WO2019208399A1 - Treatment agent for polyolefin-based synthetic fibers, and polyolefin-based synthetic fiber - Google Patents
Treatment agent for polyolefin-based synthetic fibers, and polyolefin-based synthetic fiber Download PDFInfo
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- WO2019208399A1 WO2019208399A1 PCT/JP2019/016708 JP2019016708W WO2019208399A1 WO 2019208399 A1 WO2019208399 A1 WO 2019208399A1 JP 2019016708 W JP2019016708 W JP 2019016708W WO 2019208399 A1 WO2019208399 A1 WO 2019208399A1
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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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- 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
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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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- 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.
Abstract
A treatment agent for polyolefin-based synthetic fibers according to the present invention is characterized by comprising a polyoxyalkylene derivative as mentioned below and a linear hydrocarbon compound as mentioned below. The polyoxyalkylene derivative is a compound in which at least one oxide selected from ethylene oxide and propylene oxide is added at a ratio of 5 to 100 moles relative 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. A polyolefin-based synthetic fiber according to the present invention is characterized by having, attached thereto, the treatment agent for polyolefin-based synthetic fibers.
Description
本発明は、優れたカード通過性をポリオレフィン系合成繊維に付与し、ポリオレフィン系合成繊維からなるカードウェブに優れた初期親水性、耐久親水性、及び濡れ戻り防止性を付与するポリオレフィン系合成繊維処理剤、並びにかかる処理剤が付着したポリオレフィン系合成繊維に関する。
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.
一般に、紙おむつ等の衛生製品として、体液を吸収するために高吸収性高分子の表面をポリオレフィン系の合成繊維で被覆した製品が知られている。高吸収性高分子の表面を被覆する合成繊維には特に、体液をすばやく吸収する初期親水性、繰り返し体液をすばやく吸収する耐久親水性、及び高吸収性高分子に保持された水分の漏れを防止する濡れ戻り防止性が要求される。そのため、ポリオレフィン系合成繊維の表面に、界面活性剤等を含有するポリオレフィン系合成繊維処理剤を付与する処理が行われることがある。しかしながら、ポリオレフィン系の合成繊維として、カードローラー（カード機）を使用する乾式法により製造される不織布等が用いられる場合、カード通過性も必要とされる。
Generally, as hygiene products such as disposable diapers, products in which the surface of a superabsorbent polymer is coated with a synthetic polyolefin fiber to absorb body fluids are known. Especially for synthetic fibers covering the surface of superabsorbent polymers, especially the initial hydrophilicity that absorbs bodily fluids quickly, durable hydrophilicity that absorbs bodily fluids quickly, and the leakage of moisture retained in the superabsorbent polymer is prevented Therefore, wetting prevention is required. Therefore, the process which provides the polyolefin synthetic fiber processing agent containing surfactant etc. on the surface of a polyolefin synthetic fiber may be performed. However, when a nonwoven fabric or the like manufactured by a dry method using a card roller (card machine) is used as the polyolefin-based synthetic fiber, card passability is also required.
従来、特許文献１に開示されるポリオレフィン系合成繊維処理剤が知られている。特許文献１は、所定のポリオキシアルキレン変性シリコーン及び炭素数２８以上の炭化水素基を疎水基とする界面活性剤を含むポリオレフィン系合成繊維処理剤について開示する。
Conventionally, a polyolefin-based synthetic fiber treating agent disclosed in Patent Document 1 is known. Patent Document 1 discloses a polyolefin-based synthetic fiber treatment agent containing a predetermined polyoxyalkylene-modified silicone and a surfactant having a hydrocarbon group having 28 or more carbon atoms as a hydrophobic group.
しかし、これら従来のポリオレフィン系合成繊維処理剤では、ポリオレフィン系合成繊維の優れたカード通過性、カードウェブの初期親水性、耐久親水性、及び濡れ戻り防止性という各機能の両立を十分に図ることができなかった。
However, with these conventional polyolefin-based synthetic fiber treatment agents, both the excellent card-passability of the polyolefin-based synthetic fiber, the initial hydrophilicity of the card web, the durable hydrophilicity, and the anti-wetting property must be fully achieved. I could not.
本発明が解決しようとする課題は、優れたカード通過性をポリオレフィン系合成繊維に付与し、優れた初期親水性、耐久親水性、及び濡れ戻り防止性をカードウェブに付与することができるポリオレフィン系合成繊維処理剤及びポリオレフィン系合成繊維を提供する処にある。
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.
本発明者らは、前記の課題を解決するべく研究した結果、特定のポリオキシアルキレン誘導体及び特定の直鎖状炭化水素化合物を含有して成るポリオレフィン系合成繊維処理剤がまさしく好適であることを見出した。
As a result of researches to solve the above problems, the present inventors have found that a polyolefin-based synthetic fiber treatment agent containing a specific polyoxyalkylene derivative and a specific linear hydrocarbon compound is very suitable. I found it.
上記目的を達成するために、本発明の一態様では、下記のポリオキシアルキレン誘導体及び下記の直鎖状炭化水素化合物を含有して成ることを特徴とするポリオレフィン系合成繊維処理剤が提供される。
In order to achieve the above object, according to one aspect of the present invention, there is provided a polyolefin-based synthetic fiber treating agent comprising the following polyoxyalkylene derivative and the following linear hydrocarbon compound. .
ポリオキシアルキレン誘導体は、炭素数２４～６０の１価脂肪族アルコール１モルに対し、エチレンオキサイド及びプロピレンオキサイドから選ばれる少なくとも一種を５～１００モルの割合で付加させた化合物である。直鎖状炭化水素化合物は、炭素数１０～１００の直鎖状炭化水素化合物である。
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.
前記直鎖状炭化水素化合物が、ポリエチレンであることが好ましい。
前記直鎖状炭化水素化合物が、炭素数２０～６０のものであることが好ましい。
前記ポリオレフィン系合成繊維処理剤は、前記ポリオキシアルキレン誘導体及び前記直鎖状炭化水素化合物の含有割合の合計を１００質量％とすると、前記ポリオキシアルキレン誘導体を５０～９９質量％及び前記直鎖状炭化水素化合物を１～５０質量％の割合で含有して成ることが好ましい。 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.
前記直鎖状炭化水素化合物が、炭素数２０～６０のものであることが好ましい。
前記ポリオレフィン系合成繊維処理剤は、前記ポリオキシアルキレン誘導体及び前記直鎖状炭化水素化合物の含有割合の合計を１００質量％とすると、前記ポリオキシアルキレン誘導体を５０～９９質量％及び前記直鎖状炭化水素化合物を１～５０質量％の割合で含有して成ることが好ましい。 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.
前記ポリオレフィン系合成繊維処理剤は更にアニオン界面活性剤を含有して成ることが好ましい。
前記アニオン界面活性剤が、リン酸エステル塩型アニオン界面活性剤、スルホン酸塩型アニオン界面活性剤、硫酸エステル塩型アニオン界面活性剤、及び脂肪酸塩型アニオン界面活性剤から選ばれる少なくとも一種であることが好ましい。 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.
