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
  • 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
  • D06P1/62—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 with sulfate, sulfonate, sulfenic or sulfinic groups
  • D06P1/628—Compounds containing nitrogen
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
  • C07C303/42—Separation; Purification; Stabilisation; Use of additives
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C305/00—Esters of sulfuric acids
  • C07C305/02—Esters of sulfuric acids having oxygen atoms of sulfate groups bound to acyclic carbon atoms of a carbon skeleton
  • C07C305/04—Esters of sulfuric acids having oxygen atoms of sulfate groups bound to acyclic carbon atoms of a carbon skeleton being acyclic and saturated
  • C07C305/06—Hydrogenosulfates
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
  • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
  • C08G65/32—Polymers modified by chemical after-treatment
  • C08G65/329—Polymers modified by chemical after-treatment with organic compounds
  • C08G65/334—Polymers modified by chemical after-treatment with organic compounds containing sulfur
• • 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
  • D06P1/60—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 polyethers
  • D06P1/607—Nitrogen-containing polyethers or their quaternary derivatives
  • D06P1/6076—Nitrogen-containing polyethers or their quaternary derivatives addition products of amines and alkylene oxides or oxiranes
• • 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
  • D06P1/62—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 with sulfate, sulfonate, sulfenic or sulfinic groups
  • D06P1/621—Compounds without nitrogen
  • D06P1/627—Sulfates

Definitions

• This invention relates to a process for dyeing or printing natural and synthetic polyamides or polyamide-containing materials with the aid of an assistant which is characterized by good storage stability.
• Levelling assistants are usually surface-active textile dyeing auxiliaries which have the task of thoroughly wetting the fibre/fibre mixture to be dyed, of promoting penetration of the fibres and of preventing too rapid a strike of the dyes, which can lead to unlevelness, during the dyeing process.
• Suitable levelling assistants are, inter alia, oil sulphonates, fatty alcohol sulphonates, fatty acid condensation products, alkyl and alkylaryl polyglycol ethers and, generally, surface-active substances.
• Levelling assistants primarily reduce the rate of dyeing, increase the rate of dye migration within the fabric and improve the compatibility of the dyes.
• Levelling assistants can also have other effects which have no direct influence on the dye-fibre interactions, but nevertheless have a positive effect on the dyeing.
• Levelling assistants can exert two or more of the abovementioned effects at the same time.
• Levelling assistants can be divided into two groups, those which have an affinity to the fibre, or those which have an affinity towards the dye.
• Levelling assistants which have an affinity towards the dyes form an addition compound with the dye, the stability of which is dependent on the concentration and normally decreases with increasing temperature.
• the dye distribution equilibrium between the dye in solution and the dye in the fibre is therefore shifted to the dye in solution.
• the increased dye concentration in the dye solution permits areas of the fabric which have been dyed in a non-level manner to be evened out as a result of dye migration.
• Effective levelling assistants have an affinity towards the dye which is sufficient to reduce the rate of absorption or to increase the rate of migration. Differences in the absorption behaviour of different dyes can also be evened out, so that the dyes in a dye mixture strike uniformly.
• levelling assistants for wool are nonionic surfactants or weakly cationic, ethoxylated compounds.
• levelling assistants for wool are anionic compounds.
• Important dye-affinitive types of levelling assistants for polyamides are nonionic surfactants, cationic compounds or ethoxylated compounds.
• Important fibre-affinitive types of levelling assistants for polyamides are cationic compounds.
• Levelling assistants are preferably bought, stored and used in an aqueous composition. This presents certain problems particularly for storage.
• One such problem is creaming, i.e. inhomogeneties in the composition arise, which hinders use without prior treatment.
• the aim of the present invention is to provide a process which permits level dyeing or printing with an assistant characterized by excellent storage stability.
• Claimed is a process for dyeing or printing natural and synthetic polyamides or polyamide-containing compounds, characterized in that an assistant is used which comprises a compound of the formula (I)
• n 12 - 22
• the sum a + b +1 is between 20 and 50, preferably between 30 and 40
• m is 2 or 3, particularly preferably 3
• o is 2 - 5, more preferably 2 or 3, particularly preferably 2, or mixtures thereof.
• an assistant for dyeing or printing natural and synthetic polyamides or polyamide-containing materials which comprises a compound of the formula (I) or a mixture thereof.
• a preferred assistant has the composition
• Compounds or mixtures of the formula (I) are prepared by sulphation of an amino-C 2 . 6 -alkyl-(C 12 . 22 )amine ethoxylate, preferably amino-C 2 . 3 -alkyl-(C ⁇ 8 - 22 )amine ethoxylate having an average degree of ethoxylation of 20 - 50, preferably 30 - 40, with an excess of sulphamic acid with the addition of a solubilizer, preferably 1 -methyl-2-pyrrolidone.
• a storage-stable composition which comprises a compound according to formula (I) or mixtures thereof, characterized in that amino-C 2 . 6 -alkyl-(C 12 . 22 )amine ethoxylate, preferably amino-C 2 . 3 -alkyl-(C 18 - 22 )amine ethoxylate having an average degree of ethoxylation of 20 - 50, preferably 30 - 40, is converted by sulphation with an excess of sulphamic acid with the addition of a solubilizer, and is diluted with water.
• the examples below serve to illustrate the invention. Unless stated otherwise, the percentages are by weight, and the degrees are given in Celsius.
• a dyebath consisting of
• the resulting wool dyeing has an even appearance, excellent penetration and good manufacturing and performance fastnesses.
• a dyebath consisting of
• a dyebath consisting of
• the assistants according to the invention consisting of 40% of the formula (I) and 60% of water.
• the dyebath is heated to 98°C over the course of 30 minutes.
• 0.5 part of an anionic naphthalenesulphonic acid/formaldehyde condensation product is metered into the dyebath over the course of 20 minutes.
• the dyebath is cooled to 80°C over the course of 20 minutes, and the knit is rinsed and dried.

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• General Chemical & Material Sciences (AREA)
• Health & Medical Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Medicinal Chemistry (AREA)
• Polymers & Plastics (AREA)
• Coloring (AREA)
• Polyethers (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=4210170

Family Applications (1)

Country Status (7)

Family Cites Families (4)

• 2000
  • 2000-07-28 CN CN 00810804 patent/CN1364206A/zh active Pending
  • 2000-07-28 EP EP00948190A patent/EP1208264A1/de not_active Withdrawn
  • 2000-07-28 CA CA002377658A patent/CA2377658A1/en not_active Abandoned
  • 2000-07-28 WO PCT/IB2000/001053 patent/WO2001009430A1/en not_active Application Discontinuation
  • 2000-07-28 MX MXPA02000830A patent/MXPA02000830A/es unknown
  • 2000-07-28 JP JP2001513681A patent/JP2003506583A/ja active Pending
• 2001
  • 2001-12-20 ZA ZA200110489A patent/ZA200110489B/xx unknown

Non-Patent Citations (1)

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