CN100355978C - Water permeability imparting agent and fiber having the agent applied thereto - Google Patents

Water permeability imparting agent and fiber having the agent applied thereto Download PDF

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Publication number
CN100355978C
CN100355978C CNB2004800094041A CN200480009404A CN100355978C CN 100355978 C CN100355978 C CN 100355978C CN B2004800094041 A CNB2004800094041 A CN B2004800094041A CN 200480009404 A CN200480009404 A CN 200480009404A CN 100355978 C CN100355978 C CN 100355978C
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fiber
water permeability
carbon number
weight
ion
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CN1771364A (en
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北口英利
藤本善治
米田阳彦
喜多节夫
中村吉重
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Matsumoto Yushi Seiyaku Co Ltd
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Matsumoto Yushi Seiyaku Co Ltd
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    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/51113—Topsheet, i.e. the permeable cover or layer facing the skin comprising an additive, e.g. lotion or odour control
    • 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
    • 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
    • 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
    • D06M2200/12—Hydrophobic properties
    • 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
    • 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
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
    • 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
    • D10B2401/02—Moisture-responsive characteristics
    • D10B2401/021—Moisture-responsive characteristics hydrophobic
    • 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
    • D10B2509/00—Medical; Hygiene
    • D10B2509/02—Bandages, dressings or absorbent pads
    • D10B2509/026—Absorbent pads; Tampons; Laundry; Towels
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

A water-permeable agent comprising at least one specific quaternary ammonium salt and at least one specific phosphate salt being formulated in specific ratios, and water-permeable fiber and fiber products produced by applying the water-permeable agent to fiber and fiber products by 0.1 to 2.0 weight percent. The present invention provides a water-permeable agent, which decreases wetback of disposable diapers and sanitary napkins, having been decreased by modifying their construction in conventional measures, with improved permanent water permeability, and decreased time-dependent deterioration of permanent water permeability, and is applicable to fibers processed in high-speed nonwoven production processes; and fiber and fiber products applied therewith.

Description

Water permeability imparting agent and the fiber that is attached with this imparting agent
Technical field
The present invention relates to be adapted at the non-weaving cloth that uses in the dough sheet of fibre, particularly paper nappy, synthetic paper handkerchief etc. finishing agent with fiber.More particularly, the present invention relates to fiber water permeability imparting agent, this fiber can make liquid return the reduction of oozing property with the water permeability imparting agent, improve absorption characteristic or the permeable durability of dough sheet simultaneously to liquid, wherein said liquid returns oozing property and is meant to be returned by dough sheet once more by absorbed urine of dough sheet or body fluid etc. and oozes, and is attached to the characteristic of wearing user's health.
Background technology
Usually, with paper nappy or synthetic paper handkerchief is that the structure of the absorbent commodities such as physiological articles of representative is: at dough sheet with have and dispose the material that cotton class pulp or macromolecule absorber etc. constitute between the hydrophobic egative film, wherein said dough sheet is to be that the various non-weaving cloths of main material are given hydrophilic to the strong polyolefin series fiber of hydrophobicity, triacetate series fiber or polyester fiber.Liquid such as urine or body fluid is absorbed in the absorber by dough sheet, at this moment, in order to make dough sheet not produce the sense of being clamminess, need its water permeability good, be that liquid is short by the time compole that is absorbed fully on the dough sheet in the inner absorber, and need be absorbed into liquid that can not in the absorber and return once more and be seeped on the dough sheet, it is low promptly to require liquid to return oozing property.And, only 1 time to 2 times liquid-absorbent will cause the finishing agent on the dough sheet to run off, water permeability sharply reduces, this has increased the more number of times of changing babies' napkin, this is unwelcome, therefore the water permeability that not only requires dough sheet to have to tolerate repeatedly liquid-absorbent, promptly require permeable durability, also require to keep permeable durability for a long time, deterioration is little in time promptly to require permeable durability.From the manufacture view of non-weaving cloth, in order can successfully to make, when making non-woven fabric, the antistatic behaviour when the even tack of requirement and non-weaving cloth or permeability and sheet material are reeled; When making non-weaving cloth, require fiber antistatic in addition, the cylinder of perhaps not reeling, can form uniform net, promptly require good combing trafficability characteristic by the combing operation.
