WO2020141592A1 - Agent de traitement de fibres discontinues, fibre discontinue et procédé de fabrication de tissu non tissé hydrolié - Google Patents

Agent de traitement de fibres discontinues, fibre discontinue et procédé de fabrication de tissu non tissé hydrolié Download PDF

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Publication number
WO2020141592A1
WO2020141592A1 PCT/JP2019/050497 JP2019050497W WO2020141592A1 WO 2020141592 A1 WO2020141592 A1 WO 2020141592A1 JP 2019050497 W JP2019050497 W JP 2019050497W WO 2020141592 A1 WO2020141592 A1 WO 2020141592A1
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Prior art keywords
fatty acid
mass
parts
short fibers
treatment agent
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PCT/JP2019/050497
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English (en)
Japanese (ja)
Inventor
卓滋 大海
敏己 市川
利広 小室
Original Assignee
竹本油脂株式会社
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Application filed by 竹本油脂株式会社 filed Critical 竹本油脂株式会社
Priority to CN201980013978.2A priority Critical patent/CN111757954B/zh
Priority to EP19907909.6A priority patent/EP3907326A4/fr
Publication of WO2020141592A1 publication Critical patent/WO2020141592A1/fr

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Classifications

    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/74—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being orientated, e.g. in parallel (anisotropic fleeces)
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose series
    • D04H1/4258—Regenerated cellulose series
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
    • 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
    • D06M13/02—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons
    • 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
    • D06M13/10—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 oxygen
    • D06M13/144—Alcohols; Metal alcoholates
    • D06M13/148—Polyalcohols, e.g. glycerol or glucose
    • 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
    • D06M13/10—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 oxygen
    • D06M13/165—Ethers
    • D06M13/17—Polyoxyalkyleneglycol ethers
    • 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
    • D06M13/10—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 oxygen
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/188—Monocarboxylic acids; Anhydrides, halides or 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
    • D06M13/10—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 oxygen
    • D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
    • 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
    • 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
    • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
    • 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
    • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
    • D06M15/6436—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing amino 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
    • D06M2200/40—Reduced friction resistance, lubricant properties; Sizing compositions

