及在醇酸树脂涂料中的抗絮凝性明显提高。     

铜酞菁颜料抗絮凝性的研究

本文合成了7种铜酞菁甲胺衍生物,并与铜酞菁制备了不同的颜料组成物.通过测定颜料组成物在醇酸树脂中不同时间的粘度值的变化,研究了铜酞菁颜料的抗絮凝性能;发现铜酞菁甲胺类衍生物的添加可以改进其抗絮凝性,其中环己胺衍生物具有更优良的效果.     

溶剂法合成β-及ε-型铜酞菁

用溶剂法,以苯酐和尿素为原料合成β 型铜酞菁和ε 型铜酞菁。用来代替三氯苯和烷基苯合成β 型铜酞菁的溶剂是溶剂160S(主要含有二氯甲苯),它具有价格低和回收率高的优点。实验发现,溶剂160S法合成的产品w(β 型铜酞菁)>96%,收率>75%(以苯酐计算);在合成β 型铜酞菁的基本原料中加入适量的ε 型铜酞菁晶种和铜酞菁磺酰胺衍生物(苯胺和间甲苯胺),可以得到ε 型铜酞菁,晶种和衍生物质量分别为苯酐质量的15%和20%。     

溶剂法合成β-及ε-型铜酞菁

用溶剂法，以苯酐和尿素为原料合成β-型铜酞菁和ε-型铜酞菁。用来代替三氯苯和烷基苯合成β-型铜酞菁的溶剂是溶剂160S(主要含有二氯甲苯)，它具有价格低和回收率高的优点实验发现，溶剂160S法合成的产品纯度、w(β-型铜酞菁)高于96％，收率可达75％以上(以苯酐计算)：在合成β-型铜酞菁的基本原料中加入适量的ε-型铜酞菁晶种和铜酞菁磺酰胺衍生物(苯胺和间甲苯胺)，可以得到ε-型铜酞菁，晶种和衍生物质量分别为苯酐质量的15％和20％。     

铜酞菁的晶相调整及后处理研究(Ⅲ)——铜酞菁颜料的粒度控制和表面处理

本文对α-或β-铜酞菁颜料的几种干燥方法进行了比较研究,考察了干燥时毛细管凝聚与粒度控制的关系.并在α-铜酞菁颜料的干燥中运用了有机溶剂换相和固体盐沉淀干燥两种新法,而不致发生转相.本文较为系统地研究了各种表面活性剂对α-铜酞菁颜料进行了表面处理,以达到控制粒度,提高颜色强度,改善色光和分散性等目的.并用固体临界表面张力的测取,初步探索了表面处理改善颜料性能的原因.本文提出了表面活性剂在铜酞菁表面的吸附状态,即亲水性单点伸展吸附和亲油性多点围绕吸附.并讨论了由此引起的颜料分散稳定性的显著差别.     

纳米二氧化硅改性铜酞菁颜料的研究

铜酞菁颜料是一种重要的有机颜料,但极差的亲水性严重限制了其应用范围,随着人们环保意识的增强,有机颜料水溶性改性处理成为研究热点。采用溶胶-凝胶法制备了纳米二氧化硅包覆的铜酞菁颜料,并利用DLS、SEM、TEM、FTIR、XPS和粉末接触角等分析手段对改性颜料进行了表征,结果表明:铜酞菁颜料经二氧化硅处理后,其亲水性、热稳定性和分散性都得到很大提高。     

Adsorption characteristics of ionic and nonionic surfactants on hydrophobic pigment in aqueous medium

The current study is based on the investigation of the adsorption properties of ionic and nonionic surfactants on an organic hydrophobic pigment powder, namely, β‐copper phthalocyanine, in aqueous medium. The nonionic surfactants, selected systematically to represent varying degrees of ethoxylation, are nonylphenol ethoxylates, whereas the ionic surfactant is sodium oleate, a carboxylate‐type anionic reagent. The adsorption of surfactants was assessed qualitatively by surface analysis of powders, before and after the adsorption of the surfactants. The experimental results were explained by the structural and other properties of the surfactants and the surface properties of the pigment. The specific adsorption of surfactants on pigments was verified by zeta potential measurements, as they altered the zeta potential values to a great extent. Nonionic surfactants decreased the absolute value of the zeta potential of the powder; whereas anionic surfactant sodium oleate shifted the zeta potential to more negative values. On the one hand, Fourier Transform–infrared and X‐ray diffraction examinations of the pigments did not show any noticeable evidence for surfactant untreated or treated copper phthalocyanine. On the other hand, thermal analysis (both thermogravimetric and differential thermal analysis) showed clear evidence of the surfactants on both pigments, as substantial changes in thermogravimetric curves were assessed.     

改性铜酞菁颜料的性质研究

本文研究了带有部分基团取代的α型铜酞菁颜料的合成方法,采用红外光谱、X衍射、电镜扫描对其晶相稳定性进行了研究,并测试了其着色力、比表面积和抗絮凝性能.结果表明:掺入部分—SO_3NR′R、—Br取代及部分聚合铜酞菁,均能使α型铜酞菁在芳香烃溶剂中具有抗晶型转变和抗絮凝的优点.     