Comfortable for diaper is worn, the initial stage water permeability is good, and liquid to return low, the permeable durability of oozing property also good, above requirement is very important, people have proposed to improve by finishing agent the technology of these characteristics.Disclose in the Japanese Patent Publication 63-14081 communique with carbon number is the method for the straight chained alkyl phosphate kalium salt processing fiber of 12-22.Disclosing in the Japanese kokai publication sho 60-215870 communique at carbon number is that to mix carbon number in the alkyl phosphate salt of 10-30 be the betaine compound of 10-30 or the finishing agent of sulfuric acid or sulphonic acid ester salt.The method of alkyl phosphate salt and polyether modified siloxane and usefulness is disclosed in the Japanese kokai publication hei 4-82961 communique.The method of alkyl phosphate salt and 2 kinds of betaine compounds and usefulness is disclosed in the TOHKEMY 2000-170076 communique.In addition, as with above-mentioned dissimilar finishing agent, the method for the mixture that adopts Arlacel-80 and polyoxyethylene sorbitan monooleate is disclosed in the Japanese kokai publication sho 63-49158 communique.The method of using alkoxylate ricinoleidin or its hydride is disclosed in the Japanese kokai publication hei 3-82871 communique.The method of polyether compound and polyether modified siloxane and usefulness is disclosed in the Japanese kokai publication hei 10-53955 communique.Return the reduction of oozing property about liquid, the structure that discloses in the Japanese kokai publication hei 9-56748 communique by changing fibre, so-called paper nappy or physiological articles etc. reduces the method that liquid returns oozing property.Disclose by the structure of improving the fibre dough sheet in the TOHKEMY 2001-123366 communique and reduced the method that liquid returns oozing property.
But, in recent years, being accompanied by the raising that people require level, obviously there are the problem of performance deficiency in the water permeability, the particularly permeable durability that are obtained by the aforesaid method that proposes in the past.In addition, along with the raising of speed of production in recent years, aspect production, can not fully adapt to the combing operation high speed requirement of non-weaving cloth production process.
Summary of the invention
The object of the present invention is to provide the water permeability imparting agent, compare with method in the past, this water permeability imparting agent water permeability, particularly permeable durability further improve, and liquid returns oozing property and improves, and permeable durability deterioration condition in time is few, can adapt to the combing high speed.
Another object of the present invention is to provide by water permeability imparting agent of the present invention and give the fiber of water permeability.
Other purpose of the present invention and advantage are as described below.
According to the present invention, above-mentioned purpose of the present invention and advantage can realize by the water permeability imparting agent with following feature: contain quaternary ammonium salt shown in (A) following formula (I) and (B) phosphate ester salt shown in the following formula (II), the benchmark that adds up to these quaternary ammonium salts (A) and phosphate ester salt (B), they contain 20-80 weight % and 80-20 weight % respectively
(A) quaternary ammonium salt shown in the following formula (I):
(R 1，R 2，R 3)N +-R 4·X - …(I)
In the formula, R 1Be that carbon number is the aliphatic hydrocarbyl of 8-24, work as R 1During for the aliphatic hydrocarbyl of carbon number 8-18, R 2For the aliphatic hydrocarbyl of carbon number 8-18, work as R 1During for the aliphatic hydrocarbyl of carbon number 19-24, R 2Be the aliphatic hydrocarbyl of hydrogen atom, carbon number 1-3 or the hydroxy alkyl of carbon number 1-3; R 3And R 4Be the aliphatic hydrocarbyl of hydrogen atom, carbon number 1-3 or the hydroxy alkyl of carbon number 1-3 independently of one another; X is the ionic residue that is selected from halide ion, nitrate ion, acetato-, methyl sulfate ion, ethyl sulfate ion and dimethyl phosphate ion;
(B) phosphate ester salt shown in the following formula (II):
Figure C20048000940400061
In the formula, R 5Be the aliphatic hydrocarbyl of carbon number 6-20, R 6Be ethylidene and/or propylidene, m is the integer of 0-15, and Y is the ionic residue that is selected from hydrogen ion, sodium ion, potassium ion, ammonium ion, diethanol ammonium ion, triethanol ammonium ion, and n is the integer of 1-2.
