JP6291617B1 - Non-woven fabric fiber treatment agent and non-woven fabric using the same - Google Patents
Non-woven fabric fiber treatment agent and non-woven fabric using the same Download PDFInfo
- Publication number
- JP6291617B1 JP6291617B1 JP2017136374A JP2017136374A JP6291617B1 JP 6291617 B1 JP6291617 B1 JP 6291617B1 JP 2017136374 A JP2017136374 A JP 2017136374A JP 2017136374 A JP2017136374 A JP 2017136374A JP 6291617 B1 JP6291617 B1 JP 6291617B1
- Authority
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- Japan
- Prior art keywords
- component
- phosphate ester
- fiber
- treatment agent
- ester salt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 92
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 60
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- 238000000034 method Methods 0.000 claims description 56
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Classifications
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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
- D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
- D06M13/282—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing phosphorus
- D06M13/292—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof
- D06M13/295—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof containing polyglycol moieties; containing neopentyl moieties
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/02—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- 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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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
【課題】親水性と繰り返し透水性を不織布に付与することができ、かつ不織布を用いた物品における他の部位への転写を抑制できる不織布用繊維処理剤を提供する。【解決手段】本発明の不織布用繊維処理剤は、次の成分（Ａ）および（Ｂ）を含有する。（Ａ）アルキルリン酸エステル塩およびポリオキシアルキレンアルキルエーテルリン酸エステル塩から選ばれる少なくとも１種（Ｂ）融点が１５℃以上である、多価アルコール脂肪酸エステル、ポリオキシアルキレン多価アルコール脂肪酸エステルおよび天然由来ワックスから選ばれる少なくとも１種【選択図】なしDisclosed is a non-woven fabric fiber treatment agent that can impart hydrophilicity and repeated water permeability to a non-woven fabric and can suppress transfer to other sites in an article using the non-woven fabric. The fiber treatment agent for nonwoven fabric of the present invention contains the following components (A) and (B). (A) Polyhydric alcohol fatty acid ester, polyoxyalkylene polyhydric alcohol fatty acid ester, and at least one selected from alkyl phosphoric acid ester salts and polyoxyalkylene alkyl ether phosphoric acid ester salts (B) At least one selected from natural waxes [Selection] None
Description
本発明は、不織布用繊維処理剤とそれを用いた不織布に関する。 The present invention relates to a fiber treatment agent for nonwoven fabric and a nonwoven fabric using the same.
不織布用繊維処理剤は、以前より様々な基剤が検討されているが、中でもアルキルリン酸エステル塩やその誘導体は安全性の高さや性能面、工程油剤としての適性等から親水性付与薬剤に多用されている（特許文献１〜８）。 Various bases have been studied for fiber treatment agents for nonwoven fabrics. Alkyl phosphate ester salts and their derivatives are especially suitable as hydrophilicity-imparting agents because of their high safety, performance and suitability as process oils. Widely used (Patent Documents 1 to 8).
アルキルリン酸エステル塩やその誘導体を用いる薬剤の配合設計では、親水性能を配合基剤中のアルキル鎖長の割合でコントロールする場合が多く、親水性能や加工適性を向上させるためには、アルキル鎖長の短いリン酸エステル塩等を多く配合する必要がある。 In the formulation design of drugs using alkyl phosphate ester salts and their derivatives, the hydrophilic performance is often controlled by the ratio of the alkyl chain length in the formulation base. In order to improve the hydrophilic performance and processability, the alkyl chain It is necessary to add a lot of short phosphoric acid ester salts and the like.
しかしながら、アルキル鎖長が短いリン酸エステル塩を多用すると、不織布に塗布した薬剤が意図せぬ部位を汚染（転写）することが多くなり、例えばオムツのギャザー部の防水性を著しく損なうなど、最終製品としての物品の性能、品質を損なう問題があった。 However, if a phosphate ester salt with a short alkyl chain length is used frequently, the drug applied to the non-woven fabric often contaminates (transfers) unintended sites. For example, the waterproofness of the gathered part of the diaper is significantly impaired. There was a problem of impairing the performance and quality of the product as a product.
すなわち、アルキル鎖長が短いリン酸エステル塩は強親水化基剤であり、その疎水性繊維への保持作用は一時性であるため、親水化剤は水分を付与すると大部分が洗い流されるのが典型的である。このように疎水性繊維への保持力が弱いため、薬剤を付着処理した不織布を用いて目的とする用途の物品に加工する際、例えば、不織布を重ねたり折り曲げたり、他の材料・部材や加工機械と接触させたり、ホットメルト接着や熱接着等の方法により相互に接着、固定したり、パッケージングしたりすることで物品を製造する際等に、繊維に付着処理した薬剤が意図せぬ部位に転写してしまい、物品の性能、品質を損なう問題があった。 That is, phosphate ester salts with a short alkyl chain length are strongly hydrophilizing bases, and their retention action on hydrophobic fibers is temporary, so that most of the hydrophilizing agent is washed away when moisture is applied. Typical. In this way, since the holding power to hydrophobic fibers is weak, when processing into articles for the intended use using non-woven fabric to which chemicals are attached, for example, the non-woven fabric is stacked or folded, other materials / members and processing Unintentional sites where the chemicals attached to the fibers are unintended when making articles by bringing them into contact with machines, bonding, fixing, or packaging each other by methods such as hot melt bonding or thermal bonding There is a problem in that the performance and quality of the article are impaired.
特許文献１〜８のような従来技術では、薬剤の転写を抑制する課題には着目されておらず、従来要求されている親水性や繰り返し透水性を満足し、かつ繊維に付着処理した薬剤の意図せぬ部位への転写を抑制する技術、特に、強親水化基剤を使用しても物品における他の場所を汚染しない技術が望まれていた。 In the prior arts such as Patent Documents 1 to 8, attention is not paid to the problem of suppressing the transfer of the drug, the conventionally required hydrophilicity and repeated water permeability are satisfied, and the drug adhered to the fiber is treated. There has been a demand for a technique for suppressing transfer to an unintended site, in particular, a technique that does not contaminate other parts of an article even when a strongly hydrophilic base is used.
本発明は、以上の通りの事情に鑑みてなされたものであり、親水性と繰り返し透水性を不織布に付与することができ、かつ不織布を用いた物品における他の部位への転写を抑制できる不織布用繊維処理剤を提供することを課題としている。 The present invention has been made in view of the circumstances as described above, and can impart hydrophilicity and repetitive water permeability to a nonwoven fabric, and can suppress transfer to other parts in an article using the nonwoven fabric. An object of the present invention is to provide a textile treatment agent.
本発明者は上記課題を解決するために鋭意検討した結果、融点が１５℃以上の多価アルコール脂肪酸エステル等を用いることで、親水性を付与するアルキルリン酸エステル塩等、特にアルキル鎖長が短いリン酸エステル塩を用いても、不織布から他の部位への転写が起こりにくくなり、親水性と転写抑制に優れた不織布用繊維処理剤が得られることを見出し、本発明を完成するに至った。 As a result of intensive studies to solve the above-mentioned problems, the present inventor has used a polyhydric alcohol fatty acid ester having a melting point of 15 ° C. or higher and the like to provide hydrophilicity, such as an alkyl phosphate ester salt, particularly an alkyl chain length. Even when a short phosphate ester salt is used, it has been found that transfer from the nonwoven fabric to other parts hardly occurs, and a fiber treatment agent for nonwoven fabric excellent in hydrophilicity and transfer suppression can be obtained, and the present invention has been completed. It was.
すなわち本発明の不織布用繊維処理剤は、次の成分（Ａ）および（Ｂ）を含有する。
（Ａ）アルキルリン酸エステル塩およびポリオキシアルキレンアルキルエーテルリン酸エステル塩から選ばれる少なくとも１種
（Ｂ）融点が１５℃以上である、多価アルコール脂肪酸エステル、ポリオキシアルキレン多価アルコール脂肪酸エステルおよび天然由来ワックスから選ばれる少なくとも１種
本発明の不織布は、前記不織布用繊維処理剤で繊維が付着処理されたものである。
That is, the fiber treatment agent for nonwoven fabrics of the present invention contains the following components (A) and (B).
(A) Polyhydric alcohol fatty acid ester, polyoxyalkylene polyhydric alcohol fatty acid ester, and at least one selected from alkyl phosphoric acid ester salts and polyoxyalkylene alkyl ether phosphoric acid ester salts (B) At least one selected from naturally derived waxes The nonwoven fabric of the present invention is one in which fibers are attached and treated with the above-mentioned fiber treatment agent for nonwoven fabrics.
本発明によれば、親水性と繰り返し透水性を不織布に付与することができ、繊維への浸透性を有し、不織布を用いた物品における他の部位への転写を抑制できる。 According to the present invention, hydrophilicity and repetitive water permeability can be imparted to a nonwoven fabric, it has fiber permeability, and transfer to other parts in an article using the nonwoven fabric can be suppressed.
以下に、本発明を詳細に説明する。 The present invention is described in detail below.
