Claims
- 1. A method of producing a colored textile yarn comprising the steps of:
- (a) applying a colorant-containing liquid to the surface of the textile yarn; and
- (b) unevenly heating the textile yarn to cause the colorant in the liquid to substantially migrate toward the source of heat to thereby produce a colored yarn having one portion that is visibly darker in color hue when compared to another portion of the yarn.
- 2. A method as in claim 1 wherein step (a) is practiced by bringing the yarn into contect with a bath having the colorant-containing liquid contained therein.
- 3. A method as in claim 1 or 2 wherein step (b) is practiced by the steps of:
- (i) providing a drum having a cylindrical outer surface;
- (ii) heating the drum surface; and
- (iii) bringing the one portion of the yarn into contact with the heated drum surface so that the one portion of the yarn is dried at a rate faster than the other portion of the yarn to thereby cause the colorant to migrate to the one portion.
- 4. A method as in claim 3 wherein step (ii) is practiced by heating the drum durface to between about 250.degree. F. to about 450.degree. F.
- 5. A method as in claim 3 wherein step (ii) is practiced by heating the drum surface to between about 300.degree. F. to about 350.degree. F.
- 6. A method as in claim 1 wherein said textile yarn is a natural textile yarn.
- 7. A method as in claim 6 wherein said yarn is cotton.
- 8. A method as in claim 1 wherein said textile yarn is a synthetic textile yarn.
- 9. A method as in claim 8 wherein said yarn is at least one selected from polyester and nylon.
- 10. A method as in claim 1 wherein said textile yarn is a blend of natural and synthetic yarns.
- 11. A method of coloring textile yarn so as to produce yarn having a darker color hue on one side thereof when compared to the other side of the yarn, said method comprising the steps of:
- (a) applying a colorant-containing liquid to the surfaces of said one and other sides of the yarn;
- (b) drying said one side of the yarn at a drying rate which is faster than the drying rate of said other side of the yarn to establish a drying rate gradient between said one and other sides; and
- (c) allowing the colorant in the liquid applied according to step (a) to migrate to said one side of the yarn by virtue of the drying rate gradient established according to step (b), said migration effecting a darker color hue on said one side when compared to said other side.
- 12. A method as in claim 11 wherein step (a) is practiced by bringing the yarn into contact with a bath having the colorant-containing liquid contained therein.
- 13. A method as in claim 11 wherein step (b) is practiced by the steps of:
- (i) providing a drum having a cylindrical outer surface;
- (ii) heating the drum surface; and
- (iii) bringing the one side of the yarn into contact with the heated drum surface so that the one side of the yarn is dried at a rate faster than the other side of the yarn to thereby cause the colorant to migrate to the one yarn side.
- 14. A method as in claim 13 wherein step (ii) is practiced by heating the drum surface to between about 250.degree. F. to about 450.degree. F.
- 15. A method as in claim 11 wherein said colorant-containing liquid consists essentially of an organic pigment and at least one resin component selected from the group consisting of polymers and copolymers of polyvinyl chloride, polyvinylacetate, polyvinylacrylate, and latexes of butadiene syrene, polyester, polyethylene vinyl acetate, chlorinated polyethylene vinyl acetate, and water based silicone elastomers.
- 16. A method as in claim 15 wherein said textile yarn is a glass sliver yarn.
- 17. A method as in claim 11 wherein said colorant-containing liquid is a liquid dye solution.
- 18. A method as in claim 11 wherein said liquid consists essentially of an organic pigment and an acrylic resin.
- 19. A method as in claim 18 wherein the organic resin is present between about 0.1 to about 5.0 percent by weight.
- 20. A method as in claim 18 wherein the acrylic resin is present between about 2 to about 25 percent by weight.
- 21. A method as in claim 18 wherein the acrylic resin is present between about 4 to about 10 percent by weight.
- 22. A method as in claim 18 wherein the acrylic resin is present between about 2 to about 15 percent by weight.
