EP1399607B1 - Materiau a base de cellulose adapte a une coloration peu saline et a une impression a hauts rendements de couleur et a hautes solidites de couleur, a une impression par des procedes a jet d'encre et a une impression par transfert a l'etat humide - Google Patents
Materiau a base de cellulose adapte a une coloration peu saline et a une impression a hauts rendements de couleur et a hautes solidites de couleur, a une impression par des procedes a jet d'encre et a une impression par transfert a l'etat humide Download PDFInfo
- Publication number
- EP1399607B1 EP1399607B1 EP02748721A EP02748721A EP1399607B1 EP 1399607 B1 EP1399607 B1 EP 1399607B1 EP 02748721 A EP02748721 A EP 02748721A EP 02748721 A EP02748721 A EP 02748721A EP 1399607 B1 EP1399607 B1 EP 1399607B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- printing
- fabric
- cellulosic
- cellulose
- dyeing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 44
- 229920002678 cellulose Polymers 0.000 title claims abstract description 32
- 239000001913 cellulose Substances 0.000 title claims abstract description 32
- 239000000975 dye Substances 0.000 title claims abstract description 32
- 238000007639 printing Methods 0.000 title claims abstract description 25
- 238000004043 dyeing Methods 0.000 title claims abstract description 24
- 238000010023 transfer printing Methods 0.000 title claims description 7
- 239000000463 material Substances 0.000 title abstract description 19
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims abstract description 26
- 239000000835 fiber Substances 0.000 claims abstract description 24
- 238000009987 spinning Methods 0.000 claims abstract description 16
- 239000004753 textile Substances 0.000 claims abstract description 15
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical group NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 150000003839 salts Chemical class 0.000 claims abstract description 7
- 125000000129 anionic group Chemical group 0.000 claims abstract description 4
- 239000004744 fabric Substances 0.000 claims description 38
- TWNIBLMWSKIRAT-VFUOTHLCSA-N levoglucosan Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@H]2CO[C@@H]1O2 TWNIBLMWSKIRAT-VFUOTHLCSA-N 0.000 claims description 5
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims description 2
- 239000011888 foil Substances 0.000 claims 1
- 239000002759 woven fabric Substances 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000002351 wastewater Substances 0.000 abstract description 3
- 239000000654 additive Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 23
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 18
- 239000000985 reactive dye Substances 0.000 description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 229920000297 Rayon Polymers 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 238000001556 precipitation Methods 0.000 description 8
- WXQMFIJLJLLQIS-UHFFFAOYSA-N reactive blue 21 Chemical compound [Cu+2].C1=CC(S(=O)(=O)CCO)=CC=C1NS(=O)(=O)C1=CC=C2C([N-]3)=NC(C=4C5=CC=C(C=4)S(O)(=O)=O)=NC5=NC(C=4C5=CC=C(C=4)S(O)(=O)=O)=NC5=NC([N-]4)=C(C=C(C=C5)S(O)(=O)=O)C5=C4N=C3C2=C1 WXQMFIJLJLLQIS-UHFFFAOYSA-N 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229920000742 Cotton Polymers 0.000 description 7
- 239000003513 alkali Substances 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 5
- 239000008186 active pharmaceutical agent Substances 0.000 description 5
- 239000004202 carbamide Substances 0.000 description 5
- 239000003086 colorant Substances 0.000 description 5
- 238000007641 inkjet printing Methods 0.000 description 5
- 239000010981 turquoise Substances 0.000 description 5
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 239000010446 mirabilite Substances 0.000 description 4
- RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 description 4
- 238000010186 staining Methods 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 238000007127 saponification reaction Methods 0.000 description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-N sodium;hydron;carbonate Chemical compound [Na+].OC(O)=O UIIMBOGNXHQVGW-UHFFFAOYSA-N 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000002562 thickening agent Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 239000000976 ink Substances 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004045 reactive dyeing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 229910000033 sodium borohydride Inorganic materials 0.000 description 2
- 239000012279 sodium borohydride Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 description 1
- 229920000433 Lyocell Polymers 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 1
- 230000007073 chemical hydrolysis Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010017 direct printing Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000000834 fixative Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical group 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000015598 salt intake Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000002166 wet spinning Methods 0.000 description 1
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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/30—Ink jet printing
-
- 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
- D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
- D01F11/02—Chemical after-treatment of artificial filaments or the like during manufacture of cellulose, cellulose derivatives, or proteins
-
- 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
- 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
- D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
-
- 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
- D06P1/0032—Determining dye recipes and dyeing parameters; Colour matching or monitoring
-
- 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 method for producing a cellulosic fiber or fabric by spinning or extruding a cellulosecarbamathigen spinning or extrusion solution and by conventional further processing to cellulosic fiber or fabric, wherein the carbamate groups in the cellulosic fiber or fabric are hydrolyzed so far that in the cellulosic fiber and sheet form 0.02 to 0.85 carbamate remain per anhydroglucose unit. Furthermore, it relates to advantageous uses of this process product. A comparable prior art is apparent from DE 38 20 415 A1.
