US355933A - Thomas hollidat - Google Patents

Thomas hollidat Download PDF

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Publication number
US355933A
US355933A US355933DA US355933A US 355933 A US355933 A US 355933A US 355933D A US355933D A US 355933DA US 355933 A US355933 A US 355933A
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lead
cotton
soap
thomas
fiber
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/34Material containing ester groups
    • D06P3/40Cellulose acetate
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/916Natural fiber dyeing
    • Y10S8/918Cellulose textile

Definitions

  • This invention consists in forming on cotton or other vegetable fibers a deposit of oxide of lead or a lead soap, and combining therewith alpha or beta naphthol for the purpose of forming azo coloring-matter thereon, and is carried'into effect by treating the cotton, 8m, with a solution of oxide of lead in caustic alkali, and, when a soap is required, passing the cotton, &c., through a solution of soluble soap or an oily emulsion, and treating the cotton, 850,011 which a depositof oxide of lead or lead soap has been formed with naphthol in solution or suspension.
  • a good method of carrying this invention into 'efiect is to impregnate or steep cotton or other vegetable fiber-say one hundred poundsin a solution, hot or cold, composed of about ten pounds of acetate of lead dissolved in two hundred gallons of water, to which has been added caustic soda enough to precipitate all the lead and to redissolve the precipitate. After about half an hours steeping or impregnation the cotton can be washed, and a considerablequantity of oxide of lead is fixed on the fiber for the purpose of forming an insoluble lead soap.
  • the cotton is then impregnated with or steeped in a soap solution of, say, five pounds of castile-soap in one hundred gallons of water, then washed off in water, the'lead soap being attached to the fiber.
  • the proportions can be Varied.
  • Other salts of lead or oxide can be used instead of acetate, and other alkalies-say, potash instead of soda.
  • Othersoaps can be used instead of castile. For instance, Turkey-red oil,
  • a modification of the process can be carried into effect by passing the fiber first through a solution of a salt of lead, then through a s0- Serial No. 180,747.
  • the cotton, 850., having on it oxide of lead or lead soap can then be passed through or impregnated with asolution of, say, five pounds of alpha or beta naphthol in one hundred gallons of warm water, and will then be ready for the formation of any azo coloring-matter having naphth'ol as a constituent, (preferably such as are insoluble or nearly insoluble in water;) or the color can be formed simultaneously with the absorption of the naphthol, or in any other known manner.
  • the naphthol can be added to the bath of soluble soap and be drawn onto the cotton at the time of the formation of the lead soap.
  • the oxide of lead may be combined with an acid in the process of forming the colors or by treatment with an acid.
  • Cotton or other vegetable fiber can be treated either in a raw state, spun, woven, or otherwise manufactured.
  • Cotton or other vegetable fiber treated by this process can be identified by the usual methods of chemical analysis.

Description

THOMAS HOLLIDAY, OF HUDDERSFIELD, COUNTY OF YORK, ENGLAND.
PROCESS OF NAPHTHOL DYElNG.
SPECIFICATION forming part of Letters Patent No. 355,933, dated January 11, 1887.
Application filed October 23, 1885.
T 0 all whom it may concern:
Be it known that I, THOMAS HOLLIDAY, of Huddersfield, in the county of York, in the United Kingdom of Great Britain and Ireland, a subject of the Queen of Great Britain, have invented a certain new and useful Improvement in the Treatment of Cotton or other Vegetable Fibers; and I dohereby declare that the following is a full, clear, and.
exact description of the invention, which will enable others skilled in the art to which it appertains to make and use the same.
This invention consists in forming on cotton or other vegetable fibers a deposit of oxide of lead or a lead soap, and combining therewith alpha or beta naphthol for the purpose of forming azo coloring-matter thereon, and is carried'into effect by treating the cotton, 8m, with a solution of oxide of lead in caustic alkali, and, when a soap is required, passing the cotton, &c., through a solution of soluble soap or an oily emulsion, and treating the cotton, 850,011 which a depositof oxide of lead or lead soap has been formed with naphthol in solution or suspension.
A good method of carrying this invention into 'efiect is to impregnate or steep cotton or other vegetable fiber-say one hundred poundsin a solution, hot or cold, composed of about ten pounds of acetate of lead dissolved in two hundred gallons of water, to which has been added caustic soda enough to precipitate all the lead and to redissolve the precipitate. After about half an hours steeping or impregnation the cotton can be washed, and a considerablequantity of oxide of lead is fixed on the fiber for the purpose of forming an insoluble lead soap. The cotton is then impregnated with or steeped in a soap solution of, say, five pounds of castile-soap in one hundred gallons of water, then washed off in water, the'lead soap being attached to the fiber. The proportions can be Varied. Other salts of lead or oxide can be used instead of acetate, and other alkalies-say, potash instead of soda. Othersoaps can be used instead of castile. For instance, Turkey-red oil,
sulphonated or not, and neutralized with ammonia, gives a good result; or an emulsion can be used, though I prefer a soap.
A modification of the process can be carried into effect by passing the fiber first through a solution of a salt of lead, then through a s0- Serial No. 180,747.
(No specimens.)
lution of caustic soda or potash, when oxide of lead will be formed and deposited .on the fiber; or the soluble soap can be mixed with the caustic alkali. The cotton, 850., having on it oxide of lead or lead soap, can then be passed through or impregnated with asolution of, say, five pounds of alpha or beta naphthol in one hundred gallons of warm water, and will then be ready for the formation of any azo coloring-matter having naphth'ol as a constituent, (preferably such as are insoluble or nearly insoluble in water;) or the color can be formed simultaneously with the absorption of the naphthol, or in any other known manner.
The naphthol can be added to the bath of soluble soap and be drawn onto the cotton at the time of the formation of the lead soap.
The oxide of lead may be combined with an acid in the process of forming the colors or by treatment with an acid.
Cotton or other vegetable fiber can be treated either in a raw state, spun, woven, or otherwise manufactured.
Cotton or other vegetable fiber treated by this process can be identified by the usual methods of chemical analysis.
The article produced by the within-described process will be made the subject of a separate application for Letters Patent.
1. The method herein described of treating cotton or other fiber, consisting in impregnating the fiber with a lead soap and then with the naphthols or coloring-matters formed with them, substantially as set forth.
2. The method herein described of treating cotton or other fiber, consisting in passing the fiber through a solution of a salt of lead to which an alkali has been added and then through a soap solution, and finally impregnating it with the naphthols or coloring-matters formed with them, substantially as set forth.
In testimony whereof I, the said THOMAS HOLLIDAY, have hereunto set my handthis 1st day of September, 1885.
THOMAS HOLLIDAY.
US355933D Thomas hollidat Expired - Lifetime US355933A (en)

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