前記アニオン界面活性剤が、リン酸エステル塩型アニオン界面活性剤、スルホン酸塩型アニオン界面活性剤、硫酸エステル塩型アニオン界面活性剤、及び脂肪酸塩型アニオン界面活性剤から選ばれる少なくとも一種であることが好ましい。 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.
前記ポリオレフィン系合成繊維処理剤は、前記ポリオキシアルキレン誘導体、前記直鎖状炭化水素化合物、及び前記アニオン界面活性剤の含有割合の合計を１００質量％とすると、前記ポリオキシアルキレン誘導体を２０．０～８０．０質量％、前記直鎖状炭化水素化合物を０．１～２０．０質量％、及び前記アニオン界面活性剤を５．０～５０．０質量％の割合で含有して成ることが好ましい。
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.
前記ポリオレフィン系合成繊維処理剤は不織布用のポリオレフィン系合成繊維に付与されることが好ましい。
また、本発明の別の態様では、前記ポリオレフィン系合成繊維処理剤が付着していることを特徴とするポリオレフィン系合成繊維が提供される。 It is preferable that the polyolefin-based synthetic fiber treatment agent is applied to polyolefin-based synthetic fibers for nonwoven fabrics.
In another aspect of the present invention, there is provided a polyolefin-based synthetic fiber characterized in that the polyolefin-based synthetic fiber treating agent is attached.
また、本発明の別の態様では、前記ポリオレフィン系合成繊維処理剤が付着していることを特徴とするポリオレフィン系合成繊維が提供される。 It is preferable that the polyolefin-based synthetic fiber treatment agent is applied to polyolefin-based synthetic fibers for nonwoven fabrics.
In another aspect of the present invention, there is provided a polyolefin-based synthetic fiber characterized in that the polyolefin-based synthetic fiber treating agent is attached.
本発明によると、優れたカード通過性をポリオレフィン系合成繊維に付与し、優れた初期親水性、耐久親水性、及び濡れ戻り防止性をカードウェブに付与できる。
According to the present invention, 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.
（第１実施形態）
以下、本発明に係るポリオレフィン系合成繊維処理剤（以下、単に処理剤ともいう）を具体化した第１実施形態について説明する。本実施形態の処理剤は、下記のポリオキシアルキレン誘導体及び下記の直鎖状炭化水素化合物を含有して成るものである。 (First embodiment)
Hereinafter, a first embodiment embodying a polyolefin-based synthetic fiber treatment agent (hereinafter, also simply referred to as a treatment agent) according to the present invention will be described. The treatment agent of this embodiment contains the following polyoxyalkylene derivative and the following linear hydrocarbon compound.
以下、本発明に係るポリオレフィン系合成繊維処理剤（以下、単に処理剤ともいう）を具体化した第１実施形態について説明する。本実施形態の処理剤は、下記のポリオキシアルキレン誘導体及び下記の直鎖状炭化水素化合物を含有して成るものである。 (First embodiment)
Hereinafter, a first embodiment embodying a polyolefin-based synthetic fiber treatment agent (hereinafter, also simply referred to as a treatment agent) according to the present invention will be described. The treatment agent of this embodiment contains the following polyoxyalkylene derivative and the following linear hydrocarbon compound.
ポリオキシアルキレン誘導体は、炭素数２４～６０の１価脂肪族アルコール１モルに対し、エチレンオキサイド及びプロピレンオキサイドから選ばれる少なくとも一種を５～１００モルの割合で付加させた化合物である。
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.
直鎖状炭化水素化合物は、炭素数１０～１００の直鎖状炭化水素化合物である。
本実施形態の処理剤に供するポリオキシアルキレン誘導体は、炭素数２４～６０の１価脂肪族アルコール１モルに対し、エチレンオキサイド及びプロピレンオキサイドから選ばれる少なくとも一種を５～１００モルの割合で付加させた化合物である。炭素数２４～６０の１価脂肪族アルコールとしては、特に制限はなく、例えばテトラコシルアルコール、ヘキサコシルアルコール、オクタコシルアルコール、トリアコンチルアルコール、ドトリアコンチルアルコール、テトラコンチルアルコール、ペンタコンチルアルコール、ヘキサコンチルアルコール、２－メチル－１－オクタコンシルアルコール、８－メチル－１－テトラコンチルアルコール、２０－メチル－ペンタコンチルアルコール等が挙げられる。１価脂肪族アルコールの炭素数を２４以上に規定することにより、本発明の効果、特にカード通過性、耐久親水性を向上できる。一方、１価脂肪族アルコールの炭素数を６０以下に規定することにより、本発明の効果、特に耐久親水性を向上できる。 The linear hydrocarbon compound is a linear hydrocarbon compound having 10 to 100 carbon atoms.
In the polyoxyalkylene derivative used for the treating agent of this embodiment, 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. Compound. 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. By defining the number of carbon atoms of the monohydric aliphatic alcohol to 24 or more, the effects of the present invention, in particular, the card passing property and the durable hydrophilic property can be improved. On the other hand, by defining 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.
本実施形態の処理剤に供するポリオキシアルキレン誘導体は、炭素数２４～６０の１価脂肪族アルコール１モルに対し、エチレンオキサイド及びプロピレンオキサイドから選ばれる少なくとも一種を５～１００モルの割合で付加させた化合物である。炭素数２４～６０の１価脂肪族アルコールとしては、特に制限はなく、例えばテトラコシルアルコール、ヘキサコシルアルコール、オクタコシルアルコール、トリアコンチルアルコール、ドトリアコンチルアルコール、テトラコンチルアルコール、ペンタコンチルアルコール、ヘキサコンチルアルコール、２－メチル－１－オクタコンシルアルコール、８－メチル－１－テトラコンチルアルコール、２０－メチル－ペンタコンチルアルコール等が挙げられる。１価脂肪族アルコールの炭素数を２４以上に規定することにより、本発明の効果、特にカード通過性、耐久親水性を向上できる。一方、１価脂肪族アルコールの炭素数を６０以下に規定することにより、本発明の効果、特に耐久親水性を向上できる。 The linear hydrocarbon compound is a linear hydrocarbon compound having 10 to 100 carbon atoms.
In the polyoxyalkylene derivative used for the treating agent of this embodiment, 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. Compound. 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. By defining the number of carbon atoms of the monohydric aliphatic alcohol to 24 or more, the effects of the present invention, in particular, the card passing property and the durable hydrophilic property can be improved. On the other hand, by defining 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.
また、エチレンオキサイド及びプロピレンオキサイドから選ばれる少なくとも一種の付加モル数を５モル以上に規定することにより、本発明の効果、特に初期親水性を向上できる。一方、エチレンオキサイド及びプロピレンオキサイドから選ばれる少なくとも一種の付加モル数を１００モル以下に規定することにより、本発明の効果、特に耐久親水性を向上できる。
Further, by defining the number of added moles selected from ethylene oxide and propylene oxide to 5 moles or more, the effect of the present invention, particularly the initial hydrophilicity can be improved. On the other hand, 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.
