JP4716414B2 - Fiber treatment agent for nonwoven fabric of sanitary products and fiber treatment method for nonwoven fabric of sanitary products - Google Patents
Fiber treatment agent for nonwoven fabric of sanitary products and fiber treatment method for nonwoven fabric of sanitary products Download PDFInfo
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- JP4716414B2 JP4716414B2 JP2005243701A JP2005243701A JP4716414B2 JP 4716414 B2 JP4716414 B2 JP 4716414B2 JP 2005243701 A JP2005243701 A JP 2005243701A JP 2005243701 A JP2005243701 A JP 2005243701A JP 4716414 B2 JP4716414 B2 JP 4716414B2
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- 239000003795 chemical substances by application Substances 0.000 title claims description 56
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- 239000002736 nonionic surfactant Substances 0.000 claims description 11
- 239000003945 anionic surfactant Substances 0.000 claims description 9
- 239000012190 activator Substances 0.000 claims description 2
- 238000003672 processing method Methods 0.000 claims description 2
- 239000004753 textile Substances 0.000 claims description 2
- 125000000129 anionic group Chemical group 0.000 claims 1
- 239000002563 ionic surfactant Substances 0.000 claims 1
- -1 generally Substances 0.000 description 30
- 244000215068 Acacia senegal Species 0.000 description 18
- 229920000084 Gum arabic Polymers 0.000 description 18
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- 230000000052 comparative effect Effects 0.000 description 16
- 229920000742 Cotton Polymers 0.000 description 14
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- 239000007764 o/w emulsion Substances 0.000 description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
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- 235000014113 dietary fatty acids Nutrition 0.000 description 6
- 239000000194 fatty acid Substances 0.000 description 6
- 229930195729 fatty acid Natural products 0.000 description 6
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 description 5
- 239000002131 composite material Substances 0.000 description 5
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- 235000011076 sorbitan monostearate Nutrition 0.000 description 5
- 229940035048 sorbitan monostearate Drugs 0.000 description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- BWIIMRFKCNBWEH-UHFFFAOYSA-L dipotassium;octadecyl phosphate Chemical compound [K+].[K+].CCCCCCCCCCCCCCCCCCOP([O-])([O-])=O BWIIMRFKCNBWEH-UHFFFAOYSA-L 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011591 potassium Substances 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- 229920002994 synthetic fiber Polymers 0.000 description 4
- 239000012209 synthetic fiber Substances 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000004203 carnauba wax Substances 0.000 description 3
- 235000013869 carnauba wax Nutrition 0.000 description 3
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 3
- UUWJHAWPCRFDHZ-UHFFFAOYSA-N 1-dodecoxydodecane;phosphoric acid Chemical compound OP(O)(O)=O.CCCCCCCCCCCCOCCCCCCCCCCCC UUWJHAWPCRFDHZ-UHFFFAOYSA-N 0.000 description 2
- SJIDAAGFCNIAJP-UHFFFAOYSA-N 6-methylheptyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCCCCC(C)C SJIDAAGFCNIAJP-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 229920002907 Guar gum Polymers 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 210000001124 body fluid Anatomy 0.000 description 2
- 239000004359 castor oil Substances 0.000 description 2
- 235000019438 castor oil Nutrition 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-M dodecanoate Chemical compound CCCCCCCCCCCC([O-])=O POULHZVOKOAJMA-UHFFFAOYSA-M 0.000 description 2
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 2
- 239000000665 guar gum Substances 0.000 description 2
- 235000010417 guar gum Nutrition 0.000 description 2
- 229960002154 guar gum Drugs 0.000 description 2
- 229940070765 laurate Drugs 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- UHGIMQLJWRAPLT-UHFFFAOYSA-N octadecyl dihydrogen phosphate Chemical compound CCCCCCCCCCCCCCCCCCOP(O)(O)=O UHGIMQLJWRAPLT-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 125000005702 oxyalkylene group Chemical group 0.000 description 2
- 235000021317 phosphate Nutrition 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000010734 process oil Substances 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000001993 wax Chemical class 0.000 description 2
- 239000000230 xanthan gum Substances 0.000 description 2
- 229920001285 xanthan gum Polymers 0.000 description 2
- 235000010493 xanthan gum Nutrition 0.000 description 2
- 229940082509 xanthan gum Drugs 0.000 description 2
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- 201000004624 Dermatitis Diseases 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical class OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
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- 239000006185 dispersion Substances 0.000 description 1
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- 238000004049 embossing Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
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- 230000002209 hydrophobic effect Effects 0.000 description 1
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- 229920000573 polyethylene Polymers 0.000 description 1
- 239000001818 polyoxyethylene sorbitan monostearate Substances 0.000 description 1
- 235000010989 polyoxyethylene sorbitan monostearate Nutrition 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
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Description
本発明は衛生製品の不織布用繊維処理剤及び衛生製品の不織布用繊維処理方法に関する。 The present invention relates to a nonwoven fabric for fiber treatment method of the nonwoven fabric treatment agent and hygiene products hygiene products.
