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- Pay attention on azo free problem on direct dye, some of the direct dye used are still not Azo free. 请注意在直接染色中的要求不含氮的问题,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:用于制造荧光增白剂,直接染料、活性染料和防蛀虫剂。
- The eco-friendly formaldehyde-free fixing agent using diethylenetriamine and dicyandiamide is synthesized and applied to fixation experiment of direct dyes. 以二乙烯三胺和双氰胺为主要原料合成了一种符合环保要求的无甲醛固色剂,应用到直接染料的固色实验中。
- Mixing direct dye pansy with blue,fishing out the optimal technology of mixing colors. Guiding production and increasing the brightness of paper. 采用直接染料紫罗兰和蓝色混合 ,摸索最佳调色工艺 ,指导生产 ,提高纸的白度
- In addition, rapid colorimetric determination of benzidine compounds released from photo-assistant reduction of selected direct dyes was also conducted. 并借助联苯胺类直接染料，通过其还原生成物氧化后的光谱测定，表征了染料还原反应生成的联苯胺。
- The active effects of the new process on enviroment protection are discussed.Using of direct dyes and reactive dyes can get better absorptivity and deeper color tone. 也讨论了其对环境保护的积极作用,如在使用直接染料和反应性染料染色时吸收更好并可获得更深的色调。
- The color fixing results and the influence on shade of the author-synthesized cationic polymeric dye-fixing agent were investigated by fixation of direct dyes. 通过对直接染料的固色,考察了所合成的阳离子高分子固色剂的固色效果,以及对染料色光的影响。
- The application of an amphoteric electrolyte in cotton fabrics with direct dyes is innovatively researched, and the synthesizing method of an amphoteric colour fixing agent is recommended. 对两性聚电解质在棉织物直接染料固色方面的应用进行了研究,介绍了一种新型两性固色剂的合成与应用。
- These dyes,most of which were azo-based dyes,acid dyes,direct dyes or reactive dyes,exhibited good application and fastness properties in use for inks.The color include black,magenta,yellow and cyan. 综述了墨水用黑色染料的技术进展,给出了一些最新开发的墨水用黑色染料的结构式。
- The results indicate that interrelationships do exist among the exhaustion rate of direct dye on viscose fibre, the iodine sorption value and fibre accessibility, and also the crystal length in the fibre structure. 结果表明,粘胶纤维对直接染料的上染率,与纤维吸碘值,即纤维可及度有关,且与纤维的结晶长度也有关。
- Sols for fixing water-soluble dyes were prepared, and the fixing treatment was applied to direct dyed cotton by the sol-gel process. 自行研制了用于水溶性染料固色的溶胶-凝胶对染色棉进行固色处理,讨论了整理工艺条件对固色效果的影响。
- Now the main products are acid dyes and direct dyes, with full color spectrum, which is used in dyeing leather, textile ,wool, silk, paper, etc. 目前公司的主要产品为酸性染料和直接染料，色谱齐全，主要用于皮革、纺织品、羊毛、蚕丝、纸张等的染色。
- For enhancing the fastness to light of cotton dwonproof jig dyed,direct dyes were selected and methods such as fixation and graft adopted. 对棉防羽绒布卷染时，为提高日晒牢度，对各种直接染料进行筛选，并通过多种方法如固色、接枝等谋求提高日晒牢度。
- The spent dyebath water containing these direct dyes is decolorized and used for the dyeing of fabrics with direct dyes again. 废水的颜色和主要污染来源于未上染和被水洗下来的染料。
- It is shown that the application of rare-earth elements to staple rayon corduroy direct dye dyeing is practicable and the effect is perfect. 作者认为稀土对人棉灯芯绒织物在直接染料染色上应用是切实可行的，效果是理想的。
- It was shown that gardenia yellow could be used for direct dyeing of silk with good exaltation properties.The dye amt. was the most important factor. 结果表明：栀子黄对丝绸织物可以直接染色，染料用量对染色结果影响最大，染料的提升性能较好。
- It is found that the dyeings with bifunctional reactive dyes is superior to that with direct dyes in respect of color fastness and color difference control. 结果表明,粘胶染色织物色牢度良好,色差小,比直接染料有较大的优越性。
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- Experimental data showed that:Direct dyed fabrics got good color fastness after the sol-gel treatment by the mixed sol of Si/Ti=5:1(mol ratio). 当Si/Ti=5：1(摩尔比)时对直接染料有很好的固色效果，湿牢度普遍提高。
- In this paper, aprocess for one-bath basic dyeing of polyester/cotton blends with disperse and direct dyes is designed, and the dyeing effect is studied. 实验设计了分散染料和直接染料碱性同浴对涤纶和棉组分的染色工艺,探讨了两类染料同浴的染色效果。
