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
  • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
  • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • D06M15/507—Polyesters
  • D06M15/513—Polycarbonates
• • 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
  • D01F11/04—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers
  • D01F11/08—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
• • 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
  • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
  • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
  • D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
  • D01F6/605—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides from aromatic polyamides
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F41—WEAPONS
  • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
  • F41H1/00—Personal protection gear
  • F41H1/02—Armoured or projectile- or missile-resistant garments; Composite protection fabrics
• • 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
  • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
  • D06M2101/16—Synthetic fibres, other than mineral fibres
  • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • D06M2101/34—Polyamides
  • D06M2101/36—Aromatic polyamides
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
  • D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
  • D10B2331/021—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides aromatic polyamides, e.g. aramides
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2401/00—Physical properties
  • D10B2401/06—Load-responsive characteristics
  • D10B2401/063—Load-responsive characteristics high strength
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2501/00—Wearing apparel
  • D10B2501/04—Outerwear; Protective garments
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2507/00—Sport; Military
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
  • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
  • Y10T442/2861—Coated or impregnated synthetic organic fiber fabric

Definitions

• the invention relates to a textile fabric of aramid fibers and its use.
• Textile fabrics of aramid fibers and their use in the manufacture of e.g. of antiballistically active textile fabrics are known. These fabrics typically contain aramid fibers which have been provided with equipment comprising a polyglycol ester of oleic acid during their manufacture. Such equipment is available under the designation Leomin OR from Clariant, DE. US 4,652,488 describes the equipment of aramid fibers with Leomin OR.
• Steps 5i to 5e exists.
• Steps 5i to 5e corresponding steps
• Steps 5i to 5e corresponding steps
• step 15) indicates that the residual content of the equipment is> 0.1% by weight, at least some of the steps 1) to 15) must be repeated until the permitted residual content of equipment of ⁇ 0.1% by weight .-% is achieved.
• the object of the present invention is to render the abovementioned washing and masking process either completely unnecessary for providing a textile fabric of aramid fibers which is suitable for the application of a water-repellent agent, or at least significantly reducing the cost of the process.
• a textile fabric made of aramid fibers which are equipped with a lubricant, wherein the lubricant comprises a carbonic acid polyester.
• the textile fabric according to the invention can be rendered water-repellent directly, ie omitting the 25-step washing and masking process described above, and yet shows similarly good v 50 values not only in the dry but also in the wet state in the case of bullet and shatter bombardment like the fabric described above with aramid fibers with a polyglycol ester of oleic acid comprising equipment, which still has to undergo the above-described 25 washing and masking steps in front of its water-repellent finish.
• the textile fabric according to the invention which is washed as described in the initially described process with steps 1) to 15), but in step 10) only 6 passages are carried out and in step 14) the fabric is sprayed with water only and not and the masking steps 16) to 24) are omitted, even a v 50 value higher than the v 50 value of a fabric having aramid fibers with a polyglycol ester of oleic acid comprising equipment before its water-repellent finish, all of the above-described 25 wash and mask steps must be completed.
• textile fabrics of aramid fibers means that the textile fabric according to the invention comprises at least 50% by weight, preferably at least 65% by weight, more preferably at least 80% by weight and particularly preferably at least 95% Wt .-% of aramid fibers.
• the textile fabric according to the invention consists entirely of aramid fibers which are provided with a finishing agent, wherein the finishing agent comprises a carbonic acid polyester.
• the term "carbonic acid polyester” means a polymer prepared by polycondensation of a carbonic acid ester or carbonic acid dichloride with one or more diols, wherein one or both chain ends of the carbonic acid polyester may consist of one hydroxyl group or one or both chain ends
• the carbonic acid ester used for the polycondensation is a dialkyl carbonate
• the diol used for the polycondensation may be an aliphatic diol or a polyalkylene glycol.
• the carbonic acid polyester has the structural formula (I)
• Ri is a linear or branched, saturated or monounsaturated
• R 2 is H or CH 3 ,
• R 3 H or the group -C- (O-CH 2 -CH 2 ) n -O-Ri,
• n is an integer from 0 to 10
• n is an integer from 5 to 16 and
• z is an integer from 1 to 3
• the carbonic acid polyester of Structural Formula (I), its preferred embodiments and methods of preparation are described in US 5,569,408.
• the finishing agent used to finish the aramid fibers comprising the fabric of the present invention may consist of 100% of a carbonic acid polyester, which is preferably a carbonic acid polyester of structural formula (I).
• the carbonic acid polyester preferably the carbonic acid polyester of the structural formula (I), as an aqueous solution or as a solution or emulsion in an organic solvent, e.g. in ethanol.