- a major drawback of the formulations used today for dyeing cellulosic fibers is the use of very high levels of salt to achieve good fixative yields.
- the dye liquors are still added on average to about 50 g / l of sodium chloride or of sulfate.
- Salt consumption in reactive dyeing is estimated to be 1.8 million tonnes per year worldwide.
- the steps in wet-transfer printing with fiber-reactive dyes are the printing of a pattern onto a specially coated paper by means of rotary-film printing, intermediate drying and eventual storage of the printed paper, contacting this printed paper with a wet web of cellulosic material which is generally impregnated with some fixing alkali.
- the fiber-reactive dye is transferred from the paper to the textile containing cellulosic fibers.
- both steps i. both the printing of the paper and the dye transfer to the textile yield losses in yield by hydrolysis of the reactive dye or by incomplete transfer of the dye from the paper to the textile.
- the first step about 10 to 15% dye is lost, in the second step about 20 to 30%.
- the resulting dyed or printed substrates should have high fastnesses (washing, light and rubbing fastness).
- these cellulose-based materials must be preparable by the conventional processes in the textile industry.
- the chemicals for the production of these materials should be inexpensive.
- This object is achieved in accordance with the invention by printing and / or dyeing the cellulosic fibrous or flat structures with the content of 0.02 to 0.85 carbamate groups per anhydroglucolysis unit.
- the process according to the invention is preferably carried out in such a way that after the spinning or extrusion process the cellulose carbamates produced contain in particular 0.03 to 0.31 carbamate groups per anhydroglucose unit, corresponding to nitrogen contents of 0.17 to 6% by weight, in particular 0.23 to 2 , 5 wt .-%.
- the preparation of the cellulose carbamate starting material is preferably carried out by the process described in DE 196 35 707, in which a small amount of a solvent-containing inclusion cellulose is reacted with a urea melt.
- the fibrous cellulose carbamate starting material typically has nitrogen contents of 2.0 to 6.0%, depending on the conditions of the synthesis.
- Cellulose carbamate solutions are prepared which preferably have a concentration of 7 to 12 wt .-%, based on ⁇ -cellulose. This can be done, for example, by dissolving the cellulose carbamate in an approximately 1 to 10% strength by weight, in particular approximately 4% strength by weight, sodium hydroxide solution.
- this solution into a fibrous or flat structure takes place in a preferred embodiment by a wet spinning or wet extrusion process from alkaline solution in which the solution is introduced through a corresponding spinneret or extrusion orifice into a precipitation bath.
- the precipitation bath contains a dilute acid, in particular dilute sulfuric acid.
- a lower alcohol can be used, in particular methanol, which likewise triggers precipitation (coagulation) of the polymer.
- the alcohol is selected such that the alcohol required for the preparation of the inclusion cellulose and the alcohol used as the precipitation medium are identical, so that a recovery of the alcohol, in particular by distillation processes, as well as the recovery of the alkali used is facilitated and cost is practicable.
- the entrained acid from the precipitation bath is removed by washing in a bath with a weakly alkaline, aqueous medium, in particular in a bicarbonate-containing aqueous medium.
