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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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  • 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
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  • 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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  • 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
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  • 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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  • 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
  • D06M13/248—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 sulfur
  • D06M13/256—Sulfonated compounds esters thereof, e.g. sultones
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  • 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
  • D06M13/248—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 sulfur
  • D06M13/262—Sulfated compounds thiosulfates
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  • 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
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  • 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
  • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
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  • 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

Definitions

• the present invention provides a polyolefin synthetic fiber treatment that imparts excellent card passage properties to a polyolefin synthetic fiber and imparts excellent initial hydrophilicity, durable hydrophilicity, and anti-wetting back property to a card web made of polyolefin synthetic fiber. And a polyolefin-based synthetic fiber to which such a treatment agent is attached.
• Patent Document 1 discloses a polyolefin-based synthetic fiber treating agent containing a predetermined polyoxyalkylene-modified silicone and a surfactant having a hydrocarbon group having 28 or more carbon atoms as a hydrophobic group.
• the problem to be solved by the present invention is to provide a polyolefin-based synthetic fiber with excellent card passage properties, and to provide a card web with excellent initial hydrophilicity, durable hydrophilicity, and anti-wetting property. It is in the place which provides a synthetic fiber processing agent and polyolefin synthetic fiber.
• a polyolefin-based synthetic fiber treatment agent containing a specific polyoxyalkylene derivative and a specific linear hydrocarbon compound is very suitable. I found it.
• a polyolefin-based synthetic fiber treating agent comprising the following polyoxyalkylene derivative and the following linear hydrocarbon compound.
• the polyoxyalkylene derivative is a compound in which at least one selected from ethylene oxide and propylene oxide is added at a ratio of 5 to 100 moles with respect to 1 mole of a monovalent aliphatic alcohol having 24 to 60 carbon atoms.
• the linear hydrocarbon compound is a linear hydrocarbon compound having 10 to 100 carbon atoms.
• the linear hydrocarbon compound is preferably polyethylene.
• the linear hydrocarbon compound preferably has 20 to 60 carbon atoms.
• the polyolefin-based synthetic fiber treating agent is 50 to 99% by mass of the polyoxyalkylene derivative and the linear type, assuming that the total content of the polyoxyalkylene derivative and the linear hydrocarbon compound is 100% by mass. It is preferable to contain a hydrocarbon compound in a proportion of 1 to 50% by mass.
• the polyolefin synthetic fiber treatment agent preferably further contains an anionic surfactant.
• the anionic surfactant is at least one selected from phosphate ester type anionic surfactants, sulfonate type anionic surfactants, sulfate ester type anionic surfactants, and fatty acid salt type anionic surfactants. It is preferable.
• the polyolefin-based synthetic fiber treating agent has a polyoxyalkylene derivative content of 20.0, assuming that the total content of the polyoxyalkylene derivative, the linear hydrocarbon compound, and the anionic surfactant is 100% by mass. To 80.0% by mass, 0.1 to 20.0% by mass of the linear hydrocarbon compound, and 5.0 to 50.0% by mass of the anionic surfactant. preferable.
• the polyolefin-based synthetic fiber treatment agent is applied to polyolefin-based synthetic fibers for nonwoven fabrics.
• a polyolefin-based synthetic fiber characterized in that the polyolefin-based synthetic fiber treating agent is attached.
• excellent card permeability can be imparted to the polyolefin synthetic fiber, and excellent initial hydrophilicity, durable hydrophilicity, and anti-wetting property can be imparted to the card web.
• the treatment agent of this embodiment contains the following polyoxyalkylene derivative and the following linear hydrocarbon compound.
• the polyoxyalkylene derivative is a compound in which at least one selected from ethylene oxide and propylene oxide is added at a ratio of 5 to 100 moles with respect to 1 mole of a monovalent aliphatic alcohol having 24 to 60 carbon atoms.
• the linear hydrocarbon compound is a linear hydrocarbon compound having 10 to 100 carbon atoms.
• at least one selected from ethylene oxide and propylene oxide is added at a ratio of 5 to 100 moles per mole of monohydric aliphatic alcohol having 24 to 60 carbon atoms.