ポリオキシアルキレン誘導体としては、特に制限はなく、例えばポリオキシエチレン（１０モル：エチレンオキサイド又はプロピレンオキサイドの付加モル数を示す。以下同じ。）トリアコンチルエーテル、ポリオキシエチレン（８０モル）トリアコンチルエーテル、ポリオキシエチレン（８０モル）ペンタコンチルエーテル、ポリオキシエチレン（４０モル）ポリオキシプロピレン（４０モル）ペンタコンチルエーテル、ポリオキシエチレン（４０モル）テトラコンチルエーテル等が挙げられる。なお、エチレンオキサイドやプロピレンオキサイドの付加形態として制限は特になく、ブロック付加、ランダム付加のいずれでもよい。ポリオキシアルキレン誘導体は、１種を単独で使用してもよく、２種以上を組み合わせて使用してもよい。
There is no restriction | limiting in particular as a 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. In addition, there is no restriction | limiting in particular as an addition form of ethylene oxide or propylene oxide, Any of block addition and random addition may be sufficient. A polyoxyalkylene derivative may be used individually by 1 type, and may be used in combination of 2 or more type.
本実施形態の処理剤に供する直鎖状炭化水素化合物は、炭素数１０～１００のものであり、炭素数２０～６０のものが好ましい。炭素数を１０以上に規定することにより、本発明の効果、特にカード通過性を向上できる。一方、炭素数を１００以下に規定することにより、本発明の効果、特に濡れ戻り防止性を向上できる。
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. 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.
直鎖状炭化水素化合物としては、特に制限はなく、例えばポリプロピレン、ポリエチレン等が挙げられる。これらの中でもポリエチレンが好ましい。直鎖状炭化水素化合物は、１種を単独で使用してもよく、２種以上を組み合わせて使用してもよい。
There is no restriction | limiting in particular as a 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.
本実施形態の処理剤は、処理剤中における上述したポリオキシアルキレン誘導体及び直鎖状炭化水素化合物の含有比率に制限はない。上記のポリオキシアルキレン誘導体及び直鎖状炭化水素化合物の含有割合の合計を１００質量％とすると、処理剤はポリオキシアルキレン誘導体を５０～９９質量％及び直鎖状炭化水素化合物を１．０～５０．０質量％の割合で含有して成ることが好ましい。かかる範囲に規定することにより、本発明の効果をより向上できる。
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. When the total content of the polyoxyalkylene derivative and the linear hydrocarbon compound is 100% by mass, 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. By defining within this range, the effect of the present invention can be further improved.
本実施形態の処理剤は、更にアニオン界面活性剤を含有して成ることが好ましい。アニオン界面活性剤を配合することにより、本発明の効果、特に初期親水性をより向上できる。アニオン界面活性剤の種類に限定はなく、例えばオクチルリン酸エステル塩、イソオクチルリン酸エステル塩、デシルリン酸エステル塩、ドデシルリン酸エステル塩、トリデシルリン酸エステル塩、テトラデシルリン酸エステル塩、イソオクチルリン酸エステル塩、２－エチルヘキシルリン酸エステル塩、イソトリデシルリン酸エステル塩、イソヘキサデシルリン酸エステル塩、ポリオキシエチレンオクチルエーテルリン酸エステル塩、ポリオキシエチレンイソオクチルエーテルリン酸エステル塩、ポリオキシエチレン－２－エチルヘキシルエーテルリン酸エステル塩、ポリオキシエチレンデシルエーテルリン酸エステル塩、ポリオキシエチレンドデシルエーテルリン酸エステル塩、ポリオキシエチレントリデシルエーテルリン酸エステル塩、ポリオキシエチレンテトラデシルエーテルリン酸エステル塩、ポリオキシエチレンヘキサデシルエーテルリン酸エステル塩等のリン酸エステル塩型アニオン界面活性剤や、オクチルスルホン酸塩、デシルスルホン酸塩、ドデシルスルホン酸塩、テトラデシルスルホン酸塩、ヘキサデシルスルホン酸塩、オクチルベンゼンスルホン酸塩、ドデシルベンゼンスルホン酸塩等のスルホン酸塩型アニオン界面活性剤や、硫酸オクチル塩、硫酸デシル塩、硫酸ドデシル塩、硫酸テトラデシル塩、硫酸ヘキサデシル塩等の硫酸エステル塩型アニオン界面活性剤や、オクタン酸塩、カプリン酸塩、ラウリン酸塩、オレイン酸塩等の脂肪酸塩型アニオン界面活性剤等が挙げられる。これらの中でも、ナトリウム塩、カリウム塩等のアルカリ金属塩から構成されるアニオン界面活性剤であることが好ましい。アニオン界面活性剤は、１種を単独で使用してもよく、２種以上を組み合わせて使用してもよい。
The treatment agent of this embodiment preferably further contains an anionic surfactant. By blending an anionic surfactant, the effects of the present invention, particularly the initial hydrophilicity, can be further improved. There are no limitations on the type of 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 phosphate, polyoxyethylene decyl ether phosphate, polyoxyethylene dodecyl ether phosphate, polyoxyethylene tridecyl ether phosphate Phosphate salt type anionic surfactants such as polyoxyethylene tetradecyl ether phosphate, polyoxyethylene hexadecyl ether phosphate, octyl sulfonate, decyl sulfonate, dodecyl sulfonate, tetra Sulfate type anionic surfactants such as decyl sulfonate, hexadecyl sulfonate, octyl benzene sulfonate, dodecyl benzene sulfonate, octyl sulfate, decyl sulfate, dodecyl sulfate, tetradecyl sulfate, Examples thereof include sulfate ester type anionic surfactants such as hexadecyl sulfate and fatty acid salt type anionic surfactants such as octanoate, caprate, laurate and oleate. Among these, it is preferable that it is an anionic surfactant comprised from alkali metal salts, such as a sodium salt and potassium salt. An anionic surfactant may be used individually by 1 type, and may be used in combination of 2 or more type.
本実施形態の処理剤は、処理剤中における上述したポリオキシアルキレン誘導体、直鎖状炭化水素化合物、及びアニオン界面活性剤の含有比率に制限はない。上記のポリオキシアルキレン誘導体、直鎖状炭化水素化合物、及びアニオン界面活性剤の含有割合の合計を１００質量％とすると、処理剤はポリオキシアルキレン誘導体を２０．０～８０．０質量％、直鎖状炭化水素化合物を０．１～２０．０質量％、及びアニオン界面活性剤を５．０～５０．０質量％の割合で含有して成ることが好ましい。かかる範囲に規定することにより、本発明の効果をより向上できる。
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. When the total content of the above polyoxyalkylene derivative, linear hydrocarbon compound, and anionic surfactant is 100% by mass, 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%. By defining within this range, the effect of the present invention can be further improved.
本実施形態の処理剤は、ポリオレフィン系合成繊維に付与される。特に不織布に用いられるポリオレフィン系合成繊維に付与すると、得られる不織布の耐久親水性、濡れ戻り防止性、及び初期親水性の各効果の発現がより大きくなるため好ましい。
The treatment agent of this embodiment is imparted to polyolefin synthetic fibers. In particular, it is preferable to apply to the polyolefin synthetic fiber used for the nonwoven fabric because the resulting nonwoven fabric has more enhanced effects of durable hydrophilicity, anti-wetting property and initial hydrophilicity.
