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
  • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
  • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from 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
  • 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
  • D06M13/46—Compounds containing quaternary nitrogen atoms
  • D06M13/463—Compounds containing quaternary nitrogen atoms derived from monoamines
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
  • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
  • D04H3/005—Synthetic yarns or filaments
  • D04H3/007—Addition polymers
• • 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
  • D06M13/244—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 sulfur or phosphorus
  • D06M13/282—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 sulfur or phosphorus with compounds containing phosphorus
  • D06M13/292—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts 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
  • D06M13/244—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 sulfur or phosphorus
  • D06M13/282—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 sulfur or phosphorus with compounds containing phosphorus
  • D06M13/292—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof
  • D06M13/295—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof containing polyglycol moieties; containing neopentyl moieties
• • 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
  • D06M15/53—Polyethers
• • 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
  • D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
• • 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
  • D06M2200/10—Repellency against liquids
  • D06M2200/11—Oleophobic properties

Definitions

• the present invention relates to compositions, preferably in the form of spin finishes, for polyolefin fibers or filaments which permanently impart hydrophilic properties to these hydrophobic fibers, fibers and filaments finished with these compositions, and textile fabrics made therefrom, in particular nonwovens.
• Hydrophilic nonwovens are used as cover webs, i. as the top fleece or as the intermediate fleece of multi-ply fleece, used for hygiene articles such as baby diapers, sanitary napkins, incontinence products and similar products.
• cover webs i. as the top fleece or as the intermediate fleece of multi-ply fleece, used for hygiene articles such as baby diapers, sanitary napkins, incontinence products and similar products.
• Such webs have the task to forward body fluids such as urine quickly to the underlying absorption layer.
• a preparation for permanent hydrophilization should adhere to the polyolefin as permanently as possible and impart as constant a hydrophilicity as possible to the nonwoven over as long a period as possible.
• a nonwoven web from filaments and / or fibers occurs, wherein random fiber webs are consolidated either by physical methods such as needling or by chemical means.
• a hydrophilizing fiber preparation additionally has to meet additional requirements.
• the preparation must enable the production and processing of the fibers by providing optimum sliding properties and cohesion of the fibers or filaments, as well as adequate antistatic treatment in order to be able to carry out web formation at an acceptable speed.
• the U.S. Patent 4,988,449 describes hydrophilizing compositions containing diethanolamides and nonionic surfactants, alkyl phosphates, quaternary ammonium salts and / or alkyl imidazolium salts and used as liquid permeability agents for polyolefin nonwovens.
• hydrophilicizing compositions which contain polyoxyalkylene-modified polydimethylsiloxanes, alone or in combination with nonionic surfactants, alkyl phosphates, quaternary ammonium salts and / or alkylimidazolium salts.
• the EP 410 485 B1 discloses a method for hydrophilicizing polyolefin-by applying an aqueous alkoxylated surfactant to the surface of the fibers, wherein the composition is either at least 80% of alkoxylated triglycerides of C 18 fatty acids, wherein these triglycerides alkoxylated a large portion of alkoxylated ricinolein or and hydrogenated ricinolein, or at least 80% of a mixture of alkoxylated or alkoxylated and hydrogenated ricinolein, a polyalkylene-modified water-soluble polydimethylsiloxane and an antistatic compound, the latter being, for example, a neutralized phosphoric acid ester, an alkoxylated phosphate, potassium salt, ammonium salt or alkyoxylated ammonium salt can be.
• hydrophilizing compositions containing nonionic surfactants in combination with a polyoxyalkylene-modified polydimethylsiloxane and / or a quaternary ammonium compound are known.
• the EP 1 600 532 B1 describes hydrophilizing compositions consisting of a fatty acid esterified alkoxylated glycerol and a fatty acid esterified alkoxylated or alkoxylated and hydrogenated ricinolein.
• the invention is therefore based on the object of providing a composition with good permanent hydrophilizing properties as well as a rapid passage capability and a low tendency to migrate into adjacent hydrophobic nonwoven areas.
