Dyeing process of loose-cotton fibers

Dyeing process of loose-cotton fibers

  • CN 105,970,694 A
  • Filed: 06/21/2016
  • Published: 09/28/2016
  • Est. Priority Date: 06/21/2016
  • Status: Active Application
First Claim
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1. a scattered cotton fiber dyeing, it is characterised in that:

  • comprise the following steps;

    (1) pre-treatment;

    scattered continuous addition is boiled 20-30min in boiling water, uses alkaline pectase to carry out cotton fiber processing 20-30min, the consumption of alkaline pectase is 1g/L, and control pH value is 8-9, then washes 10min with water;

    (2) dyeing processes;

    in scattered continuous addition dye vat step (1) processed at normal temperatures, is subsequently adding dyestuff, soaksAfter 10min, Matrii Sulfas Exsiccatus equivalent is added in three times, be separated by 3-10min every time;

    Then in dye vat, add soda add in three times,It is separated by 10min every time, soaks 10-30min, insulation sampling;

    (3) post processing;

    the scattered silk floss that step (2) has dyeed is joined and boils 10min in boiling water, boil again after being subsequently adding soaping agent10min, then washes with water 2-3 time.

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