According to the present invention, above-mentioned second purpose of the present invention and advantage provide the water permeability fiber, it is characterized in that: contain fiber and give the water permeability imparting agent of the present invention of 0.1-2.0 weight % with respect to fiber.
The best mode that carries out an invention
The quaternary ammonium salt that uses among the present invention (A composition) is represented by following formula (I).
In the formula (I), R 1For the aliphatic hydrocarbyl of carbon number 8-24, work as R 1During for the aliphatic hydrocarbyl of carbon number 8-18, R 2For the aliphatic hydrocarbyl of carbon number 8-18, work as R 1During for the aliphatic hydrocarbyl of carbon number 19-24, R 2Be the aliphatic hydrocarbyl of hydrogen atom, carbon number 1-3 or the hydroxy alkyl of carbon number 1-3; R 3And R 4Be the aliphatic hydrocarbyl of hydrogen atom, carbon number 1-3 or the hydroxy alkyl of carbon number 1-3 independently of one another; X is the ionic residue that is selected from halide ion, nitrate ion, acetato-, methyl sulfate ion, ethyl sulfate ion and dimethyl phosphate ion.
Quaternary ammonium salt shown in the formula (I) can be separately or 2 kinds or above being used in combination.
In the following formula (I), R 1And R 2The aliphatic hydrocarbyl of preferred independently of one another carbon number 8-18.R 1Or R 2Carbon number be 7 or when following, permeable durability deterioration in time increases, combing trafficability characteristic variation, hydrophily is too strong simultaneously, permeable durability is low, liquid returns oozing property to be increased easily, thereby not preferred, R 1, R 2Either party carbon number be 25 or when above, the initial stage water permeability reduces easily, thereby not preferred.
Preferred R 3And R 4Aliphatic hydrocarbyl for carbon number 1-3.R 3And R 4Either party carbon number be 4 or when above, initial stage water permeability and permeable durability reduce easily, and be not preferred.
(A) the preferred example of composition has: Quaternium 24, DDAC, dilauryl alkyl dimethyl ammonium chloride, VARISOFT TA100, dicocoalkyl dimethyl ammonium chloride, dihydro tallow alkyl alkyl dimethyl ammonium chloride, mountain Yu base trimethyl ammonium chloride, dilauryl dimethyl sulfate ammonium methyl, dilauryl Methylethyl ethyl-sulfate ammonium etc.
With the similar composition of the specific quaternary ammonium salt (A) that uses in the water permeability imparting agent of the present invention the phosphoric acid quaternary ammonium salt that is blended in the claim 1 in the Japanese kokai publication sho 61-289182 communique in the antistatic composition is arranged, and the disclosed ソ ヤ dimethyl ethyl ethyl-sulfate ammonium salt that is blended in open-end spinning (OES) the usefulness finishing agent among No. 4816336 specification embodiment 1-6 of United States Patent (USP), but the carbon number with the alkyl of the N atom bonding of quaternary ammonium among the former is 8-18, carbon number with the alkyl of the N atom bonding of ammonium among the latter is 16-18, and they all only have a described alkyl, hydrophily is strong excessively, can't produce the hydrophily with durability.
(A) mixed proportion of composition with respect to (A) composition and (B) composition add up to 20-80 weight %, be preferably 25-75 weight %.Be lower than 20 weight %, then permeable durability is low, and permeable durability deterioration in time increases.Surpass 80 weight %, then combing trafficability characteristic is low, and liquid returns the increase of oozing property, thereby not preferred.