• the monovalent aliphatic alcohol having 24 to 60 carbon atoms is not particularly limited, and examples thereof include tetracosyl alcohol, hexacosyl alcohol, octacosyl alcohol, triacontyl alcohol, dotriacontyl alcohol, and tetracontyl alcohol.
• Pentacontyl alcohol hexacontyl alcohol, 2-methyl-1-octaconyl alcohol, 8-methyl-1-tetracontyl alcohol, 20-methyl-pentacontyl alcohol, and the like.
• the effects of the present invention in particular, the card passing property and the durable hydrophilic property can be improved.
• the number of carbon atoms of the monohydric aliphatic alcohol to be 60 or less, the effect of the present invention, particularly the durable hydrophilicity can be improved.
• the effect of the present invention particularly the initial hydrophilicity can be improved.
• the effect of the present invention particularly the durable hydrophilicity, can be improved by regulating the number of added moles selected from ethylene oxide and propylene oxide to 100 moles or less.
• polyoxyalkylene derivative For example, polyoxyethylene (10 mol: The number of addition moles of ethylene oxide or propylene oxide is shown. The following is also the same) triacontyl ether, polyoxyethylene (80 mol) triacontyl ether. , Polyoxyethylene (80 mol) pentacontyl ether, polyoxyethylene (40 mol) polyoxypropylene (40 mol) pentacontyl ether, polyoxyethylene (40 mol) tetracontyl ether and the like.
• polyoxyalkylene derivative may be used individually by 1 type, and may be used in combination of 2 or more type.
• the linear hydrocarbon compound used for the treating agent of the present embodiment has 10 to 100 carbon atoms, preferably 20 to 60 carbon atoms.
• the number of carbon atoms By defining the number of carbon atoms to be 10 or more, the effect of the present invention, particularly the card passing property can be improved. On the other hand, by defining the number of carbon atoms to 100 or less, the effect of the present invention, particularly the anti-wetting property can be improved.
• linear hydrocarbon compound For example, a polypropylene, polyethylene, etc. are mentioned. Among these, polyethylene is preferable.
• a linear hydrocarbon compound may be used individually by 1 type, and may be used in combination of 2 or more type.
• the treatment agent of this embodiment is not limited in the content ratio of the polyoxyalkylene derivative and the linear hydrocarbon compound described above in the treatment agent.
• the treating agent is 50 to 99% by mass of the polyoxyalkylene derivative and 1.0 to 1.0% of the linear hydrocarbon compound. It is preferably contained at a ratio of 50.0% by mass.
• the treatment agent of this embodiment preferably further contains an anionic surfactant.
• an anionic surfactant By blending an anionic surfactant, the effects of the present invention, particularly the initial hydrophilicity, can be further improved.
• anionic surfactant such as octyl phosphate ester salt, isooctyl phosphate ester salt, decyl phosphate ester salt, dodecyl phosphate ester salt, tridecyl phosphate ester salt, tetradecyl phosphate ester salt, isooctyl phosphate Acid ester salt, 2-ethylhexyl phosphate ester salt, isotridecyl phosphate ester salt, isohexadecyl phosphate ester salt, polyoxyethylene octyl ether phosphate ester salt, polyoxyethylene isooctyl ether phosphate salt, poly Oxyethylene-2-ethylhexyl ether phosphat
• the treatment agent of the present embodiment is not limited in the content ratio of the above-described polyoxyalkylene derivative, linear hydrocarbon compound, and anionic surfactant in the treatment agent.
• the treatment agent contains 20.0-80.0% by mass of polyoxyalkylene derivative
• the chain hydrocarbon compound is preferably contained in a proportion of 0.1 to 20.0 mass% and an anionic surfactant in a proportion of 5.0 to 50.0 mass%.
• the treatment agent of this embodiment is imparted to polyolefin synthetic fibers.
• the synthetic fiber of this embodiment is a polyolefin-type synthetic fiber to which the treatment agent of the first embodiment is attached.
