Bleaching and dyeing; fluid treatment and chemical modification – Dye or potential dye composition – additive – treatment,... – Azo – acridone – or quinone dye
Patent
1980-06-25
1981-12-15
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Dye or potential dye composition, additive, treatment,...
Azo, acridone, or quinone dye
8675, 8922, 260 40R, C09B 100, C08L 6700
Patent
active
043057195
ABSTRACT:
Disclosed is copolyester material dyed with at least one azo or anthraquinone type dye, said copolyester material having an inherent viscosity of at least 0.4 and containing in copolymerized form from about 0.3 to about 5.0% by weight of one or more of the stabilizing moieties having the general formula ##STR1## where R and R.sub.1 are each a chemical bond or an alkylene group of 1-6 carbons; R.sub.2 is alkyl, cycloalkyl, or aryl; R.sub.3 represents 1-5 groups each independently selected from H, Cl, F, alkyl, cycloalkyl, alkoxy, aryl or aryloxy; wherein all of the above alkyl and alkylene moieties comprising or being part of the R.sub.2 or R.sub.3 groups contain from 1-8 carbons, and wherein all of the above alkyl, alkylene, aryl and cycloalkyl moieties may be substituted with up to three of a variety of substituents such as halogen, alkyl of 1-8 carbons, alkoxy of 1-8 carbons, aryl, cycloalkyl and CN.
REFERENCES:
patent: 3779993 (1973-12-01), Kibler et al.
Pruett Wayne P.
Sublett Bobby J.
Zannucci Joseph S.
Clingman A. Lionel
Eastman Kodak Company
Reece III Daniel B.
Spurrell Donald W.
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