The phosphate ester salt that uses among the present invention (B composition) is represented as following formula (II).
In the formula (II), R 5Be the aliphatic hydrocarbyl of carbon number 6-20, R 6Be ethylidene and/or propylidene, m is the integer of 0-15, and Y is the ionic residue that is selected from hydrogen ion, sodium ion, potassium ion, ammonium ion, diethanol ammonium ion, triethanol ammonium ion, and n is the integer of 1-2.
Phosphate ester salt shown in the formula (II) can be used in combination separately or more than 2 kinds.
In the above-mentioned formula (II), R 5Be preferably the aliphatic hydrocarbyl of carbon number 8-18.R 5Carbon number be 5 or below, the easy variation of then combing trafficability characteristic, simultaneously hydrophily is strong excessively, permeable durability reduces easily, liquid returns oozing property the tendency of increasing; If R 5Carbon number be 21 or more than, then the in the initial stage of that water permeability is low, permeable durability also reduces easily, thereby not preferred.
M is preferably the integer of 0-10.M be 16 or more than, then the in the initial stage of that water permeability reduces, the easy grow of the solidity of B composition, the result makes the operability of the water permeability imparting agent difficulty that becomes, and is not preferred.
The preferred example of B composition has: the hexyl phosphoric acid ester sodium, the octyl phosphate sodium salt, octyl phosphate sylvite, the decyl phosphate kalium salt, Tryfac 5573 sylvite, the myristyl phosphate kalium salt, the cetyl phosphate kalium salt, the stearyl phosphate kalium salt, mountain Yu base phosphate kalium salt, 4 moles of polyoxyethylated decyl phosphoric acid ester sodiums of addition, 3 moles of polyoxyethylated Tryfac 5573 sodium salts of addition, 2 moles of polyoxyethylated cetyl phosphate kalium salts of addition, 15 moles of polyoxyethylated cetyl phosphate kalium salts of addition, 6 moles of polyoxyethylated Tryfac 5573 sodium salts of 2 moles of polyoxypropylenes of addition and addition, 3 moles of polyoxyethylated Tryfac 5573 diethanolamine salts of addition, 3 moles of polyoxyethylated Tryfac 5573 triethanolamine salts of addition etc.
(B) blending ratio of composition with respect to (A) composition and (B) composition add up to 20-80 weight %, preferred 25-75 weight %.Be lower than 20 weight %, then combing trafficability characteristic is low, surpasses 80 weight %, then can not give the A composition of necessary amount, and the permeable durability of result is low, and is not preferred.
The present invention (A) composition and (B) in the composition further combined with using with respect to (A) composition and (B) the polyoxyalkylene modified siloxane (C composition) shown in the following formula (III) that adds up to 5-20 weight % of composition, can further improve permeable durability and combing trafficability characteristic like this.
Figure C20048000940400081
In the formula (III), R 7Be methylene, ethylidene, propylidene, N-(amino-ethyl) methyl imide base or N-(aminopropyl) propyl group imide, Z is the polyoxyalkylenes that contains 20 weight % or above polyoxyethylene part, p and q are for making Si containing ratio 20-70 weight %, molecular weight 1,000-100 is in 000 scope and the integer of selecting.
The polyoxyalkylenes of Z for example has polyoxyethylene groups, polyoxypropylene base, polyoxy cyclobutenyl, and these etc. the formation monomer copolymerization obtain.Polyoxyethylene groups is lower than 20 weight %, then is difficult to obtain enough initial stage water permeabilitys and permeable durability, and is not preferred.
P and q are lower than 20 weight % when the Si containing ratio, and then be difficult to obtain the effect that enough combing trafficability characteristics and permeable durability improve, and surpass 70 weight %, the bad stability of water permeability imparting agent then, cost up, thereby not preferred.In addition, break away from molecular weight 1,000-100,000 scope then is difficult to obtain the effect that initial stage water permeability and permeable durability improve, and is not preferred.