Definitions

  • the present invention relates to a short fiber treatment agent, a short fiber to which a short fiber treatment agent is attached, and a method for producing a spunlace nonwoven fabric using short fibers to which a short fiber treatment agent is attached.
  • natural fibers such as cotton fibers, regenerated fibers such as rayon, and synthetic fibers such as polyolefin are used as raw material fibers for non-woven fabrics.
  • synthetic fibers such as polyolefin
  • a treatment for applying a non-woven fabric treatment agent containing a surfactant or the like to the surface of the raw fiber is performed.
  • Patent Document 1 discloses a configuration including a mineral oil, a fatty acid ester, a polyoxyalkylene polyhydric alcohol fatty acid ester, or the like as a non-woven fabric treating agent.
  • Patent Document 2 discloses a composition containing a polyhydric alcohol fatty acid ester sulfate salt, a mineral oil, a polyoxyalkylene polyhydric alcohol fatty acid ester, or the like as a fiber treatment agent for high-pressure hydroentanglement.
  • the present invention has been made in view of such circumstances, and an object thereof is to provide a treatment agent for short fibers, which can suppress foaming of water used for hydroentangling. Another object is to provide short fibers to which the short fiber treating agent is attached. Another object of the present invention is to provide a method for producing a spunlaced nonwoven fabric using short fibers to which the treatment agent for short fibers is attached.
  • the treatment agent for short fibers for solving the above-mentioned problems is the following fatty acid derivative, at least one selected from the following fatty acids and the following fats and oils, and the following polyhydric alcohols (however, polyoxyethylene (oxyethylene unit of The gist is to include polyoxypropylene having a number of 20) (excluding glycol having a number of oxypropylene units of 30).
  • Fatty acid derivative one having a structure in which alkylene oxide is added at a ratio of 0.1 to 30 mol to 1 mol of a fatty acid having 12 to 24 carbon atoms.
  • Fatty acid fatty acid having 12 to 24 carbon atoms.
  • Fats and oils At least one selected from vegetable oils, animal oils, and hydrogenated oils thereof.
  • Polyhydric alcohol Polyhydric alcohol having 2 to 6 hydroxyl groups in the molecule.
  • the treatment agent for short fibers contains 5 to 99.89 of the fatty acid derivative. It is preferable to contain 0.01 part by mass of 0.01 to 10 parts by mass of the polyhydric alcohol, and 0.01 to 10 parts by mass of the polyhydric alcohol.
  • the treatment agent for short fibers further contains at least one lubricant selected from a hydrocarbon compound, an ester (excluding the oil and fat), and silicone.
  • the treatment agent for short fibers is the fatty acid. 5 to 98.89 parts by weight of the derivative, 0.01 to 10 parts by weight of at least one selected from the fatty acid and the oil and fat, 0.1 to 90 parts by weight of the polyhydric alcohol, and 1 to 1 of the lubricant. It is preferably contained in a proportion of 20 parts by mass.
  • the treatment agent for short fibers preferably further contains an anionic surfactant.
  • the treatment agent for short fibers at least one selected from the fatty acid derivative, the fatty acid and the oil and fat, the polyhydric alcohol, and the total content ratio of the anionic surfactant is 100 parts by mass, 5 to 98.89 parts by mass of the fatty acid derivative, 0.01 to 10 parts by mass of at least one selected from the fatty acid and the oil and fat, 0.1 to 90 parts by mass of the polyhydric alcohol, and the anionic surfactant. It is preferable to contain the agent in a ratio of 1 to 20 parts by mass.
  • the treatment agent for short fibers may be configured to include both a hydrocarbon compound, an ester (excluding the fats and oils), and at least one lubricant selected from silicone and an anionic surfactant.
  • the treatment agent for short fibers has a total content of the fatty acid derivative, at least one selected from the fatty acid and the oil, the polyhydric alcohol, the anionic surfactant, and the lubricant of 100 mass.
  • the fatty acid derivative is 5 to 97.89 parts by mass
  • at least one selected from the fatty acid and the fat and oil is 0.01 to 10 parts by mass
  • the polyhydric alcohol is 0.1 to 90 parts by mass
  • the short fibers treated with the short fiber treating agent are preferably viscose rayon.
  • the gist of the short fiber for solving the above problem is that the treatment agent for a short fiber is attached.
  • the gist of the method for producing a spunlaced nonwoven fabric for solving the above problem is to include the following steps 1 and 2.
  • Step 1 A step of carding the short fibers to produce a web.