具有不同取代基金属酞菁衍生物改性SA/CS双极膜

分别用八羧基铜酞菁、四磺酸基铜酞菁对海藻酸钠阳膜和四氨基铜酞菁对壳聚糖阴膜进行了改性,制备了金属酞菁衍生物改性海藻酸钠/壳聚糖双极膜,并用热分析、电子万能试验机、接触角测定仪和J-V关系等对改性海藻酸钠/壳聚糖双极膜进行了表征。实验结果表明,金属酞菁衍生物改性海藻酸钠/壳聚糖双极膜的热稳定性、力学性能和亲水性均获得提高。金属酞菁衍生物在双极膜中间界面层形成高荷电区,促进了中间界面层水的解离,从而降低了海藻酸钠/壳聚糖双极膜的膜电压。具有不同取代基的金属酞菁衍生物对中间界面层水解离的催化能力不同,这与不同取代基的金属酞菁衍生物改性膜的亲水性大小有关。     

The growth and morphology of copper phthalocyanine on TiO2 nanotube arrays

Nanostructured copper phthalocyanine was deposited by thermal vacuum evaporation, spin-coating, immersion, and electrochemical reactions onto titania nanotubes prepared by the anodization of titanium foil so as to attain interdigited heterojunctions between them for improved interfacial contact. The effects of the titania's crystal structure on the deposition were analyzed. A sodium salt derivative of copper phthalocyanine was used to enhance its affinity to the titania. The deposited copper phthalocyanine could be grown and transformed into diverse morphologies such as polyhedrons, nanorods, and nanowires. The factors affecting the morphology of the deposited copper phthalocyanine were analyzed by SEM and crystal structure analysis.     

Irradiation of poly(vinyl chlorides). Part II. Effect of dynamic mechanical properties

The dynamic Young moduli of purified PVC and PVC derivatives were measured at room temperature during the course of irradiation by ultraviolet light at 2537 A. wave-length. The PVC derivatives with copper salicylate, ferrocene, or copper phthalocyanine were prepared by Friedel-Crafts reaction as described in the previous paper. The loss tangent decreased monotonically with irradiation time, while the dynamic modulus appeared to pass through a maximum. More pronounced variations in both E and tan 6 were observed for the PVC derivatives than for the purified PVC, owing to enhanced crosslinking and scission in the presence of the substituents. The gel permeation chromatograms of irradiated PVC samples have been observed to skew to the left, where low molecular weight material occurs. The decrease in E after long exposure was discussed in terms of molecular polydispersity of the soluble fractions of PVC.     

解析酞菁绿制造中的铜酞菁氯代反应机理

该文解析酞菁绿制造中的铜酞菁氯代反应机理,铜酞菁具有双分子结构,是酞菁绿的氯原子取代度最多只有15个的根本原因.铜酞菁氯代可以在固-固反应体系中进行,三氯化铝将氯气转化为固态,参与反应,反应历程最关键的步骤是生成σ络合物中间体,加入氯化亚铜作用的机理是防止中心离子脱落,加入氯化钠作用的机理是剥开铜酞菁粒子.铜酞菁氯代也可以在液-液反应体系中进行,焦硫酰氯将氯气转化为液态,参与反应,反应历程表明,氯磺酸很容易对铜酞菁进行酰氯化,首先得到磺酰氯基铜酞菁,然后的去SO2是整个反应的控制步骤.     

一种新型的可溶性铜酞菁衍生物的合成及其性能研究

通过将铜酞菁氯磺化后 ,与带活性羟基质子的苯酚反应 ,合成了一种与铜酞菁基体色光基本不变 ,但在有机溶剂中溶解度十分大的新型铜钛菁衍生物———铜酞菁磺酸苯酯。用元素分析、IR和热重分析等对其进行了表征。用UV光谱分析了产物的色光。测试了产物的溶解度和凝聚性能     

Hindered settling of organic pigment dispersions in hydrocarbon liquids

A modified Steinour hindered settling method has been developed for the study of dispersed organic pigment species containing a large proportion of associated immobile liquid. These species are termed flow units with effective volumes and densities different from those of the pigment itself. The effective volume and density are calculated from the final sediment volume fraction after correction (if practicable) by an appropriate packing factor. The mean flow unit diameter (or a size parameter) can then be estimated. The present method has been satisfactorily tested using formalin-fixed yeast cells as model flow units which can be sized readily by optical microscopy. Data for organic pigment dispersions compare well with their appearance under the optical microscope. Various uses of simplified versions of the present technique in studies of dispersibility and dispersion stability of organic pigments are described and exemplified using mainly copper phthalocyanine pigments in hydrocarbon solvents.     

Application of thermo-responsive poly(methyl vinyl ether) containing copolymers in combination with ultrasonic treatment for pigment surface modification in pigment dispersions

The process of surface modification of hydrophobic organic (copper phthalocyanine (CuPc)) as well as hydrophilic inorganic pigments (titanium dioxide) in aqueous dispersions by employing tailor-made thermo-responsive copolymers and the colloidal stability have been studied as a function of temperature. The pigment surface modification is achieved by conventional adsorption and by thermoprecipitation of amphiphilic methyl vinyl ether (MVE) containing block and graft copolymers, exhibiting a lower critical solution temperature (LCST), with poly(isobutyl vinyl ether) blocks and poly(ethylene oxide) side chains, respectively. The effect of mechanical treatment of the pigment dispersion by ultrasonic power alone or in combination with the LCST property was investigated. The course of the pigment surface coating process was followed by the electrokinetic sonic amplitude (ESA) method. The temperature-controlled sorption of PMVE-g-PEO graft copolymers on both inorganic and organic pigment surfaces was investigated. It was found that ultrasonic treatment together with LCST thermoprecipitation is a promising method for the surface modification of pigments with regard to dispersion stability.