CN111757954B - Treating agent for short fibers, and method for producing spunlace nonwoven fabric - Google Patents
Treating agent for short fibers, and method for producing spunlace nonwoven fabric Download PDFInfo
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- CN111757954B CN111757954B CN201980013978.2A CN201980013978A CN111757954B CN 111757954 B CN111757954 B CN 111757954B CN 201980013978 A CN201980013978 A CN 201980013978A CN 111757954 B CN111757954 B CN 111757954B
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- 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)
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- 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
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- 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
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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
- D06M13/02—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
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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
- D06M13/10—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
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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
- D06M13/10—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
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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
- D06M13/10—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
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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
- D06M13/10—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
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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
- 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
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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
- 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
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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
A treatment agent for short fibers, which comprises a fatty acid derivative described below, at least one member selected from the group consisting of fatty acids described below and oils and fats described below, and a polyhydric alcohol described below (with the exception of polyoxyethylene (20 units of ethylene oxide) and polyoxypropylene (30 units of propylene oxide) glycol). Fatty acid derivatives: 0.1 to 30 moles of alkylene oxide is added to 1 mole of a fatty acid having 12 to 24 carbon atoms. Fatty acid: a fatty acid having 12 to 24 carbon atoms. Grease: at least one selected from the group consisting of vegetable oils, animal oils, and hardened oils thereof. Polyol: a polyol having 2 to 6 hydroxyl groups in the molecule.
Description
Technical Field
The present invention relates to a treating agent for short fibers, short fibers to which the treating agent for short fibers is attached, and a method for producing a spun-laced nonwoven fabric using the short fibers to which the treating agent for short fibers is attached.
Background
In general, natural fibers such as cotton fibers, regenerated fibers such as rayon, and synthetic fibers such as polyolefin fibers can be used as the raw fibers for the nonwoven fabric. In order to impart various properties such as lubricity and bundling property necessary for the raw material fibers in the production of nonwoven fabrics, a treatment agent for nonwoven fabrics containing a surfactant may be adhered to the surfaces of the raw material fibers.
Conventionally, treatment agents for nonwoven fabrics disclosed in patent documents 1 and 2 have been known. Patent document 1 discloses a treatment agent for nonwoven fabric, which is composed of mineral oil, fatty acid ester, polyoxyalkylene polyol fatty acid ester, and the like. Patent document 2 discloses a fiber treatment agent for high-pressure water-flow-blending, which is configured to contain a polyol fatty acid ester sulfate, a mineral oil, a polyoxyalkylene polyol fatty acid ester, and the like.
Documents of the prior art
Patent document
Patent document 1: international publication No. 2016/104106
Patent document 2: japanese patent No. 6096061
Disclosure of Invention
Problems to be solved by the invention
However, these conventional nonwoven fabric treating agents have the following problems: water used for water flow intermingling in the nonwoven fabric production process is likely to generate bubbles, that is, the treatment agent detached from the raw material fibers is likely to foam when mixed into water.
The present invention has been made in view of the above circumstances, and an object thereof is to provide a treatment agent for short fibers, which can suppress the generation of bubbles in water used for water flow interlacing. Also disclosed is a short fiber to which the treating agent for short fibers has been attached. Also provided is a method for producing a spunlace nonwoven fabric using short fibers to which the treatment agent for short fibers is attached.
Means for solving the problems
The present inventors have conducted studies to solve the above problems and found that a treatment agent for short fibers comprising a specific fatty acid derivative, a specific fatty acid or fat, and a specific polyhydric alcohol is particularly effective.
The treating agent for short fibers for solving the above problems is characterized in that: comprises a fatty acid derivative as described below, at least one selected from the group consisting of a fatty acid as described below and an oil or fat as described below, and a polyol as described below (wherein polyoxyethylene (20 units of ethylene oxide) and polyoxypropylene (30 units of propylene oxide) are excluded). Fatty acid derivatives: 0.1 to 30 moles of alkylene oxide is added to 1 mole of a fatty acid having 12 to 24 carbon atoms. Fatty acid: a fatty acid having 12 to 24 carbon atoms. Grease: at least one selected from the group consisting of vegetable oils, animal oils, and hardened oils thereof. Polyol: a polyol having 2 to 6 hydroxyl groups in the molecule.
Preferably, the method comprises the following steps: the treating agent for short fibers contains 5 to 99.89 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, and 0.1 to 90 parts by mass of the polyol, when the total content ratio of the fatty acid derivative, the at least one selected from the fatty acid and the oil and fat, and the polyol is set to 100 parts by mass.
Preferably, the method comprises the following steps: the short fiber treatment agent further contains at least one lubricant selected from the group consisting of hydrocarbons, esters other than the above-mentioned oils and fats, and silicone.
