Classifications

• • D—TEXTILES; PAPER
  • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
  • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
  • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
  • D06M13/322—Treating 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 nitrogen
  • D06M13/35—Heterocyclic compounds
  • D06M13/355—Heterocyclic compounds having six-membered heterocyclic rings
  • D06M13/358—Triazines
• • 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
  • D06P1/0004—General aspects of dyeing
• • 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
  • D06P1/642—Compounds containing nitrogen
  • D06P1/6426—Heterocyclic 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
  • D06P3/58—Material containing hydroxyl groups
  • D06P3/60—Natural or regenerated cellulose
  • D06P3/66—Natural or regenerated cellulose using reactive dyes

Definitions

• the invention relates to a process for treatment of cellulosic fibers and structures made from these cellulose fibers, in which method the fibers or the fiber structure are contacted with a textile auxiliary agent in contact 'to impart to the fibers of improved properties.
• the invention further relates to new fiber structures, such as yarns and textile surfaces, which are obtainable by this process.
• a tertiary amine oxide in particular N-methylmorpholine-N-oxide (NMMO)
• NMMO N-methylmorpholine-N-oxide
• WO 92/07124 describes a method for producing a fiber with a reduced tendency to fibrillation, according to which the freshly spun, that is to say not yet dried, fiber is treated with a cationic polymer.
• a polymer with imidazole and azetidine groups is mentioned as such a polymer.
• treatment with an emulsifiable polymer e.g. Polyethylene or polyvinyl acetate, or crosslinking with glyoxal.
• EP-A-0 538 977 and WO 94/09191 describe a process of the type mentioned at the outset in which fibers of the Lyocell genus are brought into contact with a textile auxiliary in order to reduce the tendency to fibrillation.
• WO 94/24343 describes a process for the production of cellulose fibers with reduced tendency to fibrillation, in which Process spun a solution of cellulose in a tertiary amine oxide into fibers and the freshly spun fibers are brought into contact with a textile auxiliary which carries at least two reactive groups and are washed with an aqueous buffer, glyoxal not being used as the textile auxiliary. According to this previously known method, the freshly spun fibers are best brought into contact with the textile auxiliary in an alkaline environment.
• fiber structures made from fibers of the Lyocell genus can be crosslinked with methylol compounds in order to produce washable fabrics and knitted fabrics.
• methylol compounds it has been shown that it is not possible to prevent the formation of abrasive edges during the coloring when using these compounds. For this, the crosslinking would have to take place before the dyeing or at least during the dyeing.
• methylol compounds and the other classic finishing agents are hardly suitable for this.
• Another disadvantage of methylol compounds is the formation of formaldehyde, which leads to stress in the workplace.
• the invention has for its object to provide a process for the treatment of cellulose fibers of the Lyocell genus and of structures made of these fibers, which can be carried out in a simple manner and which enables the treated fibers to have a reduced tendency to fibrillation or treated fiber structures or fiber structures containing treated fibers have improved abrasion and pilling values.
• the process according to the invention for the treatment of cellulose fibers, in which the fibers are brought into contact with a textile auxiliary, is characterized in that a compound having the general formula is used as the textile auxiliary
• X is halogen, alkoxy with 1-4 carbon atoms, amino, alkylamino with 1-4 carbon atoms, hydroxysulfonyl, or 1-nicotinyl; Y the general formula
• n is the number 1 or 2;
• R is hydrogen, alkyl of 1-4 carbon atoms or phenyl;
• R 2 and R3 are hydrogen, hydroxysulfonyl, hydroxyl, halogen, alkyl of 1-4 carbon atoms or carboxyl;
• A is vinyl or -C-H.B, wherein B is a group which can be split off under alkaline conditions; and
• Z is Y or X.
• An expedient embodiment of the method according to the invention is characterized in that fibers of the Lyocell genus are brought into contact with the textile auxiliary used according to the invention in an alkaline environment.
• Crosslinkers acting in an alkaline environment can be used during reactive dyeing.
• a preferred embodiment of the method according to the invention is that the compound as a textile auxiliary
• Further preferred embodiments of the method according to the invention consist in that the fibers are used in the undyed state, or that the treatment is carried out, the fibers being dyed at the same time, or that the fibers are present as fiber structures.
• the present invention further relates to the use of a compound of the general formula
• X, Y and Z have the meaning given above, or their alkali metal salt, as textile auxiliaries for the treatment of fibers of the Lyocell genus or for the treatment of structures made of fibers of the Lyocell genus, a yarn or a textile surface being best used as the fiber structure .
• a woven, knitted or knitted fabric is particularly suitable as a textile surface.
• the invention further relates to the use of the above compound of general formula (I) to improve the Pilling behavior, to reduce the formation of pills and to improve the chafing behavior of the textile surface.
• the present invention further relates to fibers of the Lyocell genus which can be obtained by the process according to the invention, or to yarns and fiber structures which contain these fibers.
• Cellulose fibers of the Lyocell genus were produced in accordance with the process described in EP-A-0 356 419 and WO 93/19230. These fibers were processed into a textile in a known manner. The treatment of the fibers is carried out with the compound of formula (III). This compound is referred to below as "substance I”.
• the textile is impregnated with a liquor ratio of 1:20 with 6% reactive dye (Remazol Brilliantblau BB or Remazol Schwarz B) in 40 minutes at 40 * c.
• the dye bath contains 0.3 ml / 1 of an anti-wrinkle (e.g. Biavin 109).
• 50 g / 1 Na-SO. added in portions.
• 5 g / l Na_C0 are added and the mixture is heated to 60'C.
• 0.25 ml / 1 NaOH are added and staining is continued for a further 20 minutes. It is then rinsed warm, brought to pH 5.5 with acetic acid and rinsed cold, boiling and finally cold again.
• the Textiles with 1 ml / 1 softener Basosoft, Avivan GSA
• Example 2 This example is analogous to Example 1, except that the following fabric is used instead of the single jersey: 100% Lyocell, 1.7 dtex, twill, weft and chain Nm 50, 150 cm long and 30 cm wide.
• Example 5 This example is analogous to Example 2, but the following fabric is used instead of the single jersey: 100% Lyocell, 1.7 dtex, twill, weft and chain Nm 50, 150 cm long and 30 cm wide.
• Example 3 This example is analogous to Example 3, except that the following fabric is used instead of the single jersey: 100% Lyocell, 1.7 dtex, twill, weft and chain Nm 50, 150 cm long and 30 cm wide.
• the fabrics obtained in Examples 4, 5 and 6 are sewn together and dyed on the laboratory jet (Mathis, 40 mm nozzle, 1 revolution / minute) according to the above dyeing instructions.
• Example 6 shows clear brightening due to abrasive edges, whereas the fabrics of Examples 4 and 5 are streak-free.
• the fabrics of Examples 4 and 5 also show significantly better values than the fabric piece of Example 6 with regard to pill formation and whitening.
• the tissues are treated with 1 ml / 1 plasticizer (Basosoft, Avivan GSA) at 60'C and waxed.
• 1 ml / 1 plasticizer Basosoft, Avivan GSA
• a single jersey and socks are knitted from the yarn thus obtained.
• the tissues are treated with 1 ml / 1 plasticizer (Basosoft, Avivan GSA) at 60'C and waxed. Socks are knitted from the yarn thus obtained.
• 1 ml / 1 plasticizer Basosoft, Avivan GSA
• the single jersey from Example 7 and a single jersey made from the same, untreated yarn are dyed together in the laboratory jet (Mathis, nozzle 40 mm, 1 revolution / minute) according to the above dyeing instructions, the fabrics 9a and 9b being obtained.
• the dyed single jersey 9a shows no streaks or chafing. In contrast, the single jersey 9b abrasive edges and graying are clearly visible.
• the socks are washed repeatedly at 40 * C. Drying takes place in the tumbler. After 5 washing cycles, the socks made from the yarn of Example 8 are grayed out. The socks made from the yarn of Example 7, on the other hand, have no graying or abrasive edges.
• the pilling test is carried out in a dry state in accordance with SN 198525.
• the assessment is carried out visually according to the standard with the help of comparison images.
• the grade 5 means a low pilling, while the grade 1 means an extreme pilling.
• “Pill 125”, “Pill 500” and “Pill 2000” means pilling after 125, 500 and 2000 cycles, respectively.
• a Lyocell fabric dyed with reactive dyes (twill, 1.7 dtex, Nm 50) is impregnated with a liquor on the pad (liquor absorption: 80%), which contains 10 g / 1 crosslinker and 3 ml wetting agent (Leonil SR). Then the fabric is dried at 60 ° C and impregnated again with a liquor (liquor absorption: 80%) which contains 10 g / 1 crosslinking agent (substance I or TAHT), 3 ml wetting agent (Leonil SR), 10 g / 1 plasticizer ( Sandolub NV), 10 g / 1 Na 2 CO 3 and 1 ml / 1 NaOH contains.
• the fabric is then left to rest sealed in a film at 70 ° C. for 16 hours. Then it is rinsed (cold, warm and finally boiling), mixed with acetic acid and dried at 60'C. The result regarding whitening is shown in Table IV.