By being used in combination the present invention (C) composition, can significantly improve permeable durability and combing trafficability characteristic.As mentioned above, the preferred 5-20 weight of the blending ratio in water permeability imparting agent %.Blending ratio is lower than 5 weight %, and the effect that then permeable durability and combing trafficability characteristic improve is insufficient; And surpassing 20 weight %, then permeable durability is good, but the easy variation of the stability of water permeability imparting agent, cost also increases, thereby not preferred.
Water permeability imparting agent of the present invention can be applied to synthetic fiber, natural fabric or its fibre.Can be preferably applied to hydrophobic synthetic fibre such as for example polyolefin, polyester, triacetate, nylon, vinyl chloride or contain the fibre of these hydrophobic fibres, comprise the hot melt synthetic fiber and the fibre thereof of composite fibre of the combinations such as polyester-polyethylene, polyester-polypropylene, polypropylene-polyethylene, low melting point polypropylene-polypropylene, low-melting point polyester-polyester of fibrillation polyolefin, skin-core structure.Above-mentioned fibre is preferably the non-weaving cloth goods, especially for the non-weaving cloth goods of the dough sheet of paper nappy, synthetic paper handkerchief etc.
Water permeability imparting agent of the present invention can be in the manufacturing process of non-weaving cloth with fiber, it is any situation of spinning, stretching and curling operation, use by itself known method, can also in non-weaving cloth manufacturing process such as spunbond, spunlaced and melt and spray, use with usual way.
Water permeability imparting agent of the present invention can be with emulsion form or directly is administered to fiber.When adopting emulsion, dilute with water is a 5-30 weight % concentration, when directly oiling, is diluted to 5-30 weight % concentration with the low viscosity hydrocarbon compound, can use by roller contact, nozzle spray, impregnating known method.
Water permeability imparting agent of the present invention adheres to 0.1-2.0 weight % to common fiber, more preferably 0.3-0.7 weight %. adhesion amount is lower than 0.1 weight %, then initial stage water permeability, permeable durability, antistatic behaviour and lubricity deficiency, adhesion amount surpasses 2.0 weight %, and when then fiber was handled in combing, circumvolution increased, productive rate significantly reduces, after permeable, the sense of being clamminess of fibres such as non-weaving cloth strengthens, and is not preferred.
Except that mentioned component, in the scope of harmless purpose of the present invention, can add other composition in the water permeability imparting agent of the present invention.Addible composition is enumerated: ionic surfactant, defoamer and preservative agent beyond lubricants such as Brazil wax emulsion, tween, the phosphate.
By water permeability imparting agent of the present invention being given to non-weaving cloth with fiber or non-weaving cloth, can obtain urine or body fluid the initial stage permeability, see through durability and significantly improve, permeable durability deterioration, liquid in time returns the non-weaving cloth of oozing property reduction, in the manufacturing process of non-weaving cloth, antistatic behaviour or lubricity improve, therefore it is good to open fibre, can a nearly step improve the combing trafficability characteristic.
Embodiment
The present invention is described by the following examples, but the present invention is not limited by this.Assessment item and evaluation method in each embodiment, the comparative example are as described below.The particular content of the finishing agent in each embodiment and the comparative example and evaluation result are summarized in the expression of table 1 and table 2 respectively.In the particular content of finishing agent, mixed proportion is all represented with weight %.
Is that the mode of 0.5 weight % is given warm water absorbent cotton with the finishing agent of embodiment, comparative example with clean finishing agent, dry then.Then make it pass through opening picking, each operation of combing, the making order is paid and is 30g/m 2Net.In the aeration type hot air circular drying machine, heat-treat at 130 ℃, that nets is fixing with this net.The non-weaving cloth of making like this is used for following permeability test.
Combing characteristic: under the condition of 30 ℃ * 70%RH, be principal element, judge the combing trafficability characteristic with cylinder winding situation; Under the condition of 20 ℃ * 45%RH, judge antistatic behaviour with the electrostatic pressure that produces static.The setting as described below of each rank.