In this case, it is preferable that: the short fiber treatment agent contains 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 group consisting of the fatty acid and the oil, 0.1 to 90 parts by mass of the polyol, and 1 to 20 parts by mass of the lubricant, when the total content ratio of the fatty acid derivative, the at least one selected from the group consisting of the fatty acid and the oil, the polyol, and the lubricant is 100 parts by mass.
Preferably, the method comprises the following steps: the treating agent for short fibers further contains an anionic surfactant.
In this case, it is preferable that: the treating agent for short fibers comprises 5 to 98.89 parts by mass of the fatty acid derivative, 0.01 to 10 parts by mass of at least one member selected from the group consisting of the fatty acid and the oil, 0.1 to 90 parts by mass of the polyol, and 1 to 20 parts by mass of the anionic surfactant, when the total content ratio of the fatty acid derivative, the at least one member selected from the group consisting of the fatty acid and the oil, the polyol, and the anionic surfactant is 100 parts by mass.
The short fiber treatment agent may be a lubricant containing at least one selected from the group consisting of a hydrocarbon, an ester other than the above-mentioned oil and fat, and silicone, and an anionic surfactant.
In this case, it is preferable that: the treating agent for short fibers contains 5 to 97.89 parts by mass of the fatty acid derivative, 0.01 to 10 parts by mass of at least one selected from the group consisting of the fatty acid and the oil, 0.1 to 90 parts by mass of the polyol, 1 to 20 parts by mass of the anionic surfactant, and 1 to 20 parts by mass of the lubricant, when the total content ratio of the fatty acid derivative, the at least one selected from the group consisting of the fatty acid and the oil, the polyol, the anionic surfactant, and the lubricant is 100 parts by mass.
Preferably, the method comprises the following steps: the short fibers treated by the treating agent for the short fibers are viscose rayon.
The short fibers for solving the above problems are characterized in that: the treatment agent for short fibers is attached.
The method for producing a spunlace nonwoven fabric for solving the above problems is characterized in that: comprises the following steps 1 and 2. Step 1: and carding the short fibers to manufacture a carded cotton web. And a step 2: and (3) interlacing the carded webs obtained in the step (1) with water flow. That is, the method comprises a step of carding the short fibers to which the treating agent for short fibers is attached to produce a carded web, and a step of interlacing the carded web with a water stream.
Effects of the invention
According to the present invention, it is possible to suppress foaming of water used for water flow entanglement when short fibers to which a short fiber treatment agent has adhered are entangled with a water flow.
Detailed Description
(embodiment 1)
Embodiment 1 of a short fiber treating agent according to the present invention will be described. The treating agent for short fibers comprises the following fatty acid derivative, at least one selected from the following fatty acids and the following fats and oils, and the following polyhydric alcohol.
The fatty acid derivative is obtained by adding 0.1 to 30 moles of alkylene oxide to 1 mole of a fatty acid having 12 to 24 carbon atoms. Specific examples of the fatty acid derivatives include, for example, (1) polyoxyalkylene alkyl (or alkylene) esters obtained by addition reaction of saturated or unsaturated fatty acids such as polyoxyethylene (a.n. ═ ethylene oxide addition mole number) 20, that is, n ═ 20) oleate, polyoxyethylene (n ═ 10) oleate, polyoxyethylene (n ═ 30) oleate, polyoxyethylene (n ═ 5) stearate, polyoxyethylene (n ═ 10) lauryl ester, polyoxyalkylene (n ═ 10), polyoxypropylene (a.m. ═ propylene oxide addition mole number) 10, that is, m ═ 10) stearyl ester with alkylene oxides; (2) polyalkylene glycol alkyl (or alkylene) esters obtained by addition reaction of a saturated or unsaturated fatty acid such as polyethylene glycol (molecular weight 400) monooleate, polyethylene glycol (molecular weight 600) dioleate, polyethylene glycol (molecular weight 1000) monostearate, polyethylene glycol (molecular weight 400) dilaurate, or polyethylene glycol (molecular weight 1000) distearate with a polyalkylene glycol; (3) polyoxyethylene (n ═ 30) castor oil esters, polyoxyalkylene (n ═ 10, m ═ 10) castor oil esters, polyoxyethylene (n ═ 10) hardened castor oil esters, polyoxyalkylene oil ester obtained by addition reaction of an oil or fat such as a reaction product of coconut fatty acid and 10 moles of ethylene oxide to alkylene oxide, and the like. These components can be used alone in 1 kind, also can be combined using more than 2 kinds. When the alkylene oxide includes ethylene oxide and propylene oxide, the form of addition of ethylene oxide and propylene oxide may be any of block addition, random addition, and a combination of block addition and random addition, and is not particularly limited.