衛生材料用途等に使用される親水化剤としての不織布用繊維処理剤は、表面吸収を速め、高吸収性樹脂等に到達させるなど、吸水速度のコントロールが必須であり、繰り返し透水性（耐久性）も重要視されるため、必然的に親水性の強い親水化基剤の配合が必須となるが、このような基剤を使用しても他の場所を汚染しない仕組みが必要である。そこで本発明では、成分（Ｂ）として融点が１５℃以上の多価アルコール脂肪酸エステル等を用いることで、単独で用いた場合には水分を付与すると大部分が洗い流される一時性親水化剤である成分（Ａ）のアルキルリン酸エステル塩等が、徐放されるようにしている。成分（Ａ）は、不織布用繊維処理剤を繊維に付着処理すると、その分子構造のうち親水性部分が表面、疎水性部分が裏面となるように繊維表面に配向するが、ある程度の温度以上の融点を持つ疎水性ワックスとしての成分（Ｂ）は、疎水性の繊維表面で成分（Ａ）の疎水部分を保持すると考えられる。そのため、水分を付与した際には、成分（Ａ）を成分（Ｂ）が保持する作用によって、徐々に局所的に洗い流されるため、軽耐久性を持つ親水化剤として作用し、それにより不織布を用いた物品における他の部位への転写を抑制できると考えられる。 Fiber treatment agents for non-woven fabrics as hydrophilizing agents used for hygiene materials, etc. must have a controlled water absorption rate, such as accelerating surface absorption and reaching highly absorbent resins, etc. ) Is also regarded as important, and it is inevitably necessary to add a hydrophilic base having strong hydrophilicity. However, even if such a base is used, a mechanism that does not contaminate other places is necessary. Therefore, in the present invention, a polyhydric alcohol fatty acid ester having a melting point of 15 ° C. or higher is used as the component (B), and when used alone, it is a temporary hydrophilizing agent that is largely washed away when moisture is applied. The alkyl phosphate ester salt of the component (A) is controlled to be released slowly. When the fiber treatment agent for nonwoven fabric is attached to the fiber, the component (A) is oriented on the fiber surface such that the hydrophilic part of the molecular structure is the front surface and the hydrophobic part is the back surface. The component (B) as a hydrophobic wax having a melting point is considered to hold the hydrophobic portion of the component (A) on the surface of the hydrophobic fiber. Therefore, when moisture is applied, the component (A) is gradually washed away locally by the action of the component (B), so that it acts as a light durability hydrophilizing agent. It is considered that transfer to other parts in the used article can be suppressed.
本発明において、転写の抑制とは、例えば実施例に記載の測定方法：耐水度試験（静水圧法）のＡ法（低水圧法）に準拠した測定装置を用いた耐水圧測定において、ブランク値を基準とする耐水圧低下率が３０％以内、特に２０％以内、最も好ましくは１０％であることを主な基準としている。この範囲内であれば、不織布を重ねたり折り曲げたり、他の材料・部材や加工機械と接触させたり、ホットメルト接着や熱接着等の方法により相互に接着、固定したり、パッケージングしたりすることで物品を製造する際等に、繊維に付着処理した薬剤が意図せぬ部位に転写してしまい、物品の性能、品質を損なうことへの抑制効果の発現に適している。 In the present invention, the suppression of transfer is, for example, a blank value in a water pressure measurement using a measuring device based on the measurement method described in the Examples: Method A (low water pressure method) of the water resistance test (hydrostatic pressure method). The main criterion is that the rate of decrease in the water pressure resistance with respect to is within 30%, particularly within 20%, most preferably within 10%. Within this range, non-woven fabrics can be stacked or folded, brought into contact with other materials / members or processing machines, or bonded, fixed, or packaged together by methods such as hot melt bonding or thermal bonding. Thus, when the article is manufactured, the agent adhered to the fiber is transferred to an unintended site, and is suitable for the expression of the suppression effect to impair the performance and quality of the article.
本発明の不織布用繊維処理剤に使用される成分（Ａ）は、アルキルリン酸エステル塩およびポリオキシアルキレンアルキルエーテルリン酸エステル塩から選ばれる少なくとも１種である。成分（Ａ）は、次式（Ｉ）で表されるリン酸モノエステル塩および／またはリン酸ジエステル塩を主成分とし、リン酸モノエステル塩を最も多く含むものが好ましい。成分（Ａ）は、これらの他、ポリリン酸塩等を含んでもよい。成分（Ａ）は、典型的にはこれらの混合物である。 The component (A) used in the fiber treatment agent for nonwoven fabrics of the present invention is at least one selected from alkyl phosphate ester salts and polyoxyalkylene alkyl ether phosphate ester salts. Component (A) is preferably composed mainly of a phosphoric acid monoester salt and / or a phosphoric acid diester salt represented by the following formula (I) and containing the largest amount of phosphoric acid monoester salt. In addition to these, the component (A) may contain polyphosphate and the like. Component (A) is typically a mixture of these.
（上記式中、Ｒはアルキル基、ＡＯはオキシアルキレン基（Ａはアルキレン部位）を示し、Ｍはカチオンを示し、ｍはポリオキシアルキレンの平均付加モル数、ｎは１または２の整数を示す。各式中におけるＲおよびＭが複数の場合、その各々は同一でも互いに異なっていてもよい。ＡＯは、各々が同一であっても互いに異なっていてもよい。） (In the above formula, R represents an alkyl group, AO represents an oxyalkylene group (A is an alkylene moiety), M represents a cation, m represents the average number of added moles of polyoxyalkylene, and n represents an integer of 1 or 2. In the case where there are a plurality of R and M in each formula, each of them may be the same or different from each other, and AO may be the same or different from each other.)
リン酸モノエステル塩、リン酸ジエステル塩等の混合物である成分（Ａ）は、例えば、対応するアルキル基を有するアルキルアルコールやポリオキシアルキレンアルキルエーテルと無水リン酸を反応させることにより得られるアルキルリン酸エステルやポリオキシアルキレンアルキルエーテルリン酸を、水酸化カリウム等のアルカリで中和することにより得ることができる。 Component (A) which is a mixture of phosphoric acid monoester salt, phosphoric acid diester salt, etc. is, for example, alkyl phosphorus obtained by reacting alkyl alcohol or polyoxyalkylene alkyl ether having a corresponding alkyl group with phosphoric anhydride. It can be obtained by neutralizing an acid ester or polyoxyalkylene alkyl ether phosphoric acid with an alkali such as potassium hydroxide.
成分（Ａ）におけるアルキル基の炭素数は、特に限定されるものではないが、４〜２２が好ましく、６〜１８がより好ましい。 Although carbon number of the alkyl group in a component (A) is not specifically limited, 4-22 are preferable and 6-18 are more preferable.
アルキル基としては、例えば、ブチル基、ヘキシル基、オクチル基、２−エチルヘキシル基（イソオクチル基）、ノニル基、デシル基、ウンデシル基、ドデシル基（ラウリル基）、トリデシル基、テトラデシル基、ペンタデシル基、ヘキサデシル基、ヘプタデシル基、オクタデシル基（ステアリル基）、ノナデシル基、イコシル基、へンイコシル基、ドコシル基等が挙げられる。成分（Ａ）は、互いに異なるアルキル基を有する化合物の混合物であってもよく、この場合、上記アルキル基の炭素数は、平均炭素数である。なお、上記ブチル基からドコシル基までの各々は、ｎ−、ｓｅｃ−、ｔｅｒｔ−、多分岐型（ｉｓｏ−）等の各種異性体を含む。 Examples of the alkyl group include a butyl group, a hexyl group, an octyl group, a 2-ethylhexyl group (isooctyl group), a nonyl group, a decyl group, an undecyl group, a dodecyl group (lauryl group), a tridecyl group, a tetradecyl group, a pentadecyl group, Examples include a hexadecyl group, a heptadecyl group, an octadecyl group (stearyl group), a nonadecyl group, an icosyl group, a henicosyl group, and a docosyl group. The component (A) may be a mixture of compounds having different alkyl groups. In this case, the carbon number of the alkyl group is an average carbon number. Each of the above butyl group to docosyl group includes various isomers such as n-, sec-, tert-, and hyperbranched (iso-).
成分（Ａ）のうち、ポリオキシアルキレンアルキルエーテルリン酸エステル塩におけるオキシアルキレン基は、炭素数２〜４が好ましく、炭素数２〜３がより好ましく、炭素数２がさらに好ましい。その中でも、各々が同一であっても互いに異なっていてもよい。オキシアルキレン基の全体において、オキシエチレン基を含んでいることが好ましい。その中でも、全てのオキシアルキレン基がオキシエチレン基のみからなるもの、オキシエチレン基とオキシプロピレン基が混在しているものがより好ましく、全てのオキシアルキレン基がオキシエチレン基のみからなるものがさらに好ましい。オキシアルキレン基に炭素数の異なる複数種が混在している場合、例えばオキシエチレン基とオキシプロピレン基が混在している場合、これらはランダム状に混在していてもよく、ブロック状に混在していてもよい。 Among the components (A), the oxyalkylene group in the polyoxyalkylene alkyl ether phosphate ester salt preferably has 2 to 4 carbon atoms, more preferably 2 to 3 carbon atoms, and still more preferably 2 carbon atoms. Among these, each may be the same or different. The whole oxyalkylene group preferably contains an oxyethylene group. Among them, those in which all oxyalkylene groups are composed only of oxyethylene groups, those in which oxyethylene groups and oxypropylene groups are mixed are more preferable, and those in which all oxyalkylene groups are composed only of oxyethylene groups are more preferable. . When multiple types of oxyalkylene groups with different carbon numbers are mixed, for example, when oxyethylene groups and oxypropylene groups are mixed, these may be mixed randomly or mixed in blocks. May be.
成分（Ａ）のうち、ポリオキシアルキレンアルキルエーテルリン酸エステル塩におけるポリオキシアルキレンの平均付加モル数ｍは、前記式（Ｉ）中におけるＲＯ（ＡＯ）ｍが複数の場合はそれぞれ独立に、例えば０．２５以上、０．５以上、１以上、または２以上である。また、例えば３０以下、２０以下、１０以下、または６以下である。 Among the component (A), the average added mole number m of polyoxyalkylene in the polyoxyalkylene alkyl ether phosphate ester salt is each independently when there are a plurality of RO (AO) m in the formula (I), for example, 0.25 or more, 0.5 or more, 1 or more, or 2 or more. For example, it is 30 or less, 20 or less, 10 or less, or 6 or less.