Combing trafficability characteristic: use the combing testing machine, under the condition of 30 ℃ * 70%RH, 40g staple fibre sample is carried out combing, observe cylinder then, estimate with following benchmark.There is not 1/5 of winding, 3... cylinder face to have 1/3 of winding, 2... cylinder face to have winding, the whole face of 1... that winding is arranged 5... there be 1/10 of winding, 4... cylinder face.4 or above be allowed band, 5 optimums.
Antistatic behaviour: use the combing testing machine, under the condition of 20 ℃ * 45%RH, 40g staple fibre sample is made net, measure the electrostatic pressure of the online static that produces, estimate with following benchmark.5... be lower than 100V, 4...0.1-1.0kV, 3...1.0-1.5kV, 2...1.5-2.0kV, 1... is bigger than 2.0kV.4 or above be allowed band, 5 optimums.
The liquid of non-weaving cloth returns oozing property: (10cm * 10cm), place the cylinder that internal diameter is 70mm more thereon injects 100ml physiological saline in the cylinder, goes into paper nappy by nonwoven absorbent to place non-weaving cloth on commercially available paper nappy.Physiological saline is removed cylinder after being absorbed by paper nappy fully, stacks the filter paper (Japan's filter paper, No.5) of 20 weighings in advance on it, it is applied the load of 5kg, place after 5 minutes, measure the weight of filter paper, obtain the weight recruitment, return milliosmolarity (g) as liquid with this.1.5g or following be allowed band, but be preferably 1.0g or following.
The initial stage water permeability of non-weaving cloth: order paid be 30g/m 2Non-weaving cloth be stacked and placed on the filter paper (Japan's filter paper, No.5), by being arranged at, measure water droplet by the time of non-weaving cloth surface to disappearance apart from the non-weaving cloth surface high buret of 10mm 1 (about 0.05ml) artificial urine that drips.This mensuration is carried out in position, 20 place on the non-weaving cloth surface, marks to be lower than 5 seconds number.This number be 18 or more than, then the in the initial stage of that water permeability is good.
The permeable durability of non-weaving cloth: (10cm * 10cm) be stacked and placed on the commercially available paper nappy places the cylinder that internal diameter is 70mm thereon, and the 50ml artificial urine is injected in the cylinder, goes into paper nappy by nonwoven absorbent with above-mentioned non-weaving cloth.Injecting the back placed 3 minutes, then non-weaving cloth is clipped between 10 filter paper (Japan's filter paper, No.5), placing plate (the load of 10cm * 10cm) and 3.7kg weight thereon, placed dehydration, further air-dry 5 minutes then 3 minutes, initial stage water permeability experimental technique according to non-weaving cloth, to on the non-weaving cloth sample after air-dry by the position of artificial urine, measure the extinction time of 20 place's artificial urines, mark and be lower than 5 seconds number.This number be 18 or more than, then water permeability is good.The non-weaving cloth that is used to test is repeated same operation.In this repeated experiments, even repeat repeatedly, what the disappearance number of artificial urine was still many we can say that permeable durability is good.
Water permeability after changing in time: with above-mentioned non-weaving cloth (10cm * 10cm) in the environmental tester of 40 ℃ * 70%RH, placed 30 days.After 30 days, with non-weaving cloth (10cm *, carry out the initial stage water permeability and the permeable endurancing of above-mentioned non-weaving cloth 10cm) by taking out in the environmental tester.The initial stage water permeability and the permeable durability difference of packing into before and after the environmental tester are more little, and then permeable durability changes also more little in time.This changes the smaller the better in time.