- the fiber structure obtained according to the invention is preferably processed into a woven, knitted or nonwoven fabric.
- Such materials have not been used for dyeing purposes and textile printing.
- the fibrous or flat structures containing carbamate groups show highly affine properties in comparison with reactive dyes, as a result of which dyeings and prints of hitherto unknown quality are obtained. It has been found that a high content of carbamate groups leads to a high affinity of the material for textile dyes. This means that a high degree of substitution leads to high achievable color yields or color depths.
- the cellulosic fibers or fabrics or the fabrics, knits or nonwovens made therefrom are subjected to dyeing or printing.
- a particular advantage of the method is that the dye solutions used need not have a high electrolyte content, whereby the wastewater quality and the possibility of water recycling are significantly improved. Particularly good results are achieved when using anionic textile dyes.
- a particularly preferred embodiment consists in the use of fiber-reactive dyes with which very high color yields can be achieved.
- a reactive dye solution is used, for standard reactive dyes (eg CI Reactive Red 158) a salt concentration of less than 35 g / l, in particular less than 15 g / l, and for difficult to fix reactive dyes (eg CI Reactive Blue 21) of less than 50 g / l, in particular less than 25 g / l.
- Another object of the present invention consists in cellulosic fiber or fabric produced by the above method and their use, in particular as outerwear or underwear, lining material, fabric, technical textile, hygiene or medical fleece, sponge cloth and film.
- the color fastness in particular the surprisingly good lightfastnesses and the markedly improved wet scrub fastnesses compared to normal viscosity should be emphasized.
- the necessary amount of salt in dyeing liquors can be greatly reduced. Due to these properties, these materials are particularly suitable for printing with fiber-reactive dyes by the inkjet and wet transfer methods.
- the spinning solution is spun at 5 ° C in a precipitation bath with 10% sulfuric acid (room temperature), washed in a further, slightly acidified by bicarbonate bath, then washed again in a water bath and wound onto a bobbin.
- the yarn withdrawal speed was 72 m / min, number of individual filaments: 40, titer: 110 dtex, nitrogen content: 1.5%, DS 0.18.
- One knitted fabric made from this was dyed with the readily fixable reactive dye CI Reactive Red 158 as well as with the hard-fixable fiber-reactive turquoise dye CI Reactive Blue 21 by the exhaustion process in a closable dyeing cup made of stainless steel.
- Table 4 shows the wet rub fastnesses for dyeings with CI Reactive Red 158 (3% dyeing concentration) on cellulose carbamate (CC1) and viscose (CV).
- the wet rub fastnesses were determined according to DIN EN ISO 105 X12.
- Table 4 shows the comparison between CC1 and CV.
- the spun fibers of cellulose carbamate obtained in Example 2 are saponified by treatment with 60% warm 2% strength by weight sodium hydroxide solution to a nitrogen content of 0.24% by weight, corresponding to a DS of 0.03. These filaments were processed into a fabric (CC3) with a grammage of 120 g.
- the fabric was impregnated with a solution containing 3% by weight of sodium bicarbonate, 10% by weight of urea and 0.5% by weight of sodium borohydride for 5 minutes between dried and printed analogously to Example 2.
- the pressure is fixed by 10 minutes treatment in saturated steam at 102 ° C.
- the fabric is washed twice with 95 ° C hot water and once with cold water.
- Table 6 shows the color depth obtained for each of the 6 different colors on the basis of the K / S values in comparison to viscose fabric, which was impregnated and printed by an analogous method.
- the cellulose carbamate CC 2 fabric prepared according to Example 2 was printed by the wet transfer method with CI Reactive Blue 21.
- a paste was prepared which contained a thickener and 10 parts of liquid dye CI Reactive Blue 21.
- the proportion of thickener was chosen so that a paste viscosity of 2000 mPa ⁇ s at a shear rate of 10 s -1 resulted.
- the paste was left to evaporate in the refrigerator overnight, 5 parts (based on the weight of the paste) of sodium bicarbonate and 0.5 parts of sodium borohydride added and stirred briefly again.
