US1523742A - Webje hokn a - Google Patents

Webje hokn a Download PDF

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US1523742A
US1523742A US1523742DA US1523742A US 1523742 A US1523742 A US 1523742A US 1523742D A US1523742D A US 1523742DA US 1523742 A US1523742 A US 1523742A
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fibre
substantive
sulpho
yarn
colors
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/244Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
    • D06M13/248Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing sulfur
    • D06M13/265Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing sulfur containing halogen atoms
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/11Compounds containing epoxy groups or precursors thereof
    • 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

  • Patented den. 26 i925.
  • This invention relates to a process for rendering vegetable fibres indiderentto substantive colors or dyes, according to which vegetable fibres rendered alkaline in the well known manner, are treated with aromatic sulpho-chlorides, more particularly with para-toluol sulphochloride in suitable solvents and at suitable temperatures.v
  • This process has the advantage that cheap materials may be used for carrying out the process and that the efiect is better than in the above stated known process.
  • the alkalized cellulose fibre insoluble inalkali and water is converted according to this process into an ester compound which can no longer be dyed in a hot soap bath with substantive colors.
  • the process may be as follows:
  • lit also resists diluted acids much better and its indiderence to substantive colors remains unafi'ected even by the acid used for obtaining a transparent efi'ect and by the mercerizing lye provided that it is treated cold and for a short time and rinsed immediately afterwards, but it shows a not inconsiderable fixing property as regards basic colors.
  • textile fabrics can be prepared with patterns in several colors of the most varied kinds.
  • the treatment with alkali may also be carried out with potassium hydroxide, and instead of carbon tetra-chloride there may also be used a sulpho-chloride solvent or other chlorinated hydrocarbons of the fatty series, also hydrocarbons of the petroleum series and benzol and its homologues
  • a sulpho-chloride solvent or other chlorinated hydrocarbons of the fatty series also hydrocarbons of the petroleum series and benzol and its homologues
  • immune cellulose products with other sulpho-chlorides of the-non-substituted and substituted aromatic hydrocarbons, for instance with benzo-sulpho-chloride, ortho-toluol-sulpho-chloride, Xyloland naphtaline-sulphochlorides and With chlorine, bromine and nitro-derivates of all these compounds.
  • Process for the manufacture of a cellulose fibre indifferent to substantive colors comprises subjecting the cellulose fibre to a treatment with an alcoholic solution of caustic soda, and treating the alkalized cellulose with aromatic sulphochlorides.
  • Process for the manufacture of a cellulose fibre indifferent to substantive colors comprises subjecting the cel lulose fibre to an alkalizing treatment, and treating the alkalized cellulose with paratoluol-sulpho-chloride.
  • Process for rendering vegetable fibres immune to substantive dyes which comprises treating fibre with alkali and then subjecting the fibre to the action of a solution of para-toluol-sulpho-chloride in carbon tetra-chloride.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Coloring (AREA)