The fatty acid is a fatty acid having 12-24 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, pyrolinoleic acid, coconut fatty acid, and the like. These components can be used alone in 1 kind, also can be combined using more than 2 kinds.
The oil and fat is at least one selected from vegetable oil, animal oil, and hardened oil thereof. Specific examples of the oils and fats include castor oil, sesame oil, rosin oil, palm kernel oil, coconut oil, rapeseed oil, lard, beef tallow, whale oil, hardened oils thereof, and the like. These components can be used alone in 1 kind, also can be combined using more than 2 kinds.
The polyhydric alcohol is a polyhydric alcohol having 2-6 hydroxyl groups in the molecule. In the present embodiment, polyols other than polyoxyethylene (20 units of ethylene oxide) polyoxypropylene (30 units of propylene oxide) diol are selected and used. Specific examples of the polyhydric alcohol include ethylene glycol, propylene glycol, pentanediol, hexanediol, glycerol, neopentylglycol, sorbitol, sorbitan, polyethylene glycol, polypropylene glycol, and a reaction product of propylene glycol and an alkylene oxide. These components can be used alone in 1 kind, also can be combined using more than 2 kinds.
The content ratio of the fatty acid derivative, the fatty acid, the fat or oil, and the polyol in the treating agent for short fibers of the present embodiment is not limited. When the total content of the fatty acid derivative, at least one selected from the group consisting of fatty acids and oils and fats, and polyhydric alcohol is 100 parts by mass, the treating agent for short fibers preferably contains 5 to 99.89 parts by mass of the fatty acid derivative, 0.01 to 10 parts by mass of at least one selected from the group consisting of fatty acids and oils and fats, and 0.1 to 90 parts by mass of polyhydric alcohol. With this configuration, the effect of the present invention can be further improved.
The treating agent for short fibers of the present embodiment preferably further contains at least one lubricant selected from the group consisting of hydrocarbons, esters other than the above-mentioned fats and oils, and silicone. By mixing the lubricant, the effect of the invention can be further improved. These lubricant components may be used alone in 1 kind, or in combination of 2 or more kinds.
Specific examples of the hydrocarbon include mineral oil and paraffin.
Specific examples of the esters include butyl stearate, stearyl stearate, glyceryl monooleate, glyceryl trioleate, sorbitan monolaurate, sorbitan trilaurate, sorbitan monooleate, sorbitan trioleate, sorbitan monostearate and sorbitan tristearate.
Specific examples of the polysiloxane include dimethylpolysiloxane, amino-modified polysiloxane, polyoxyalkylene-modified polysiloxane, and the like.
The content ratio of the fatty acid derivative, the fatty acid, the fat or oil, the polyol, and the lubricant in the treating agent for short fibers of the present embodiment is not limited. When the total content ratio of the fatty acid derivative, at least one selected from the group consisting of fatty acids and oils and fats, polyol, and lubricant is 100 parts by mass, the treating agent for short fibers preferably contains 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 group consisting of fatty acids and oils and fats, 0.1 to 90 parts by mass of polyol, and 1 to 20 parts by mass of lubricant. With this configuration, the effect of the present invention can be further improved.
The treatment agent for short fibers of the present embodiment preferably further contains an anionic surfactant. By matching with the anionic surfactant, the effect of the invention can be further improved. The kind of the anionic surfactant is not particularly limited, and examples thereof include (1) alkali metal salts of phosphoric acid esters of aliphatic alcohols such as alkali metal lauryl phosphate, alkali metal cetyl phosphate, alkali metal oleyl phosphate and alkali metal stearyl phosphate; (2) alkali metal salts of phosphoric acid esters of at least one alkylene oxide selected from ethylene oxide and propylene oxide added to aliphatic alcohols such as alkali metal salts of polyoxyethylene (n-5) lauryl ether phosphoric acid esters, alkali metal salts of polyoxyethylene (n-5) oleyl ether phosphoric acid esters, and alkali metal salts of polyoxyethylene (n-10) stearyl ether phosphoric acid esters; (3) alkali metal salts of sulfonates of aliphatic alcohols such as alkali metal salts of lauryl sulfonate, oleyl sulfonate, stearyl sulfonate and tetradecane sulfonate; (4) alkali metal salts of sulfates of aliphatic alcohols such as alkali metal salts of lauryl sulfate, alkali metal salts of oleyl sulfate and alkali metal salts of stearyl sulfate; (5) alkali metal salts of sulfuric acid esters in which an