- This color paste was printed on a coated gp base paper at a printing speed of 60 m / min using a 125-mesh rotary stencil and a 1 cm squeegee. After drying by means of an IR dryer, the paint application was determined spectrophotometrically.
- pretreated cotton fabric (135 g / m 2 ) or fabric made of cellulose carbamate according to Example 1 and 2 was used. The two fabrics were each impregnated with 5 wt .-% sodium hydroxide solution and squeezed by means of a padder to a moisture content of 60%. The transfer using the transfer paper was carried out by pressing the paper twice on the fabric on the padder.
- the transfer prints were fixed for 16 hours at room temperature in the manner of the pad-cold paddling method.
- the results of the printing are shown in Table 7 on the basis of the K / S values, the degree of exhaustion, the amount of dye transferred to the respective fabric [%] and the through-pressure.
- a cellulose carbamate (nitrogen content 2.9 wt .-%) was prepared analogously to Example 1, washed and, similarly to Example 1, prepared a spinning solution. The spinning solution is spun at room temperature into a coagulation bath containing ordinary technical grade methanol. The thread is then washed and processed analogously to Example 1.
- the nitrogen content of the carbamate thread (CC4) was 2.1%, corresponding to a DS of 0.26.
- a knitted fabric made from this was dyed with the hard-to-fix fiber-reactive turquoise dye CI Reactive Blue 21 by the exhaustion process in a closable stainless steel dyeing cup. By comparison, a fabric of textile viscose was dyed under identical conditions.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Coloring (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Paper (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Claims (10)
- Procédé de production d'un corps de fibres ou d'un corps plan cellulosique par filage ou extrusion d'une solution de filature ou solution d'extrusion contenant du carbamate de cellulose et par transformation ultérieure habituelle en corps de fibres ou corps plans cellulosiques, les groupes carbamate présents dans les corps de fibres ou les corps plans cellulosiques étant hydrolysés dans une mesure telle qu'il reste dans les corps de fibres et les corps plans cellulosiques 0,02 à 0,85 groupe carbamate par motif anhydroglucose, caractérisé en ce que les corps de fibres ou les corps plans cellulosiques ayant la teneur en 0,02 à 0,85 groupe carbamate par motif anhydroglucose sont imprimés et/ou teints.
- Procédé suivant la revendication 1, caractérisé en ce qu'il reste 0,03 à 0,31 groupe carbamate par motif anhydroglucose après l'hydrolyse.
- Procédé suivant la revendication 1 ou 2, caractérisé en ce que les corps plans cellulosiques sont imprimés et/ou teints sous forme d'un tissu, d'un tricot ou d'un voile.
- Procédé suivant la revendication 1 ou 2, caractérisé en ce que des fibres cellulosiques sont teintes.
- Procédé suivant l'une des revendications 1 à 3, caractérisé en ce que l'impression est effectuée par impression par jet d'encre ou par impression par transfert à l'humide.
- Procédé suivant l'une des revendications 1 à 5, caractérisé en ce qu'on utilise pour la teinture ou pour l'impression un colorant anionique pour matière textile.
- Procédé suivant l'une des revendications 1 à 5, caractérisé en ce qu'on utilise pour la teinture ou l'impression un colorant portant un groupe réactif avec la fibre.
- Procédé suivant la revendication 7, caractérisé en ce que la teinture est effectuée avec une solution de colorant qui présente une concentration en sel de moins de 50 g/l.
- Procédé suivant la revendication 8, caractérisé en ce que la solution de colorant présente une concentration en sel de moins de 25 g/l.