• any suitable bases such as LiOH, NaOH, KOH, NH 3 , mono-, di-, or triethanolamine can be used.
• composition of the present invention has excellent permanent hydrophilicity properties, excellent through-wicking ability and good resistance to migration of the preparation components to adjacent hydrophobic nonwoven areas.
• these compositions can be used particularly well as fiber preparations for permanently hydrophilic finishing of polyolefin fibers, polyolefin filaments and nonwovens made therefrom, in particular nonwovens.
• the nonionic surfactant in component (A) of the composition according to the invention is preferably selected from the group of fatty alcohol alkoxylates having 6 to 18 C atoms in the hydrocarbon chain. Particular preference is given to fatty alcohol alkoxylates having 8 to 16 carbon atoms in the hydrocarbon chain.
• the fatty alcohol alkoxylates may terminally have a hydroxyl or an alkyl or alkenyl ether group. Particularly preferred are hydroxy-terminated fatty alcohol alkoxylates.
• the number of alkoxy groups in the nonionic surfactant of component (A) is preferably from 1 to 10, preferably from 2 to 8, and more preferably from 2 to 6.
• the alkoxy groups are preferably ethyl (en) oxy (EO) and / or propyl (en) oxy groups (PO), more preferably EO groups.
• the radicals R 1 to R 3 in formula (I) are preferably alkyl groups as derived from vegetable oils and oil mixtures.
• the radicals R 1 , R 2 and R 3 are particularly preferably derived from vegetable oils having a high proportion of saturated fatty acids, in particular palm oil or palm kernel oil.
• the quaternary ammonium compounds are present as solids at room temperature.
• the quaternary Ammonium compounds have a melting point of 25 to 80 ° C, particularly preferably a melting point of 30 to 50 ° C.
• At least one of the radicals R 4 , R 5 and R 6 in formula (II) of the neutralized phosphoric ester of component (C) is preferably an alkoxylated alkyl or alkenyl group having 6 to 18 C atoms in the hydrocarbon chain and 1 to 6 alkoxy groups, particularly preferably an alkoxylated alkyl or alkenyl group having 10 to 18 C atoms in the hydrocarbon chain and 1 to 4 alkoxy groups.
• the alkoxy groups are preferably ethyl (en) oxy (EO) and / or propyl (en) oxy groups (PO), more preferably EO groups
• At least one of R 4 , R 5 and R 6 in formula (II) is an alkyl group or an alkenyl group having 6 to 18 C atoms, particularly preferably having 10 to 18 C atoms.
• composition according to the invention as component (D) optionally contain further additives from the group of cohesive agents, lubricants, corrosion inhibitors and emulsifiers.
• the composition according to the invention preferably consists of components (A), (B) and (C), and optionally one or more of the additives according to component (D).
• the component (A) is particularly preferably present in an amount of 20-35% by weight, component (B) in an amount of 25-35% by weight and component (C) in a proportion of 35-45 Wt .-%, each based on the total weight of components (A), (B) and (C).
• component (D) can be added both to the composition according to the invention consisting of components (A), (B) and (C) and to the application liquor.
• the cohesion agent used is preferably a castor alkoxylate, for example Emulsogen EL 360 from Clariant, or a castor alkoxylate with up to 10 ethoxy and up to 3 propoxy units.
• the proportion of the coagulant in the composition according to the invention is preferably from 1 to 10% by weight, based on the total weight of the composition.
• the cohesion agent is preferably admixed subsequently to the application liquor.
• the lubricant is preferably a fatty acid ethoxylate, more preferably a coconut fatty acid alkylate such as Genagen C100 ex Clariant Coconut fatty acid with up to 10 ethoxy units, or a coconut fatty acid with up to 10 ethoxy and 3 propoxy units.
• the proportion of the lubricant in the composition according to the invention is preferably 1 to 10 wt .-%, based on the total weight of the composition.
• the lubricant is admixed subsequently to the application liquor.
• a corrosion inhibitor for protecting the metal parts of the spinning machines and other processing machines e.g. carding
• a fatty acid amine derivative is preferably used.