（第２実施形態）
次に、本発明に係るポリオレフィン系合成繊維（以下、単に合成繊維ともいう）を具体化した第２実施形態について説明する。本実施形態の合成繊維は、第１実施形態の処理剤が付着しているポリオレフィン系合成繊維である。ポリオレフィン系合成繊維としては、特に限定されず、例えばポリエチレン繊維、ポリプロピレン繊維、ポリブテン繊維等のポリオレフィン系繊維が挙げられる。これらは、１種を単独で使用してもよく、２種以上を組み合わせて使用してもよい。また、芯鞘構造の複合繊維であって、芯、鞘部のいずれか又は両者がポリオレフィン系繊維である複合繊維、例えば鞘部がポリエチレン繊維であるポリエチレン／ポリプロピレン複合繊維、ポリエチレン／ポリエステル複合繊維等であってもよい。 (Second Embodiment)
Next, a second embodiment in which a polyolefin-based synthetic fiber according to the present invention (hereinafter also simply referred to as a synthetic fiber) is embodied will be described. 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. Also, 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.
次に、本発明に係るポリオレフィン系合成繊維（以下、単に合成繊維ともいう）を具体化した第２実施形態について説明する。本実施形態の合成繊維は、第１実施形態の処理剤が付着しているポリオレフィン系合成繊維である。ポリオレフィン系合成繊維としては、特に限定されず、例えばポリエチレン繊維、ポリプロピレン繊維、ポリブテン繊維等のポリオレフィン系繊維が挙げられる。これらは、１種を単独で使用してもよく、２種以上を組み合わせて使用してもよい。また、芯鞘構造の複合繊維であって、芯、鞘部のいずれか又は両者がポリオレフィン系繊維である複合繊維、例えば鞘部がポリエチレン繊維であるポリエチレン／ポリプロピレン複合繊維、ポリエチレン／ポリエステル複合繊維等であってもよい。 (Second Embodiment)
Next, a second embodiment in which a polyolefin-based synthetic fiber according to the present invention (hereinafter also simply referred to as a synthetic fiber) is embodied will be described. 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. Also, 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.
第１実施形態の処理剤（溶媒を含まない）を上記合成繊維に付着させる割合は、特に制限はないが、第１実施形態の処理剤を上記合成繊維に対して０．０５～５．０質量％の割合となるよう付着させることが好ましい。かかる範囲に規定することにより、本発明の効果をより向上させることができる。また、第１実施形態の処理剤をどの工程で付着させるかは、特に限定されず、例えば紡糸工程、延伸工程、捲縮工程等のいずれであってもよい。紡糸工程又は捲縮工程の前、或いは後に付着させることが、本発明の効果を良好に発現させる観点から好ましい。付着方法は、公知の方法を適宜採用することができ、例えば浸漬給油法、スプレー給油法、ローラー給油法、計量ポンプを用いたガイド給油法等が挙げられる。これらの中で本発明の効果を良好に発現させる観点から浸漬給油法、スプレー給油法、又はローラー給油法が好ましい。第１実施形態の処理剤を合成繊維に付着させる際の処理剤の形態は、例えば有機溶媒溶液又は水性液であってもよい。
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. As 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. Among these, 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.
上記実施形態のポリオレフィン系合成繊維処理剤及びポリオレフィン系合成繊維によれば、以下のような効果を得ることができる。
（１）上記実施形態では、ポリオレフィン系合成繊維処理剤において、ポリオキシアルキレン誘導体として、炭素数２４～６０の１価脂肪族アルコール１モルに対し、エチレンオキサイド及びプロピレンオキサイドから選ばれる少なくとも一種を５～１００モルの割合で付加させた化合物を使用した。また、直鎖状炭化水素化合物として、炭素数１０～１００の直鎖状炭化水素化合物を使用した。したがって、優れたカード通過性をポリオレフィン系合成繊維に付与できる。また、カードローラー（カード機）により得られるカードウェブに優れた初期親水性、耐久親水性、及び濡れ戻り防止性を付与できる。 According to the polyolefin synthetic fiber treating agent and the polyolefin synthetic fiber of the above embodiment, the following effects can be obtained.
(1) In the above-described embodiment, in the polyolefin-based synthetic fiber treatment agent, as 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. In addition, 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).
（１）上記実施形態では、ポリオレフィン系合成繊維処理剤において、ポリオキシアルキレン誘導体として、炭素数２４～６０の１価脂肪族アルコール１モルに対し、エチレンオキサイド及びプロピレンオキサイドから選ばれる少なくとも一種を５～１００モルの割合で付加させた化合物を使用した。また、直鎖状炭化水素化合物として、炭素数１０～１００の直鎖状炭化水素化合物を使用した。したがって、優れたカード通過性をポリオレフィン系合成繊維に付与できる。また、カードローラー（カード機）により得られるカードウェブに優れた初期親水性、耐久親水性、及び濡れ戻り防止性を付与できる。 According to the polyolefin synthetic fiber treating agent and the polyolefin synthetic fiber of the above embodiment, the following effects can be obtained.
(1) In the above-described embodiment, in the polyolefin-based synthetic fiber treatment agent, as 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. In addition, 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).
なお、上記実施形態は以下のように変更してもよい。
・上記実施形態の処理剤には、本発明の効果を阻害しない範囲内において、処理剤の品質保持のための安定化剤や制電剤として、つなぎ剤、酸化防止剤、紫外線吸収剤等の処理剤に通常用いられる成分をさらに配合してもよい。 In addition, you may change the said embodiment as follows.
In the treatment agent of the above embodiment, as long as the effect of the present invention is not hindered, as a stabilizer or antistatic agent for maintaining the quality of the treatment agent, a binder, an antioxidant, an ultraviolet absorber, etc. You may further mix | blend the component normally used for a processing agent.
・上記実施形態の処理剤には、本発明の効果を阻害しない範囲内において、処理剤の品質保持のための安定化剤や制電剤として、つなぎ剤、酸化防止剤、紫外線吸収剤等の処理剤に通常用いられる成分をさらに配合してもよい。 In addition, you may change the said embodiment as follows.
In the treatment agent of the above embodiment, as long as the effect of the present invention is not hindered, as a stabilizer or antistatic agent for maintaining the quality of the treatment agent, a binder, an antioxidant, an ultraviolet absorber, etc. You may further mix | blend the component normally used for a processing agent.
以下、本発明の構成及び効果をより具体的に説明するため、実施例等を挙げるが、本発明がこれらの実施例に限定されるというものではない。尚、以下の実施例及び比較例の説明において、部は質量部を、また％は質量％を意味する。
Hereinafter, examples and the like will be described in order to more specifically describe 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, “part” means “part by mass” and “%” means “% by mass”.
試験区分１（ポリオレフィン系合成繊維処理剤の調製）
・ポリオレフィン系合成繊維処理剤（実施例１）の調製
ポリオキシエチレン（１０モル）トリアコンチルエーテル（Ａ－１）の３５．０ｇ、炭素数３０のポリエチレン（Ｂ－１）５．０ｇ、及びオクチルリン酸エステルカリウム塩（Ｃ－１）１０．０ｇを混合し、９５０．０ｇの水を加え、撹拌して水性分散液とし、実施例１のポリオレフィン系合成繊維用処理剤の５．０％水性液を得た。 Test category 1 (Preparation of polyolefin synthetic fiber treatment agent)
Preparation of polyolefin-based synthetic fiber treating agent (Example 1) 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.
