EP0705357A1 - Guargalactomannane carboxymethyle utilise comme produit d'encollage - Google Patents

Guargalactomannane carboxymethyle utilise comme produit d'encollage

Info

Publication number
EP0705357A1
EP0705357A1 EP94920454A EP94920454A EP0705357A1 EP 0705357 A1 EP0705357 A1 EP 0705357A1 EP 94920454 A EP94920454 A EP 94920454A EP 94920454 A EP94920454 A EP 94920454A EP 0705357 A1 EP0705357 A1 EP 0705357A1
Authority
EP
European Patent Office
Prior art keywords
sizing
alkali metal
metal salts
carboxymethylguargalactomannans
use according
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.)
Granted
Application number
EP94920454A
Other languages
German (de)
English (en)
Other versions
EP0705357B1 (fr
Inventor
Hans-Peter Miemietz
Kaspar Schlueter
Sieg Waltenberger-Scharffetter
Bernhard Wuestnienhaus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cognis IP Management GmbH
Original Assignee
Henkel AG and Co KGaA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP0705357A1 publication Critical patent/EP0705357A1/fr
Application granted granted Critical
Publication of EP0705357B1 publication Critical patent/EP0705357B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/06—Guiding means for preventing filaments, yarns or threads from sticking together
    • 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
    • D06M7/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made of other substances with subsequent freeing of the treated goods from the treating medium, e.g. swelling, e.g. polyolefins
    • 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
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/40—Reduced friction resistance, lubricant properties; Sizing compositions