• the corrosion inhibitor is particularly preferably an oleylsarcosinate.
• the proportion of the corrosion inhibitor in the composition according to the invention is preferably 0 to 2 wt .-%, based on the total weight of the composition.
• the corrosion inhibitor is admixed subsequently to the application liquor.
• the emulsifier used is preferably likewise a fatty acid ethoxylate, particularly preferably a coconut fatty acid alkylate such as Genagen C100 from Clariant, a coconut fatty acid having up to 10 ethoxy units, or a coconut fatty acid having up to 10 ethoxy and 3 propoxy units.
• the proportion of the emulsifier in the composition according to the invention is preferably from 1 to 50% by weight, based on the total weight of the composition.
• composition according to the invention is preferably in the form of an aqueous dispersion or paste whose drying residue at 105 ° C. is between 5 and 95% by weight.
• composition according to the invention is preferably used as a permanently hydrophilizing fiber preparation for polyolefin fibers or polyolefin filaments or as a means for permanently hydrophilic finishing of nonwoven fabrics made of polyolefin fibers or polyolefin filaments.
• polystyrene resin As the polyolefin, it is possible to preferably use homo- or copolymers based on ethylene or propylene.
• polystyrene resins examples include polyethylenes such as HDPE (high density polyethylene), LDPE (low density polyethylene), VLDPE (very low density polyethylene), LLDPE (linear low density polyethylene), MDPE (medium density polyethylene), UHMPE (ultra high molecular polyethylene), XLPE (cross-linked polyethylene), HPPE (high pressure polyethylene); Polypropylenes such as isotactic polypropylene; syndiotactic polypropylene, metallocene catalyzed polypropylene, impact modified polypropylene; Random copolymers based on ethylene and propylene, block copolymers based on ethylene and propylene; EPM (poly [ethylene-co-propylene]); EPDM (poly [ethylene-co-propylene-co-conjugated diene]).
• HDPE high density polyethylene
• LDPE low density polyethylene
• VLDPE very low density polyethylene
• LLDPE linear low density polyethylene
• polystyrene polystyrene
• Poly (methylstyrene) Poly (oxymethylene); Metallocene catalyzed alpha-olefin or cycloolefin copolymers such as norbornene-ethylene copolymers; Copolymers containing at least 60% ethylene and / or styrene and less than 40% monomers such as vinyl acetate, acrylic acid esters, methacrylic acid esters, acrylic acid, acrylonitrile or vinyl chloride.
• examples of such polymers are poly (ethylene-co-ethyl acrylate), poly (ethylene-co-vinyl acetate), poly (ethylene-co-vinyl chloride) and poly (styrene-co-acrylonitrile).
• graft copolymers and polymer blends that is to say mixtures of polymers in which, inter alia, the abovementioned polymers are present, for example polymer blends based on polyethylene and polypropylene.
• core / shell bicomponent fibers such as PE / PP and PP / PET bicopolymers can be used.
• composition according to the invention can be applied to the fibers, filaments or nonwovens in the form of an aqueous emulsion or in the form of an aqueous dispersion, preferably in an amount of from 0.1 to 2% based on the dry weight of the respective product (fiber, filament, Fleece).
• the application of the composition takes place, as known to the expert, via dosing, Kissroller, dip baths, or by spraying. By diluting the composition with water, the desired viscosity for the particular application form can be set.
• the invention thus also polyolefin fibers and filaments, which are permanently hydrophilic equipped or treated with the composition of the invention.
• Also encompassed by the invention is a dual equipment and treatment of the polyolefin fibers and filaments and nonwovens, in which first the fibers or filaments are rendered permanently hydrophilic and then the nonwoven or nonwoven fabric produced therefrom is finally rendered permanently hydrophilic overall with a composition according to the invention.
• the fiber webs equipped according to the invention are particularly preferably uncompressed random fiber webs or nonwoven or chemically or physically bonded, for example needled or thermally fixed, nonwoven webs.
• Components A, B and C were thoroughly mixed, homogenized and optionally neutralized. Then, the resulting composition was diluted with distilled or demineralized water to form a dispersion containing 5% by weight of the composition.
