Dyeing technology of MFPET fibers

Dyeing technology of MFPET fibers

  • CN 106,337,291 A
  • Filed: 08/29/2016
  • Published: 01/18/2017
  • Est. Priority Date: 08/29/2016
  • Status: Active Application
First Claim
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1. a kind of dyeing of mfpet fiber it is characterised in that:

  • the dyeing recipe that described dyeing adopts include auxiliary agent andDyestuff, this dyestuff is middle low temperature disperse dyes, and described auxiliary agent is superfine fibre levelling agent y;

    Described dyeing step includes;

    The first step;

    the fabric processing through pre-treating technology is mixed with auxiliary agent and dyestuff;

    Second step;

    be warming up to 58 ~ 62 DEG C with 3 ~ 5 DEG C/min of programming rate;

    3rd step;

    be warming up to 78 ~ 82 DEG C with 1 ~ 2 DEG C/min of programming rate, be then incubated 4 ~ 6 minutes;

    4th step;

    be warming up to 98 ~ 102 DEG C with 0.8 ~ 1.2 DEG C/min of programming rate, be then incubated 8 ~ 12 minutes;

    5th step;

    be warming up to 108 ~ 112 DEG C with 0.8 ~ 1.2 DEG C/min of programming rate, be then incubated 35 ~ 45 minutes;

    6th step;

    58 ~ 62 DEG C of heel row clear liquids are cooled to 1.8 ~ 2.2 DEG C/min of cooling rate.

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