• the finishing agent consists of a carbonic acid polyester of the formula (I), an alkylpolyglycol ether, a potassium alkyl phosphate and an ethoxylated and / or propoxylated fatty alcohol, the substances mentioned being formulated in water.
• a finish is available from Bozetto (Italy) under the brand Estesol NC 91.
• the finishing agent consists of a carbonic acid polyester of the formula (I), an alkylpolyglycol ether, a potassium alkyl phosphate, an ethyoxylated alcohol and a polyglycol ester, the substances mentioned being formulated in water.
• Such a finish is also available from Bozetto (Italy) under the brand Estesol CB 95.
• the aramid fibers finished with the finishing agent have from 0.1 to 1.5% by weight, particularly preferably from 0.2 to 1.0% by weight, of avivage solids, based on their weight is meant by the wt .-% AvivagefestScience the solid, which is the sum of the solid of the carbonic acid polyester, preferably the carbonic acid polyester of the structural formula (I), and optionally the kylpolyglykolethers, the potassium alkyl phosphate, the ethoxylated and / or propoxylated Fatty alcohol, ethoxylated alcohol and polyglycol ester.
• the carbonic acid polyester preferably the carbonic acid polyester of the structural formula (I)
• comprehensive smoothing on the aramid fibers each method is suitable, whereby the desired amount of finishing agent can be applied to the aramid fibers.
• the finish comprising the carbonic acid polyester may be applied during the manufacturing process of the aramid fibers after washing and before drying with a nozzle or with an applicator or with a kiss roll, after which the aramid fibers are dried and be wound up.
• Applying a kiss roll means that a rotating roll is partially immersed in a bath in which the softening comprising the carbonic acid polyester, e.g. as an aqueous solution.
• a film is formed from the finishing agent comprising the carbonic acid polyester.
• the aramid fibers are brought into contact with the film and thereby scavenged.
• finishing agent comprising the carbonic acid polyester, preferably the carbonic acid polyester of the structural formula (I)
• the finishing agent can also be carried out in a process downstream of the aramid fiber preparation. This can be done e.g. unwind the fiber from the roll and bring it into contact with the finish, the finish being free of water and / or organic solvent and present as an oil or melt.
• the textile fabric according to the invention can in principle be any type of fabric which can be produced from aramid fibers.
• the textile fabric according to the invention is a woven, knitted or knitted fabric or a uniaxial or multiaxial fabric.
• the term fabric encompasses all types of bonding, e.g. Plain weave, satin weave, Panama weave, twill weave and the like.
• the fabric has plain weave.
• the fabric is a double layer of a fabric, this double layer comprising a first fabric layer consisting of a first thread group of 3.5 to 20 threads / cm with a denier of at least 210 dtex, which is at least 65 % of the weight of this fabric layer, and consists of a second thread group of 0.5 to 16 threads / cm with a denier of at least 50 dtex, the second thread group transverse to the first thread group and the ratio of the number of threads / cm of the first thread group to the number of threads / cm of the second thread group> 1, as well as a second fabric layer consisting of a first thread group of 0.5 to 16 threads / cm and a denier of at least 50 dtex and a second thread group of 3.5 to 20 threads / cm and a titer of at least 210 dtex, which makes up at least 65% of the weight of this fabric layer, the second group of threads transverse to the
• the second thread group of the first fabric layer and the first thread group of the second fabric layer are not made of aramid fibers, but e.g. consist of polyester fibers.
• the threads of each of the two fabric layers of the fabric double layer are joined together, for example by sewing or preferably by means of an adhesive material.
• the adhesive material may be an adhesive.
• the adhesive material may also be an adhesive layer provided between the two fabric layers of the fabric double layer.
• adhesive materials thermoplastic or elastomeric or thermosetting materials can be used.
• a material may be used which melts under pressure and / or heating, whereby the threads of the first thread group or the second thread group with the threads of the second thread group or the first thread group and optionally also the two fabric layers are joined together.
• Thermoplastic materials useful as adhesive materials include polyolefins such as polyethylene and polypropylene, polyamides, polyesters, or blends of these materials.
• Elastomeric materials useful as adhesive materials include Kraton® , rubber, silicone, and the like.
• the thermosetting materials employable as adhesive materials are epoxy resins, polyester resins, phenolic resins, vinyl ester resins, and the like.
• the fabric is a double layer of a fabric
• at least one of the outer surfaces of the double layer with a Provided protective layer.
• the protective layer may consist of a thermoplastic, a thermosetting or an elastomeric material or a mixture of these materials. The protective layer is applied to protect the fabric from damage caused by excessive scrubbing and to further improve the ballistic properties.
