Claims
- 1. A waterless dip dye composition for non-textile and general utility articles, made from plastic, comprising an aromatic ester of the formula ArCOOR.sub.2, ArCOO--R.sub.1 --OOCAr or (ArCOO).sub.z --R.sub.3, wherein R.sub.1 is alkylene of 2-8 carbon atoms or polyoxyalkylene of the formula --C.sub.r H.sub.2r (OC.sub.r H.sub.2r).sub.s, in which r is 2 or 3 and s is 1 to 15; R.sub.2 is substituted or unsubstituted alkyl or alkenyl of 8-30 carbon atoms; R.sub.3 is the residue of a polyhydric alcohol having z hydroxyl groups; Ar is substituted or unsubstituted mono- or bicyclic aryl of up to 15 carbon atoms and z is 3-6, admixed with at least about 0.5% by weight of a dyeing assistant agent and an organic colorant.
- 2. The composition of claim 1, wherein the dyeing assistant agent is an alkoxylated alkylphenol or an ester thereof.
- 3. The composition of claim 1, wherein the aromatic ester is (ArCOO).sub.z R.sub.3.
- 4. The composition of claim 3, wherein z is 3 or 4.
- 5. The composition of claim 1, wherein the dyeing assistant agent is an alkoxylated alkylphenol or an ester thereof and constitutes at least 5% by weight of the composition.
- 6. The composition of claim 1, wherein the dyeing assistant agent is an alkoxylated alkylphenol or an ester thereof and constitutes up to about 80% by weight of the composition.
- 7. The composition of claim 3, which further comprises an alkoxylated castor oil compound, an alkoxylated hydrogenated castor oil compound, an alkoxylated primary alkanol, a salt of a phosphated alkoxylated primary alkanol or a mixture thereof.
- 8. The composition of claim 3, wherein Ar is phenyl or tolyl; R.sub.3 is the residue of glycerine, trimethylolpropane or pentaerythritol and the composition contains at least 5% by weight of an alkoxylated alkylphenol or an ester thereof.
- 9. The composition of claim 3, wherein Ar is phenyl or tolyl; R.sub.3 is the residue of glycerine, trimethylolpropane or pentaerythritol and the composition contain up to about 80% by weight of an alkoxylated alkylphenol or an ester thereof.
- 10. The composition of claim 1, wherein the organic colorant is a disperse dye.
- 11. A process for coloring non-textile and general-utility articles, made from plastic, comprising exposing an article being treated to a composition of claim 1, maintained at a temperature from about 100.degree. C. to the temperature at which the plastic degrades, for a time adequate to achieve the desired degree of coloration.
- 12. The process of claim 11, wherein the article is made from polyester, polyamide, polyurethane, an acrylonitrile or methacrylonitrile polymer, halogenated polyolefin or epoxy plastic.
- 13. The process of claim 11, wherein the article is immersed in the coloring composition at a temperature of at least 140.degree. C. for at least 1 minute.
- 14. The process of claim 11, wherein the article is sprayed with the coloring composition and heated in a bath or oven to at least 140.degree. C.
- 15. The process of claim 11, including the further steps of cleaning the colored article with a halogenated solvent and drying the thus-cleaned article.
- 16. The process of claim 15, wherein the halogenated solvent is perchloroethylene or trichloroethylene and the halogenated solvent is collected and recycled to the process.
- 17. A process for coloring non-textile and general-utility articles, made from polyester, polyamide, polyurethane, an acrylonitrile or methacrylonitrile polymer, halogenated polyolefin or epoxy plastic, comprising exposing an article being treated to a waterless coloring composition of claim 3, maintained at 120.degree.-235.degree. C., for a time adequate to achieve the desired degree of coloration.
- 18. The process of claim 17, wherein the article is immersed in the coloring composition at a temperature of at least 140.degree. C. for at least 1 minute.
- 19. The process of claim 17, including the further steps of cleaning the colored article with a halogenated solvent and drying the thus-cleaned article.
- 20. A process for coloring non-textile and general-utility articles, made from polyester, polyamide, polyurethane, an acrylonitrile or methacrylonitrile polymer, halogenated polyolefin or epoxy plastic, comprising exposing the article being treated to a composition of claim 8, maintained at a temperature from about 100.degree. C. to the temperature at which the plastic degrades, for a time adequate to achieve the desired degree of coloration.
- 21. The process of claim 20, wherein the article is immersed in the coloring composition at a temperature of at least 140.degree. C. for at least one minute.
- 22. A process for coloring non-textile and general-utility articles made from plastic comprising exposing an article being treated to a waterless liquid composition including a high boiling ester, and an organic colorant, maintained at about 120.degree.-235.degree. C. for a time adequate to achieve the desired degree of coloration.
- 23. A process for coloring non-textile and general-utility articles, made from plastic, comprising exposing the article being treated to a composition of claim 1, wherein the aromatic ester is ArCOOR.sub.2 or ArCOO--R.sub.1 --OOCAr and the composition contains at least 5% by weight of a cycloaliphatic diester of the formula ##STR4## wherein R is substituted or unsubstituted straight or branched chain alkyl of 4-20 carbon atoms, polyoxyalkylene of the formula R'(OC.sub.x H.sub.2x).sub.n or phosphated polyoxyalkylene of the formula
- (HO).sub.2 P(.dbd.O(OC.sub.x H.sub.2x).sub.n OC.sub.x H.sub.2x --
- or a salt thereof, wherein (C.sub.x H.sub.2x O).sub.n is (C.sub.2 H.sub.4 O).sub.n --, (C.sub.3 H.sub.6 O).sub.n -- or (C.sub.2 H.sub.4 O).sub.p -- (C.sub.3 H.sub.6 O).sub.q --; R' is H or ArCO; Ar is substituted or unsubstituted mono- or bicyclic aryl of up to 15 carbon atoms; x is 2 or 3; n is 2-22 and the sum of p+q is n, and maintaining the composition at a temperature from 100.degree. C. to the temperature at which the plastic degrades, for a time adequate to achieve the desired degree of coloration.
- 24. The process of claim 23, wherein the composition contains at least 5% by weight of dyeing assistant agent selected from an alkoxylated alkylphenol or an ester thereof.
- 25. The process of claim 23, wherein the composition contains at least 5% by weight of dyeing assistant agent selected from an alkoxylated alkylphenol or an ester thereof and the organic colorant is a disperse dye.
- 26. The process of claim 23, wherein the composition further comprises an alkoxylated castor oil compound, an alkoxylated hydrogenated castor oil compound, an alkoxylated primary alkanol, a salt of a phosphated alkoxylated primary alkanol or a mixture thereof.
REFERENCE TO RELATED APPLICATIONS
This is a continuation-in-part of Ser. No. 06/574,953, filed Jan. 30, 1984, now abandoned, which is a continuation-in-part of Ser. No. 06/440,567, filed Nov. 10, 1982, now abandoned.
US Referenced Citations (4)
Continuation in Parts (2)
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Number |
Date |
Country |
Parent |
574953 |
Jan 1984 |
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Parent |
440567 |
Nov 1982 |
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