Processing method of ultrafine fiber needing non-woven fabric simulated genuine leather

Processing method of ultrafine fiber needing non-woven fabric simulated genuine leather

CN
  • CN 1,249,295 C
  • Filed: 06/17/2004
  • Issued: 04/05/2006
  • Est. Priority Date: 06/17/2004
  • Status: Active Grant
First Claim
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1. the processing method of an island superfine fiber needle punched non-woven fabrics emulation skin is characterized in that comprising the step of following order:

  • (1) base cloth is handled;

    with the island superfine fiber needle punched non-woven fabrics is base cloth, carries out boiling water contraction and PVAC polyvinylalcohol impregnation simultaneously and handles, and penetrates oven dry, accurate press polish typing, batches through infrared preliminary drying, lax holder net then;

    (2) impregnation of PU wet method is handled;

    with base cloth handle the back gained the grey cloth mandatory extruding of multiple roll PU impregnation under liquid successively, the master is solidified, pair is solidified, washing, hot water wash, dry, batch, described PU employing alkali resistance PU resin;

    (3) continuously the alkali decrement is opened fine the processing;

    the grey cloth behind the impregnation PU successively through the alkali lye impregnation, evaporate, clean, sourly neutralize, wash, batch;

    (4) back arrangement.

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