alkylene oxide selected from at least one of ethylene oxide and propylene oxide is added to aliphatic alcohols such as alkali metal salts of polyoxyethylene (n-3) lauryl ether sulfuric acid esters, alkali metal salts of polyoxyethylene (n-5) lauryl ether sulfuric acid esters, alkali metal salts of polyoxyalkylene (n-3, m-3) lauryl ether sulfuric acid esters, alkali metal salts of polyoxyethylene (n-3) oleyl ether sulfuric acid esters, and alkali metal salts of polyoxyethylene (n-5) oleyl ether sulfuric acid esters; (6) alkali metal salts of fatty acid sulfates such as alkali metal sulfates of castor oil fatty acid, sesame oil fatty acid sulfates, rosin oil fatty acid sulfates, soybean oil fatty acid sulfates, rapeseed oil fatty acid sulfates, palm oil fatty acid sulfates, lard fatty acid sulfates, beef tallow fatty acid sulfates, whale oil fatty acid sulfates and the like; (7) alkali metal salts of sulfates of oils and fats such as alkali metal salts of sulfates of castor oil, alkali metal salts of sulfates of sesame oil, alkali metal salts of sulfates of rosin oil, alkali metal salts of sulfates of soybean oil, alkali metal salts of sulfates of rapeseed oil, alkali metal salts of sulfates of palm oil, alkali metal salts of sulfates of lard, alkali metal salts of sulfates of tallow, and alkali metal salts of sulfates of whale oil; (8) alkali metal salts of fatty acids such as alkali metal salts of lauric acid, oleic acid, and stearic acid; (9) and alkali metal salts of sulfosuccinic acid esters of aliphatic alcohols such as alkali metal salts of dioctylsulfosuccinic acid. These components can be used alone in 1 kind, also can be combined using more than 2 kinds.
The content ratio of the fatty acid derivative, the fatty acid, the fat or oil, the polyol, and the anionic surfactant in the treating agent for short fibers of the present embodiment is not limited. When the total content ratio of the fatty acid derivative, at least one selected from the group consisting of fatty acids and oils and fats, polyol, and anionic surfactant is 100 parts by mass, the treating agent for short fibers preferably contains 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 group consisting of fatty acids and oils and fats, 0.1 to 90 parts by mass of polyol, and 1 to 20 parts by mass of anionic surfactant. With this configuration, the effect of the present invention can be further improved.
The content ratio of the fatty acid derivative, the fatty acid, the fat or oil, the polyol, the anionic surfactant, and the lubricant in the treating agent for short fibers of the present embodiment is not limited. When the total content ratio of the fatty acid derivative, at least one selected from the group consisting of fatty acids and oils and fats, polyol, anionic surfactant, and lubricant is 100 parts by mass, the treating agent for short fibers preferably contains 5 to 97.89 parts by mass of the fatty acid derivative, 0.01 to 10 parts by mass of at least one selected from the group consisting of fatty acids and oils and fats, 0.1 to 90 parts by mass of polyol, 1 to 20 parts by mass of anionic surfactant, and 1 to 20 parts by mass of lubricant. With this configuration, the effect of the present invention can be further improved.
The treatment agent for short fibers of the present embodiment is preferably further composed of other components than the above-mentioned nonionic surfactant. Specific examples of the nonionic surfactant other than those described above include polyoxyalkylene alkyl (or alkenyl) ethers obtained by addition reaction of a saturated or unsaturated aliphatic 1-membered alcohol such as (1) polyoxyethylene (n ═ 10) lauryl ether, polyoxyethylene (n ═ 20) stearyl ether, polyoxyethylene (n ═ 30) oleyl ether, polyoxyethylene (n ═ 10) alkyl (having 12 to 13 carbon atoms) ether, polyoxyalkylene (n ═ 10, m ═ 10) lauryl ether, and alkylene oxide; (2) polyoxyalkylene polyol esters obtained by addition reaction of an aliphatic polyol such as polyoxyethylene (n ═ 10) sorbitan monolaurate, polyoxyethylene (n ═ 20) sorbitan monooleate, polyoxyethylene (n ═ 20) sorbitan monostearate, and polyoxyethylene (n ═ 20) sorbitan tristearate with an alkylene oxide; (3) polyoxyalkylene alkylphenol ethers obtained by addition reaction of an alkylene phenol such as polyoxyethylene (n ═ 10) octylphenol ether or polyoxyethylene (n ═ 10) nonylphenol ether with an alkylene oxide; (4) and polyoxyalkylene amine ethers obtained by addition reaction of an alkylene oxide to a saturated or unsaturated aliphatic amine such as polyoxyethylene (n ═ 5) octylamine ether, polyoxyethylene (n ═ 8) laurylamine ether, or polyoxyethylene (n ═ 20) stearylamine ether. These nonionic surfactants may be used alone in 1 kind, or in combination of 2 or more kinds. The content ratio of the nonionic surfactant is not limited.