Definitions

  • the present invention relates to the use of alkali metal salts of carboxymethylguargalactomannans with degrees of substitution below 0.15 as sizing agents, and to a process for sizing natural and / or synthetic yarns using these compounds.
  • sizing agents are used in the weaving process in order to give the warp thread sufficient strength and, on the other hand, to stick protruding fibers to the yarn body or, in the case of filament yarns, to bond the individual filaments together. This increases the strength of the warp thread during weaving.
  • Well-known sizing agents are native or modified starches, carboxymethylcelluloses, polyvinyl alcohols and polyacrylates. The sizing agents usually have to be removed from the fabric again after the weaving process, since they would otherwise interfere with the subsequent finishing processes. One way of removing the sizing agents is to simply wash them out with water, which presupposes that the sizing agents can be washed out with water.
  • Such water-washable sizing agents are, in particular, carboxymethyl-substituted starches, carboxymethyl celluloses, polyvinyl alcohols and polyacrylates. Except for the carboxymethyl-substituted starches, the other sizing agents show only poor biodegradability.
  • the carboxymethylated starches are readily biodegradable, but leave something to be desired in their sizing effect, which is why they have to be used in large quantities, which in part has the advantage of good biodegradability is compensated again.
  • the poor biodegradability of the other sizing agents is particularly disadvantageous because sizing agents make up the main part of the wastewater pollution caused by the textile industry. It is assumed that the sizing agents cause up to 80% of the textile wastewater pollution. There has been no shortage of attempts to provide sizing agents with high efficiency and good water washability, which have improved biodegradability.
  • biodegradable sizing agents which are water-washable and which, at least in their sizing effect, are comparable or even better than the sizing agents used to date, such as carboxymethyl cellulose.
  • alkali metal salts of carboxymethylguargalactomannans with degrees of substitution below 0.15 are used as sizing agents.
  • Our own investigations have shown that special guargalacto anane derivatives, namely the alkali salts of carboxymethylated guargalactomannan, have good adhesion and good biodegradability if they have a low degree of substitution.
  • An object of the present invention is therefore the use of alkali salts of carboxymethylguargalactomannans with degrees of substitution below 0.15 as sizing agents for sizing natural and / or synthetic yarns.
  • carboxymethylated guargalactomannan and carboxymethylguargalactomannan are used synonymously.
  • Guar galactomannan products are produced from the endosperm of guar seeds.
  • Native guar products consist of galactomannans with small amounts of protein, fiber and fat as well as very small amounts of alkali and alkaline earth metals, iron and some trace elements.
  • the chemical structure of the galacto annane in guargalactomannan is described as a linear mannose chain, the mannose units being condensed with one another by (1 ⁇ 4) ⁇ -glycosidic bonds, and every second mannose unit being substituted by the hydrogen the primary hydroxyl group carries a galactose unit.
  • the galactose molecule is linked to the mannan main chain by a (1 -> 6) - - glycosidic bond.
  • the two sugar units have hydroxyl groups in the cis position, in contrast to glucose, the monomer of cellulose and the starch, which all hydroxyl groups have in the trans position.
  • the cis-hydroxyl groups and the stretched rigid structure of the galactomannan are the reason for many unique properties of guargalactomannan and its derivatives.
  • Guarga lactomannan can be modified like other polysaccharides. One type of modification is carboxymethylation, which produces anionic guar galactomannane derivatives.
  • the carboxymethylation can be analogous to the see US 2520 161 and US 2,477,544 by reacting the guar galactomannan with a cold aqueous solution of alkali metal hydroxides and then treating the alkali metal derivatives of guar galactomannan with a halogenated fatty acid or its salt. You can also carboxymethylate with other carboxylic acids or their salts, such as with glycolic acid or with sodium glycolate. Depending on the amount of reactants used and reaction times and conditions, different degrees of substitution of guar galactomannan are obtained. The maximum possible degree of substitution is 3. For the purposes of the invention, preference is given to those alkali metal salts of carboxylmethyl guar which have degrees of substitution from 0.05 to 0.15.
  • Guargalactomannan products show molecular weights that are in the range of 0.5 to 11 * 10 * ⁇ . If a modification such as carboxymethylation takes place, the guar galactomannan products are generally depolymerized at the same time. Since the molecular weight determination of such polymers can cause difficulties in practice, a move has been made to indicate the viscosity associated with this instead of the molecular weight.
  • alkali metal salts of oxidatively degraded carboxymethylguargalactomannan are used which, as a 4% strength by weight aqueous solution, have a Höppler viscosity at 20 ° C. between 10 and 3000 mPas, preferably between 20 and 500 mPas.
  • the alkali metal salts of carboxymethylguargalaktoman ⁇ nans may contain alkali metal halides as impurities.
  • the impurities in alkali halides can be reduced in a manner known per se, for example by washing out with a methanol / water mixture.
  • Another contamination which can occur after the above manufacturing processes are the salts of the glycolic acids, which can also be removed, for example, by washing with a methanol / water mixture.
  • alkali salts of carboxymethylguargalactomannans the corresponding sodium salt is particularly preferred.
  • the alkali metal salts of carboxymethylated guargalactomannan can be used alone or in any mixture with conventional sizing agents, preferably with the starch derivatives, polyvinyl alcohols and polyacrylates.
  • the mixing ratios are selected depending on the desired size properties and are in the amounts customary for the person skilled in the art.
  • the alkali salts of carboxymethylguargalactomannan can be used on all weaving machines as well as on all sizing machines such as marksmen, rapier and air-jet weaving machines.
  • the yarns can be both staple yarns and continuous yarns.
  • the yarns can be of natural origin, for example made of cotton or regenerated cellulose, and / or synthetic origin such as cellulose acetate, Polyester, polyacrylonitrile and polyamide. Particularly good results are achieved for cotton and regenerated cellulose and their blends with polyester.
  • the size coating of alkali metal salts of carboxymethylguargalactomannan with degrees of substitution below 0.15, alone or in a mixture with the usual sizes, is in the range from 1 to 25% by weight, based on the dry weight of the yarn.
  • the amount of alkali metal salts of carboxymethylated guargalactomannan is therefore in the range from approximately 1/3 to half of 100 parts of starch size and in the latter case in the range of the known synthetic sizes.
  • alkali metal salts of carboxymethylguarga lactomannans When using the alkali metal salts of carboxymethylguarga lactomannans according to the invention, there is an excellent sizing effect. Furthermore, the alkali metal salts of carboxymethylguargalactomannans show excellent biodegradability, which is even better at these low degrees of substitution than with only slightly more highly substituted guargalactomannans. In addition, alkali salts of carboxymethyl guar galactomannan dissolve quickly and free of lumps in the water, show no signs of skin formation, do not foam in the liquor and can be washed out with water.
  • Another object of the present invention is a method for sizing natural and / or synthetic yarns in a known manner with alkali salts of carboxymethylguargalakto annans, which is characterized in that alkali salts of carboxymethylguargalactomannans are used with degrees of substitution below 0.15.
  • the application of the alkali salt of carboxymethylguargalactomannan takes place, as is customary for sizing agents, as an aqueous solution with product concentrations of 10 to 150 g / l in the usual sizing machines.
  • the viscosity was determined according to Höppler in accordance with DIN 53015. Tested the above sodium salts of carboxymethylguargalactomannans, for example according to US 2477 544 or US 2520161 producible.
  • a scrubbing tester was developed to determine the sizing effect and was developed by the TN0, Delft / NL fiber institute.
  • the warp yarns were sized on a laboratory sizing machine from Sucker, Mönchengladbach, with 40 threads being sized from the creel.
  • Raw white cotton wool ring yarns of fineness N 50/1 were routinely used.
  • Table 1 summarizes the abrasion resistance found at various sizes (according to DIN 54285), expressed as the number of strokes up to the thread break (median value). Table 1: abrasion resistance table