成分（Ａ）におけるカチオンＭとしては、特に限定されるものではないが、例えば、水素、アルカリ金属、アルカリ土類金属、マグネシウム、有機アンモニウム等が挙げられる。アルカリ金属としては、例えば、リチウム、ナトリウム、カリウム等が挙げられる。アルカリ土類金属としては、例えば、カルシウム等が挙げられる。有機アンモニウムとしては、例えば、ＮＲ１Ｒ２Ｒ３Ｒ４で表されるものが挙げられる。ここでＲ１〜Ｒ４はそれぞれ独立に、水素原子、ヒドロキシ基を含んでもよいアルキル基もしくはアルキレン基、またはポリオキシアルキレン基を示す。これらの中でも、ナトリウムおよびカリウムから選ばれるいずれかのアルカリ金属、アンモニウム、炭素数２０以下、好ましくは１０以下、より好ましくは５以下のアルキル基もしくはヒドロキシアルキル基を有する有機アンモニウムが好ましい。 The cation M in the component (A) is not particularly limited, and examples thereof include hydrogen, alkali metal, alkaline earth metal, magnesium, and organic ammonium. Examples of the alkali metal include lithium, sodium, and potassium. Examples of the alkaline earth metal include calcium. Examples of the organic ammonium include those represented by NR 1 R 2 R 3 R 4 . Here, R 1 to R 4 each independently represent a hydrogen atom, an alkyl group or alkylene group that may contain a hydroxy group, or a polyoxyalkylene group. Among these, any alkali metal selected from sodium and potassium, ammonium, and organic ammonium having 20 or less carbon atoms, preferably 10 or less, more preferably 5 or less alkyl groups or hydroxyalkyl groups are preferable.
成分（Ａ）としては、次の成分（Ａ１）を用いることができる。
（Ａ１）アルキル基の炭素数が６〜１０である、アルキルリン酸エステル塩またはポリオキシアルキレンアルキルエーテルリン酸エステル塩
As the component (A), the following component (A1) can be used.
(A1) Alkyl phosphate ester salt or polyoxyalkylene alkyl ether phosphate ester salt, wherein the alkyl group has 6 to 10 carbon atoms
本発明の不織布用繊維処理剤は、成分（Ａ１）を含有することが好ましい。成分（Ａ１）は、親水性、特に初期透水性と、加工適性の確保等に必要な繊維への浸透性を高めることができる。これらの点等を考慮すると、成分（Ａ１）の含有量は、成分（Ａ）に対して１０質量％以上が好ましく、２０質量％以上がより好ましく、３０質量％以上がさらに好ましく、３５質量％以上が特に好ましく、４０質量％以上が最も好ましい。 It is preferable that the fiber treatment agent for nonwoven fabrics of this invention contains a component (A1). The component (A1) can enhance the hydrophilicity, in particular, the initial water permeability and the permeability to fibers necessary for ensuring processability. Considering these points, the content of the component (A1) is preferably 10% by mass or more, more preferably 20% by mass or more, still more preferably 30% by mass or more, and 35% by mass with respect to the component (A). The above is particularly preferable, and 40% by mass or more is most preferable.
成分（Ａ１）のうち、アルキルリン酸エステル塩としては、例えば、ヘキシルリン酸エステル塩、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、デシルリン酸エステル塩、イソデシルリン酸エステル塩等が挙げられる。 Among the component (A1), examples of the alkyl phosphate ester salt include hexyl phosphate ester salt, octyl phosphate ester salt, 2-ethylhexyl phosphate ester salt, decyl phosphate ester salt, and isodecyl phosphate ester salt.
成分（Ａ１）のうち、ポリオキシアルキレンアルキルエーテルリン酸エステル塩としては、例えば、ポリオキシエチレンヘキシルエーテルリン酸エステル塩（ＰＯＥ（１）〜ＰＯＥ（３０））、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（ＰＯＥ（１）〜ＰＯＥ（３０））、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（ＰＯＥ（１）〜ＰＯＥ（３０））、ポリオキシエチレンデシルエーテルリン酸エステル塩（ＰＯＥ（１）〜ＰＯＥ（３０））、ポリオキシエチレンイソデシルエーテルリン酸エステル塩（ＰＯＥ（１）〜ＰＯＥ（３０））等が挙げられる。なお、括弧内の数字は、ポリオキシエチレン（ＰＯＥ）単位の数を示す。 Among the component (A1), examples of the polyoxyalkylene alkyl ether phosphate salt include polyoxyethylene hexyl ether phosphate ester salts (POE (1) to POE (30)), polyoxyethylene octyl ether phosphate esters. Salt (POE (1) to POE (30)), polyoxyethylene 2-ethylhexyl ether phosphate ester salt (POE (1) to POE (30)), polyoxyethylene decyl ether phosphate ester salt (POE (1)) To POE (30)), polyoxyethylene isodecyl ether phosphate ester salts (POE (1) to POE (30)) and the like. The numbers in parentheses indicate the number of polyoxyethylene (POE) units.
成分（Ａ）としては、次の成分（Ａ２）を用いることができる。
（Ａ２）アルキル基の炭素数が１１以上である、アルキルリン酸エステル塩またはポリオキシアルキレンアルキルエーテルリン酸エステル塩
As the component (A), the following component (A2) can be used.
(A2) Alkyl phosphate ester salt or polyoxyalkylene alkyl ether phosphate ester salt, wherein the alkyl group has 11 or more carbon atoms
成分（Ａ２）は、親水性をコントロールし、繰り返し透水性を高め、転写を抑制できる。特に、成分（Ａ）が、（Ａ１）に加え、さらに成分（Ａ２）を含有することが好ましく、これにより親水性と繰り返し透水性、繊維への浸透性、転写の抑制のバランスに優れた不織布用繊維処理剤を得ることができる。これらの点等を考慮すると、成分（Ａ２）の含有量は、成分（Ａ）に対して９０質量％以下が好ましく、８０質量％以下がより好ましく、７０質量％以下がさらに好ましく、６５質量％以下が特に好ましく、６０質量％以下が最も好ましい。また、１０質量％以上が好ましく、１５質量％以上がより好ましく、２０質量％以上がさらに好ましい。 Component (A2) can control hydrophilicity, repeatedly increase water permeability, and suppress transfer. In particular, the component (A) preferably contains the component (A2) in addition to the component (A1), whereby the nonwoven fabric has an excellent balance of hydrophilicity, repeated water permeability, fiber permeability, and transfer suppression. Fiber treatment agent can be obtained. Considering these points, the content of the component (A2) is preferably 90% by mass or less, more preferably 80% by mass or less, still more preferably 70% by mass or less, and 65% by mass with respect to the component (A). The following is particularly preferable, and 60% by mass or less is most preferable. Moreover, 10 mass% or more is preferable, 15 mass% or more is more preferable, and 20 mass% or more is further more preferable.
成分（Ａ２）のうち、アルキルリン酸エステル塩としては、例えば、ドデシルリン酸エステル塩（ラウリルリン酸エステル塩）、トリデ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、テトラデシルリン酸エステル塩（ミリスチルリン酸エステル塩）、ヘキサデシルリン酸エステル塩（セチルリン酸エステル塩）、オクタデシルリン酸エステル塩（ステアリルリン酸エステル塩）、イソオクタデシルリン酸エステル塩（イソステアリルリン酸エステル塩）等が挙げられる。 Among the component (A2), examples of the alkyl phosphate ester salt include dodecyl phosphate ester salt (lauryl phosphate ester salt), tridecyl phosphate ester salt, isotridecyl phosphate ester salt, tetradecyl phosphate ester salt (myristyl). Phosphate ester salt), hexadecyl phosphate ester salt (cetyl phosphate ester salt), octadecyl phosphate ester salt (stearyl phosphate ester salt), isooctadecyl phosphate ester salt (isostearyl phosphate ester salt), etc. .
成分（Ａ２）のうち、ポリオキシアルキレンアルキルエーテルリン酸エステル塩としては、例えば、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（ラウリルエーテルリン酸エステル塩）（ＰＯＥ（１）〜ＰＯＥ（３０））、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（ＰＯＥ（１）〜ＰＯＥ（３０））、ポリオキシエチレンイソトリデシルエーテルリン酸エステル塩（ＰＯＥ（１）〜ＰＯＥ（３０））、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（ミリスチルエーテルリン酸エステル塩）（ＰＯＥ（１）〜ＰＯＥ（３０））、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（セチルエーテルリン酸エステル塩）（ＰＯＥ（１）〜ＰＯＥ（３０））、ポリオキシエチレンオクタデシルエーテルリン酸エステル塩（ステアリルエーテルリン酸エステル塩）（ＰＯＥ（１）〜ＰＯＥ（３０））、ポリオキシエチレンイソオクタデシルエーテルリン酸エステル塩（イソステアリルエーテルリン酸エステル塩）（ＰＯＥ（１）〜ＰＯＥ（３０））等が挙げられる。なお、括弧内の数字は、ポリオキシエチレン（ＰＯＥ）単位の数を示す。 Among the component (A2), examples of the polyoxyalkylene alkyl ether phosphate ester salt include polyoxyethylene dodecyl ether phosphate ester salt (lauryl ether phosphate ester salt) (POE (1) to POE (30)), Polyoxyethylene tridecyl ether phosphate ester salt (POE (1) to POE (30)), polyoxyethylene isotridecyl ether phosphate ester salt (POE (1) to POE (30)), polyoxyethylene tetradecyl ester Ether phosphate ester salt (myristyl ether phosphate salt) (POE (1) to POE (30)), polyoxyethylene hexadecyl ether phosphate ester salt (cetyl ether phosphate ester salt) (POE (1) to POE) (30)), polyoxyethylene octadecyl ester Telluric acid ester salts (stearyl ether phosphoric acid ester salts) (POE (1) to POE (30)), polyoxyethylene isooctadecyl ether phosphoric acid ester salts (isostearyl ether phosphoric acid ester salts) (POE (1) to POE) (30)). The numbers in parentheses indicate the number of polyoxyethylene (POE) units.
本発明の不織布用繊維処理剤に使用される成分（Ｂ）は、融点が１５℃以上である、多価アルコール脂肪酸エステル、ポリオキシアルキレン多価アルコール脂肪酸エステルおよび天然由来ワックスから選ばれる少なくとも１種である（以下、ワックス成分ともいう）。 The component (B) used in the fiber treatment agent for nonwoven fabrics of the present invention has at least one selected from polyhydric alcohol fatty acid esters, polyoxyalkylene polyhydric alcohol fatty acid esters and naturally-derived waxes having a melting point of 15 ° C. or higher. (Hereinafter also referred to as wax component).
