色率

提高K型活性染料在真丝绸上固色率的研究

Improving K - Type Reactive Dye Fixation Yield on Silk Fabric

焦糖色素的色率及红色指数与pH值关系的研究

Research of relation between color ratio and red index of caramel color and pH

实验结果表明：在交联剂浓度为4%，pH≈7时棉织物，固色率96%。

Experimental results indicate that the crosslinker concentration were 4 % , pH was 7 , fixation rate reached 96 % cotton fabric .

通过试验发现，经阳离子改性剂CM处理后，固色率达99%以上，但在洗涤过程中会发生移色现象；

Via experiments , it is found that cationic modifier CM enables fixation yield over 99 % , but migration occurs during washing .

并以剥色率和强力保留率为主要指标对剥色pH值、催化剂浓度、温度等因素进行了优化。

The stripping parameters such as pH , the dosage of catalysts , temperature etc. were optimized by color stripping percent and the remained strength of fabric .

KE型活性染料是双活性基染料，具有固色率高、提升力好等优点。

KE reactive dyes have the advantages of high fixation and build up .

讨论了在毛用活性染料对羊毛染色过程中，可变pH染浴对染料上染率与固色率的影响。

A study on the effect of the dyeing rate and the fixation rate owing to the alterable pH value is conducted in the dyeing of wool with reactive dyes of wool .

结果表明，PF型活性染料直接性小，固色率高，洗涤性能、色浆稳定性和色牢度好，且工艺的适应性和宽容性大。

The results show that PF dyes possess low substantivity , high fixation , excellent stability and color fastness , wide process compatibility .

结果表明，尿素用量100~200g/kg，pH值在6~7，蒸化时间10~12min，并增加给湿装置，可提高染料的固色率。

As a result , the fixation yield of dyes increased under the condition of urea dosage 100 ~ 200 g / kg , pH value 6 ~ 7 , ageing time 10 ~ 12 min and dewing equipment .

大量的实验结果表明：MCT活性染料在固色率、固色效率等方面比兰纳素染料差；

The results of the experiment showed the total fixation efficiency values and the fixation values of the MCT group dyes were lower than lanasol dyes .

MCT/VS染料在pH值为4、5染色时，碱性后处理不仅可以去除织物上未固着的染料，还可以提高染料的固色率；

When the MCT / VS group dyes are used onthe chlorination wool in the pH value 4 or 5 , the alkalis after-treatment not only could remove the un-flxation dyes on the fabric , but also improve the fixation values of the dyes .

对新型高固色率染料活性艳红HN－2B的染色条件进行了研究，发现该染料在室温到60℃上染，60℃固色为最佳染色温度。

The application properties of Reactive Brilliant Red HN-2B was studied . The dye is fit for adsorbing at ambient temperature to 60 ℃ and fixing at 60 ℃ .

通过对几种常用活性染料的上染率、固色率和K/S值的比较，选择性能优良的FN型活性染料进行染色；

Based on comparison of dye uptake , fixation yield and K / S value among several common reactive dyes , the FN reactive dye with excellent dyeing property was adopted .

而使用适当浓度的海藻酸钠或海藻酸酯进行预处理，可以保证图案的清晰度。CibacronP型和部分C型活性染料的固色率在65%以上，可以用作喷墨印花的染料。

Sodium alginate and alginate ester pretreatment can guarantee the sharpness of pattern , Cibacron P and part of C type of reactive dyes are suitable for ink jet printing as they imparts high fixation yield over 65 % .

使用结果表明：新型碱剂SH替代传统工艺中的纯碱，固色率高，匀染性好，色泽稳定性及重现性佳，并且用量少、易洗除。

The results show SH can be substituted for traditional Na_2CO_3 , which behave with high color fixation , uniform dyeing effect , stable hue and good repetition to less dose and easy washing .

平衡上染120min，上染率为98%，固色率为92%，大大提高了染色效果；

For 120 minutes , the dye uptake is 98 % and fixation is 92 % .

选用中性电解质为70%～80%，染料移染指数大于90%，匀染因子大于70%，达到最后固色率一半所需时间大于10min的染料；

The actual dyeing process should be : 70 % ~ 80 % neutral electrolyte , migration index of the dye more than 90 % , levelness index more than 70 % and the time when the fixation yield reaches half of the final fixation yield more than 10 minutes .

正交试验结果表明，在115℃，添加糖蜜量4%氨的条件下反应180min，可生产出澄清度高，色率≥39000，红色素指数≥4.8，耐盐性好的优质焦糖色素。

The results of orthodox experiment showed that the high quality of caramel colorant that had high clarification , the tinctorial power ≥ 39000 , red index ≥ 4.8 , and salt tolerant was produced at 115 ℃ for 180 min in addition of 4 % ammonia .

用目视分光光度法测定了染料的上色率和固色率。

Degrees of dyeing and fixation were determined by visible spectrophotometry .

HN-型高固色率活性染料的低盐染色法

Low Salt Dyeing of HN-Type Reactive Dyes with High Fixation Yield

改性阳离子丝绸高固色率无盐染色研究

Studies of Saltless Dyeing with High Fastness Rate for Cation-Modified Silk

高色率焦糖色素的合成新工艺

New synthesis technology of caramel pigment of high color ratio

GB/T2391-1980活性染料吸色率和固色率的测定方法

Determination of colour absorption and fixation rate for reactive dyes

分散染料的热固色率的测定方法

Testing method for thermal fixation properties of disperse dyes

影响喷墨印花固色率的因素

Factors influencing fixation rate in digital ink jet printing

基于自适应双阈值和主色率的足球视频镜头的分割

Soccer Video Shot Segmentation Based on Self-adapting Dual Threshold and Dominant Color Percentage

GB/T2393-1980活性染料印花固色率的测定方法

Determination of colour fixation rate in printing reactive dyes

丝光在提高亚麻织物活性染料印花固色率上的作用

Mercerizing can Improve the Dye Fixation of Printing on Linen Fabrics with Reactive Dyes

改性剂预处理对活性染料固色率的影响

Influence of Modifier Pretreating on Reactive Dyes Fixation

新型高固色率ME型活性染料

New Type High Fixity ME Reactive Dye