近年、使い捨ておむつや生理用品等の衛生製品には不織布が広く利用されているが、衛生製品の普及に伴いより高機能化への要望が高まり、衛生製品に用いられる不織布にも、様々な機能が要求されるようになっている。このため、異なる機能を付与した不織布を組み合わせて衛生製品を構成するようになっている。例えば体液を吸収する吸収体表面(以下、フェーシング面と呼ぶことがある。)には親水性を付与した不織布を用い、その周囲部分、例えばギャザー部や外装面には、体液の滲出を防止するために撥水性の不織布を用い、これらをホットメルト接着剤等によって張り合わせて衛生製品を構成している。また衛生製品は装用する際に粘着テープ等で固定するように構成されている。従って、衛生製品に使用される不織布には、ホットメルト接着剤や粘着テープとの接着性に優れることが要求される。 In recent years, nonwoven fabrics have been widely used in sanitary products such as disposable diapers and sanitary products. However, with the spread of sanitary products, the demand for higher functionality has increased, and the nonwoven fabrics used in sanitary products have various functions. Is now required. For this reason, hygiene products are configured by combining non-woven fabrics having different functions. For example, a non-woven fabric imparted with hydrophilicity is used on the surface of the absorbent body that absorbs bodily fluid (hereinafter sometimes referred to as a “facing surface”), and exudation of bodily fluids is prevented in the surrounding portion, such as the gathered portion and the exterior surface. Therefore, a water-repellent nonwoven fabric is used, and these are laminated together with a hot melt adhesive or the like to constitute a sanitary product. The sanitary product is configured to be fixed with an adhesive tape or the like when worn. Therefore, the nonwoven fabric used for sanitary products is required to have excellent adhesion to hot melt adhesives and pressure-sensitive adhesive tapes.
衛生材料用の不織布には通常合成樹脂繊維が用いられ、これらは元々撥水性を有しているため、スパンボンド法、メルトブロー法等の直接不織布を形成する工法で形成した不織布は撥水性を有している。しかし、これらの方法で加工された不織布は一般的に固くドレープ性に乏しいため、皮膚接触面に使用すると装着時の快適性に乏しく、摩擦による皮膚炎の遠因となりやすい等の欠点を有している。一方、合成繊維の短繊維を出発原料として、梳綿工程を経た繊維ウェブをエアスルー法、エンボスロール法等で熱融着して形成した不織布は、嵩高な風合いと柔らかい触感が特徴であり、特に衛生材料の皮膚接触面に使用する上で好適な性能を有している。しかし、梳綿工程を安定に通過させ、帯電による紡出ウェブの揺らぎや、巻き付きに起因する地合い不良等が発生しないようにするためには、繊維の摩擦制御や帯電防止性向上が必須であり、帯電防止剤を主体とした工程油剤の賦与が欠かせない。しかし、帯電防止剤は親水性を有するため、帯電防止剤で処理した合成繊維から得た不織布は、合成繊維本来の撥水性が低下する。従って本来高い撥水性を要求する衛生製品の漏れ防止ギャザーや内装辺縁部にエアスルー不織布やエンボス不織布を使用する場合は、帯電防止性と撥水性を両立させる撥水加工剤で処理することにより、原綿に帯電防止性などの工程通過性と撥水性を合わせて付与している。この種の撥水加工剤としては一般に、固体、液体のパラフィン類、鉱油、疎水性の脂肪酸エステルやワックス類、シリコーン化合物やフッ素系の撥水剤が単独または併用され、帯電防止機能のある界面活性剤等により水性エマルジョン化されて使用されている(特許文献1、特許文献2、特許文献3)。 Synthetic resin fibers are usually used for non-woven fabrics for sanitary materials, and these have inherently water repellency. Therefore, non-woven fabrics formed by methods that directly form non-woven fabrics such as the spun bond method and melt blow method have water repellency. is doing. However, non-woven fabrics processed by these methods are generally hard and poorly draped, so when used on the skin contact surface, they have poor comfort when worn, and tend to cause dermatitis due to friction. Yes. On the other hand, a nonwoven fabric formed by heat-sealing a fiber web that has been subjected to a sooting process using an air-through method, an embossing roll method, etc., using synthetic short fibers as a starting material, is characterized by a bulky texture and soft touch, especially It has suitable performance for use on the skin contact surface of sanitary materials. However, it is essential to control the friction of fibers and improve antistatic properties in order to pass the sooting process stably and prevent the spinning web from fluctuating due to electrification and the formation failure due to winding. In