• the polyolefin synthetic fibers are not particularly limited, and examples thereof include polyolefin fibers such as polyethylene fibers, polypropylene fibers, and polybutene fibers. These may be used individually by 1 type and may be used in combination of 2 or more type.
• a composite fiber having a core-sheath structure in which either the core or the sheath part or both are polyolefin fibers, for example, a polyethylene / polypropylene composite fiber having a sheath part made of polyethylene fiber, a polyethylene / polyester composite fiber, etc. It may be.
• the ratio of attaching the treatment agent of the first embodiment (without solvent) to the synthetic fiber is not particularly limited, but the treatment agent of the first embodiment is 0.05 to 5.0 with respect to the synthetic fiber. It is preferable to make it adhere so that it may become a ratio of the mass%. By defining within this range, the effect of the present invention can be further improved. Moreover, it is not specifically limited by which process the processing agent of 1st Embodiment is made to adhere, For example, any of a spinning process, an extending process, a crimping process, etc. may be sufficient. It is preferable to attach before or after the spinning step or the crimping step from the viewpoint of satisfactorily expressing the effects of the present invention.
• the adhesion method a known method can be appropriately employed, and examples thereof include an immersion oil supply method, a spray oil supply method, a roller oil supply method, and a guide oil supply method using a metering pump.
• the immersion oil supply method, the spray oil supply method, or the roller oil supply method is preferable from the viewpoint of satisfactorily expressing the effects of the present invention.
• the form of the treatment agent when the treatment agent of the first embodiment is adhered to the synthetic fiber may be, for example, an organic solvent solution or an aqueous liquid.
• the polyolefin synthetic fiber treating agent and the polyolefin synthetic fiber of the above embodiment the following effects can be obtained.
• the polyoxyalkylene derivative at least one selected from ethylene oxide and propylene oxide is used as the polyoxyalkylene derivative with respect to 1 mol of monovalent aliphatic alcohol having 24 to 60 carbon atoms. The compound added in a proportion of ⁇ 100 mol was used.
• a linear hydrocarbon compound having 10 to 100 carbon atoms was used as the linear hydrocarbon compound. Therefore, excellent card passage properties can be imparted to the polyolefin-based synthetic fiber. Moreover, excellent initial hydrophilicity, durable hydrophilicity, and anti-wetting property can be imparted to a card web obtained by a card roller (card machine).
• Test category 1 Preparation of polyolefin synthetic fiber treatment agent
• polyolefin-based synthetic fiber treating agent 35.0 g of polyoxyethylene (10 mol) triacontyl ether (A-1), 5.0 g of polyethylene (B-1) having 30 carbon atoms, and octyl 10.0 g of potassium phosphate ester (C-1) was mixed, 950.0 g of water was added, and the mixture was stirred to obtain an aqueous dispersion.
• the polyolefin synthetic fiber treating agent of Example 1 was 5.0% aqueous. A liquid was obtained.
• Example 2 to 14 and Comparative Examples 1 to 13 The same procedure as that for preparing the polyolefin-based synthetic fiber treating agent of Example 1, except that the polyoxyalkylene derivative, polyethylene, Examples of the anionic surfactant and other components, and the content ratio (%) of each component in the treating agent were appropriately changed as shown in the column “polyolefin-based synthetic fiber treating agent” in Table 2. Treatment agents 2 to 14 and Comparative Examples 1 to 13 were prepared.
• Table 1 shows the details of each polyoxyalkylene derivative used in preparing these treatment agents, that is, the number of carbon atoms of the aliphatic alcohol and addition of ethylene oxide (hereinafter referred to as EO) or propylene oxide (hereinafter referred to as PO). The number of moles.