成分（Ｂ）は、成分（Ａ）の転写を抑制する。成分（Ｂ）の融点は、成分（Ａ）の転写を抑制する点を考慮すると、１５℃以上であり、２０℃以上が好ましく、２５℃以上がより好ましく、３０℃以上がさらに好ましい。また、成分（Ａ）の転写を抑制するとともに、特に親水性、さらには繰り返し透水性、加工適性の確保等に必要な繊維への浸透性を高める点を考慮すると、９０℃以下が好ましく、８０℃以下がより好ましく、７０℃以下がさらに好ましく、６０℃以下が特に好ましい。融点が６０℃以上、特に８０℃以上の成分（Ｂ１）を使用する場合、浸透性を高める点を考慮すると、融点が６０℃未満の成分（Ｂ２）と併用することが好ましく、成分（Ｂ２）に対する成分（Ｂ１）の質量比（Ｂ１／Ｂ２）を１未満とすることが好ましい。 Component (B) suppresses the transfer of component (A). The melting point of the component (B) is 15 ° C. or higher, preferably 20 ° C. or higher, more preferably 25 ° C. or higher, and further preferably 30 ° C. or higher, in consideration of suppressing the transfer of the component (A). In addition, in consideration of suppressing the transfer of the component (A) and improving the permeability to fibers necessary for ensuring hydrophilicity, further repetitive water permeability, processability, etc., 90 ° C. or lower is preferable, and 80 ° C or lower is more preferable, 70 ° C or lower is more preferable, and 60 ° C or lower is particularly preferable. When the component (B1) having a melting point of 60 ° C. or higher, particularly 80 ° C. or higher is used, it is preferable to use the component (B2) in combination with the component (B2) having a melting point of less than 60 ° C. The mass ratio (B1 / B2) of the component (B1) to is preferably less than 1.
成分（Ｂ）のうち、多価アルコール脂肪酸エステルおよびポリオキシアルキレン多価アルコール脂肪酸エステルとしては、モノエステル、ジエステル、トリエステル等であってよい。多価アルコール脂肪酸エステルおよびポリオキシアルキレン多価アルコール脂肪酸エステルの多価アルコールは、２価以上のアルコールであり、３価以上のアルコールが好ましい。また、１０価以下のアルコールが好ましく、８価以下のアルコールがより好ましい。具体的には、例えば、グリセリン、ジグリセリン等のポリグリセリン、トリメチロールエタン、トリメチロールプロパン、トリメチロールブタン、ジトリメチロールプロパン、ペンタエリスリトール、ジペンタエリスリトール、ソルビタンや、リトリトール、Ｄ−トレイトール、Ｌ−アラビニトール、リビトール、キシリトール、ソルビトール、マンニトール、ガラクチトール、ラムニトール等の糖アルコール系化合物、アラビノース、リボース、キシロース、グルコース、マンノース、ガラクトース、フルクトース、ソルボース、ラムノース、フコース、リボデソース等の単糖類、トレハロース、ショ糖、マルトース、セロビオース、ゲンチオビオース、ラクトース、メリビオース等の二糖類、ラフィノース、ゲンチアノース、メレチトース等の三糖類等が挙げられる。また、多価アルコール脂肪酸エステルおよびポリオキシアルキレン多価アルコール脂肪酸エステルの脂肪酸としては、特に限定されるものではないが、融点等を考慮すると、脂肪酸の炭素数は、８以上が好ましく、１２以上がさらに好ましい。また、３０以下が好ましく、２２以下がより好ましく、１８以下がさらに好ましい。飽和脂肪酸であってもよく、不飽和脂肪酸であってもよいが、これらの中でも、融点を高める点等を考慮すると、飽和脂肪酸が好ましく、直鎖飽和脂肪酸がより好ましい。飽和脂肪酸としては、例えば、カプリル酸、ペラルゴン酸、カプリン酸、ラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸、アラキジン酸、ベヘン酸等が挙げられる。 Among the component (B), the polyhydric alcohol fatty acid ester and the polyoxyalkylene polyhydric alcohol fatty acid ester may be monoesters, diesters, triesters, and the like. The polyhydric alcohol of the polyhydric alcohol fatty acid ester and the polyoxyalkylene polyhydric alcohol fatty acid ester is a dihydric or higher alcohol, preferably a trihydric or higher alcohol. Also, an alcohol having a valence of 10 or less is preferable, and an alcohol having a valence of 8 or less is more preferable. Specifically, for example, polyglycerin such as glycerin and diglycerin, trimethylolethane, trimethylolpropane, trimethylolbutane, ditrimethylolpropane, pentaerythritol, dipentaerythritol, sorbitan, rititol, D-threitol, L -Sugar alcohol compounds such as arabinitol, ribitol, xylitol, sorbitol, mannitol, galactitol, rhamnitol, arabinose, ribose, xylose, glucose, mannose, galactose, fructose, sorbose, rhamnose, fucose, ribose, etc. monosaccharides, trehalose, Disaccharides such as sucrose, maltose, cellobiose, gentiobiose, lactose, melibiose, raffinose, gentianose, meletito Trisaccharide, etc. and the like. In addition, the fatty acid of the polyhydric alcohol fatty acid ester and the polyoxyalkylene polyhydric alcohol fatty acid ester is not particularly limited, but considering the melting point and the like, the number of carbon atoms of the fatty acid is preferably 8 or more, and 12 or more. Further preferred. Moreover, 30 or less is preferable, 22 or less is more preferable, and 18 or less is further more preferable. Although saturated fatty acid may be sufficient and unsaturated fatty acid may be sufficient, when the point which raises melting | fusing point etc. are considered among these, saturated fatty acid is preferable and linear saturated fatty acid is more preferable. Examples of the saturated fatty acid include caprylic acid, pelargonic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, arachidic acid, and behenic acid.
また、多価アルコール脂肪酸エステルとしては、天然から得られる油脂やそれに水素を添加した硬化油脂であってもよい。 Moreover, as polyhydric alcohol fatty acid ester, the fats and oils obtained from nature and the hardened fats and oils which added hydrogen to it may be sufficient.
成分（Ｂ）のうち、ポリオキシアルキレン多価アルコール脂肪酸エステルにおけるポリオキシアルキレンの平均付加モル数は、多価アルコールエステルの水酸基１モル当量当たり、例えば１００以下、あるいは８０以下である。オキシアルキレン基は、炭素数２〜４が好ましく、炭素数２（オキシエチレン基）または３（オキシプロピレン基）がより好ましい。オキシアルキレン基に炭素数の異なる複数種が混在している場合、例えばオキシエチレン基とオキシプロピレン基が混在している場合、これらはランダム状に混在していてもよく、ブロック状に混在していてもよい。 Among the components (B), the average addition mole number of polyoxyalkylene in the polyoxyalkylene polyhydric alcohol fatty acid ester is, for example, 100 or less, or 80 or less, per 1 molar equivalent of the hydroxyl group of the polyhydric alcohol ester. The oxyalkylene group preferably has 2 to 4 carbon atoms, and more preferably 2 (oxyethylene groups) or 3 (oxypropylene groups). When multiple types of oxyalkylene groups with different carbon numbers are mixed, for example, when oxyethylene groups and oxypropylene groups are mixed, these may be mixed randomly or mixed in blocks. May be.
成分（Ｂ）のうち、天然由来ワックスとしては、例えば、植物系ワックス、動物系ワックス、鉱物系ワックス等が挙げられる。植物系ワックスとしては、例えば、カルナバワックス、キャンデリラワックス、ライスワックス、木蝋、ホホバ油等が挙げられる。動物系ワックスとしては、例えば、ラノリン、密蝋、鯨蝋等が挙げられる。鉱物系ワックスとしては、パラフィンワックス、マイクロクリスタリンワックス、ペトロラクタム、オゾケライト、セレシン等が挙げられる。これらの中でも植物系ワックスが好ましい。これらは１種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。 Among the component (B), examples of the naturally derived wax include plant waxes, animal waxes, and mineral waxes. Examples of plant waxes include carnauba wax, candelilla wax, rice wax, wood wax, jojoba oil, and the like. Examples of animal waxes include lanolin, beeswax, and spermaceti. Examples of the mineral wax include paraffin wax, microcrystalline wax, petrolactam, ozokerite, and ceresin. Of these, vegetable waxes are preferred. These may be used alone or in combination of two or more.
本発明の不織布用繊維処理剤において、成分（Ａ）に対する成分（Ｂ）の質量比（Ｂ）／（Ａ）は、親水性を高める点を考慮すると、１未満が好ましい。また、転写を抑制する点を考慮すると、０．１以上が好ましく、０．２以上がより好ましく、０．３以上がさらに好ましい。 In the fiber treatment agent for nonwoven fabrics of the present invention, the mass ratio (B) / (A) of the component (B) to the component (A) is preferably less than 1 in consideration of enhancing hydrophilicity. In view of suppressing the transfer, 0.1 or more is preferable, 0.2 or more is more preferable, and 0.3 or more is more preferable.
本発明の不織布用繊維処理剤は、本発明の効果、すなわち親水性と繰り返し透水性、繊維への浸透性を有し、転写を抑制できる点を考慮すると、成分（Ａ）、（Ｂ）の合計量は、不織布用繊維処理剤の固形分に対して５０質量％以上が好ましく、６０質量％がより好ましく、７０質量％以上がさらに好ましく、８０質量％以上が特に好ましく、８５質量％以上が最も好ましい。ここで固形分は、繊維へ付着処理した際に消失する水や溶剤等の揮発性成分を除いた割合である。 The fiber treatment agent for nonwoven fabrics of the present invention has the effects of the present invention, that is, hydrophilicity, repeated water permeability, fiber permeability, and can suppress the transfer of components (A) and (B). The total amount is preferably 50% by mass or more, more preferably 60% by mass, further preferably 70% by mass or more, particularly preferably 80% by mass or more, and more preferably 85% by mass or more based on the solid content of the fiber treatment agent for nonwoven fabrics. Most preferred. Here, the solid content is a ratio excluding volatile components such as water and a solvent that disappear when the fiber is attached to the fiber.