Embodiment 1-8 and comparative example 1-2
Table 1
Test No. Comparative example 1 Embodiment 1 Embodiment 2 Comparative example 2 Embodiment 3 Embodiment 4 Embodiment 5 Embodiment 6 Embodiment 7 Embodiment 8
Blending ratio (weight %) Composition A1 A2 A3 B1 B2 B3 C1 40 60 40 60 40 60 40 60 70 30 40 50 10 40 60 40 60 40 60 40 60
O.P.U.(％) 0.1 0.5 1.0 2.2 0.5 0.5 0.5 0.5 0.5 0.5
The combing characteristic Combing trafficability characteristic antistatic behaviour 5 2 5 5 5 5 2 5 5 5 5 5 5 5 5 5 5 5 5 5
The water permeability of non-weaving cloth The initial stage water permeability 14 20 20 -- 20 20 20 19 20 19
Permeable durability the 1st order 2 order 3 order 4 order 5 times 10 3 0 20 20 18 12 6 20 20 20 17 10 -- 20 20 20 16 8 20 20 20 15 8 20 20 19 14 7 20 20 20 15 9 20 20 17 10 5 20 20 16 9 5
Liquid returns oozing property (g) 0.5 0.9 1.2 -- 1.0 1.0 0.8 0.7 1.0 0.7
Water permeability after changing in time The initial stage water permeability 12 20 20 -- 20 20 19 18 20 18
Permeable durability the 1st order 2 order 3 order 4 order 5 times 7 2 0 20 18 13 7 3 20 20 18 10 5 -- 20 20 15 9 4 20 20 16 10 5 20 19 16 9 5 20 20 18 11 7 20 17 11 6 2 20 17 10 5 2
Comparative example 3-10
Table 2
Test No. Comparative example 3 Comparative example 4 Comparative example 5 Comparative example 6 Comparative example 7 Comparative example 8 Comparative example 9 Comparative example 10
Blending ratio (weight %) Composition A1 A4 A5 A6 B1 B4 B5 B6 15 85 85 15 40 60 40 60 40 60 40 60 40 60 40 60
O.P.U.(％) 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
The combing characteristic Combing trafficability characteristic antistatic behaviour 5 5 3 5 3 5 5 5 3 5 5 4 5 5 4 5
Non-weaving cloth send water-based The initial stage water permeability 19 20 20 14 20 12 15 20
Permeable durability the 1st order 2 order 3 order 4 order 5 times 20 16 7 3 0 20 20 20 17 12 20 12 5 0 17 10 4 0 20 11 3 0 12 6 2 0 20 20 10 4 0 19 11 4 0
Liquid returns oozing property (g) 0.9 2.0 1.7 0.7 2.0 0.7 0.9 1.6
Send water-based after changing in time Initial stage is sent water-based 18 20 20 10 20 10 14 17
Send water durability the 1st order 2 order 3 order 4 order 5 times 17 10 5 0 20 20 18 10 6 16 8 2 0 15 8 0 16 8 0 10 5 0 20 18 8 3 0 16 7 0
Each composition of record is as described below in table 1 and the table 2.
A1: dilauryl alkyl dimethyl ammonium chloride salt, A2: VARISOFT TA100 salt, A3: mountain Yu base trimethyl ammonium chloride salt, A4: lauryl trimethyl ammonium chloride salt, A5: three bay ylmethyl chlorination ammonium salts, A6: ソ ヤ dimethyl ethyl ethyl-sulfate ammonium salt.
B1: polyoxyethylene (3 moles) lauryl ether phosphate diethanol ammonium salt, B2: polyoxyethylene (3 moles) decyl ethers phosphate diethanol ammonium salt, B3: polyoxyethylene (2 moles) cetyl ether phosphate kalium salt, B4: butyl phosphoric acid ester sylvite, B5: mountain Yu base phosphate kalium salt, B6: polyoxyethylene (20 moles) lauryl ether phosphate diethanol ammonium salt.
C1: the siloxanes containing ratio is the polyoxyethylene modified siloxane of 65 weight %, molecular weight 10,000.
With the embodiment 1-8 that composition shown in the present and ratio ranges thereof adapt, its permeable durability is good, and it is few that liquid returns oozing property, and water permeability deterioration is also low in time, show good result.On the other hand, the comparative example 1-9 outside these composition compositing ranges then can't satisfy all must characteristic.Each composition appropriate combination can embody synergy well.Each comparative example is compared with each embodiment, and initial stage water permeability, permeable durability, liquid return the inequality as a result of the stable operability of water permeability, combing trafficability characteristic or product mix after oozing property, the variation in time.