• A-1 Polyoxyethylene (10 mol) triacontyl ether
• A-2 polyoxyethylene (80 mol) triacontyl ether
• A-3 Polyoxyethylene (80 mol) pentacontyl ether
• A-4 polyoxyethylene (40 mol) polyoxypropylene (40 mol) pentacontyl ether
• A-5 polyoxyethylene (40 mol) tetracontyl ether
• ra-1 polyoxyethylene (10 mol) docosyl ether
• ra-2 polyoxyethylene (10 mol) pentahexacontyl ether
• ra-3 polyoxyethylene (3 mol) triacontyl ether
• ra-4 polyoxyethylene (120 mol) triacontyl ether
• ra-5 polyoxyethylene (60 mol) polyoxypropylene (60 mol) triacontyl ether
• ra-6 polyoxyethylene (10 mol) octyl ether
• Test category 2 Adhesion and evaluation of polyolefin synthetic fiber treatment agent
• a polyolefin composite fiber having a sheath part of polyethylene, a core part of polyester, a fineness of 2.2 dtex, and a fiber length of 51 mm was prepared.
• the aqueous liquid of the treatment agent for polyolefin synthetic fibers of each example prepared in Test Category 1 was attached to the polyolefin composite fiber by a spray lubrication method so that the adhesion amount (excluding the solvent) was 0.35% by mass, It dried with the hot air dryer of 80 degreeC for 1 hour, and processed polyolefin type synthetic fiber processing cotton was obtained.
• Test Category 3 (Preparation and evaluation of polyolefin synthetic fiber nonwoven fabric) ⁇ Evaluation of durable hydrophilicity 100 g of treated polyolefin synthetic fiber-treated cotton obtained in Test Category 2 was conditioned at 20 ° C. in a constant temperature room of 65% RH for 24 hours, and then subjected to a roller card (card machine). A card web having a basis weight of 20 g / m 2 was produced. The obtained card web was subjected to hot air treatment at 140 ° C. for 10 seconds to obtain a sample for durability hydrophilicity evaluation. This sample was cut into small pieces of 10 cm ⁇ 10 cm and conditioned at 20 ° C. in a constant temperature room of 60% RH for 24 hours.
• ⁇ excellent: The time required for the physiological saline to be completely absorbed is less than 5 seconds.
• ⁇ good: The time required for the physiological saline to be completely absorbed is 5 seconds or more and less than 8 seconds.
• X impossible: It takes 8 seconds or more for the physiological saline to be completely absorbed.
• the sample for durability hydrophilic evaluation was cut into small pieces of 10 cm x 10 cm, and conditioned for 24 hours at 20 ° C in a constant temperature room of 65% RH.
• a 10 cm ⁇ 10 cm piece of non-woven fabric was cut out from the outermost nonwoven fabric material of a commercially available paper diaper, and the 10 cm ⁇ 10 cm piece of the conditioned moisture was attached to the cut portion to obtain a sample for evaluating the anti-wetting property.
• Comparative Examples 1, 2, 12, and 13 that do not contain a linear hydrocarbon compound are particularly inferior in evaluation of the anti-wetting property to each example.
• the comparative example 3 which does not contain a polyoxyalkylene derivative is inferior in evaluation of card
• Comparative Examples 4 and 9 in which the aliphatic alcohol constituting the polyoxyalkylene derivative had less than 24 carbon atoms were inferior in card evaluation and durability hydrophilicity evaluation to each example.
• the comparative example 5 whose carbon number of the aliphatic alcohol which comprises a polyoxyalkylene derivative is 65 is especially inferior to each Example of durable hydrophilic property, anti-wetting prevention property, and initial hydrophilicity evaluation. Is confirmed. Further, Comparative Example 6 in which the number of added moles of alkylene oxide constituting the polyoxyalkylene derivative is 3, particularly inferior to each example in terms of durability hydrophilicity, anti-wetting prevention property, and initial hydrophilicity. Is confirmed. In addition, it is confirmed that Comparative Examples 7 and 8 in which the total number of added moles of alkylene oxide constituting the polyoxyalkylene derivative is 120 are particularly inferior in durability and hydrophilicity evaluation to each example.
• Comparative Example 10 in which the number of carbon atoms of polyethylene is 6 is particularly inferior in evaluation of card passing property to each example. It is confirmed that Comparative Example 11 in which the carbon number of polyethylene is 150 is inferior in evaluation of particularly durable hydrophilicity, anti-wetting property and initial hydrophilicity to each example.

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