  • Step 2 A step of entangling the web obtained in Step 1 with a water stream. That is, the method includes the steps of carding the short fibers to which the treatment agent for short fibers is adhered to produce a web, and the step of confounding the obtained web with a water stream.
  • the short fibers to which the treatment agent for short fibers is attached are hydroentangled, it is possible to suppress foaming of the water used for hydroentanglement.
  • the short fiber treating agent contains the following fatty acid derivative, at least one selected from the following fatty acids and the following fats and oils, and the following polyhydric alcohols.
  • the fatty acid derivative has a structure in which alkylene oxide is added at a ratio of 0.1 to 30 mol to 1 mol of a fatty acid having 12 to 24 carbon atoms.
  • a polyoxyalkylene alkyl obtained by the addition reaction of an alkylene oxide with a saturated or unsaturated fatty acid such as stearyl ester.
  • ethylene oxide and propylene oxide are included as the alkylene oxide
  • the addition form of ethylene oxide and propylene oxide may be any of block addition, random addition, and a combination of block addition and random addition, and there is no particular limitation.
  • Fatty acids are fatty acids having 12 to 24 carbon atoms.
  • Specific examples of the fatty acid having 12 to 24 carbon atoms include lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, linoleic acid, linolenic acid, arachidic acid, behenic acid, lignoceric acid, and coconut fatty acid. To be These components may be used alone or in combination of two or more.
  • the fats and oils are at least one selected from vegetable oils, animal oils, and hydrogenated oils thereof.
  • oils and fats include castor oil, sesame oil, tall oil, palm oil, palm kernel oil, coconut oil, rapeseed oil, lard, beef tallow, whale oil, hydrogenated oils thereof, and the like. These components may be used alone or in combination of two or more.
  • the polyhydric alcohol is a polyhydric alcohol having 2 to 6 hydroxyl groups in the molecule.
  • polyoxyethylene the number of oxyethylene units is 20
  • polyoxypropylene the number of oxypropylene units is 30
  • Specific examples of the polyhydric alcohol include, for example, ethylene glycol, propylene glycol, pentanediol, hexanediol, glycerin, pentaerythritol, sorbitol, sorbitan, polyethylene glycol, polypropylene glycol, and a reaction product of propylene glycol and alkylene oxide. .. These components may be used alone or in combination of two or more.
  • the treating agent for short fibers of the present embodiment has no limitation on the content ratio of the above-mentioned fatty acid derivative, fatty acid, fat and oil, and polyhydric alcohol in the treating agent. Assuming that the total content of the above-mentioned fatty acid derivative, at least one selected from fatty acid and oil and fat, and polyhydric alcohol is 100 parts by mass, the treatment agent for short fibers is 5 to 99.89 parts by mass of fatty acid derivative, And 0.01 to 10 parts by mass of polyhydric alcohol, and 0.1 to 90 parts by mass of polyhydric alcohol. With such a configuration, the effect of the present invention can be further improved.
  • the treatment agent for short fibers of the present embodiment preferably further contains at least one lubricant selected from a hydrocarbon compound, an ester (excluding the above fats and oils), and silicone.
  • a lubricant selected from a hydrocarbon compound, an ester (excluding the above fats and oils), and silicone.
  • hydrocarbon compound examples include mineral oil and paraffin wax.
  • ester examples include, for example, butyl stearate, stearyl stearate, glycerin monooleate, glycerin trioleate, sorbitan monolaurate, sorbitan trilaurate, sorbitan monooleate, sorbitan trioleate, sorbitan monostearate, sorbitan tristearate. Rate etc. are mentioned.
  • the treatment agent for short fibers of the present embodiment is not limited in the content ratio of the fatty acid derivative, the fatty acid, the oil/fat, the polyhydric alcohol, and the lubricant in the treatment agent. Assuming that the total content ratio of the fatty acid derivative, at least one selected from the fatty acid and fat and oil, the polyhydric alcohol, and the lubricant is 100 parts by mass, the treatment agent for short fibers contains 5 to 98.89 parts by mass of the fatty acid derivative.
  • the treatment agent for short fibers of the present embodiment preferably further contains an anionic surfactant.
  • an anionic surfactant By adding this anionic surfactant, the effect of the present invention can be further improved.
  • the type of anionic surfactant is not particularly limited, but examples thereof include (1) lauryl phosphate ester alkali metal salt, cetyl phosphate ester alkali metal salt, oleyl phosphate ester alkali metal salt, stearyl phosphate ester alkali metal salt, and the like.