Landscapes

• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
• Chemical Or Physical Treatment Of Fibers (AREA)
• Coloring (AREA)
• Polysaccharides And Polysaccharide Derivatives (AREA)
• Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Applications Claiming Priority (4)

Publications (2)

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Family Applications (1)

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• 1996
  • 1996-06-21 AT AT0110796A patent/AT409144B/de not_active IP Right Cessation
• 1997
  • 1997-06-19 ES ES97926908T patent/ES2142167T3/es not_active Expired - Lifetime
  • 1997-06-19 EP EP97926908A patent/EP0904444B1/fr not_active Expired - Lifetime
  • 1997-06-19 BR BR9709916A patent/BR9709916A/pt not_active Application Discontinuation
  • 1997-06-19 AU AU31594/97A patent/AU721876B2/en not_active Ceased
  • 1997-06-19 DE DE59700768T patent/DE59700768D1/de not_active Expired - Fee Related
  • 1997-06-19 CN CNB97197277XA patent/CN1146684C/zh not_active Expired - Lifetime
  • 1997-06-19 WO PCT/AT1997/000132 patent/WO1997049856A1/fr not_active Ceased
  • 1997-06-19 CA CA002258500A patent/CA2258500A1/fr not_active Abandoned
  • 1997-06-19 AT AT97926908T patent/ATE186961T1/de not_active IP Right Cessation
  • 1997-06-19 JP JP10501940A patent/JP2000513412A/ja not_active Ceased
  • 1997-06-20 ID IDP972127A patent/ID17073A/id unknown
  • 1997-06-21 TW TW086108708A patent/TW336966B/zh active
• 1998
  • 1998-12-15 US US09/212,104 patent/US6022378A/en not_active Expired - Fee Related
  • 1998-12-18 NO NO985955A patent/NO985955L/no not_active Application Discontinuation
• 2000
  • 2000-01-26 GR GR20000400180T patent/GR3032485T3/el unknown

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