The short fibers to which the treating agent for short fibers of the present embodiment is applied are those generally called cotton fibers (staple) and include no long fibers generally called filamentous fibers (filament). The length of the short fibers in the present embodiment is not particularly limited as long as it is equivalent to short fibers in the present technical field, and is preferably, for example, 100mm or less, more preferably 51mm or less. Examples of the fiber type include synthetic fibers such as natural fibers including kapok fibers and exposed kapok fibers, viscose rayon fibers, high tenacity rayon fibers, high wet elastic rayon fibers, solvent spun rayon fibers, kakker cotton fibers, cuprammonium fibers, regenerated fibers such as acetate fibers, polyolefin fibers, polyester fibers, polyamide fibers, acrylic fibers, polyvinyl chloride fibers, and composite fibers composed of 2 or more types of thermoplastic resins. Among them, viscose rayon fiber, high tenacity rayon fiber, high wet elastic rayon fiber, solvent spun rayon fiber and the like are preferable, and viscose rayon fiber is particularly preferable.
According to embodiment 1, the following effects can be obtained.
(1) The treatment agent for short fibers of the present embodiment includes a specific fatty acid derivative, at least one selected from a specific fatty acid and a specific fat and oil, and a specific polyol. Therefore, when the short fibers to which the short fiber treatment agent has adhered are subjected to water flow interlacing, bubbles generated when the short fiber treatment agent detached from the short fibers is mixed into water, that is, bubbles of water used for water flow interlacing can be suppressed. Therefore, the working efficiency in the non-woven fabric manufacturing process can be improved.
(embodiment 2)
The following describes embodiment 2 of a short fiber according to an embodiment of the present invention. The short fiber of the present embodiment is a short fiber to which the treating agent for short fibers of embodiment 1 is attached. The method of attaching the treating agent for short fibers may be any known method, for example, dipping method, spraying method, roll method, etc. The method for applying the treating agent for short fibers to the textile is not particularly limited, and examples thereof include a post-refining step, a spinning step, and the like.
The short fibers treated with the treating agent for short fibers of the present embodiment can be applied to the above.
The form of the treating agent for short fibers in the case of attaching the treating agent for short fibers of embodiment 1 to short fibers may be, for example, an organic solvent solution or an aqueous solution. The method for treating short fibers is preferably such that the treating agent for short fibers of embodiment 1 is diluted with water to an aqueous solution having a concentration of 0.5 to 20% by mass and the aqueous solution is attached to short fibers, and the treating agent for short fibers of embodiment 1 does not contain a solvent in an amount of 0.1 to 1% by mass.
(embodiment 3)
Embodiment 3 of the method for producing a spunlace nonwoven fabric embodying the present invention will be described.
The spunlace nonwoven fabric is manufactured by sequentially performing a carding web forming process (process 1) and a water interlacing process (process 2).
(Cotton web formation Process)
The card web forming step is a step of carding the short fibers to which the short fiber treatment agent is attached, to produce a card web. Carding can be carried out using known carding machines. Examples thereof include a pin card, a comber, and a carding roller.
(Water flow interlacing process)
The water flow interlacing process is a process of interlacing the cotton carding net prepared in the cotton carding net forming process by water flow. High-pressure water streams are sprayed to the card web, and the fibers can be entangled with each other by the pressure of the water streams to form a plate. After the water flow interlacing step, an appropriate drying step or winding step can be performed.
According to embodiments 2 and 3, in addition to the effect (1) described above, the following effects can be obtained.
(2) Since the foaming of the water used for the water current interlacing can be suppressed, the water current interlacing can be preferably performed when the water used for the water current interlacing is circulated to perform the water current interlacing. Therefore, the quality of the spunlace nonwoven fabric can be improved.
(3) The cotton odor of the short fibers to which the short fiber treatment agent has adhered can be reduced.
Embodiments 1 to 3 can be modified as follows. Embodiments 1 to 3 and the following modifications can be combined and implemented within a range not technically contradictory to each other.
● the treatment agent of the above embodiment may further contain a component that is generally used in treatment agents, such as an antioxidant and an ultraviolet absorber, as another component for maintaining the quality of the treatment agent, within a range that does not impair the effects of the present invention.
Examples
Hereinafter, examples and the like are given to more specifically explain the configuration and effects of the present invention, but the present invention is not limited to these examples. In the following description of examples and comparative examples, parts represent parts by mass, and% represents% by mass.
Test section 1 (preparation of treating agent for short fiber)
(example 1)
The following materials were used as the raw materials of the treating agent for short fibers. Wherein the numerical values of the respective components represent the contents in the treating agent for short fibers.