本発明の不織布用繊維処理剤は、成分（Ａ）、（Ｂ）に加え、繊維への浸透性能を向上させる目的で浸透剤（Ｃ）を配合しても良い。浸透剤（Ｃ）としては、ポリオキシアルキレンアルキルエーテル等の非イオン界面活性剤、ポリオキシアルキレンアルキルエーテル硫酸塩、スルホコハク酸エステル塩等の陰イオン界面活性剤、ポリエーテル変性シリコーン等が挙げられる。これらの中でも、安価で浸透性能を向上できることから、ポリオキシアルキレンアルキルエーテル、特に、ポリオキシアルキレン分岐アルキルエーテルを用いることが好ましい。浸透剤は配合量が増加すると、転写や耐久親水性に悪影響を及ぼすため、不織布用繊維処理剤の固形分に対して２０質量％以下が好ましく、１５質量％以下がより好ましく、１０質量％以下がさらに好ましい。これらは１種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。 In addition to the components (A) and (B), the fiber treatment agent for nonwoven fabrics of the present invention may contain a penetrant (C) for the purpose of improving the fiber penetration performance. Examples of the penetrant (C) include nonionic surfactants such as polyoxyalkylene alkyl ethers, anionic surfactants such as polyoxyalkylene alkyl ether sulfates and sulfosuccinic acid ester salts, and polyether-modified silicones. Among these, it is preferable to use polyoxyalkylene alkyl ethers, particularly polyoxyalkylene branched alkyl ethers, because they are inexpensive and can improve the permeation performance. When the blending amount increases, the penetrant adversely affects transfer and durability hydrophilicity. Therefore, the content is preferably 20% by mass or less, more preferably 15% by mass or less, and more preferably 10% by mass or less based on the solid content of the fiber treatment agent for nonwoven fabric. Is more preferable. These may be used alone or in combination of two or more.
ポリオキシアルキレンアルキルエーテルにおけるアルキル部分は、直鎖アルキル基でも分岐鎖アルキル基であってもよく、炭素数８〜１４のアルキル基が好ましく、炭素数１０〜１２のアルキル基がより好ましい。分岐鎖アルキル基としては、例えば、イソオクチル基、イソデシル基、イソドデシル基、イソヘキサデシル（イソセチル）基、イソオクタデシル（イソステアリル）基、オクチルドデシル基、デシルテトラデシル基等が挙げられる。 The alkyl moiety in the polyoxyalkylene alkyl ether may be a linear alkyl group or a branched alkyl group, preferably an alkyl group having 8 to 14 carbon atoms, more preferably an alkyl group having 10 to 12 carbon atoms. Examples of the branched chain alkyl group include an isooctyl group, an isodecyl group, an isododecyl group, an isohexadecyl (isocetyl) group, an isooctadecyl (isostearyl) group, an octyldodecyl group, and a decyltetradecyl group.
ポリオキシアルキレン直鎖アルキルエーテルおよびポリオキシアルキレン分岐アルキルエーテルにおけるポリオキシアルキレンの平均付加モル数は、２〜１２が好ましく、４〜８がより好ましい。オキシアルキレン基は、炭素数２〜４が好ましく、炭素数２（オキシエチレン基）または３（オキシプロピレン基）がより好ましい。オキシアルキレン基に炭素数の異なる複数種が混在している場合、例えばオキシエチレン基とオキシプロピレン基が混在している場合、これらはランダム状に混在していてもよく、ブロック状に混在していてもよい。 2-12 are preferable and, as for the average addition mole number of the polyoxyalkylene in polyoxyalkylene linear alkyl ether and polyoxyalkylene branched alkyl ether, 4-8 are more preferable. The oxyalkylene group preferably has 2 to 4 carbon atoms, and more preferably 2 (oxyethylene groups) or 3 (oxypropylene groups). When multiple types of oxyalkylene groups with different carbon numbers are mixed, for example, when oxyethylene groups and oxypropylene groups are mixed, these may be mixed randomly or mixed in blocks. May be.
本発明の不織布用繊維処理剤は、必要に応じて、水や溶剤を含有していてもよく、水を含有することが好ましい。本発明に使用する水としては、純水、蒸留水、精製水、軟水、イオン交換水、水道水等のいずれであってもよい。本発明の不織布用繊維処理剤を製造する際における固形分の割合は、５〜９０質量％が好ましく、１０〜８０質量％がより好ましい。 The fiber treatment agent for nonwoven fabrics of the present invention may contain water or a solvent, if necessary, and preferably contains water. The water used in the present invention may be any of pure water, distilled water, purified water, soft water, ion exchange water, tap water and the like. As for the ratio of solid content in manufacturing the fiber processing agent for nonwoven fabrics of this invention, 5-90 mass% is preferable, and 10-80 mass% is more preferable.
本発明の不織布用繊維処理剤は、上記した各成分以外に、本発明の効果を損なわない範囲内において、その他の成分を含有していてもよい。その他の成分としては、例えば、界面活性剤、抗菌剤、酸化防止剤、防腐剤、艶消し剤、顔料、防錆剤、芳香剤、消泡剤、香料、ｐＨ調整剤、粘度調整剤等が挙げられる。界面活性剤としては、例えば、ポリオキシアルキレンアルキルエーテルおよびポリオキシアルキレンアルケニルエーテル、ポリオキシアルキレン脂肪酸エステル、脂肪酸アルカノールアミド等の非イオン界面活性剤、アルファオレフィンスルホン酸塩およびアルキルベンゼンスルホン酸塩、アルキル硫酸塩、ポリオキシアルキレンアルキルエーテル硫酸塩、スルホコハク酸エステル塩等の陰イオン界面活性剤、アルキルベタインおよびアルキルスルホベタイン、アルキルアミノ脂肪酸塩等の両性界面活性剤、アルキル第四級アンモニウム塩等の陽イオン界面活性剤等が挙げられる。 The fiber treatment agent for nonwoven fabrics of the present invention may contain other components in addition to the above-described components as long as the effects of the present invention are not impaired. Examples of other components include surfactants, antibacterial agents, antioxidants, preservatives, matting agents, pigments, rust preventives, fragrances, antifoaming agents, fragrances, pH adjusters, viscosity adjusters, and the like. Can be mentioned. Examples of the surfactant include nonionic surfactants such as polyoxyalkylene alkyl ethers and polyoxyalkylene alkenyl ethers, polyoxyalkylene fatty acid esters and fatty acid alkanolamides, alpha olefin sulfonates and alkylbenzene sulfonates, and alkyl sulfates. Anionic surfactants such as salts, polyoxyalkylene alkyl ether sulfates, sulfosuccinic acid ester salts, amphoteric surfactants such as alkylbetaines and alkylsulfobetaines, alkylamino fatty acid salts, and cations such as alkyl quaternary ammonium salts Surfactant etc. are mentioned.
本発明の不織布用繊維処理剤は、固形分が２質量％となるように調製した水溶液における、最大泡圧法による泡寿命１００ミリ秒時の動的表面張力が５５ｍＮ／ｍ以下であることが好ましく、５０ｍＮ／ｍ以下であることがより好ましい。動的表面張力がこの範囲であると、疎水性である繊維への浸透性が良く、工程通過性を阻害せず、転写の抑制効果の発現にも適している。 The fiber treatment agent for nonwoven fabrics of the present invention preferably has a dynamic surface tension of 55 mN / m or less at a foam life of 100 milliseconds by the maximum foam pressure method in an aqueous solution prepared so that the solid content is 2% by mass. More preferably, it is 50 mN / m or less. When the dynamic surface tension is within this range, the permeability to the hydrophobic fibers is good, the process passability is not hindered, and it is also suitable for the expression of the transcription suppressing effect.
本発明の不織布用繊維処理剤の製造方法としては、特に限定されるものではないが、例えば、成分（Ａ）、（Ｂ）および水を配合し、必要に応じて成分（Ｃ）やその他の各成分を配合し、常温または必要に応じて加熱（例えば４０〜１００℃）して均一に混合することにより、本発明の不織布用繊維処理剤を得ることができる。各成分の配合順序、配合方法は特に限定されない。本発明の不織布用繊維処理剤は、例えば、本発明の不織布用繊維処理剤を必要に応じて水で希釈して、エマルション分散液として繊維に付与することができる。 Although it does not specifically limit as a manufacturing method of the fiber treatment agent for nonwoven fabrics of this invention, For example, a component (A), (B) and water are mix | blended, and a component (C) or other is added as needed. The fiber treatment agent for nonwoven fabrics of the present invention can be obtained by blending each component, heating it at room temperature or as necessary (for example, 40 to 100 ° C.) and mixing it uniformly. The blending order and blending method of each component are not particularly limited. The fiber treatment agent for nonwoven fabrics of the present invention can be applied to fibers as an emulsion dispersion, for example, by diluting the fiber treatment agent for nonwoven fabrics of the present invention with water as necessary.
次に、本発明の不織布用繊維処理剤を用いた不織布について説明する。 Next, the nonwoven fabric using the fiber treatment agent for nonwoven fabric of this invention is demonstrated.
不織布の原料繊維としては、例えば、ポリエチレンやポリプロピレン等のポリオレフィン繊維、ポリエステル繊維、ポリアミド繊維等の合成繊維、レーヨンやキュプラ等の再生繊維、綿等の天然繊維等や、これらのうち２種以上を使用した混合繊維、複合繊維等が挙げられる。 Examples of the raw material fibers for the nonwoven fabric include polyolefin fibers such as polyethylene and polypropylene, synthetic fibers such as polyester fibers and polyamide fibers, regenerated fibers such as rayon and cupra, natural fibers such as cotton, and the like. Examples thereof include mixed fibers and composite fibers used.