・ポリオレフィン系合成繊維処理剤（実施例１）の調製
ポリオキシエチレン（１０モル）トリアコンチルエーテル（Ａ－１）の３５．０ｇ、炭素数３０のポリエチレン（Ｂ－１）５．０ｇ、及びオクチルリン酸エステルカリウム塩（Ｃ－１）１０．０ｇを混合し、９５０．０ｇの水を加え、撹拌して水性分散液とし、実施例１のポリオレフィン系合成繊維用処理剤の５．０％水性液を得た。 Test category 1 (Preparation of polyolefin synthetic fiber treatment agent)
Preparation of polyolefin-based synthetic fiber treating agent (Example 1) 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.
・ポリオレフィン系合成繊維処理剤（実施例２～１４及び比較例１～１３）の調製
実施例１のポリオレフィン系合成繊維処理剤の調製と同様の手順で、ただし使用するポリオキシアルキレン誘導体、ポリエチレン、アニオン界面活性剤、及びその他成分の種類、並びに処理剤中における各成分の含有比率（％）を表２の“ポリオレフィン系合成繊維処理剤”欄に示されるように適宜に変更して、実施例２～１４及び比較例１～１３の処理剤を調製した。表１には、これらの処理剤の調製時に使用した各ポリオキシアルキレン誘導体の詳細、すなわち脂肪族アルコールの炭素数と、エチレンオキサイド（以下、ＥＯという）又はプロピレンオキサイド（以下、ＰＯという）の付加モル数とを示す。 Preparation of polyolefin-based synthetic fiber treating agent (Examples 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.
実施例１のポリオレフィン系合成繊維処理剤の調製と同様の手順で、ただし使用するポリオキシアルキレン誘導体、ポリエチレン、アニオン界面活性剤、及びその他成分の種類、並びに処理剤中における各成分の含有比率（％）を表２の“ポリオレフィン系合成繊維処理剤”欄に示されるように適宜に変更して、実施例２～１４及び比較例１～１３の処理剤を調製した。表１には、これらの処理剤の調製時に使用した各ポリオキシアルキレン誘導体の詳細、すなわち脂肪族アルコールの炭素数と、エチレンオキサイド（以下、ＥＯという）又はプロピレンオキサイド（以下、ＰＯという）の付加モル数とを示す。 Preparation of polyolefin-based synthetic fiber treating agent (Examples 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：ポリオキシエチレン（１０モル）トリアコンチルエーテル、
Ａ－２：ポリオキシエチレン（８０モル）トリアコンチルエーテル、
Ａ－３：ポリオキシエチレン（８０モル）ペンタコンチルエーテル、
Ａ－４：ポリオキシエチレン（４０モル）ポリオキシプロピレン（４０モル）ペンタコンチルエーテル、
Ａ－５：ポリオキシエチレン（４０モル）テトラコンチルエーテル、
ｒａ－１：ポリオキシエチレン（１０モル）ドコシルエーテル、
ｒａ－２：ポリオキシエチレン（１０モル）ペンタヘキサコンチルエーテル、
ｒａ－３：ポリオキシエチレン（３モル）トリアコンチルエーテル、
ｒａ－４：ポリオキシエチレン（１２０モル）トリアコンチルエーテル、
ｒａ－５：ポリオキシエチレン（６０モル）ポリオキシプロピレン（６０モル）トリアコンチルエーテル、
ｒａ－６：ポリオキシエチレン（１０モル）オクチルエーテル、
Ｂ－１：炭素数３０のポリエチレン、
Ｂ－２：炭素数５０のポリエチレン、
ｒｂ－１：炭素数６のポリエチレン、
ｒｂ－２：炭素数１５０のポリエチレン、
Ｃ－１：オクチルリン酸エステルカリウム塩、
Ｃ－２：ドデシルベンゼンスルホン酸ナトリウム塩、
Ｃ－３：ドデシル硫酸ナトリウム塩、
Ｃ－４：オクタン酸カリウム塩、
Ｄ－１：ポリオキシアルキレン変性シリコーン（ＰＯＥＯ含量５０％、ＰＯ／ＥＯ＝５０／５０、分子量５，０００）、
を示す。
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,
B-1: Polyethylene having 30 carbon atoms,
B-2: Polyethylene having 50 carbon atoms,
rb-1: polyethylene having 6 carbon atoms,
rb-2: polyethylene having 150 carbon atoms,
C-1: Octyl phosphate potassium salt,
C-2: sodium dodecylbenzenesulfonate
C-3: sodium dodecyl sulfate,
C-4: Octanoic acid potassium salt,
D-1: polyoxyalkylene-modified silicone (POEO content 50%, PO / EO = 50/50, molecular weight 5,000),
Indicates.
試験区分２（ポリオレフィン系合成繊維処理剤の付着と評価）
ポリオレフィン系合成繊維として、鞘部がポリエチレンであり、芯部がポリエステルであり、繊度２．２デシテックス、繊維長５１ｍｍのポリオレフィン系複合繊維を用意した。試験区分１で調製した各例のポリオレフィン系合成繊維用処理剤の水性液を、ポリオレフィン系複合繊維に、付着量（溶媒を除く）が０．３５質量％となるようスプレー給油法で付着させ、８０℃の熱風乾燥機で１時間乾燥して、処理済みポリオレフィン系合成繊維処理綿を得た。 Test category 2 (Adhesion and evaluation of polyolefin synthetic fiber treatment agent)
As the polyolefin synthetic fiber, 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.
ポリオレフィン系合成繊維として、鞘部がポリエチレンであり、芯部がポリエステルであり、繊度２．２デシテックス、繊維長５１ｍｍのポリオレフィン系複合繊維を用意した。試験区分１で調製した各例のポリオレフィン系合成繊維用処理剤の水性液を、ポリオレフィン系複合繊維に、付着量（溶媒を除く）が０．３５質量％となるようスプレー給油法で付着させ、８０℃の熱風乾燥機で１時間乾燥して、処理済みポリオレフィン系合成繊維処理綿を得た。 Test category 2 (Adhesion and evaluation of polyolefin synthetic fiber treatment agent)
As the polyolefin synthetic fiber, 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.
・原綿評価項目としてカード通過性の評価
前記の処理済みポリオレフィン系合成繊維処理綿２０ｇを、２０℃で６５％ＲＨの恒温室内で２４時間調湿した後、ローラーカード（カード機）に供した。投入量に対して排出された量の割合を算出し、下記の評価基準で評価した。結果を表２の“カード通過性”欄に示す。 -Card passability evaluation as raw cotton evaluation item 20 g of the above treated polyolefin synthetic fiber-treated cotton 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). The ratio of the amount discharged to the input amount was calculated and evaluated according to the following evaluation criteria. The results are shown in the “Card passability” column of Table 2.
前記の処理済みポリオレフィン系合成繊維処理綿２０ｇを、２０℃で６５％ＲＨの恒温室内で２４時間調湿した後、ローラーカード（カード機）に供した。投入量に対して排出された量の割合を算出し、下記の評価基準で評価した。結果を表２の“カード通過性”欄に示す。 -Card passability evaluation as raw cotton evaluation item 20 g of the above treated polyolefin synthetic fiber-treated cotton 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). The ratio of the amount discharged to the input amount was calculated and evaluated according to the following evaluation criteria. The results are shown in the “Card passability” column of Table 2.