  • Sulfate ester alkali metal salt (6) castor oil fatty acid sulfate ester alkali metal salt, sesame oil fatty acid sulfate ester alkali metal salt, tall oil fatty acid sulfate ester alkali metal salt, soybean oil fatty acid sulfate ester alkali metal salt, Rapeseed oil fatty acid sulfate ester alkali metal salt, palm oil fatty acid sulfate ester alkali metal salt, lard fat fatty acid sulfate ester alkali metal salt, beef tallow fatty acid sulfate ester alkali metal salt, whale oil fatty acid sulfate ester alkali metal salt, etc.
  • Alkali metal salts of sulfuric acid ester (8) Alkali metal salt of lauric acid, Alkali metal salt of oleic acid, Alkali metal salt of fatty acid such as stearic acid, and (9) Dioctylsulfosuccinic acid Examples thereof include alkali metal salts of sulfosuccinic acid esters of aliphatic alcohols. These components may be used alone or in combination of two or more.
  • the treating agent for short fibers of the present embodiment is not limited in the content ratio of the above-mentioned fatty acid derivative, fatty acid, fat and oil, polyhydric alcohol, and anionic surfactant in the treating agent. Assuming that the total content of at least one selected from the above-mentioned fatty acid derivative, fatty acid and oil and fat, polyhydric alcohol, and anionic surfactant is 100 parts by mass, the treating agent for short fibers contains a fatty acid derivative of 5 to 98%. 89 parts by mass, 0.01 to 10 parts by mass of at least one selected from fatty acids and fats, 0.1 to 90 parts by mass of polyhydric alcohol, and 1 to 20 parts by mass of anionic surfactant. Preferably. With such a configuration, the effect of the present invention can be further improved.
  • the content of the fatty acid derivative, the fatty acid, the oil and fat, the polyhydric alcohol, the anionic surfactant, and the lubricant in the treatment agent for short fibers of the present embodiment is not limited.
  • the total of the content ratios of the fatty acid derivative, at least one selected from the fatty acid and the oil and fat, the polyhydric alcohol, the anionic surfactant, and the lubricant is 100 parts by mass
  • the treating agent for short fibers is a fatty acid derivative.
  • the lubricant is contained in a ratio of 1 to 20 parts by mass.
  • the short fiber treating agent of the present embodiment further contains a nonionic surfactant other than the above as other components.
  • the staples to which the treating agent for staples of the present embodiment is applied are those generally called staples, and do not include long fibers commonly called filaments.
  • the length of the short fibers in the present embodiment is not particularly limited as long as it corresponds to the short fibers in the present technical field, but is preferably 100 mm or less, and more preferably 51 mm or less.
  • Fiber types include cotton fibers, natural fibers such as exposed cotton fibers, viscose rayon fibers, strong rayon fibers, high-strength rayon fibers, high-wet elastic rayon fibers, solvent-spun rayon fibers, polynosic fibers, cupra fibers, Examples thereof include recycled fibers such as acetate fibers, polyolefin fibers, polyester fibers, polyamide fibers, acrylic fibers, polyvinyl chloride fibers, and synthetic fibers such as composite fibers composed of two or more kinds of thermoplastic resins.
  • viscose rayon fiber, high-strength rayon fiber, high-strength rayon fiber, high-wet elastic rayon fiber, solvent-spun rayon fiber and the like are preferable, and viscose rayon fiber is particularly preferable.
  • the short fiber treating agent of the present embodiment contains a specific fatty acid derivative, at least one selected from a specific fatty acid and a specific oil and fat, and a specific polyhydric alcohol. Therefore, when the short fibers to which the treatment agent for short fibers is attached are hydroentangled, the treatment agent for short fibers dropped from the short fibers is suppressed from mixing with water to generate bubbles, that is, the water used for hydroentanglement. Can be suppressed. Thereby, the operation efficiency can be improved in the non-woven fabric manufacturing process.
  • the short fibers of this embodiment are the short fibers to which the short fiber treating agent of the first embodiment is attached.
  • a method of attaching the treatment agent for short fibers a known method such as a dipping method, a spray method, or a roller method can be applied.
  • the treatment agent for short fibers is applied is not particularly limited, and examples thereof include a post-step of a refining step and a spinning step.
  • the form of the short fiber treating agent when the short fiber treating agent of the first embodiment is attached to the short fibers may be, for example, an organic solvent solution or an aqueous liquid.