繊維の断面形態としては、円形断面、異形断面等が挙げられる。異形断面としては、例えば、星形、楕円形、三角形、四角形、五角形、多葉形、アレイ形、Ｔ字形、馬蹄形等が挙げられる。 Examples of the cross-sectional form of the fiber include a circular cross section and an irregular cross section. Examples of the irregular cross section include a star shape, an ellipse shape, a triangle shape, a quadrangle shape, a pentagon shape, a multi-leaf shape, an array shape, a T shape, and a horseshoe shape.
複合繊維の断面形態としては、例えば、鞘芯型、並列型、偏心鞘芯型、多層型、放射型、海島型等が挙げられる。複合繊維としては、例えば、高密度ポリエチレン／ポリプロピレン、直鎖状低密度ポリエチレン／ポリプロピレン、低密度ポリエチレン／ポリプロピレン、プロピレンと他のα−オレフィンとの二元共重合体または三元共重合体／ポリプロピレン、直鎖状低密度ポリエチレン／高密度ポリエチレン、低密度ポリエチレン／高密度ポリエチレン等のポリオレフィン樹脂／ポリオレフィン樹脂や、ポリプロピレン／ポリエチレンテレフタレート、高密度ポリエチレン／ポリエチレンテレフタレート、直鎖状低密度ポリエチレン／ポリエチレンテレフタレート、低密度ポリエチレン／ポリエチレンテレフタレート等のポリオレフィン樹脂／ポリエステル樹脂や、共重合ポリエステル／ポリエチレンテレフタレート等のポリエステル樹脂／ポリエステル樹脂や、ポリアミド樹脂／ポリエステル樹脂、ポリオレフィン樹脂／ポリアミド樹脂の組み合わせ等が挙げられる。 Examples of the cross-sectional form of the composite fiber include a sheath core type, a parallel type, an eccentric sheath core type, a multilayer type, a radiation type, and a sea-island type. Examples of the composite fiber include high-density polyethylene / polypropylene, linear low-density polyethylene / polypropylene, low-density polyethylene / polypropylene, a binary copolymer of propylene and another α-olefin, or a terpolymer / polypropylene. Polyolefin resin / polyolefin resin such as linear low density polyethylene / high density polyethylene, low density polyethylene / high density polyethylene, polypropylene / polyethylene terephthalate, high density polyethylene / polyethylene terephthalate, linear low density polyethylene / polyethylene terephthalate, Polyolefin resin / polyester resin such as low density polyethylene / polyethylene terephthalate and polyester resin / polyester such as copolyester / polyethylene terephthalate And resin, polyamide resin / polyester resin, a combination of a polyolefin resin / polyamide resins.
原料繊維の紡糸方法としては、公知の紡糸方法であってよく、例えば、溶融紡糸法、湿式紡糸法、乾式紡糸等が挙げられる。紡糸した繊維は、延伸、捲縮等の処理を行ってもよい。 The raw fiber spinning method may be a known spinning method, and examples thereof include a melt spinning method, a wet spinning method, and a dry spinning method. The spun fiber may be subjected to a treatment such as drawing or crimping.
不織布の製造工程では、繊維の集積層（ウェブ）を形成し、次に繊維同士を結合させる。 In the manufacturing process of the nonwoven fabric, a fiber accumulation layer (web) is formed, and then the fibers are bonded together.
繊維の集積層を形成する方法としては、例えば、乾式法、湿式法、スパンボンド法等が挙げられる。乾式法は、短繊維（例えば１５〜１００ｍｍ）を、カード機やエアレイと呼ばれる空気流で一定方向またはランダムに並べて、繊維の集積層を形成する。湿式法は、短い繊維を水中に分散し抄紙機で漉いて繊維の集積層を形成する。スパンボンド法は、溶融した原料樹脂を紡糸機のノズルの先から溶出・紡糸させ、連続した長繊維で繊維の集積層を形成する。繊維を作る（紡糸）工程からそのまま不織布を製造する方法としては、その他にメルトブロー法、フラッシュ紡糸法等が挙げられる。 Examples of the method for forming the fiber accumulation layer include a dry method, a wet method, and a spunbond method. In the dry method, short fibers (for example, 15 to 100 mm) are arranged in a certain direction or randomly in an air flow called a card machine or air lay to form a fiber accumulation layer. In the wet method, short fibers are dispersed in water and rolled with a paper machine to form a fiber accumulation layer. In the spunbond method, a molten raw material resin is eluted and spun from the tip of a spinning machine nozzle to form a fiber accumulation layer of continuous long fibers. Other methods for producing a non-woven fabric as it is from the fiber making (spinning) step include a melt blow method, a flash spinning method, and the like.
繊維同士を結合させる方法としては、例えば、サーマルボンド法、ニードルパンチ法、水流絡合法、ケミカルボンド法等が挙げられる。サーマルボンド法は、低融点の熱融着繊維を混合した繊維の集積層を、熱ロールの間を通して熱圧着し、あるいは熱風を当て、繊維同士を接着させる。ニードルパンチ法は、繊維の集積層を、高速で上下するニードル（針）で繰り返し突き刺し、ニードルに刻まれた突起により繊維を絡ませる。水流絡合法は、スパンレース、ウォーターパンチ、ウォータージェットとも呼ばれ、繊維の集積層に高圧の水流を噴射して繊維を絡ませる。ケミカルボンド法は、エマルジョン系の接着樹脂を含浸や噴霧等の方法で繊維の集積層に付着させ、加熱乾燥させて繊維の交点を接着する。 Examples of the method for bonding the fibers include a thermal bond method, a needle punch method, a hydroentanglement method, and a chemical bond method. In the thermal bond method, a fiber accumulation layer in which low-melting-point heat-bonding fibers are mixed is subjected to thermocompression bonding between hot rolls, or hot air is applied to bond the fibers together. In the needle punching method, a fiber accumulation layer is repeatedly pierced with a needle (needle) that moves up and down at a high speed, and the fiber is entangled by a protrusion carved in the needle. The water entanglement method is also called spun lace, water punch, or water jet, and entangles fibers by injecting a high-pressure water flow into the fiber accumulation layer. In the chemical bond method, an emulsion type adhesive resin is attached to a fiber accumulation layer by a method such as impregnation or spraying, and is heated and dried to bond the intersections of the fibers.
本発明の不織布用繊維処理剤を用いて、繊維に付着処理する方法は、特に限定されるものではない。本発明の不織布用繊維処理剤は、製造工程の円滑化、容易化等を目的とする紡糸油剤、工程油剤や、最終用途に対する効果を目的とする仕上げ油剤として供給されてよい。工程油剤として使用される場合、カード機等での摩擦による静電気の発生、繊維のちぎれ、毛玉の発生等を抑制する、制電性能、平滑性、耐久性、熱安定性、安全性等の性能も付与し得る。本発明の不織布用繊維処理剤を繊維に付着させる工程としては、例えば、紡糸、延伸、捲縮等の工程が挙げられる。付着方法としては、繊維の製造工程やその特性に応じて均一に効率よく目的の付着量が得られる手段として、例えば、ローラーによる給油、浸漬、噴霧、泡塗工等の手段で本発明の不織布用繊維処理剤を繊維に供給し、乾燥する方法等が挙げられる。あるいは、繊維同士を結合した不織布に対して本発明の不織布用繊維処理剤を、例えば、ローラーによる給油、浸漬、噴霧、泡塗工等の手段で、供給、乾燥することで付着処理してもよい。 The method of carrying out the adhesion treatment on the fibers using the nonwoven fabric fiber treatment agent of the present invention is not particularly limited. The fiber treatment agent for nonwoven fabrics of the present invention may be supplied as a spinning oil, a process oil for the purpose of facilitating and facilitating the production process, and a finishing oil for the purpose of end use. When used as a process oil, it suppresses generation of static electricity due to friction in card machines, fiber tearing, generation of pills, etc., antistatic performance, smoothness, durability, thermal stability, safety, etc. Performance can also be imparted. Examples of the step of attaching the fiber treatment agent for nonwoven fabric of the present invention to the fiber include steps such as spinning, stretching, and crimping. As an attachment method, the nonwoven fabric of the present invention can be obtained by means of, for example, oiling with a roller, dipping, spraying, foam coating, etc. For example, a method of supplying a fiber treatment agent to a fiber and drying it. Alternatively, the non-woven fabric fiber treatment agent of the present invention may be applied to the non-woven fabric in which the fibers are bonded, for example, by supplying and drying by means of oiling, dipping, spraying, foam coating, or the like using a roller. Good.
本発明の不織布用繊維処理剤の繊維への付着量は、特に限定されるものではないが、本発明の効果を得る点や工程油剤としての性能等を考慮すると、繊維質量を基準とし固形分として０．０５〜２質量％が好ましく、０．１〜１．５質量％がより好ましい。 The amount of the fiber treatment agent for nonwoven fabric of the present invention attached to the fiber is not particularly limited, but considering the point of obtaining the effect of the present invention and the performance as a process oil, the solid content is based on the fiber mass. 0.05 to 2% by mass is preferable, and 0.1 to 1.5% by mass is more preferable.