・カード通過性の評価基準
◎（優）：排出量が８５％以上。
○（良）：排出量が６０％以上且つ８５％未満。
×（不可）：排出量が６０％未満。 -Evaluation criteria for card passability ◎ (excellent): Emission is 85% or more.
○ (Good): Emissions are 60% or more and less than 85%.
X (impossible): Emission is less than 60%
◎（優）：排出量が８５％以上。
○（良）：排出量が６０％以上且つ８５％未満。
×（不可）：排出量が６０％未満。 -Evaluation criteria for card passability ◎ (excellent): Emission is 85% or more.
○ (Good): Emissions are 60% or more and less than 85%.
X (impossible): Emission is less than 60%
試験区分３（ポリオレフィン系合成繊維不織布の作成と評価）
・耐久親水性の評価
試験区分２で得た処理済みポリオレフィン系合成繊維処理綿１００ｇを、２０℃で６５％ＲＨの恒温室内にて２４時間調湿した後、ローラーカード（カード機）に供して、目付け２０ｇ／ｍ２のカードウェブを作製した。得られたカードウェブを１４０℃で１０秒の熱風処理を行い、耐久親水性評価の試料とした。この試料を１０ｃｍ×１０ｃｍの小片に裁断し、２０℃で６０％ＲＨの恒温室内にて２４時間調湿した。重ねた５枚の濾紙の上に調湿された不織布を置き、さらにその上の中央に両端が開放された内径１ｃｍの円筒を垂直に立て、この円筒に０．９％生理食塩水１０ｍｌを注入し、不織布に食塩水が完全に吸収されるまでの時間を測定した。その後、不織布を取り出し、４０℃で９０分間送風乾燥した。同様の操作を合計３回繰り返し、３回目の時間から下記の評価基準で評価した。結果を表２の“耐久親水性”欄に示す。 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. Place a non-woven fabric that has been conditioned on five stacked filter papers, and then vertically place a cylinder with an inner diameter of 1 cm with both ends open at the center, and inject 10 ml of 0.9% physiological saline into this cylinder. The time until the saline solution was completely absorbed by the nonwoven fabric was measured. Thereafter, the nonwoven fabric was taken out and dried by blowing at 40 ° C. for 90 minutes. The same operation was repeated a total of 3 times, and the following evaluation criteria were evaluated from the third time. The results are shown in the “Durable hydrophilicity” column of Table 2.
・耐久親水性の評価
試験区分２で得た処理済みポリオレフィン系合成繊維処理綿１００ｇを、２０℃で６５％ＲＨの恒温室内にて２４時間調湿した後、ローラーカード（カード機）に供して、目付け２０ｇ／ｍ２のカードウェブを作製した。得られたカードウェブを１４０℃で１０秒の熱風処理を行い、耐久親水性評価の試料とした。この試料を１０ｃｍ×１０ｃｍの小片に裁断し、２０℃で６０％ＲＨの恒温室内にて２４時間調湿した。重ねた５枚の濾紙の上に調湿された不織布を置き、さらにその上の中央に両端が開放された内径１ｃｍの円筒を垂直に立て、この円筒に０．９％生理食塩水１０ｍｌを注入し、不織布に食塩水が完全に吸収されるまでの時間を測定した。その後、不織布を取り出し、４０℃で９０分間送風乾燥した。同様の操作を合計３回繰り返し、３回目の時間から下記の評価基準で評価した。結果を表２の“耐久親水性”欄に示す。 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. Place a non-woven fabric that has been conditioned on five stacked filter papers, and then vertically place a cylinder with an inner diameter of 1 cm with both ends open at the center, and inject 10 ml of 0.9% physiological saline into this cylinder. The time until the saline solution was completely absorbed by the nonwoven fabric was measured. Thereafter, the nonwoven fabric was taken out and dried by blowing at 40 ° C. for 90 minutes. The same operation was repeated a total of 3 times, and the following evaluation criteria were evaluated from the third time. The results are shown in the “Durable hydrophilicity” column of Table 2.
・耐久親水性の評価基準
◎（優）：生理食塩水が完全に吸収されるまでに要する時間が５秒未満。
○（良）：生理食塩水が完全に吸収されるまでに要する時間が５秒以上且つ８秒未満。
×（不可）：生理食塩水が完全に吸収されるまでに要する時間が８秒以上。 -Evaluation criteria for durable hydrophilicity ◎ (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.
◎（優）：生理食塩水が完全に吸収されるまでに要する時間が５秒未満。
○（良）：生理食塩水が完全に吸収されるまでに要する時間が５秒以上且つ８秒未満。
×（不可）：生理食塩水が完全に吸収されるまでに要する時間が８秒以上。 -Evaluation criteria for durable hydrophilicity ◎ (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.
・濡れ戻り防止性の評価
前記の耐久親水性評価の試料を１０ｃｍ×１０ｃｍの小片に裁断し、２０℃で６５％ＲＨの恒温室内にて２４時間調湿した。市販されている紙おむつの最外部の不織布素材から１０ｃｍ×１０ｃｍの不織布片を切除し、その切除部に前記の調湿された１０ｃｍ×１０ｃｍの小片を取り付けて、濡れ戻り防止性評価試料とした。取り付けた小片が上向きになるように濡れ戻り防止性評価試料を水平に置き、該小片の中央に両端が開放された内径６ｃｍの円筒を垂直に立て、この円筒に水８０ｍｌを注入し、５分間静置して、紙おむつ内部に水を吸収させた。次に取り付けた小片上に１０ｃｍ×１０ｃｍの濾紙を１５枚重ねて載せ、更にその上に１０ｃｍ×１０ｃｍで５．０ｋｇの錘板を載せて、２分間荷重した後、１５枚重ねた濾紙の総質量を測量し、その質量の増加率を算出して、下記の評価基準で評価した。結果を表２の“濡れ戻り防止性”欄に示す。 -Evaluation of anti-wetting property 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. Place the test sample to prevent wetting and reversal so that the attached piece is facing upward, and stand a 6 cm inner diameter cylinder open at both ends at the center of the piece, and inject 80 ml of water into this cylinder for 5 minutes. The water was absorbed inside the disposable diaper. Next, 15 sheets of 10 cm × 10 cm filter paper are stacked on the attached small piece, and a 5.0 kg weight plate of 10 cm × 10 cm is further mounted thereon, loaded for 2 minutes, and the total of the 15 sheets of filter paper stacked. The mass was measured, the rate of increase in the mass was calculated, and evaluated according to the following evaluation criteria. The results are shown in the “Prevention of Wetting Back” column of Table 2.
