Improvement of Polypropylene (PP) Dyeing by Modification Methods

Document Type : Review Articles

Authors

1 Textile Research Division, National Research Cetre

2 Textile Division , National Research Centre ,Dokki, Cairo Egypt

3 Textile Division ,,National Research Centre, Dokki, Cairo

Abstract

Polypropylene fabrics are important for the woven or nonwovens market. PP fabrics have wide applications in our life . PP are difficult to be dyed by conventional dyeing methods , since they have no reactive functional groups in their chemical structure. For the above reasons , PP fabrics are modified by different methods including the following:
I- Blending PP chips with other polymers with different ratios of PTT, PE, PA,EVA, PET,PS etc..prior or during melt extrusion .
II-Dyeing PP using disperse dyes in superfacial carbon dioxide .
III- Mass coloration of PP by melt extrusion with organic , inorganic pigments
or metallic additives .
V- Modification of PP by radio- grafting technique.
IV- Dyeing PP by or other means .

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History

  • Receive Date: 09 September 2018
  • Revise Date: 11 October 2018
  • Accept Date: 29 October 2018

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