本発明の不織布は、本発明の不織布用繊維処理剤で繊維が付着処理されたものである。この不織布は、親水性と繰り返し透水性、繊維への浸透性を有し、転写を抑制できることから、このような性能が要求される各種用途に使用することができる。本発明の不織布が使用可能な分野としては、例えば、衛生材料用、医療用、衣料用、日用雑貨、農業・土木資材用、テープ用基材、フィルター用、包装資材用等が挙げられる。その中でも、親水性の付与等とともに、不織布を用いた物品への加工時、例えば、ホットメルト接着や熱接着等の方法により相互に接着、固定し、衛生用品を製造する加工時における不織布用繊維処理剤の繊維付着物の転写抑制が特に要求され得る分野に好適である。このような分野としては、例えば、紙おむつ、生理用品、マスク、包帯、絆創膏、消毒布、サージカルテープ等の衛生材料用が挙げられる。特に、乳児用使い捨ておむつ、介護用使い捨ておむつ等の紙おむつ、ナプキン等の生理用品等の吸収性物品の表面材、例えばトップシートや、トップシートと吸収要素との間に配置される中間シート等に好適である。 The nonwoven fabric of the present invention is one in which fibers are attached and treated with the fiber treatment agent for nonwoven fabrics of the present invention. Since this nonwoven fabric has hydrophilicity, repeated water permeability, and fiber permeability, and can suppress transfer, it can be used for various applications that require such performance. Fields in which the nonwoven fabric of the present invention can be used include, for example, sanitary materials, medical use, clothing use, daily goods, agricultural / civil engineering materials, tape base materials, filters, and packaging materials. Among them, fibers for nonwoven fabrics when processing into articles using nonwoven fabrics, such as imparting hydrophilicity, for example, during processing to manufacture sanitary products by bonding and fixing to each other by methods such as hot melt bonding and thermal bonding It is suitable for the field where transfer suppression of the fiber deposits of the treatment agent can be particularly required. Examples of such a field include sanitary materials such as disposable diapers, sanitary products, masks, bandages, bandages, disinfecting cloths, and surgical tapes. Especially for disposable diapers for infants, disposable diapers for nursing care, disposable diapers for absorbent materials, surface materials for absorbent articles such as sanitary products such as napkins, for example, top sheets, intermediate sheets arranged between top sheets and absorbent elements, etc. Is preferred.
以下に、実施例により本発明をさらに詳しく説明するが、本発明はこれらの実施例に限定されるものではない。
１．不織布用繊維処理剤と評価用不織布の作製
表１の配合（質量部）の各成分を、８０℃で６０分間撹拌して実施例および比較例の不織布用繊維処理剤を作製した。
EXAMPLES Hereinafter, the present invention will be described in more detail with reference to examples, but the present invention is not limited to these examples.
1. Preparation of Nonwoven Fabric Fiber Treatment Agent and Evaluation Nonwoven Fabric Each component of the composition (parts by mass) in Table 1 was stirred at 80 ° C. for 60 minutes to prepare nonwoven fabric fiber treatment agents of Examples and Comparative Examples.
以下の評価において、ポリプロピレン製評価用不織布は次の方法で作製した。
実施例および比較例の不織布用繊維処理剤をそれぞれ４０℃の水で固形分が１質量％となるように希釈して希釈液を得た。目付２０ｇ／ｍ２のポリプロピレンスパンボンド不織布を希釈液に浸漬して給油し、不織布の目標付着油量が０．６質量％となるよう圧搾後、乾燥機で８０℃、３０分間乾燥させ、不織布を得た。
In the following evaluation, the nonwoven fabric for evaluation made of polypropylene was produced by the following method.
The fiber treatment agents for nonwoven fabrics of Examples and Comparative Examples were each diluted with water at 40 ° C. so that the solid content was 1% by mass to obtain a diluted solution. A polypropylene spunbond nonwoven fabric having a basis weight of 20 g / m 2 is dipped in a diluting solution and oiled. After pressing so that the target adhered oil amount of the nonwoven fabric is 0.6% by mass, the nonwoven fabric is dried at 80 ° C. for 30 minutes with a dryer. Got.
表１に示すアルキルリン酸エステル塩または誘導体（Ａ）、ワックス成分（Ｂ）、浸透剤（Ｃ）は次のものを使用した。表１に記載の配合量は有効分を示している。
アルキルリン酸エステル塩または誘導体（Ａ）
1-1：ヘキシルリン酸カリウム
1-2：２−エチルヘキシルリン酸カリウム
1-3：デシルリン酸アンモニウム
1-4：ラウリルリン酸カリウム
1-5：ＰＯＥ（２）ラウリルエーテルリン酸カリウム
1-6：ＰＯＥ（２）ステアリルエーテルリン酸カリウム
ワックス成分（Ｂ）
2-1：ソルビタンモノステアレート（融点５３℃）
2-2：ジグリセリンラウレート（融点３４℃）
2-3：ショ糖ステアリン酸エステル（融点４８℃）
2-4：ポリソルベート６５（融点３３℃）
2-5：ＰＯＥ（５０）ステアリルエーテル（融点５５℃）
2-6：カルナバワックス（融点８５℃）
2-7：ソルビタンモノオレエート（液状）
2-8：酸化ポリエチレンワックス（融点１０５℃）
なお、ワックス成分（Ｂ）の融点は、微量融点測定装置（（株）ヤナコ機器開発研究所製ＭＰ−３Ｓ）により測定した。
浸透剤（Ｃ）
3-1：ＰＯＡ（４）分岐デシルエーテル
3-2：ＰＯＥ（７）ラウリルエーテル
3-3：ＰＯＥ（３）ラウリルエーテル硫酸ナトリウム
3-4：ジオクチルスルホコハク酸ナトリウム
3-5：ポリエーテル変性シリコーン
The following alkyl phosphate salt or derivative (A), wax component (B) and penetrant (C) shown in Table 1 were used. The compounding amounts shown in Table 1 show the effective amount.
Alkyl phosphate ester salt or derivative (A)
1-1: Potassium hexyl phosphate
1-2: Potassium 2-ethylhexyl phosphate
1-3: Ammonium decyl phosphate
1-4: Potassium lauryl phosphate
1-5: POE (2) potassium lauryl ether phosphate
1-6: POE (2) Stearyl ether potassium phosphate wax component (B)
2-1: Sorbitan monostearate (melting point 53 ° C)
2-2: Diglycerin laurate (melting point: 34 ° C.)
2-3: Sucrose stearate (melting point 48 ° C)
2-4: Polysorbate 65 (melting point 33 ° C.)
2-5: POE (50) stearyl ether (melting point 55 ° C)
2-6: Carnauba wax (melting point 85 ° C)
2-7: Sorbitan monooleate (liquid)
2-8: Oxidized polyethylene wax (melting point 105 ° C)
In addition, melting | fusing point of the wax component (B) was measured with the trace amount melting | fusing point measuring apparatus (MP-3S by Yanaco Instrument Development Laboratory).
Penetration agent (C)
3-1: POA (4) branched decyl ether
3-2: POE (7) lauryl ether
3-3: POE (3) sodium lauryl ether sulfate
3-4: Sodium dioctyl sulfosuccinate
3-5: Polyether-modified silicone
２．評価
上記において作製した不織布用繊維処理剤と評価用不織布を用いて次の評価を行った。
2. Evaluation The following evaluation was performed using the fiber treatment agent for nonwoven fabric and the nonwoven fabric for evaluation produced above.
以下の記述において、薬剤は実施例および比較例の不織布用繊維処理剤、付着量は薬剤の水以外の固形分（全有効分）の付着量を意味する。 In the following description, the drug is the fiber treatment agent for nonwoven fabrics of Examples and Comparative Examples, and the amount of adhesion means the amount of solid content (total effective amount) other than water of the drug.
［親水性（ストライクスルー試験）］
２つの円筒形測定器具（内径４０φ）の間に、上記で作製した不織布（目付２０ｇ／ｍ２）を４枚挟み、測定器具の上部円筒へ生理食塩水を５０ｃｃ注ぎ入れた。注いだ生理食塩水が評価用不織布を３０ｃｃにするまでの時間を測定し、初期透水性能を評価した。
評価は生理食塩水の透過時間が１０秒以内であるものを◎＋、同じく１０秒超３０秒以内であれば◎、３０秒超１分以内は○、１分超２分以内は△、２分を超えるものは×とした。
[Hydrophilicity (Strikethrough test)]
Four nonwoven fabrics (weight per unit area: 20 g / m 2 ) were sandwiched between two cylindrical measuring instruments (inner diameter 40φ), and 50 cc of physiological saline was poured into the upper cylinder of the measuring instrument. The time until the poured physiological saline became 30 cc of the nonwoven fabric for evaluation was measured to evaluate the initial water permeability.
The evaluation is ◎ + if the physiological saline permeation time is within 10 seconds, ◎ if it is more than 10 seconds and less than 30 seconds, ◯ if more than 30 seconds and less than 1 minute, △, if more than 1 minute and less than 2 minutes. Those exceeding minutes were marked with x.
［繰り返し透水性（水滴法）］
ストライクスルー試験の操作を５回連続で行った後、試験直後の薬剤処理不織布４枚を濾紙で挟み、ローラーを用いて水分を取り除いた。表面側の濾紙を取り除き、ストライクスルー試験部分にシリンジを用いて生理食塩水の水滴を１０箇所落とした。
評価は水滴が３秒以内に染込む箇所を計測して行い、８箇所以上は◎、７もしくは６箇所は○、５〜２箇所は△、１箇所以下は×とした。
[Repeated water permeability (water droplet method)]
After the strike-through test operation was performed five times in succession, four drug-treated nonwoven fabrics immediately after the test were sandwiched between filter papers, and water was removed using a roller. The filter paper on the surface side was removed, and 10 drops of physiological saline were dropped using a syringe in the strike-through test portion.
The evaluation was performed by measuring the places where water droplets were soaked within 3 seconds, ◯ for 8 or more places, ○ for 7 or 6 places, Δ for 5 to 2 places, and x for 1 place or less.
［浸透性（綿沈降法）］
評価する薬剤の２質量％水溶液（有効分換算）を調製して、その上から１０ｃｍ角に切り出した薬剤未処理のポリプロピレン製評価用不織布（目付２０ｇ／ｍ２）を静かに投下し、不織布全体に水溶液が浸透するまでの時間を測定した。
評価は不織布全体に浴液が浸透するまでの時間が５秒以内であれば◎、５秒超１０秒以内であれば○、１０秒超１５秒以内であれば△、１５秒を超えるものは×とした。
[Permeability (cotton sedimentation method)]
Prepare a 2% by weight aqueous solution of the drug to be evaluated (effective component equivalent), and gently drop the untreated polypropylene non-woven fabric for evaluation (weight per unit of 20 g / m 2 ) cut into a 10 cm square from above, The time until the aqueous solution penetrated into was measured.