Fatty acid derivatives: polyoxyethylene (n ═ 20) oleate (A-1) 20%
Grease: butter (B-1) 5%
Polyol: ethylene glycol (C-1) 70%
Lubricant: stearyl stearate (D-1) 2%
Anionic surfactant: lauryl phosphate potassium salt (E-1) 3%
To 100 parts of the treating agent for short fibers prepared in such a manner as to give the above compounding ratio, 900 parts of water was added, and the mixture was stirred at 50 ℃ to prepare an aqueous solution containing 10% of the treating agent for short fibers.
(examples 2 to 15 and comparative examples 1 to 6)
A treating agent for short fibers was prepared in the same manner as in example 1, except that the materials and the blending ratios shown in Table 1 were used. Further, an aqueous liquid containing 10% of a treatment agent for short fibers was obtained in the same procedure as in example 1. The types of the respective components used in the respective examples and the content ratios (%) of the respective components in the treatment agent are shown in the column "fatty acid derivative", "fatty acid or fat", "polyol", "lubricant", "anionic surfactant" and "others" in table 1.
Test section 2 (attachment of treatment agent for short fiber to viscose rayon fiber (short fiber))
The aqueous solutions of the treating agents for short fibers in the respective examples described in table 1 were further diluted to prepare an emulsion of 0.2% of the treating agent for short fibers. The emulsion was attached to a fineness of 1.3X 10 by a spray oil feeding method-4Viscose rayon fiber of g/m (1.2 denier) and a fiber length of 38mm, the amount of attachment (solvent removal) was 0.2 mass%. Then, the resulting fibers were wetted with a hot air dryer at 80 ℃ overnight in an atmosphere of 25 ℃ x 40% RH to obtain viscose rayon fibers to which the treating agent for short fibers was attached.
Test section 3 (evaluation of treating agent for short fiber)
(evaluation test)
The foaming property test and the cotton odor test were performed using the viscose rayon fibers to which the treating agents for short fibers of examples 1 to 15 and comparative examples 1 to 6 were attached. The sequence of each test is as follows. The test results are shown in the columns of "foamability test" and "soft odor test" in table 1.
(foaming test)
First, 20g of viscose rayon fiber was put into 150g of water, and after 15 minutes, the viscose rayon fiber was taken out and screwed with a manual juicer (hand juicer). 10g of the wrung solution was put into a 25ml measuring cylinder with a cap and shaken vigorously for 30 seconds, and then left to stand for 30 seconds, and then shaken vigorously again for 30 seconds. After standing for 5 minutes, the height from the water surface to the upper side of the foam was measured.
Evaluation criteria for foaming test
Excellent: the height from the water surface to the upper surface of the foam is less than 1mm
O (good): the height from the water surface to the upper surface of the foam is 1mm or more and less than 2mm
X (bad): the height from the water surface to the upper surface of the foam is 2mm or more
(Mian odor test)
20g of viscose rayon fiber was put into 150g of water, and the mixture was sealed for 30 minutes to confirm odor in 10 testers.
Evaluation standard of soft odor test
Excellent: odor is judged to be present in 2 persons or less
O (good): judging odor by 3-6 persons
X (bad): odor is judged to be present for more than 7 people
TABLE 1
The symbols in table 1 indicate:
a-1: polyoxyethylene (n ═ 20) oleate
A-2: polyoxyethylene (n ═ 5) stearate
A-3: polyoxyethylene (n ═ 10) stearate
A-4: polyethylene glycol (molecular weight 400) dilaurate
A-5: polyethylene glycol (molecular weight 1000) distearate
A-6: reactant of coconut fatty acid and 10 mol of ethylene oxide
A-7: polyethylene glycol (molecular weight 600) dioleate
A-8: polyoxyethylene (n ═ 10) oleate
A-9: polyoxyethylene (n-30) oleate
A-10: polyethylene glycol (molecular weight 400) monooleate
B-1: beef tallow
B-2: stearic acid
B-3: myristic acid
B-4: coconut oil
B-5: palm oil
B-6: behenic acid
B-7: hardened palm oil
B-8: hardened castor oil
B-9: castor oil
B-10: oleic acid
B-11: lard oil
B-12: rosin oil
B-13: lauric acid
B-14: coconut fatty acid
C-1: ethylene glycol
C-2: polyethylene glycol (molecular weight 400)
C-3: polypropylene glycol (molecular weight 600)
C-4: propylene glycol
C-5: polyethylene glycol (molecular weight 600)
C-6: reactant of propylene glycol and alkylene oxide (average molecular weight 3000)
C-7: polyethylene glycol (molecular weight 2000)
C-8: sorbitan
C-9: sorbitol
C-10: glycerol
D-1: stearic acid stearyl ester
D-2: mineral oil (viscosity 500 seconds)
D-3: dimethylpolysiloxane
D-4: mineral oil (viscosity 180 seconds)
D-5: amino-polysiloxanes
D-6: paraffin wax
D-7: mineral oil (viscosity 60 seconds)
D-8: glyceryl monooleate
D-9: mineral oil (viscosity 80 seconds)
D-10: sorbitan tristearate
D-11: sorbitan monostearate
E-1: potassium lauryl phosphate
E-2: dioctyl sulfosuccinate sodium salt
E-3: tetradecane sulfonic acid ester sodium salt
E-4: sodium oleate
E-5: tallow sodium sulfate salt
E-6: potassium stearate
F-1: polyoxyethylene (n ═ 5) stearyl ether
F-2: polyoxyethylene (n ═ 20) sorbitan monostearate
F-3: polyoxyethylene (n ═ 20) sorbitan tristearate
F-4: polyoxyethylene (n ═ 20) sorbitan monostearate
As is clear from the results in table 1, the bubbling of water used for water stream interlacing can be suppressed according to the present invention. Further, the lint odor of the fiber to which the treatment agent for short fibers is attached can be reduced.