前記の耐久親水性評価の試料を１０ｃｍ×１０ｃｍの小片に裁断し、２０℃で６５％ＲＨの恒温室内にて２４時間調湿した。市販されている紙おむつの最外部の不織布素材から１０ｃｍ×１０ｃｍの不織布片を切除し、その切除部に前記の調湿された１０ｃｍ×１０ｃｍの小片を取り付けて、濡れ戻り防止性評価試料とした。取り付けた小片が上向きになるように濡れ戻り防止性評価試料を水平に置き、該小片の中央に両端が開放された内径６ｃｍの円筒を垂直に立て、この円筒に水８０ｍｌを注入し、５分間静置して、紙おむつ内部に水を吸収させた。次に取り付けた小片上に１０ｃｍ×１０ｃｍの濾紙を１５枚重ねて載せ、更にその上に１０ｃｍ×１０ｃｍで５．０ｋｇの錘板を載せて、２分間荷重した後、１５枚重ねた濾紙の総質量を測量し、その質量の増加率を算出して、下記の評価基準で評価した。結果を表２の“濡れ戻り防止性”欄に示す。 -Evaluation of anti-wetting property 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. Place the test sample to prevent wetting and reversal so that the attached piece is facing upward, and stand a 6 cm inner diameter cylinder open at both ends at the center of the piece, and inject 80 ml of water into this cylinder for 5 minutes. The water was absorbed inside the disposable diaper. Next, 15 sheets of 10 cm × 10 cm filter paper are stacked on the attached small piece, and a 5.0 kg weight plate of 10 cm × 10 cm is further mounted thereon, loaded for 2 minutes, and the total of the 15 sheets of filter paper stacked. The mass was measured, the rate of increase in the mass was calculated, and evaluated according to the following evaluation criteria. The results are shown in the “Prevention of Wetting Back” column of Table 2.
・濡れ戻り防止性の評価基準
◎（優）：質量増加率が１％未満。
○（良）：質量増加率が１％以上且つ２％未満。
×（不可）：質量増加率が２％以上。 ・ Evaluation criteria of anti-wetting property ◎ (excellent): Mass increase rate is less than 1%.
○ (Good): Mass increase rate is 1% or more and less than 2%.
X (impossible): Mass increase rate is 2% or more.
◎（優）：質量増加率が１％未満。
○（良）：質量増加率が１％以上且つ２％未満。
×（不可）：質量増加率が２％以上。 ・ Evaluation criteria of anti-wetting property ◎ (excellent): Mass increase rate is less than 1%.
○ (Good): Mass increase rate is 1% or more and less than 2%.
X (impossible): Mass increase rate is 2% or more.
・初期親水性の評価
前記の耐久親水性評価の試料を、２０℃で６５％ＲＨの恒温室内にて２４時間調湿した後、水平板上に置き、ビューレットを用いて１０ｍｍの高さから０．５ｍｌの水滴を滴下させ、その水滴が完全に試料中に吸収されてしまうまでに要する時間（透水までに要する時間）を測定し、下記の評価基準で評価した。結果を表２の“初期親水性”欄に示す。 ・ Evaluation of initial hydrophilicity The above-mentioned durable hydrophilicity evaluation sample was conditioned at 20 ° C. in a constant temperature room of 65% RH for 24 hours, placed on a horizontal plate, and from a height of 10 mm using a burette. 0.5 ml of water droplets were dropped, and the time required for the water droplets to be completely absorbed in the sample (time required for water permeation) was measured and evaluated according to the following evaluation criteria. The results are shown in the “Initial hydrophilicity” column of Table 2.
前記の耐久親水性評価の試料を、２０℃で６５％ＲＨの恒温室内にて２４時間調湿した後、水平板上に置き、ビューレットを用いて１０ｍｍの高さから０．５ｍｌの水滴を滴下させ、その水滴が完全に試料中に吸収されてしまうまでに要する時間（透水までに要する時間）を測定し、下記の評価基準で評価した。結果を表２の“初期親水性”欄に示す。 ・ Evaluation of initial hydrophilicity The above-mentioned durable hydrophilicity evaluation sample was conditioned at 20 ° C. in a constant temperature room of 65% RH for 24 hours, placed on a horizontal plate, and from a height of 10 mm using a burette. 0.5 ml of water droplets were dropped, and the time required for the water droplets to be completely absorbed in the sample (time required for water permeation) was measured and evaluated according to the following evaluation criteria. The results are shown in the “Initial hydrophilicity” column of Table 2.
・初期親水性の評価基準
◎（優）：透水までに要する時間が０．５秒未満。
○（良）：透水までに要する時間が０．５秒以上且つ２．０秒未満。
×（不可）：透水までに要する時間が２．０秒以上。 Evaluation criteria for initial hydrophilicity ◎ (excellent): Time required for water permeation is less than 0.5 seconds.
○ (Good): Time required for water permeation is 0.5 seconds or more and less than 2.0 seconds.
X (impossible): Time required for water permeation is 2.0 seconds or more.
◎（優）：透水までに要する時間が０．５秒未満。
○（良）：透水までに要する時間が０．５秒以上且つ２．０秒未満。
×（不可）：透水までに要する時間が２．０秒以上。 Evaluation criteria for initial hydrophilicity ◎ (excellent): Time required for water permeation is less than 0.5 seconds.
○ (Good): Time required for water permeation is 0.5 seconds or more and less than 2.0 seconds.
X (impossible): Time required for water permeation is 2.0 seconds or more.
表２に示されるように、直鎖状炭化水素化合物を含有しない比較例１，２，１２，１３は、各実施例に対して、特に濡れ戻り防止性の評価が劣ることが確認される。また、ポリオキシアルキレン誘導体を含有しない比較例３は、各実施例に対して、特に、カード通過性、耐久親水性、及び濡れ戻り防止性の評価が劣ることが確認される。また、ポリオキシアルキレン誘導体を構成する脂肪族アルコールの炭素数が２４未満である比較例４，９は、各実施例に対して、特にカード通過性及び耐久親水性の評価が劣ることが確認される。また、ポリオキシアルキレン誘導体を構成する脂肪族アルコールの炭素数が６５である比較例５は、各実施例に対して、特に耐久親水性、濡れ戻り防止性、及び初期親水性の評価が劣ることが確認される。また、ポリオキシアルキレン誘導体を構成するアルキレンオキサイドの付加モル数が３である比較例６は、各実施例に対して、特に耐久親水性、濡れ戻り防止性、及び初期親水性の評価が劣ることが確認される。また、ポリオキシアルキレン誘導体を構成するアルキレンオキサイドの付加モル数の合計が１２０である比較例７，８は、各実施例に対して、特に耐久親水性の評価が劣ることが確認される。ポリエチレンの炭素数が６である比較例１０は、各実施例に対して、特にカード通過性の評価が劣ることが確認される。ポリエチレンの炭素数が１５０である比較例１１は、各実施例に対して、特に耐久親水性、濡れ戻り防止性、及び初期親水性の評価が劣ることが確認される。
As shown in Table 2, it is confirmed that 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. Moreover, it is confirmed that the comparative example 3 which does not contain a polyoxyalkylene derivative is inferior in evaluation of card | curd passage property, durable hydrophilic property, and a wetting-back prevention property with respect to each Example. In addition, it was confirmed that 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 Moreover, 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. It is confirmed that 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.
以上の表２の結果からも明らかなように、本発明によれば、優れたカード通過性をポリオレフィン系合成繊維に付与し、同時にポリオレフィン系合成繊維からなるカードウェブに優れた初期親水性、耐久親水性、及び濡れ戻り防止性を付与することができるという効果がある。
As is clear from the results in Table 2 above, according to the present invention, excellent card passage properties are imparted to polyolefin synthetic fibers, and at the same time excellent initial hydrophilicity and durability for card webs made of polyolefin synthetic fibers. There is an effect that hydrophilicity and anti-wetting property can be imparted.
