direct dyes

同根派生

Pay attention on azo free problem on direct dye, some of the direct dye used are still not Azo free.
請(qǐng)注意在直接染色中的要求不含氮的問(wèn)題,有些在使用的直接染色仍然是含氮的。
It is used in the manufacturing of the fluorescent brightening agent, the direct dyes, the reactive dyes and the moth repellant, etc.
用途:用于制造熒光增白劑,直接染料、活性染料和防蛀蟲(chóng)劑。
The eco-friendly formaldehyde-free fixing agent using diethylenetriamine and dicyandiamide is synthesized and applied to fixation experiment of direct dyes.
以二乙烯三胺和雙氰胺為主要原料合成了一種符合環(huán)保要求的無(wú)甲醛固色劑,應(yīng)用到直接染料的固色實(shí)驗(yàn)中。
Mixing direct dye pansy with blue,fishing out the optimal technology of mixing colors. Guiding production and increasing the brightness of paper.
采用直接染料紫羅蘭和藍(lán)色混合 ,摸索最佳調(diào)色工藝 ,指導(dǎo)生產(chǎn) ,提高紙的白度
In addition, rapid colorimetric determination of benzidine compounds released from photo-assistant reduction of selected direct dyes was also conducted.
并借助聯(lián)苯胺類(lèi)直接染料，通過(guò)其還原生成物氧化后的光譜測(cè)定，表征了染料還原反應(yīng)生成的聯(lián)苯胺。