As mentioned above, give hydrophobic fibre or non-weaving cloths such as polypropylene fibre by methods such as sprayings with water permeability imparting agent of the present invention, then can make fiber have initial stage water permeability and permeable durability, and reduce water permeability deterioration in time, the liquid that can reduce urine or body fluid simultaneously returns oozing property.

Claims (9)

1. fiber water permeability imparting agent, it contains quaternary ammonium salt shown in (A) following formula (I) and (B) phosphate ester salt shown in the following formula (II), with the benchmark that adds up to of these quaternary ammonium salts (A) and phosphate ester salt (B), they contain 20-80 weight % and 80-20 weight % respectively
(A) quaternary ammonium salt shown in the following formula (I):
(R 1，R 2，R 3)N +-R 4·X - ...(I)
In the formula, R 1Be that carbon number is the aliphatic hydrocarbyl of 8-24, work as R 1During for the aliphatic hydrocarbyl of carbon number 8-18, R 2For the aliphatic hydrocarbyl of carbon number 8-18, work as R 1During for the aliphatic hydrocarbyl of carbon number 19-24, R 2Be the aliphatic hydrocarbyl of hydrogen atom, carbon number 1-3 or the hydroxy alkyl of carbon number 1-3; R 3And R 4Be the aliphatic hydrocarbyl of hydrogen atom, carbon number 1-3 or the hydroxy alkyl of carbon number 1-3 independently of one another; X is the ionic residue that is selected from halide ion, nitrate ion, acetato-, methyl sulfate ion, ethyl sulfate ion and dimethyl phosphate ion;
(B) phosphate ester salt shown in the following formula (II):
Figure C2004800094040002C1
In the formula, R 5Be the aliphatic hydrocarbyl of carbon number 6-20, R 6Be ethylidene and/or propylidene, m is the integer of 0-15, and Y is the ionic residue that is selected from hydrogen ion, sodium ion, potassium ion, ammonium ion, diethanol ammonium ion, triethanol ammonium ion, and n is the integer of 1-2.
2. the fiber of claim 1 water permeability imparting agent, wherein in following formula (I), R 1And R 2Be the aliphatic hydrocarbyl of carbon number 8-18 independently of one another; R 3And R 4Be the aliphatic hydrocarbyl of carbon number 1-3 independently of one another.
3. claim 1 or 2 fiber water permeability imparting agent, wherein in above-mentioned formula (II), R 5Be the aliphatic hydrocarbyl of carbon number 8-18, R 6Be ethylidene.
4. the fiber of claim 1 water permeability imparting agent, further contain the polyoxyalkylene modified siloxane shown in the following formula (III) of 5-20 weight %:
Figure C2004800094040002C2
R wherein 7Be methylene, ethylidene, propylidene, N-(amino-ethyl) methyl imide base or N-(aminopropyl) propyl group imide, Z is the polyoxyalkylenes that contains 20 weight % or above polyoxyethylene part, and p and q are the integer that the Si containing ratio is selected in the 1000-100000 scope at 20-70 weight %, molecular weight.
5. the fiber of claim 1 water permeability imparting agent is used for non-weaving cloth.
6. the fiber of claim 1 water permeability imparting agent is used for hydrophobic synthetic fibre or its composite fibre.
7. the fiber of claim 6 water permeability imparting agent, wherein hydrophobic synthetic fibre is the polyolefin synthetic fiber.
8. water permeability fiber is characterized in that: this water permeability fiber contains fiber and bestows fiber water permeability imparting agent to the claim 1 of fiber with 0.1-2.0 weight %.
9. water permeability fiber is characterized in that: this water permeability fiber contains fiber and bestows fiber water permeability imparting agent to the claim 4 of fiber with 0.1-2.0 weight %.
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