Description

Patented den. 26), i925.
hairs s'rres arena ROBERT ZIMMERMANN, OF TUBACH, SWITZERLAND, ASSIGNOR T0 FKRM OF TEXTIL- VERK HORN A.-G., OF HORN AM BODENSEE, SWITZERLAND.
PROCESS FOR THE MANUFACTURE OF A CELLULOSE COMPOUND INDIFFERENT TG SUBSTANTIVE COLURS.
No Drawing.
To all whom it mag concern:
Be it known that 1, ROBERT ZIMMERMANN, a citizen of the ldepublic of Switzerland, residing at lubach, Canton St. Gall, Switzerland, have invented certain new and useful Improvements in Processes for the Manufacture of a Cellulose Compound Indifierent to Substantive Colors, of which the following is a specification.
It is known to produce effect-threads in cotton or other vegetable fibres by causing acid chlorides of the aromatic series to act in the presence of indiii'erent solvents on vegetable fibres previously treated with alkalis' This process has however the drawback of being relatively expensive owing to the acid chlorides utilized.
This invention relates to a process for rendering vegetable fibres indiderentto substantive colors or dyes, according to which vegetable fibres rendered alkaline in the well known manner, are treated with aromatic sulpho-chlorides, more particularly with para-toluol sulphochloride in suitable solvents and at suitable temperatures.v This process has the advantage that cheap materials may be used for carrying out the process and that the efiect is better than in the above stated known process.
The alkalized cellulose fibre insoluble inalkali and water is converted according to this process into an ester compound which can no longer be dyed in a hot soap bath with substantive colors.
In the case of the transformation (immunization) of yarn, the process may be as follows:
By heating industrial alcohol containing water, for instance 95% alcohol, with pieces of soda in excess, there is prepared in a Well known manner first as strong an alcoholic solution of soda as possible, for instance of 14%, which on being cooled forms a brownish liquid. If carefully bleached cotton, as free from fat as possible, either loose or in the form of yarn or fabric is immersed in the said solution and left for several hours, the'said cotton will be converted in the well known manner into its soda compound, that is to say alkalized. The cotton is thereupon withdrawn and the lye adhering to it, removed by pressure or centrifugal action.
Application filed March 28, 1923. Serial No. 628,323.
1 kg. of the alkalized and centrifuged yarn is immersed in 15 litres of a tetra" chloride of carbon of 1520'using a clay or enamelled vessel-which contains 200 gr.-para-toluol-sulphochloride per litre. After a short time a reaction takes place with a rise of temperature which however does not reach the boiling point of the liquid. Care must be taken that the yarn always remains under the surface of the liquid. The whole is then allowed to cool for several hours, and heated again by supplying heat by external means until the boiling point is nearly reached. The yarn is then withdrawn and pressed out, and afterwards all sulpho-chloride and solvent are removed from it by passing it several tifnes through a soap solution of C. and rinsing until it is quite odorless. A yellowish-white end product thereupon is obtained by means of a hot soda washing and by the usual chlorine bleaching with to a considerable extent which may amount to 20% and more. lVhen dyeing with substantive colors in hot soda-soap solution, the said yarn proves to be indifferent. Unlike the ordinary yarn, its strength is unaffected by the usual bleaching chlorine solution, even if exposed to its action cold for several days. lit also resists diluted acids much better and its indiderence to substantive colors remains unafi'ected even by the acid used for obtaining a transparent efi'ect and by the mercerizing lye provided that it is treated cold and for a short time and rinsed immediately afterwards, but it shows a not inconsiderable fixing property as regards basic colors.
By weaving it together with raw or bleached cotton yarn, it may be used advantageously for the manufacture of colored pattern fabrics and transparent fabrics.
Yarn previously treated with vat dyes, for instance with indanthrene blue, can in the same way be rendered immune to substantive colors. By weaving such immune colored yarn with the ordinary yarn and subsequently dyeing with substantive colors,
textile fabrics can be prepared with patterns in several colors of the most varied kinds.
In the process of preparation, the treatment with alkali may also be carried out with potassium hydroxide, and instead of carbon tetra-chloride there may also be used a sulpho-chloride solvent or other chlorinated hydrocarbons of the fatty series, also hydrocarbons of the petroleum series and benzol and its homologues It is also possible to prepare immune cellulose products with other sulpho-chlorides of the-non-substituted and substituted aromatic hydrocarbons, for instance with benzo-sulpho-chloride, ortho-toluol-sulpho-chloride, Xyloland naphtaline-sulphochlorides and With chlorine, bromine and nitro-derivates of all these compounds.
I claim: 7
1. Process for converting alkalized cellulose fibres into a fibre which can no longer be dyed with substantive colors which process comprises treating the alkalized cellulose with aromatic sulpho-clilorides.
2. Process for the manufacture of a cellulose fibre indifferent to substantive colors which process comprises subjecting the cellulose fibre to a treatment with an alcoholic solution of caustic soda, and treating the alkalized cellulose with aromatic sulphochlorides.
3. Process for the manufacture of a cellulose fibre indifferent to substantive colors which process comprises subjecting the cel lulose fibre to an alkalizing treatment, and treating the alkalized cellulose with paratoluol-sulpho-chloride.
4. Process for rendering vegetable fibres immune to substantive dyes, which comprises treating the fibre with alkali and then subjecting the fibre to the action of a solution of aromatic sulpho-cliloride in carbon tetra-chloride .and washing the fibre.
5. Process for rendering vegetable fibres immune to substantive dyes, which comprises treating fibre with alkali and then subjecting the fibre to the action of a solution of para-toluol-sulpho-chloride in carbon tetra-chloride.
6. Process for the manufacture of a cellulose fibre indifferent to substantive colors,
which process comprises treating the. fibre with vat-dyes, subjecting this fibre to an alkalizing treatment and treating the alkalized fibre with aromatic sulpho-chlorides.-
In testimony whereof I atfix my signature.
ROBERT ZIMMERMANN.
US1523742D Webje hokn a Expired - Lifetime US1523742A (en)

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