Studies and improvement on the process and equipment of second hards, for enhancing the quality of the products.

This writing tries to discuss the questions on the mote cleaning technology and the usage and the safety prevention and the accident protection of second hards dry spinning process.

Modification of scutching tow with refining technology;

The function of chelate disperse agent in flax roving scouring;

This paper analyses corresponding relation and contradiction between flax roving chemical degumming and dyeing and finishing,and provides foundation in order to formulate rationally flax roving degumming and dyeing and finishing throngh theory and test on flax roving chemical degumming.

The finishing technology of flax roving with cellulose enzyme has been researched and the method of selecting concrete technological parameters and the codition was advanced in the paper.

Study on the scouring and bleaching process for linen rove with compound enzymes

The paper introduced a kind of new process of the linen rove chemical treatment.

Study of flax rove hydrogen peroxide bleaching stablizer WD-Ⅰ;

Analysing the influence of the process parametres of chemical degumming of flax rove to the quality of yarn,and finding the method and condition of enhancing yarn s break length and yarn eveness through changing the degumming process prametres so as to direct product.

Through aralysis of the weight-loss from scouring to bleaching process of flax rove,it was pointed out that the weight-loss was unavoidance.