- 23. A method of coloring a textile yarn having upper and lower yarn surfaces so that the lower yarn surface exhibits a visually perceptive darker color hue when compared to the upper yarn surface, said method comprising the steps of:
- (a) coating the upper and lower surfaces of the yarn with a colorant-containing liquid;
- (b) bringing the lower yarn surface into contact with a heated surface so that the lower yarn surface is dried at a rate faster than the upper yarn surface; and
- (c) allowing the colorant in the liquid applied to the yarn according to step (a) to migrate to the lower yarn surface by virtue of the faster drying rate thereof, said migration being in an amount sufficient to produce a visually perceptive darker color hue on the lower yarn surface when compared to the upper yarn surface.
- 24. A method as in claim 23 wherein step (b) is practiced according to the steps of:
- (i) providing a drum having an outer cylindrical surface;
- (ii) heating the cylindrical surface of the drum; and
- (iii) bringing the lower yarn surface into contact with the heated cylindrical surface.
- 25. A method as in claim 23 wherein step (ii) is practiced by heating the drum surface to between about 250.degree. F. to about 450.degree. F.
- 26. A yarn produced by the method of claim 1, 11 or 23.
- 27. A method of producing a woven textile fabric comprising the steps of:
- (a) coloring textile yarns having upper and lower yarn surfaces so that the lower yarn surface exhibits a visually perceptive darker color hue when compared with the upper yarn surface, said coloring being practiced by the steps of;
- (i) applying a pigment-containing liquid to the upper and lower yarn surfaces; and
- (ii) drying the lower yarn surface at a rate faster than the drying rate of the upper yarn surface to cause the pigments to migrate to the lower yarn surface to a degree sufficient to create a visually perceptive darker color hue on the lower surface when compared to the upper surface;
- (b) weaving the colored yarns to form a woven textile fabric.
- 28. A method as in claim 27 further comprising the step of (c) twisting the colored yarns so that the darker color hue of the lower yarn surface is visually randomly distributed along the length of the yarns.
- 29. A method as in claim 28 wherein steps (b) and (c) are practiced simultaneously.
- 30. A woven textile fabric produced by the method of claim 27, 28 or 29.
- 31. A method of producing a pigmented glass sliver yarn comprising the steps of:
- (a) applying a pigment-containing liquid resin to the surface of the textile yarn; and
- (b) unevenly heating the testile yarn to cause the pigments in the liquid resin to substantially migrate toward the source of heat to thereby produce a pigmented yarn having one side that is visibly darker in color hue when compared to the other side of the yarn.
- 32. A method as in claim 31 wherein step (a) is practiced by bringing the yarn into contact with a bath having the pigment containing liquid contained therein.
- 33. A method as in claim 31 or 32 wherein step (b) is practiced by the steps of:
- (i) providing a drum having a cylindrical outer surface;
- (ii) heating the drum surface; and
- (iii) bringing the one side of the yarn into contact with the heated drum surface so that the one side of the yarn is dried at a rate faster than other side of the yarn to thereby cause the pigment to migrate to the one yarn side.
- 34. A method as in claim 33 wherein step (ii) is practiced by heating the drum surface to between about 250.degree. F. to about 450.degree. F.
- 35. A method as in claim 33 wherein step (ii) is practiced by heating the drum surface to between about 300.degree. F. to about 350.degree. F.
- 36. A method of coloring glass sliver yarn so as to produce yarn having a darker color hue on one side thereof when compared to the other side of the yarn said method comprising the steps of:
- (a) applying a pigmented liquid resin to the surfaces of said one and other sides of the yarn;
- (b) drying said one side of the yarn at a drying rate which is faster than the drying rate of said other side of the yarn to establish a drying rate gradient between said one and other sides; and
- (c) allowing the pigment in the liquid resin applied according to step (a) to migrate to said one side of the yarn by virtue of the drying rate gradient established according to step (b), said migration effecting a darker color hue on said one side when compared to said other side.
- 37. A method as in claim 36 wherein step (a) is practiced by bringing the yarn into contact with a bath having the pigment-containing liquid contained therein.