• Components A, B and C were thoroughly mixed together, homogenized and optionally neutralized. Then, the resulting composition was diluted with distilled or demineralized water to form a dispersion containing 5% by weight of the composition.
• Components A, B and C were thoroughly mixed together, homogenized and optionally neutralized. Then, the resulting composition was diluted with distilled or demineralized water to form a dispersion containing 5% by weight of the composition.
• Components A, B and C were thoroughly mixed, homogenized and optionally neutralized. Then, the resulting composition was diluted with distilled or demineralized water to form a dispersion containing 5% by weight of the composition.
• Components A, B and C were thoroughly mixed together, homogenized and optionally neutralized. Then, the resulting composition was diluted with distilled or demineralized water to form a dispersion containing 5% by weight of the composition.
• compositions which consist of a Alkyldiethanolamide, a salt of an acidic alkylphosphoric acid ester, a nonionic surfactant, and a quaternary modified polydimethylsiloxane.
• compositions according to Examples 1 and 2 and Comparative Examples 1 to 6 were used as a fiber preparation for the permanent hydrophilic finish of a polypropylene (PP) spunbond nonwoven having a basis weight of 15 g / m 2 .
• the time required for 5 ml of a synthetic urine solution to penetrate a prepared fleece and to pass into the underlying absorption layer of filter paper is measured.
• the measurement is carried out on the same nonwoven five times in succession, whereby the absorption filter paper is renewed in each case.
• the five readings are in seconds.
• the amount (in grams) of liquid is measured which flows back into a dry filter paper superimposed on it by a 4 kg weight when a soaked nonwoven fabric is loaded.
• a PP spunbond nonwoven with an inclination of 45 ° is placed on a filter paper serving as an absorption layer. It determines the run length required until a defined amount of a synthetic urine solution has been passed completely through the web into the underlying absorbent layer. To pass the test, a maximum drop length of 30 mm may be achieved.
• test In the ten-drop test according to an in-house test method, a 10-well metal stencil is placed on a nonwoven piece as an absorbent layer. In each well of the metal template, one drop of a synthetic urine solution is pipetted successively. A test field counts if the amount of fluid has been absorbed within 2 seconds by the underlying absorption layer. In order to obtain information about the permanence of a fiber preparation, the test is repeated after a waiting time of 3 minutes without replacing the absorption layer. The test result indicates the number of passed test fields.
• Inventive Examples 1 and 2 which contain a nonionic surfactant together with a quaternary ammonium compound and a neutralized phosphoric ester mixture, meet the requirements for rapid and permanent hydrophilization of the polyolefin nonwoven web without migration.

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• 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)
• Absorbent Articles And Supports Therefor (AREA)
• Nonwoven Fabrics (AREA)

Applications Claiming Priority (2)

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• 2012
  • 2012-11-06 DE DE102012021742.0A patent/DE102012021742A1/de not_active Withdrawn
• 2013
  • 2013-10-30 DK DK13786214.0T patent/DK2917398T3/en active
  • 2013-10-30 CN CN201380058160.5A patent/CN104903509B/zh not_active Expired - Fee Related
  • 2013-10-30 EP EP13786214.0A patent/EP2917398B1/de not_active Not-in-force
  • 2013-10-30 KR KR1020157013146A patent/KR102106115B1/ko active IP Right Grant
  • 2013-10-30 JP JP2015540107A patent/JP6241829B2/ja not_active Expired - Fee Related
  • 2013-10-30 ES ES13786214.0T patent/ES2613880T3/es active Active
  • 2013-10-30 US US14/439,280 patent/US20150292144A1/en not_active Abandoned
  • 2013-10-30 MY MYPI2015701324A patent/MY185896A/en unknown
  • 2013-10-30 WO PCT/EP2013/072678 patent/WO2014072210A1/de active Application Filing
• 2015
  • 2015-05-05 SA SA515360388A patent/SA515360388B1/ar unknown
  • 2015-05-06 IL IL238665A patent/IL238665B/en active IP Right Grant

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