직/편성물 염색

Frequently Encountered Problems in Textile Wet Processing and a Diagnostic Approach for Prevention/solutions.

  • 출판일2002.06
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 283
Powder dyes used in vat dyeing on cotton must be in microfine, supra disperse, or paste form; must be prepared using a dispersing agent; and require constant stirring during padding to avoid dye separation. The padding mangle must have a shore hardness of at least 70 degree for consistent operation. Increasing the number or roll supports for wide mangles minimizes color variation. Monitoring and adjusting color pickup during padding ensures uniformity. Carbon impressions of the nips indicate deviations in color intensity that signal uneven pressure or roll hardness during processing. Kusters' swimming roll system with controlled pneumatic and hydraulic loading, Ramisch Kleinewefers' pneumatic loading system with individual internal pressure zone adjustment, and Kusters' Flex Nip system featuring nip pressure applied at the convergent point of two pressure blades arranged in a V shape improve nip pressure uniformity.
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