• the textile fabric according to the invention is a double layer of a fabric
• the two layers of the double layer are not crosswise to one another and are optionally connected to one another.
• tissue encompasses all types of binding, such as e.g. Plain weave, satin weave, Panama weave, twill weave and the like.
• the fabrics have plain weave.
• the textile fabric according to the invention comprises aramid fibers.
• aramid fibers preferably means filament yarns made from aramids, i.e. aromatic polyamides wherein at least 85% of the amide (-CO-NH-) bonds are bonded directly to two aromatic rings.
• Aromatic polyamides particularly preferred for the present invention are p-aramids, in particular poly-p-phenylene terephthalamide, a homopolymer resulting from the mol: mol polymerization of p-phenylenediamine and terephthalic acid dichloride. Therefore, in a preferred embodiment, the aramid fibers comprising the textile fabric according to the invention are p-aramid fibers, in particular poly-p-phenylene terephthalamide fibers and more preferably poly-p-phenylene terephthalamide filament yarns sold under the name Twaron by Teijin Aramid GmbH (DE) are.
• DE Teijin Aramid GmbH
• aromatic copolymers in which para-phenylenediamine and / or terephthalic acid partially or completely substituted by other aromatic diamines and / or dicarboxylic acid chlorides.
• the textile fabric of the present invention allows drastic simplification for providing a water-repellent finished fabric of aramid fibers. This advantage is correspondingly noticeable when the textile fabric according to the invention is used to produce a penetration-inhibiting article. Therefore, the use of the textile fabric according to the invention for the production of a penetration-inhibiting article is also part of the present invention.
• At least one textile fabric according to the invention is used.
• a plurality of textile fabrics according to the invention are used, wherein the person skilled in the art can determine the number of textile fabrics according to the invention to be used according to the intended penetration-inhibiting protective effect.
• the textile fabric according to the invention is preferably used as a fabric, wherein at least one fabric is used. If multiple tissues are used, the tissues are stacked in a package. In the package, the individual webs can be unconnected to one another or preferably by sewing or by another suitable joining technique, such as sewing. by partial bonding, be connected to each other.
• the textile fabric according to the invention is preferably used as a fabric double layer, wherein at least one fabric double layer is used becomes. If multiple tissue double layers are used, the tissue double layers are stacked in a package. However, the individual fabric double layers may be connected to each other by sewing or with an adhesive layer, wherein the adhesive layer preferably has a thickness between 4 and 36 ⁇ and particularly preferably a thickness between 8 and 20 ⁇ .
• the package may consist of a succession of fabrics and fabric double layers according to the invention.
• the tissues (G) and tissue double layers (D) according to the invention can follow one another alternately, ie in the sequence (G / D) n or preferably blockwise, that is to say in the sequence (Gg / D d ) m.
• n is the number of (G / D) pairs in the packet
• m is the number of (G g / D d ) pairs in the packet
• g is the number of tissues in tissue block G
• d is the number of tissue bilayers in the tissue Double layer block D.
• the person skilled in the art can determine the numerical values for n, m, g and d depending on the intended penetration-inhibiting protective effect.
• the penetration-inhibiting softballistic article is an anti-splintering mat, a bullet-proof vest, a splinter-proof vest, a stab-resistant vest or a combination of at least two of said articles.
• a poly-p-phenylene terephthalamide filament yarn (Twaron Type 2040, 930dtex 1000 tO) is provided in its manufacturing process after washing and before drying with Leomin OR (Clariant, DE).
• the dried fiber contains 0.6 to 0.8 wt .-% Leomin OR solid.
• the yarn resulting from a) is processed into a fabric with L 1/1 bond with 10.5 threads per cm in warp and weft and with a basis weight of 200 g / m 2 .
• tissue resulting from b) is prewashed in the steps described below (see steps 1) to 6)), rinsed (see steps 7) to 11)), rinsed (see steps 12) to 15)) and masked and dried ( see steps 16) to 25)).
• Steps 5i to 5e exists.
• Steps 5i to 5e corresponding steps
• Steps 5i to 5e corresponding steps
• the tissue resulting after step 25) of c) is passed through a temperature-controlled bath consisting of water and based on the water of 60 g / l Oleophobol SL, 30 g / l Oleophobol SM and 10 g / l Phobol XAN (all from Huntsman, DE). Thereafter, the fabric is squeezed, dried at 120 ° C and heat treated at a temperature of 190 ° C for 50 seconds.
• the 22 layers of the resulting d) tissue are piled into a package.