  • the short fiber treatment method is performed by diluting the short fiber treatment agent of the first embodiment with water to obtain an aqueous liquid having a concentration of 0.5 to 20% by mass, the aqueous liquid containing no solvent for the short fibers. It is preferable that the treatment agent for short fibers of one embodiment is attached in an amount of 0.1 to 1% by mass.
  • the spunlaced nonwoven fabric is manufactured by sequentially performing a web forming step (step 1) and a hydroentanglement step (step 2).
  • the web forming step is a step of producing a web by carding the short fibers to which the treatment agent for short fibers is attached. Carding can be performed using a known card machine. For example, flat cards, combination cards, roller cards and the like can be mentioned.
  • the hydroentangling step is a step of hydroentangled the web obtained by the web forming step.
  • the web can be irradiated with a high-pressure water stream, and the fibers can be entangled to form a sheet by the pressure of the water stream.
  • you may perform a drying process and a winding process suitably.
  • the following effect can be obtained in addition to the effect of (1) above.
  • the cotton odor of the short fibers to which the treatment agent for short fibers is attached can be reduced.
  • the first to third embodiments can be modified and implemented as follows.
  • the first to third embodiments and the following modified examples can be implemented in combination with each other within a technically consistent range.
  • Test Category 1 (Preparation of treatment agent for short fibers) (Example 1) The following materials were used as raw materials for the short fiber treating agent. In addition, the numerical value of each component shows content in the treating agent for short fibers.
  • Examples 2 to 15 and Comparative Examples 1 to 6 A treatment agent for short fibers was prepared in the same procedure as in Example 1 except that the materials and blending ratios shown in Table 1 were adopted. In addition, an aqueous liquid containing 10% of the treating agent for short fibers was obtained by the same procedure as in Example 1.
  • the type of each component used in each example and the content ratio (%) of each component in the treatment agent are shown in Table 1, "fatty acid derivative” column, "fatty acid or fat” column, “polyhydric alcohol” column, “lubrication” It shows in the “agent” column, the "anionic surfactant” column, and the “other” column.
  • Test Category 2 (Adhesion of treatment agent for short fiber to viscose rayon fiber (short fiber))
  • the aqueous solution of the treating agent for short fibers of each example shown in Table 1 was further diluted to prepare a 0.2% emulsion of the treating agent for short fibers.
  • This emulsion is spray-lubricated in a fineness of 1.3 ⁇ 10 ⁇ 4 g/m (1.2 denier) to a viscose rayon fiber with a fiber length of 38 mm so that the amount of adhesion (excluding solvent) is 0.2% by mass. It was attached with. After that, the humidity was controlled overnight in an atmosphere of 25° C. ⁇ 40% RH with a hot air dryer at 80° C. to obtain viscose rayon fibers to which the treating agent for short fibers was attached.
  • Test Category 3 evaluation of treatment agent for short fibers
  • evaluation test Using the viscose rayon fibers to which the short fiber treating agents of Examples 1 to 15 and Comparative Examples 1 to 6 were adhered, a foaming test and a cotton odor test were conducted. The procedure of each test is shown below. The test results are shown in the "foaming test” column and the “cotton odor test” column of Table 1.
  • Evaluation criteria for foamability test ⁇ Excellent: Height from water surface to upper surface of foam is less than 1 mm.
  • Good Good (good): The height from the water surface to the upper surface of the foam is 1 mm or more and less than 2 mm.
  • X (poor): The height from the water surface to the upper surface of the foam is 2 mm or more. (Cotton odor test) After adding 20 g of viscose rayon fiber to 150 g of water and sealing it for 30 minutes, 10 testers each confirmed the odor.
  • Evaluation criteria for cotton odor test ⁇ (excellent); 2 people or less judged to have odor. ⁇ (Good); 3 to 6 people were judged to have an odor.
  • A-4 polyethylene glycol (molecular weight 400) dilaurate
  • A-5 Polyethylene glycol (molecular weight 1000) distearate
  • A-6 Reaction product of coconut fatty acid and 10 mol of ethylene oxide
  • A-7 Polyethylene glycol (molecular weight 600) diolate
  • A-10 Polyethylene glycol (molecular weight 400) monooleate
  • B-1 beef tallow
  • B-2 stearic acid
  • B-3 palmitic acid
  • B-4 Palm oil
  • B-5 Palm oil
  • B-6 behenic acid
  • B-7 hydrogenated palm oil
  • B-8 Castor hydrogenated oil
  • B-9 castor oil
  • B-10 oleic acid
  • B-1

