Phthalocyanine dyes | definition of Phthalocyanine dyes by Medical dictionary
phthalocyanine (redirected from Phthalocyanine dyes)
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Any of several stable, light-fast, blue or green organic pigments used in enamels and plastics.
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Aqueous dispersion of 50 ml volume containing diluted solution (4 x [10.sup.-7] mol [L.sup.-1]) of phthalocyanine dye 3 and 5 mg of Ti[O.sub.2] was sonicated for 5 minutes.
Polyethylene oxide [PEO.sub.10,000] was added to reduce the aggregation of the phthalocyanine dye and consequently enhance their absorption in aqueous medium (Ng 2003).
Although azo dyes represent about 60% of all reactive dyes used by the textile industry, other classes of reactive dyes, namely anthraquinone and phthalocyanine dyes
, are also extensively used either as primary or secondary dyes in commercial trichromatic dyeing formulations [6, 7].