A preparation process to synthesize pigment brown 25 in one-step from 2,5-dichloroaniline and n-(2,3-dihydro-2-oxo- 1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide by diazotization in water phase medium is studied.
在水相介质中,利用重氮化反应,研究了2,5-二氯苯胺与5-(2′-羟基-3′-萘甲酰胺基)-苯并咪唑-2-酮一步合成得到颜料棕25的制备工艺,并采用正交设计方案讨论了分散剂用量、反应温度和时间、介质的pH等因素对颜料着色力和色光的影响,得到的最佳工艺条件为:偶合过程中,分散剂的质量分数为2%(反应物总质量计),偶合介质的pH=6。
Preparation of cationic polymers from styrene maleic anhydride copolymer and its dispersing of pigments;
苯乙烯马来酸酐共聚物的阳离子化改性及其对颜料的分散
Influence of pigment properties on the friction performance of coated paper;
颜料特性对涂布纸表面摩擦性能影响的研究
Preparation and Spectra Characterization of Optically Variable Pigments with Four Symmetrical Configurations;
四层对称结构随角异色颜料制备与光谱特性研究
Preparation and Characterization of Cr_2O_3 System Optically Variable Pigments;
氧化铬着色的随角异色颜料的制备与性能研究
The stability of pigments and coating colors has a significant effect on coating processes and the quality of coated paper products,but the relevant existing research techniques cannot meet with the requirement of specific applications.
颜料与涂料的稳定性对涂布过程和涂布纸的质量有较大影响,但现有的稳定性能研究方法不能满足生产需要。
orange and purple pigments were measured by UV-visible spectrophotometer and in the model formulations.
使用紫外-可见分光光度计测得了黄、蓝、橙、紫4种颜料的紫外吸收图谱;在模型化的丝印油墨配方中改变光引发剂的种类,运用指压法和指抠法研究了多种光引发剂对含有这4种颜料的UV油墨的引发速度的影响。
Produce control of quality for artifactious paper of paint fabric;
颜料涂布加工纸质量的生产控制
By adding a solution of Cu(NO 3) 2 and a solution of AgNO 3 in different proportions to an aqueous solution of K 2HgI 4 ,a series of reversible thermochromic paints Ag m Cu n HgI 4( m+n =2)were synthesized.
将Cu(NO3 ) 2 和AgNO3 溶液以不同比例同时加入K2 HgI4水溶液中合成了系列AgmCunHgI4(m +n =2 )可逆热致变色颜料。
A recently researched and applied technique of physicalchemical and biological treatment of wastewater from painting ink industries are detailed in this article.
本文详细阐述了颜料油墨废水的物化、生化法综合治理技术及其在工程中的实际应用，针对该行业废水的特点，该技术可以有效去除水中的悬浮物、有机物、色度及有毒有害物质，使出水达标排放。
The dispersion and heat tolerance of several domestic and foreign fluorescent pigments in plastic were compared.
比较了国内外几种不同颜色的荧光颜料在塑料中的分散性和耐热性,发现进口K系列颜料的分散性和耐热性优于国产AX、FH系列颜料,随着温度的提高,颜料的分散性有所改善;大部分进口K系列颜料本身的耐热性及其在塑料中的耐热性优于国产AX、FH系列,而国产FH绿色荧光颜料的耐热性优于进口K系列的同颜色产品。
In this paper, a kind of micro sphere fluorescent pigment with high solvent resistancewas prepared by using two-approachs method, and the benzene substitutedmelamine-formaldehyde-melamine copolymer(BMFM) was employed as carrier resin.
本文采用分段合成工艺制得了微球形耐溶剂荧光颜料复合体系，采用改性苯代三聚氰胺-甲醛-三聚氰胺三元共聚物作为载体树脂。