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

L'invention concerne un agent de traitement de fibres discontinues comprenant : le dérivé d'acide gras décrit ci-dessous ; au moins un élément choisi parmi l'acide gras décrit ci-dessous et la graisse/huile décrite ci-dessous ; et le polyol décrit ci-dessous (à l'exception du glycol polyoxypropylène (le nombre d'unités oxypropylène étant de 30) polyoxyéthylène (le nombre d'unités oxyéthylène étant de 20). Dérivé d'acide gras : un dérivé fabriqué par ajout d'oxyde d'alkylène dans un rapport de 0,1 à 30 moles par mole d'acide gras en C12-24. Acide gras : un acide gras en C12-24. Graisse/huile : au moins un élément choisi parmi les huiles végétales, les huiles animales et les huiles hydrogénées des huiles végétales et des huiles animales. Polyol : un polyol ayant de 2 à 6 groupes hydroxyle par molécule.
PCT/JP2019/050497 2019-01-04 2019-12-24 Agent de traitement de fibres discontinues, fibre discontinue et procédé de fabrication de tissu non tissé hydrolié WO2020141592A1 (fr)

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CN201980013978.2A CN111757954B (zh) 2019-01-04 2019-12-24 短纤维用处理剂、短纤维及水刺无纺布的制造方法
EP19907909.6A EP3907326A4 (fr) 2019-01-04 2019-12-24 Agent de traitement de fibres discontinues, fibre discontinue et procédé de fabrication de tissu non tissé hydrolié

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JP2019000238A JP6533020B1 (ja) 2019-01-04 2019-01-04 短繊維用処理剤、短繊維、及び、スパンレース不織布の製造方法
JP2019-000238 2019-01-04

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WO2021044912A1 (fr) * 2019-09-06 2021-03-11 松本油脂製薬株式会社 Agent de traitement de fibre pour entrelacement de flux d'eau à haute pression et utilisation dudit agent de traitement de fibre
JP6812039B1 (ja) * 2020-04-10 2021-01-13 竹本油脂株式会社 ビスコースレーヨン不織布用処理剤、ビスコースレーヨン不織布用処理剤の水性液、ビスコースレーヨン、及び不織布用のビスコースレーヨンの製造方法
JP6906822B1 (ja) * 2020-10-30 2021-07-21 竹本油脂株式会社 短繊維用処理剤、合成繊維、及び不織布の製造方法
JP7029834B1 (ja) * 2021-06-04 2022-03-04 竹本油脂株式会社 合成繊維用処理剤、繊維用第１処理剤、繊維用第２処理剤、合成繊維用処理剤の水性液、繊維の処理方法、及び繊維
JP7252684B1 (ja) * 2022-09-12 2023-04-05 竹本油脂株式会社 ビスコースレーヨン用処理剤、ビスコースレーヨン、ビスコースレーヨン短繊維、及びスパンレース不織布の製造方法
JP7311196B1 (ja) 2022-10-31 2023-07-19 竹本油脂株式会社 レーヨンスパンレース用処理剤、レーヨンスパンレース用処理剤含有組成物、レーヨンスパンレース用第１処理剤、レーヨンスパンレース用第１処理剤含有組成物、スパンレース不織布の製造方法

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JP2020109221A (ja) 2020-07-16
TW202031964A (zh) 2020-09-01
JP6533020B1 (ja) 2019-06-19
CN111757954B (zh) 2021-07-06

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