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Contents
Dyeing of polyester/
polyurethane union knits
Conditional
dependency
and fastness of
recommended
dyeing method for
polyester/
polyurethane
union knits
Dyeing of polyester/
polyurethane blends: existing problems and solutions
Dyestuffs and dyeing system auxiliaries for polyester/ polyurethane blends
Kayalon Polyester LW Dyestuffs
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Nippon Kayaku Co., Ltd.
  Dyeing of polyester/polyurethane blends
Dyeing of polyester/polyurethane union knits

<Recommended conditions>

[Method] -
Substrate: Polyester/polyurethane union knit
  -
Dyes: those below recommended (% o.w.f.)
  -
Dyebath: pH4-5
  -
Dispersant/leveling agent:0.5g/L
  - Kayaresister UN:1-2g/L
(1g/L used for samples below)

[RC method]

<Sample results with recommended dyes> *Trichromatic colors
Kayalon Polyester LW dyes Polyester/Polyurethane
(76/24) union knit

Kayalon Polyester LW   Polyester/Polyurethane
(76/24) union knit
Yellow GLW 0.25%,2.0%
*Yellow Brown YLW 0.25%,2.0%
*Red RLW 0.25%,2.0%
*Blue BLW 0.25%,2.0%
Blue GLW 0.25%,2.0%
Turquoise TLW 0.5%,4.0%
Navy NLW 0.5%,2.0%
Black KLW 1.0%,4.0%
[Additional]
Kayalon Polyester
Light Red 2B-SF 200
0.25%,2.0%


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