If the time until the bath solution penetrates the entire nonwoven fabric is within 5 seconds, ◎ if over 5 seconds and within 10 seconds, △ if over 10 seconds and within 15 seconds, and over 15 seconds X.
［動的表面張力］
評価する薬剤の２質量％水溶液（有効分換算）を調製して、市販の動的表面張力測定装置（協和界面科学（株）製ＢＰ−Ｄ５）を用いて最大泡圧法の測定を行い、泡寿命１００ミリ秒（ｍｓｅｃ）時の表面張力（ｍＮ／ｍ）を測定値として記録した。
[Dynamic surface tension]
Prepare a 2% by weight aqueous solution (in terms of effective amount) of the drug to be evaluated, and measure the maximum bubble pressure method using a commercially available dynamic surface tension measuring device (BP-D5, manufactured by Kyowa Interface Science Co., Ltd.). The surface tension (mN / m) at a lifetime of 100 milliseconds (msec) was recorded as a measured value.
［転写抑制（耐水圧低下率）］
上記で不織布（目付２０ｇ／ｍ２）と、同じく１５ｃｍ角の薬剤未処理の不織布を重ね合わせ、０．４９ｋＰａの荷重を加えて３０日間静置した。期間経過後に薬剤未処理の不織布を取り出し試験片とし、ＪＩＳ Ｌ １０９２：２００９ 繊維製品の防水性試験方法に記載の耐水度試験（静水圧法）のＡ法（低水圧法）に準拠した測定装置を用いて耐水圧測定を行った。なお、測定装置に試験片を取り付ける際は、薬剤処理した不織布との接触面が水接触面側となるように取り付けた。また、対照試験として試験前に薬剤未処理の不織布の耐水圧測定を行い、ブランク値とした。
評価は試験片の耐水圧低下率がブランク値の１０％以内であれば◎＋、１０％超２０％以内であれば◎、２０％超３０％以内であれば○、３０％超５０％以内であれば△、５０％を超えるものは×とした。
[Transfer suppression (water pressure reduction rate)]
The non-woven fabric (weight per unit area: 20 g / m 2 ) and the non-medicine-treated non-woven fabric of 15 cm square were overlapped, and a load of 0.49 kPa was applied and left standing for 30 days. After the elapse of the period, a non-drug-treated non-woven fabric is taken out and used as a test piece, which is a measuring device compliant with Method A (low water pressure method) of the water resistance test (hydrostatic pressure method) described in JIS L 1092: 2009 Was used to measure the water pressure resistance. In addition, when attaching a test piece to a measuring apparatus, it attached so that a contact surface with the nonwoven fabric processed with a chemical | medical agent might turn into a water contact surface side. Moreover, the water pressure resistance measurement of the non-drug-treated non-woven fabric was performed before the test as a control test to obtain a blank value.
The evaluation is ◎ + if the water pressure drop rate of the test piece is within 10% of the blank value, ◎ if it is within 20% within 10%, ○ if it is within 20% to 30%, and within 30% to 50%. If it is, Δ, if it exceeds 50%, it was rated as x.
上記評価の結果を表１に示す。 The results of the evaluation are shown in Table 1.
Claims (11)
（Ａ）アルキルリン酸エステル塩およびポリオキシアルキレンアルキルエーテルリン酸エステル塩から選ばれる少なくとも１種
（Ｂ）融点が３４〜９０℃である、多価アルコール脂肪酸エステル、ポリオキシアルキレン多価アルコール脂肪酸エステルおよび天然由来ワックスから選ばれる少なくとも１種を含有し、
前記成分（Ａ）が、次の成分（Ａ１）：
（Ａ１）アルキル基の炭素数が６〜１０である、アルキルリン酸エステル塩またはポリオキシアルキレンアルキルエーテルリン酸エステル塩
を含有し、
前記成分（Ａ）に対する前記成分（Ｂ）の質量比（Ｂ）／（Ａ）が１未満である不織布用繊維処理剤。 The following components (A) and (B) :
(A) Polyhydric alcohol fatty acid ester, polyoxyalkylene polyhydric alcohol fatty acid ester having a melting point of 34 to 90 ° C. (B) at least one selected from alkyl phosphoric acid ester salts and polyoxyalkylene alkyl ether phosphoric acid ester salts And at least one selected from natural waxes ,
The component (A) is the following component (A1):
(A1) Alkyl phosphate ester salt or polyoxyalkylene alkyl ether phosphate ester salt, wherein the alkyl group has 6 to 10 carbon atoms
Containing
A fiber treatment agent for nonwoven fabrics, wherein the mass ratio (B) / (A) of the component (B) to the component (A) is less than 1 .
（Ａ２）アルキル基の炭素数が１１以上である、アルキルリン酸エステル塩またはポリオキシアルキレンアルキルエーテルリン酸エステル塩 The fiber treatment agent for nonwoven fabrics according to claim 1 , wherein the component (A) further contains the following component (A2).
(A2) Alkyl phosphate ester salt or polyoxyalkylene alkyl ether phosphate ester salt, wherein the alkyl group has 11 or more carbon atoms
（Ｂ）融点が１５℃以上である、多価アルコール脂肪酸エステル、ポリオキシアルキレン多価アルコール脂肪酸エステルおよび天然由来ワックスから選ばれる少なくとも１種を不織布用繊維処理剤に含有させる、不織布用繊維処理剤の転写を抑制する方法。 (A) The said adhesion-treated process in the article | item using the nonwoven fabric which carried out the adhesion process of the fiber with the fiber processing agent for nonwoven fabrics containing at least 1 sort (s) chosen from the alkyl phosphate ester salt and the polyoxyalkylene alkyl ether phosphate ester salt A method for suppressing transcription of the agent to other sites,
(B) A nonwoven fabric fiber treatment agent containing at least one selected from a polyhydric alcohol fatty acid ester, a polyoxyalkylene polyhydric alcohol fatty acid ester and a naturally derived wax, having a melting point of 15 ° C. or higher. To suppress the transcription of DNA.
（Ａ１）アルキル基の炭素数が６〜１０である、アルキルリン酸エステル塩またはポリオキシアルキレンアルキルエーテルリン酸エステル塩(A1) Alkyl phosphate ester salt or polyoxyalkylene alkyl ether phosphate ester salt, wherein the alkyl group has 6 to 10 carbon atoms
を含有し、Containing
前記成分（Ａ）に対する前記成分（Ｂ）の質量比（Ｂ）／（Ａ）が１未満である請求項５〜８のいずれか一項に記載の方法。The method according to any one of claims 5 to 8, wherein the mass ratio (B) / (A) of the component (B) to the component (A) is less than 1.
（Ａ２）アルキル基の炭素数が１１以上である、アルキルリン酸エステル塩またはポリオキシアルキレンアルキルエーテルリン酸エステル塩(A2) Alkyl phosphate ester salt or polyoxyalkylene alkyl ether phosphate ester salt, wherein the alkyl group has 11 or more carbon atoms
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| JP2017136374A JP6291617B1 (en) | 2017-07-12 | 2017-07-12 | Non-woven fabric fiber treatment agent and non-woven fabric using the same |
| EP18832878.5A EP3653784A4 (en) | 2017-07-12 | 2018-07-12 | Fiber treatment agent for non-woven fabrics, and non-woven fabric using same |
| PCT/JP2018/026302 WO2019013277A1 (en) | 2017-07-12 | 2018-07-12 | Fiber treatment agent for non-woven fabrics, and non-woven fabric using same |
| CN201880046916.7A CN110892108B (en) | 2017-07-12 | 2018-07-12 | Fiber treatment agent for nonwoven fabric and nonwoven fabric using same |
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| CN113373687A (en) * | 2020-02-25 | 2021-09-10 | 三吉油脂株式会社 | Agent for treating artificial silk ear barrel and artificial silk ear barrel using same |
| 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 |
| CN113980723A (en) * | 2021-10-08 | 2022-01-28 | 江苏悦孚油品有限公司 | Antistatic reagent for hot box of elasticizer and preparation method thereof |
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| JP4520631B2 (en) * | 2000-11-22 | 2010-08-11 | 松本油脂製薬株式会社 | Durable water permeability-imparting agent and its fiber |
| JP2004076165A (en) | 2002-08-09 | 2004-03-11 | Toyobo Co Ltd | Fiber for sanitary material and nonwoven fabric using the same |
| JP5159534B2 (en) * | 2008-09-18 | 2013-03-06 | 松本油脂製薬株式会社 | Water permeability imparting agent, water permeable fiber to which it is attached, and method for producing nonwoven fabric |
| WO2011004713A1 (en) * | 2009-07-09 | 2011-01-13 | 松本油脂製薬株式会社 | Water permeability-imparting agent, water-permeable fiber to which the water permeability-imparting agent is applied, and method for producing nonwoven fabric |
| JP5469429B2 (en) * | 2009-10-21 | 2014-04-16 | ダイワボウホールディングス株式会社 | Hydrophilic fiber and method for producing the same, and fiber assembly using the same |
| JP5679895B2 (en) * | 2011-04-28 | 2015-03-04 | Ｅｓファイバービジョンズ株式会社 | Fiber with improved discoloration resistance, and fiber molded body comprising the same |
| JP6170815B2 (en) | 2013-11-14 | 2017-07-26 | 花王株式会社 | Non-woven |
| WO2016002476A1 (en) * | 2014-06-30 | 2016-01-07 | 松本油脂製薬株式会社 | Fiber-treating agent, water-permeable fiber having same attached thereto, and method for producing non-woven fabric |
| WO2016068063A1 (en) | 2014-10-31 | 2016-05-06 | 松本油脂製薬株式会社 | Fiber treatment agent, water-permeable fiber having same applied thereto, and method for producing nonwoven fabric |
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| CN110892108A (en) | 2020-03-17 |
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| WO2019013277A1 (en) | 2019-01-17 |
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