Claims (9)
- 下記のポリオキシアルキレン誘導体及び下記の直鎖状炭化水素化合物を含有して成ることを特徴とするポリオレフィン系合成繊維処理剤。
ポリオキシアルキレン誘導体：炭素数２４～６０の１価脂肪族アルコール１モルに対し、エチレンオキサイド及びプロピレンオキサイドから選ばれる少なくとも一種を５～１００モルの割合で付加させた化合物。
直鎖状炭化水素化合物：炭素数１０～１００の直鎖状炭化水素化合物。 A polyolefin-based synthetic fiber treating agent comprising the following polyoxyalkylene derivative and the following linear hydrocarbon compound.
Polyoxyalkylene derivative: A compound in which at least one selected from ethylene oxide and propylene oxide is added in a proportion of 5 to 100 moles with respect to 1 mole of a monovalent aliphatic alcohol having 24 to 60 carbon atoms.
Linear hydrocarbon compound: A linear hydrocarbon compound having 10 to 100 carbon atoms. - 前記直鎖状炭化水素化合物が、ポリエチレンである請求項１に記載のポリオレフィン系合成繊維処理剤。 The polyolefin-based synthetic fiber treatment agent according to claim 1, wherein the linear hydrocarbon compound is polyethylene.
- 前記直鎖状炭化水素化合物が、炭素数２０～６０のものである請求項１又は２に記載のポリオレフィン系合成繊維処理剤。 The polyolefin synthetic fiber treating agent according to claim 1 or 2, wherein the linear hydrocarbon compound has 20 to 60 carbon atoms.
- 前記ポリオキシアルキレン誘導体及び前記直鎖状炭化水素化合物の含有割合の合計を１００質量％とすると、前記ポリオキシアルキレン誘導体を５０～９９質量％及び前記直鎖状炭化水素化合物を１～５０質量％の割合で含有して成る請求項１～３のいずれか一項に記載のポリオレフィン系合成繊維処理剤。 When the total content of the polyoxyalkylene derivative and the linear hydrocarbon compound is 100% by mass, the polyoxyalkylene derivative is 50 to 99% by mass and the linear hydrocarbon compound is 1 to 50% by mass. The polyolefin-based synthetic fiber treatment agent according to any one of claims 1 to 3, which is contained in a proportion of
- 更にアニオン界面活性剤を含有して成る請求項１～４のいずれか一項に記載のポリオレフィン系合成繊維処理剤。 The polyolefin synthetic fiber treating agent according to any one of claims 1 to 4, further comprising an anionic surfactant.
- 前記アニオン界面活性剤が、リン酸エステル塩型アニオン界面活性剤、スルホン酸塩型アニオン界面活性剤、硫酸エステル塩型アニオン界面活性剤、及び脂肪酸塩型アニオン界面活性剤から選ばれる少なくとも一種である請求項５に記載のポリオレフィン系合成繊維処理剤。 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. The polyolefin synthetic fiber treatment agent according to claim 5.
- 前記ポリオキシアルキレン誘導体、前記直鎖状炭化水素化合物、及び前記アニオン界面活性剤の含有割合の合計を１００質量％とすると、前記ポリオキシアルキレン誘導体を２０．０～８０．０質量％、前記直鎖状炭化水素化合物を０．１～２０．０質量％、及び前記アニオン界面活性剤を５．０～５０．０質量％の割合で含有して成る請求項５又は６に記載のポリオレフィン系合成繊維処理剤。 When the total content of the polyoxyalkylene derivative, the linear hydrocarbon compound, and the anionic surfactant is 100% by mass, the polyoxyalkylene derivative is 20.0-80.0% by mass, The polyolefin-based synthesis according to claim 5 or 6, comprising 0.1 to 20.0 mass% of a chain hydrocarbon compound and 5.0 to 50.0 mass% of the anionic surfactant. Fiber treatment agent.
- 前記ポリオレフィン系合成繊維処理剤が、不織布用のポリオレフィン系合成繊維に付与するものである請求項１～７のいずれか一項に記載のポリオレフィン系合成繊維処理剤。 The polyolefin synthetic fiber treatment agent according to any one of claims 1 to 7, wherein the polyolefin synthetic fiber treatment agent is imparted to polyolefin synthetic fibers for nonwoven fabrics.
- 請求項１～８のいずれか一項に記載のポリオレフィン系合成繊維処理剤が付着していることを特徴とするポリオレフィン系合成繊維。 A polyolefin-based synthetic fiber, to which the polyolefin-based synthetic fiber treating agent according to any one of claims 1 to 8 is attached.
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|---|---|---|---|
| KR1020207011859A KR102202559B1 (en) | 2018-04-27 | 2019-04-18 | Polyolefin synthetic fiber treatment agent and polyolefin synthetic fiber |
| CN201980005212.XA CN111247289B (en) | 2018-04-27 | 2019-04-18 | Polyolefin synthetic fiber treating agent and polyolefin synthetic fiber |
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| JP2018087606A JP6408186B1 (en) | 2018-04-27 | 2018-04-27 | Polyolefin synthetic fiber treatment agent and polyolefin synthetic fiber |
| JP2018-087606 | 2018-04-27 |
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| JP (1) | JP6408186B1 (en) |
| KR (1) | KR102202559B1 (en) |
| CN (1) | CN111247289B (en) |
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| JP7371316B2 (en) | 2020-03-31 | 2023-10-31 | 大和紡績株式会社 | Nonwoven fabric for absorbent articles and absorbent articles containing the same |
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| JP6830710B1 (en) * | 2020-09-09 | 2021-02-17 | 竹本油脂株式会社 | Polyolefin-based synthetic fiber treatment agent, polyolefin-based synthetic fiber, and thermal bond non-woven fabric |
| JP6841464B1 (en) * | 2020-09-28 | 2021-03-10 | 竹本油脂株式会社 | Polyolefin-based synthetic fiber non-woven fabric treatment agent, polyolefin-based synthetic fiber, and polyolefin-based synthetic fiber spunbonded non-woven fabric |
| 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 |
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| JPS59199871A (en) * | 1983-04-19 | 1984-11-13 | ユシロ化学工業株式会社 | Fiber treating agent |
| JP2001003271A (en) * | 1999-06-22 | 2001-01-09 | Takemoto Oil & Fat Co Ltd | Polyolefin fiber treatment agent for producing nonwoven fabric through the dry process and treatment process |
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| JP7371316B2 (en) | 2020-03-31 | 2023-10-31 | 大和紡績株式会社 | Nonwoven fabric for absorbent articles and absorbent articles containing the same |
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| TW201945618A (en) | 2019-12-01 |
| KR20200047742A (en) | 2020-05-07 |
| TWI689647B (en) | 2020-04-01 |
| KR102202559B1 (en) | 2021-01-13 |
| JP2019189990A (en) | 2019-10-31 |
| JP6408186B1 (en) | 2018-10-17 |
| CN111247289B (en) | 2021-02-19 |
| CN111247289A (en) | 2020-06-05 |
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