- Utilisation du corps de fibres ou corps plan cellulosique imprimé et/ou teint, obtenue par un procédé selon l'une au moins des revendications précédentes, comme étoffe pour vêtements de dessus ou pour sous-vêtements, étoffe pour doublures, tissu d'ameublement, matière textile technique, voile pour l'hygiène ou la médecine, tissu éponge ou film.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10126244 | 2001-05-30 | ||
DE10126244A DE10126244B4 (de) | 2001-05-30 | 2001-05-30 | Verfahren zur Herstellung eines cellulosischen Faser- oder Flächengebildes sowie die Verwendung des danach erhaltenen Gewebes, Gestricks oder Vliesstoffs |
PCT/EP2002/005858 WO2002097175A2 (fr) | 2001-05-30 | 2002-05-28 | Materiau a base de cellulose adapte a une coloration peu saline et a une impression a hauts rendements de couleur et a hautes solidites de couleur, a une impression par des procedes a jet d'encre et a une impression par transfert a l'etat humide |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1399607A2 EP1399607A2 (fr) | 2004-03-24 |
EP1399607B1 true EP1399607B1 (fr) | 2007-02-14 |
Family
ID=7686589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02748721A Expired - Lifetime EP1399607B1 (fr) | 2001-05-30 | 2002-05-28 | Materiau a base de cellulose adapte a une coloration peu saline et a une impression a hauts rendements de couleur et a hautes solidites de couleur, a une impression par des procedes a jet d'encre et a une impression par transfert a l'etat humide |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1399607B1 (fr) |
AT (1) | ATE353989T1 (fr) |
AU (1) | AU2002319185A1 (fr) |
DE (2) | DE10126244B4 (fr) |
WO (1) | WO2002097175A2 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10339113A1 (de) * | 2003-08-22 | 2005-03-10 | Kalle Gmbh & Co Kg | Eingefärbtes Schwammtuch und Verfahren zu dessen Herstellung |
AT511002A1 (de) * | 2011-02-08 | 2012-08-15 | Univ Innsbruck | Verfahren zur verformung von cellulosecarbamat und produkte, die nach diesem verfahren hergestellt werden |
CN102691125B (zh) * | 2012-06-19 | 2014-01-01 | 武汉大学 | 一种由纤维素氨基甲酸酯制备再生纤维素纤维的方法 |
CN104195662A (zh) * | 2013-11-10 | 2014-12-10 | 湖北金环股份有限公司 | 半连续纺生产cc纤维素长丝的方法 |
CN104404797B (zh) * | 2014-11-17 | 2016-08-24 | 浙江恒生印染有限公司 | 一种黑色再生纤维素纤维筒子纱的活性染料低碱染色方法 |
CN109575314B (zh) * | 2018-12-27 | 2021-05-11 | 广西科技大学 | 一种溶解纤维素的方法 |
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FI64605C (fi) * | 1982-03-30 | 1983-12-12 | Neste Oy | Foerfarande foer behandling av fibrer av cellulosaderivat |
AT384813B (de) * | 1984-10-09 | 1988-01-11 | Chemiefaser Lenzing Ag | Verfahren zur herstellung von cellulosecarbamaten |
FI77673C (fi) * | 1987-07-07 | 1989-04-10 | Neste Oy | Foerfarande foer saenkning av karbamathalten i produkter som framstaellts ur cellulosakarbamat och produkter som framstaellts med foerfarandet. |
DE19635707C1 (de) * | 1996-09-03 | 1998-04-02 | Inst Textil & Faserforschung | Verfahren zur Herstellung von Cellulosecarbamat |
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2001
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2002
- 2002-05-28 AU AU2002319185A patent/AU2002319185A1/en not_active Abandoned
- 2002-05-28 WO PCT/EP2002/005858 patent/WO2002097175A2/fr active IP Right Grant
- 2002-05-28 EP EP02748721A patent/EP1399607B1/fr not_active Expired - Lifetime
- 2002-05-28 AT AT02748721T patent/ATE353989T1/de active
- 2002-05-28 DE DE50209491T patent/DE50209491D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
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DE50209491D1 (de) | 2007-03-29 |
WO2002097175A3 (fr) | 2003-03-13 |
DE10126244A1 (de) | 2002-12-12 |
DE10126244B4 (de) | 2005-05-12 |
AU2002319185A1 (en) | 2002-12-09 |
EP1399607A2 (fr) | 2004-03-24 |
WO2002097175A2 (fr) | 2002-12-05 |
ATE353989T1 (de) | 2007-03-15 |
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