A automatic computer inspection system for dyeing temperature is developed in this article which is easy and quick to be used.

It is difficult to set up a rigorous model in the control system of dyeing temperature in a mathematical way,for there are serious nonlinearity,time variability and long time-lapse,as the result,it is unlikely to get good results using the traditional control method.

Primary investigation of the low temperature dyeing process of wool based on urea;

Technology and mechanism of low temperature dyeing for cashmere fibers;

Optimization of wool low temperature dyeing with hydrogen peroxide/thiourea redox system;

Application of cashmere low-temperature dyeing technology;

In order to overcome the above disadvantages,low-temperature dyeing auxiliaries Valsol LTA-N which was made by ICI company (England) was applied to the dyeing process of cashmere fiber.

It is concluded that stretching—setting treatment not only reduces wool diameter and increases wool length, but also brings about low-temperature dyeing of wool.

The isothermal dyeing of PET (RSD process), as a highly interesting alternative to the conventional working method with regard to technology and economy, is described.