• the package is fired with ammunition type bullets 9mm DM 41 and the v 50 value determined.
• the v 50 value of the dry package is 470 ⁇ 7 m / s (see table).
• Another 14 layers of the resulting tissue from d) are piled into a package.
• the package will be fired with splitter type 1 .1 FSP splinters and the v 50 value determined.
• the v 50 value of the package is 484 ⁇ 6 in the dry state and 466 ⁇ 8 m / s in the wet state (see table).
• a poly-p-phenylene terephthalamide filament yarn (Twaron Type 2040, 930 dtex, flOetO) is finished in its production process after washing and before drying with Estesol NC 91 from Bozetto (Italy).
• the dried fiber contains 0.26% by weight of Estesol NC 91 solid.
• the yarn resulting from a) is processed into a fabric with L 1/1 bond with 10.5 threads per cm in warp and weft and with a basis weight of 200 g / m 2 .
• the tissue resulting from b) is passed through a bath conditioned to room temperature, consisting of water and, based on the water, 60 g / l oleophobol SL, 30 g / l oleophobol SM and 10 g / l Phobol XAN (all from Fa Huntsman, DE). Thereafter, the fabric is squeezed, dried at 120 ° C and heat treated at a temperature of 190 ° C for 50 seconds.
• the 22 layers of the resulting d) tissue are piled into a package.
• the package is fired with ammunition type bullets 9mm DM 41 and the v 50 value determined.
• the v 50 value of the dry package is 475 ⁇ 8 m / s (see table).
• Another 14 layers of the resulting tissue from d) are piled into a package.
• the package will be fired with splitter type 1 .1 FSP splinters and the v 50 value determined.
• the v 50 value of the package is 493 ⁇ 13 in the dry state and 472 ⁇ 14 m / s in the wet state (see table).
• a poly-p-phenylene terephthalamide filament yarn (Twaron Type 2040, 930 dtex, flOetO) is finished in its production process after washing and before drying with Estesol NC 91 from Bozetto (Italy).
• the dried fiber contains 0.26% by weight of Estesol NC 91 solid.
• the yarn resulting from a) is processed into a fabric with L 1/1 bond with 10.5 threads per cm in warp and weft and with a basis weight of 200 g / m 2 .
• the tissue resulting from b) is prewashed as in the comparative example in steps 1) to 6) and washed in steps 7) to 1 1), but with the difference that in step 10) instead of 10 passages only 6 passages are carried out significantly less time, water and energy is consumed than in the comparative example.
• the fabric passes through steps 12) -15), but with the difference that in step 14) the fabric is not rinsed but merely sprayed with water, which further reduces the water consumption in comparison with the comparative example.
• the fabric is not masked but dried with omission of steps 16) -24) as in step 25) of the comparative example.
• the tissue resulting from c) is passed through a temperature-controlled bath consisting of water and, based on the water, 60 g / l Oleophobol SL, 30 g / l Oleophobol SM and 10 g / l Phobol XAN (all from Huntsman, DE). Thereafter, the fabric is squeezed, dried at 120 ° C and heat treated at a temperature of 190 ° C for 50 seconds.
• the 22 layers of the resulting d) tissue are piled into a package.
• the package is fired with ammunition type bullets 9mm DM 41 and the v 50 value determined.
• the v 50 value of the dry package is 463 ⁇ 6 m / s (see table).
• Example 1 shows that with the fabric according to the invention made of aramid fibers, which are equipped with a carbonic acid polyester, omitting all 25 Vornatis suitse, which are equipped with a polyglycol ester of oleic acid in the conventional textile fabric whose aramid fibers , must be run through, a water-repellent treated textile fabric can be produced, the v 50 value
• Example 2 shows that with the textile fabric according to the invention made of aramid fibers which are equipped with a carbonic acid polyester, despite the omission of 4 Nachchchrittente and despite the replacement of flushing by spray passages and despite complete omission of the in the conventional textile fabric, the aramid fibers are equipped with a polyglycol ester of oleic acid, necessary masking steps, a water-repellent treated textile fabric can be produced, the v 50 value

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• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Textile Engineering (AREA)
• General Chemical & Material Sciences (AREA)
• General Engineering & Computer Science (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
• Woven Fabrics (AREA)
• Professional, Industrial, Or Sporting Protective Garments (AREA)
• Laminated Bodies (AREA)

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• 2010
  • 2010-08-27 KR KR1020127008530A patent/KR101763125B1/ko active Active
  • 2010-08-27 CN CN201080049373.8A patent/CN102597361B/zh active Active
  • 2010-08-27 RU RU2012112809/05A patent/RU2533134C2/ru active
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