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Biological Depolymerization Polymers (AREA)

Abstract

L'invention a pour objet l'utilisation de sels alcalins de carboxyméthylguargalactomannane à degrés de substitution inférieurs à 0,15 comme produit d'encollage, ainsi qu'un procédé d'encollage de filés naturels et/ou synthétiques utilisant ces composés.
EP94920454A 1993-06-24 1994-06-15 Guargalactomannane carboxymethyle utilise comme produit d'encollage Expired - Lifetime EP0705357B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4321016A DE4321016A1 (de) 1993-06-24 1993-06-24 Carboxymethyliertes Guargalaktomannan als Schlichtemittel
DE4321016 1993-06-24
PCT/EP1994/001948 WO1995000696A1 (fr) 1993-06-24 1994-06-15 Guargalactomannane carboxymethyle utilise comme produit d'encollage

Publications (2)

Publication Number Publication Date
EP0705357A1 true EP0705357A1 (fr) 1996-04-10
EP0705357B1 EP0705357B1 (fr) 1997-05-14

Family

ID=6491134

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94920454A Expired - Lifetime EP0705357B1 (fr) 1993-06-24 1994-06-15 Guargalactomannane carboxymethyle utilise comme produit d'encollage

Country Status (6)

Country Link
US (1) US5612475A (fr)
EP (1) EP0705357B1 (fr)
JP (1) JP3300358B2 (fr)
DE (2) DE4321016A1 (fr)
ES (1) ES2101547T3 (fr)
WO (1) WO1995000696A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6548296B1 (en) 1997-07-23 2003-04-15 Roche Diagnostics Gmbh Methods for identifying human cell lines useful for endogenous gene activation, isolated human lines identified thereby, and uses thereof
FR2815355B1 (fr) * 2000-10-18 2003-03-14 Rhodia Chimie Sa Composition a base de polysaccharide anionique pour le soin du linge

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2477544A (en) * 1945-08-25 1949-07-26 Gen Mills Inc Carboxyalkyl ethers of carbohydrate gums
US2520161A (en) * 1946-04-25 1950-08-29 Gen Mills Inc Carboxyalkyl ethers of carbohydrate gums
US4011393A (en) * 1975-04-28 1977-03-08 Celanese Corporation Polygalactomannan gum formate esters
US4031306A (en) * 1975-12-15 1977-06-21 Celanese Corporation Polygalactomannan allyl ether compositions
DE3016561C2 (de) * 1980-04-29 1982-04-01 Diamalt AG, 8000 München Schlichtemittel und Verfahren zu seiner Herstellung
DE3709698C1 (de) * 1987-03-25 1988-10-27 Diamalt Ag Schlichtemittel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9500696A1 *

Also Published As

Publication number Publication date
US5612475A (en) 1997-03-18
DE4321016A1 (de) 1995-01-05
JP3300358B2 (ja) 2002-07-08
WO1995000696A1 (fr) 1995-01-05
JPH08511832A (ja) 1996-12-10
DE59402765D1 (de) 1997-06-19
ES2101547T3 (es) 1997-07-01
EP0705357B1 (fr) 1997-05-14

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