1)  sodium m-nitrobenzenesulfonate
防染盐S
2)  Resist S
防染盐S
3)  resist dyeing
防染
4)  reserve printing
防染印花
5)  resist agent
防染剂
1.
To make use of the differences of activity and stability between KN type and K type reactive dyes,the resist agent HWS,which can react on KN type dye and cannot react on K type dye,is selected,so as to prevent KN type dye combining with the fiber.
利用KN型与K型活性染料的活性和稳定性不同,选用能与KN型反应,而不与K型活性染料反应的防染剂HW S,防止KN型染料与纤维结合,起到防染作用。
2.
In order to solve the problems existed in reactive printing, pigment resist printing on reactive dyed ground is carried out with resist agent of white pigment or ammonium sulfate.
为了解决活性印花过程中第三色、传色和对花难度大等问题 ,采用以罩印白和硫酸铵为防染剂的涂料防印工艺 ,总结了各工序的注意事项。
6)  resist dyeing by wax printing
真蜡防染
参考词条
补充资料:防染盐S
分子式:
CAS号:

性质:又称防染盐S。白色晶体。熔点70℃。在空气中潮解。溶于水和乙醇,并在水溶液中逐渐分解。以苯为原料,经发烟硫酸磺化、制得苯磺酸,再用硝酸和浓硫酸进行硝化生成间硝基苯磺酸,然后用石灰乳中和得间硝基苯磺酸钙,再以纯碱置换制得。是染料中间体,用作还原染料、硫化染料的防染剂和染料的成色保护剂。并可用作船舶的除锈剂及电镀退镍剂。还可用作分析试剂。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。