- 38. A method as in claim 36 or 37 wherein step (b) is practiced by the steps of:
- (i) providing a drum having a cylindrical outer surface;
- (ii) heating the drum surface; and
- (iii) bringing the one side of the yarn into contact with the heated drum surface so that the one side of the yarn is dried at a rate faster that the other side of the yarn to thereby cause the pigment to migrate to the one yarn side.
- 39. A method as in claim 38 wherein step (ii) is practiced by heating the drum surface to between about 250.degree. F. to about 450.degree. F.
- 40. A method as in claim 38 wherein step (ii) is practiced by heating the drum surface to between about 300.degree. F. to about 350.degree. F.
- 41. A method as in claim 37 wherein said liquid consists essentially of an organic pigment and at least one resin component selected from the group consisting of polymers and copolymers of polyvinyl chloride, polyvinylacetate, polyvinylacrylate, and latexes of butadiene styrene, polyester, polyethylene vinyl acetate, chlorinated polyethylene vinyl acetqate, and water based silicone elastomers.
- 42. A method as in claim 36 wherein said liquid consists essentially of an organic pigment and an acrylic resin.
- 43. A method as in claim 36 wherein the organic resin is present between about 0.1 to about 5.0 percent by weight.
- 44. A method as in claim 42 or 43 wherein the acrylic resin is present between about 2 to about 25 percent by weight.
- 45. A method as in claim 42 or 43 wherein the acrylic resin is present between about 4 to about 10 percent by weight.
- 46. A method as in claim 42 or 43 wherein the acrylic resin is present between about 2 to about 15 percent by weight.
- 47. A method of dyeing a glass sliver yarn having upper and lower yarn surfaces so that the lower yarn surface exhibits a visually perceptive darker color hue when compared to the upper yarn surface, said method comprising the steps of:
- (a) coating the upper and lower surfaces of the yarn with a pigment-containing liquid resin;
- (b) bringing the lower yarn surface into contact with a heated surface so that the lower surface is dried at a rate faster than the upper yarn surface; and
- (c) allowing the pigments applied to the yarn according to step (a) to migrate to the lower yarn surface by virtue of the faster drying rate thereof, said migration being in an amount sufficient to produce a visually perceptive darker color hue on the lower yarn surface when compared to the upper yarn surface.
- 48. A method as in claim 47 wherein step (b) is practiced according to the steps of:
- (i) providing a drum having an outer cylindrical surface;
- (ii) heating the cylindrical surface of the drum; and
- (iii) bringing the lower yarn surface into contact with the heated cylindrical surface.
- 49. A method as in claim 48 wherein step (ii) is practiced by heating the drum surface to between about 250.degree. F. to about 450.degree. F.
- 50. A method as in claim 48 wherein step (ii) is practiced by heating the drum surface to between about 300.degree. F. to about 350.degree. F.
- 51. A woven textile fabric produced with the yarn of claim 31, 36 or 47.
- 52. A method of producing a woven textile fabric having randomly distributed color hue variations comprising the steps of:
- (a) coloring glass sliver yarns having upper and lower yarn surfaces to that the lower yarn surface exhibits a visually perceptive darker color hue when compared with the upper yarn surface, said coloring being practiced by the steps of;
- (i) applying a pigment-containing liquid resin to the upper and lower yarn surfaces; and
- (ii) drying the lower yarn surface at a rate faster than the drying rate of the upper surface to cause the pigments to migrate to the lower yarn surface to a degree sufficient to create a visually perceptive darker color hue on the lower surface when compared to the upper surface;
- (b) twisting the yarns colored according to the step (a) so that the darker color hue of the lower yarn surfaces is visually randomly distributed along the length of the yarns; and
- (c) weaving the twisted yarns to form a woven textile fabric.
- 53. A method as in claim 52 wherein steps (b) and (c) are practiced simultaneously.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a continuation-in-part of copending U.S. application Ser. No. 592,295 filed Mar. 22, 1984, and now abandoned the entire disclosure of which is expressly incorporated hereinto by reference.
US Referenced Citations (16)
Foreign Referenced Citations (2)
Number |
Date |
Country |
1488046 |
May 1967 |
FRX |
2064597 |
Dec 1980 |
GBX |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
592295 |
Mar 1984 |
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