Claims (7)
1. A treatment agent for short fibers, characterized in that:
a polyol which contains 5 to 99.89 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 or fat, and 0.1 to 90 parts by mass of the polyol, wherein the polyol is obtained by adding a glycol selected from the group consisting of a polyoxyethylene having 20 ethylene oxide units and a polyoxypropylene having 30 propylene oxide units to the polyol, and the total content ratio of the fatty acid derivative, the at least one selected from the fatty acid and the oil or fat, and the polyol is 100 parts by mass;
fatty acid derivatives: 0.1 to 30 moles of an alkylene oxide to 1 mole of a fatty acid having 12 to 24 carbon atoms,
fatty acid: a fatty acid having 12 to 24 carbon atoms,
grease: at least one selected from the group consisting of vegetable oils, animal oils, and hardened oils thereof,
polyol: a polyol having 2 to 6 hydroxyl groups in the molecule.
2. A treatment agent for short fibers, characterized in that:
a polyol which comprises a fatty acid derivative, at least one member selected from the group consisting of a fatty acid having 20 ethylene oxide units and a polyoxypropylene having 30 propylene oxide units, and an oil or fat, wherein the polyol is not particularly limited,
further comprising at least one lubricant selected from the group consisting of hydrocarbons, esters other than the above-mentioned oils and fats, and silicones,
the composition comprises 5 to 98.89 parts by mass of the fatty acid derivative, 0.01 to 10 parts by mass of at least one member selected from the group consisting of the fatty acid and the fat, 0.1 to 90 parts by mass of the polyol, and 1 to 20 parts by mass of the lubricant, wherein the total content ratio of the fatty acid derivative, the at least one member selected from the group consisting of the fatty acid and the fat, the polyol, and the lubricant is 100 parts by mass,
fatty acid derivatives: 0.1 to 30 moles of an alkylene oxide to 1 mole of a fatty acid having 12 to 24 carbon atoms,
fatty acid: a fatty acid having 12 to 24 carbon atoms,
grease: at least one selected from the group consisting of vegetable oils, animal oils, and hardened oils thereof,
polyol: a polyol having 2 to 6 hydroxyl groups in the molecule.
3. A treatment agent for short fibers, characterized in that:
a polyol which comprises a fatty acid derivative, at least one member selected from the group consisting of a fatty acid having 20 ethylene oxide units and a polyoxypropylene having 30 propylene oxide units, and an oil or fat, wherein the polyol is not particularly limited,
further, the aqueous dispersion contains an anionic surfactant,
the composition comprises 5 to 98.89 parts by mass of the fatty acid derivative, 0.01 to 10 parts by mass of at least one member selected from the group consisting of the fatty acid and the fat, 0.1 to 90 parts by mass of the polyol, and 1 to 20 parts by mass of the anionic surfactant, wherein the total content ratio of the fatty acid derivative, the at least one member selected from the group consisting of the fatty acid and the fat, the polyol, and the anionic surfactant is 100 parts by mass,
fatty acid derivatives: 0.1 to 30 moles of an alkylene oxide to 1 mole of a fatty acid having 12 to 24 carbon atoms,
fatty acid: a fatty acid having 12 to 24 carbon atoms,
grease: at least one selected from the group consisting of vegetable oils, animal oils, and hardened oils thereof,
polyol: a polyol having 2 to 6 hydroxyl groups in the molecule.
