Classifications

• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
  • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
  • D06P3/02—Material containing basic nitrogen
  • D06P3/04—Material containing basic nitrogen containing amide groups
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
  • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
  • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
  • D06P1/64—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
  • D06P1/651—Compounds without nitrogen
  • D06P1/65106—Oxygen-containing compounds
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
  • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
  • D06P3/02—Material containing basic nitrogen
  • D06P3/04—Material containing basic nitrogen containing amide groups
  • D06P3/14—Wool
  • D06P3/16—Wool using acid dyes
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
  • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
  • D06P5/02—After-treatment
  • D06P5/04—After-treatment with organic compounds
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
  • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
  • D06P5/22—Effecting variation of dye affinity on textile material by chemical means that react with the fibre

Definitions

• Patented sept. 27, 1938 y ormwmm'rommma or to I. G. Wegner Aktien'gc cllsc gg;
• Alkylating agents of this kind are 101' iristance, ethyliodide, ethylbromide, n-butyliodide, ethylenechlorhydrine, -benzylch1oride, p-nitrobenzylchlo'ride, chloracetic methylester, .chlor- '30 acetone, chloracetaldehyde, dialkyisuliate, alkyl- 'suli'onic acid alkylesters, the sodium salt oichlormethylbenzene sulionic acid, the sodium 'salt 01 a xylol sulfonic acid halogenatedin the side.
• toluene sulfonic'acid alkylesters naphthalene sulfonic acid alkyl estersysalts or carboxyaryl sulionic acidalkyl esters
• ttrichloroxypropylamine hydrochloride p-tris-pechlorethyl-aminehydrochloride and tetrachloroxypropyl ammonium chloride, diazo paramns such diazoethane.
• a sufllcient coloring eifect may therefore vary widely.
• the demands vary, for instance, ac- 1 cording to whether a relatively slight improve- 'ment of the dyeing. capacityis desired particularly when working. in a neutral bath orwhether a-strong coloring'contrastis desired
• The'speedof the reaction may also be influencedby the moisture in the atmosphere or in the ⁇ goods under treatawe-- p December; 8
• alkylating' agents i are "used, for instance, air-alkyl ma, "any case; aboiling oifdry wool witnemymrpm de mr two hours gives ⁇ no effect.
• the .alirylati'ng' agents may be used in the process assuch or be produced or liberated in the presence of the goods to be treated, for example by thermal decomposition of labile alkyl halides orsalts, of imine-ethers, or nitrosoalkylurethan'es.
• the action oi the alkylating agent can be com- .bined witha drying or printing operation; ,Also
• an alter-treatment oi. afinished dyeing may. be advantase ai r h urp e p m rov ns h iastness thereon. In both cases'it is obvious that the dyestui! mustnot be essentially changed by the alkylating agent.
• the fiber may be P 31- treated; before the alkylatingoperation with materials other than, dyestutls for example with mordants, tanning-agents, loading agents or in"- secticides.
• the after-treatment oi'finished colorings with alkylating agents is ".01 particularimportance because in, thismanner an increased da'stness is obtaineds.
• the increase ofthe afllnity or-the :speed adsorption exhibited by the fibers or 'objects for certain groups oi dyestufls whichi'ollo'ws the application ofthe invention is of particular importance in'printing and in'dy'eing mixed fabrics or mixed yarns, for instance mixedyarns of wool and cellulose fibers orot wool and acetyl-cellulose fibers, particularly whenjthe dyeing is tc J be conductedunder ieebly acid or'neutral conditions at the lowest'possible temperature.
• Example 4.Wool is heated ion 18 hours. at 80] C. in an atmosphere of 75 per cent. moisture saturation and, containing "be'nzyl (chloride. amounting to 20 percent. or the weight of the wool.
• the treated slrein is still puife'white.
• the dye is strongly adsorbedby' the treated material alreadyatBO'C.
• the samerelative difference u ts- Example 2.' instead oi the ethyl bromide prescribed in the foregoing example, chloracetic acid-ethyl-ester is similarly used, the duration of the operation being 16 hours at C. and under a moisture saturation of per cent.
• the above-' "Ex mple 5.,-wooldyed films be as; a!
• thetreated wool is more powerfully dyed bymeansot -Alizarine ing a basic artificial resin 01! thepolyvinyl series (content of basic tertiary nitrogen-in the fiber being 0.4 per cent.) isdyed, with 2 per cent. of Alizarine Direct Blue A in the presence 01' acetic acid.
• the dyed material- is suspended for 14 hours in an atmosphere of 80 per cent. moisture saturation containing ethyliodide vapor.
• non-atter-treated coloring is removed to the greater part when washed under the same conditions.
• Example IL- Zephir-Wool is treated with 15' per cent of ethyl bromide and 10 per cent of'1.2-
• the wool shows an appreciable improvement of the capacity of being dyed, particularly in a neutral bath.
• the colorings for instance, with Amidonaphthol-Red BB (Schultz Farbstofltab, 7th ed. suppl. vol., page 8, No. 110) are faster to water and washing than those of the untreated wool.
• Example 12 is treated withan aqueous dispersion of 20 per cent of dimethylsulfate and- 20 per cent of prepared chalk made with the aid of oleyl-polyglycol, for 2 hours at C. ina' bath.
• a process of increasing the affinity for acid dyestuffs of wool, natural silk, leathenartificial ficial fibers containing a basic cellulose derivative which comprises subjecting the material to the action of a reactive alkyl ester.
• J i e 4 A process of increasing the afllnity for acid dyestuffs of wool, natural silk, leather, artificial fibers containing a basic artificial resin, and artificial fibers containing abasic cellulose derivative, 1 which comprises subjecting the material to the action of a diazoparamne.
• :A' was is: increasing the aflinity' tor and increasing the ailinity ior acid i dyestufls of wool, natural silk, leather, artificial fibers containing abasic artificial-resin, and arti- 1 j I '1 .flclal flbers'c'ontaining arbasic' cellulose derivative,
• whlch comprises dyeingthe material'with an acid

Landscapes

• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Coloring (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=6540663

Family Applications (1)

Country Status (5)

Cited By (9)

• 0
  • BE BE412588D patent/BE412588A/xx unknown
  • US US2131146D patent/US2131146A/en not_active Expired - Lifetime
  • NL NL46817D patent/NL46817C/xx active
  • FR FR798942D patent/FR798942A/fr active Active
• 1935
  • 1935-12-09 GB GB34073/35A patent/GB467173A/en not_active Expired

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