4. A treatment agent for short fibers, characterized in that:
a polyol which comprises a fatty acid derivative, at least one member selected from the group consisting of a fatty acid having 20 ethylene oxide units and a polyoxypropylene having 30 propylene oxide units, and an oil or fat, wherein the polyol is not particularly limited,
further comprising at least one lubricant selected from the group consisting of hydrocarbons, esters other than the above-mentioned oils and fats, and silicones,
further, the aqueous dispersion contains an anionic surfactant,
the composition comprises 5 to 97.89 parts by mass of the fatty acid derivative, 0.01 to 10 parts by mass of at least one member selected from the group consisting of the fatty acid and the fat, 0.1 to 90 parts by mass of the polyhydric alcohol, 1 to 20 parts by mass of the anionic surfactant, and 1 to 20 parts by mass of the lubricant, when the total content ratio of the fatty acid derivative, the at least one member selected from the group consisting of the fatty acid and the fat, the polyhydric alcohol, the anionic surfactant, and the lubricant is 100 parts by mass,
fatty acid derivatives: 0.1 to 30 moles of an alkylene oxide to 1 mole of a fatty acid having 12 to 24 carbon atoms,
fatty acid: a fatty acid having 12 to 24 carbon atoms,
grease: at least one selected from the group consisting of vegetable oils, animal oils, and hardened oils thereof,
polyol: a polyol having 2 to 6 hydroxyl groups in the molecule.
5. The agent for treating short fibers according to any one of claims 1 to 4,
the short fiber is viscose rayon.
6. A staple fiber characterized by:
the agent for treating short fibers according to any one of claims 1 to 5 is attached.
7. A manufacturing method of spunlace nonwoven fabric is characterized in that:
comprises the following steps:
step 1: a process for carding the staple fibers of claim 6 to produce a carded web, process 2: and (3) interlacing the carded webs obtained in the step (1) by water flow.
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| JP2019-000238 | 2019-01-04 | ||
| JP2019000238A JP6533020B1 (en) | 2019-01-04 | 2019-01-04 | Process for producing short fiber treating agent, short fiber and spunlace nonwoven fabric |
| PCT/JP2019/050497 WO2020141592A1 (en) | 2019-01-04 | 2019-12-24 | Staple fiber treatment agent, staple fiber, and method for manufacturing spun-lace non-woven cloth |
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| CN114341422B (en) * | 2019-09-06 | 2023-12-19 | 松本油脂制药株式会社 | Fiber treating agent for high-pressure water jet and application thereof |
| JP6812039B1 (en) * | 2020-04-10 | 2021-01-13 | 竹本油脂株式会社 | Viscose rayon Non-woven fabric treatment agent, viscose rayon Non-woven fabric treatment agent aqueous solution, viscose rayon, and method for producing viscose rayon for non-woven fabric |
| JP6906822B1 (en) * | 2020-10-30 | 2021-07-21 | 竹本油脂株式会社 | Method for manufacturing short fiber treatment agents, synthetic fibers, and non-woven fabrics |
| JP7029834B1 (en) * | 2021-06-04 | 2022-03-04 | 竹本油脂株式会社 | Synthetic fiber treatment agent, fiber first treatment agent, fiber second treatment agent, synthetic fiber treatment agent aqueous solution, fiber treatment method, and fiber |
| JP7086423B1 (en) * | 2021-07-09 | 2022-06-20 | 竹本油脂株式会社 | Staple treatment agent, aqueous solution of staple fiber treatment agent, staple fiber treatment method, staple fiber manufacturing method, and staple fiber |
| JP7252684B1 (en) * | 2022-09-12 | 2023-04-05 | 竹本油脂株式会社 | Processing agent for viscose rayon, viscose rayon, viscose rayon staple fiber, and method for producing spunlace nonwoven fabric |
| JP7311196B1 (en) | 2022-10-31 | 2023-07-19 | 竹本油脂株式会社 | Treatment agent for rayon spunlace, composition containing treatment agent for rayon spunlace, first treatment agent for rayon spunlace, composition containing first treatment agent for rayon spunlace, method for producing spunlace nonwoven fabric |
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| CN103835128A (en) * | 2012-11-26 | 2014-06-04 | 竹本油脂株式会社 | Method for treating synthetic fiber, method for spinning synthetic fiber, and spun yarn |
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| CN111757954A (en) | 2020-10-09 |
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| TW202031964A (en) | 2020-09-01 |
| EP3907326A1 (en) | 2021-11-10 |
| WO2020141592A1 (en) | 2020-07-09 |
| JP2020109221A (en) | 2020-07-16 |
| TWI727563B (en) | 2021-05-11 |
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