addition, it is indispensable to apply a process oil mainly composed of an antistatic agent. However, since the antistatic agent has hydrophilicity, the non-woven fabric obtained from the synthetic fiber treated with the antistatic agent has a reduced water repellency inherent to the synthetic fiber. Therefore, when using an air-through nonwoven fabric or embossed nonwoven fabric for sanitary products that originally require high water repellency, or by using an air-through nonwoven fabric or embossed nonwoven fabric for the interior edge, by treating with a water repellent agent that achieves both antistatic properties and water repellency, The raw cotton is provided with process passability such as antistatic property and water repellency. As this type of water repellent, generally, solid or liquid paraffins, mineral oil, hydrophobic fatty acid esters or waxes, silicone compounds or fluorine-based water repellents are used alone or in combination, and have an antistatic function interface. It is used after being made into an aqueous emulsion with an activator or the like (Patent Document 1, Patent Document 2, Patent Document 3).
しかしながら従来の撥水加工剤で撥水処理した不織布は、表面に撥水加工剤の層が形成されているため他物と接着しても剥離の遠因となるだけでなく、撥水加工剤自体が濡れにくいため接着剤との親和性が悪化して、衛生材料の組み立てや装用に使用するホットメルト接着剤や粘着テープとの接着性低下を招きやすい。このため異なる機能の不織布や吸収体、外装の透湿性フィルムなどの各部材をホットメルト接着剤によって接着して衛生製品を加工する際、この性質が加工上の障害となるだけでなく、固定用粘着テープが使用中に剥離し、衛生製品のずれや脱落など事故の原因となる等の問題があった。ホットメルト接着剤の使用量を増やすことや、粘着テープの面積を大きくすることで接着強度を高める方法は、結果的に衛生製品の剛直性を高めることとなり、設計上の制約が大きくなるだけでなく装着感の低下を招く欠点があった。 However, non-woven fabric that has been water-repellent treated with a conventional water-repellent agent has a water-repellent agent layer formed on the surface, so that not only does it cause separation even when adhered to other materials, but the water-repellent agent itself Since it is difficult to wet, the affinity with the adhesive deteriorates, and the adhesiveness with the hot melt adhesive or pressure-sensitive adhesive tape used for assembling and wearing sanitary materials tends to be reduced. For this reason, when processing sanitary products by bonding non-woven fabrics and absorbent bodies with different functions, moisture-permeable films for exteriors, etc. with hot melt adhesives, this property not only becomes an obstacle to processing, but also for fixing There was a problem that the adhesive tape peeled off during use, causing accidents such as sanitary product slippage and dropout. Increasing the amount of hot melt adhesive used and increasing the adhesive strength by increasing the area of the adhesive tape results in increased rigidity of the sanitary product, which only increases design constraints. There was a fault that caused a decrease in wearing feeling.
本発明は上記の課題に鑑みなされたもので、衛生製品の不織布用繊維に優れた撥水性能を付与できるとともに、処理後の繊維の接着性が低下することがなく、不織布を衛生製品に利用する際のホットメルト接着剤等による不織布同士の接着加工性や、衛生製品を固定するための粘着テープ等との接着性に優れた不織布を得ることのできる衛生製品の不織布用繊維処理剤及び衛生製品の不織布用繊維処理方法を提供することを目的とする。 The present invention has been made in view of the above-mentioned problems, and can impart excellent water repellency to nonwoven fabric fibers of sanitary products, and the nonwoven fabric can be used for sanitary products without lowering the adhesion of the fibers after treatment. hot melt adhesive workability and the nonwoven fabric together by adhesive or the like, non-woven fiber treatment agents and sanitary hygiene products which can be obtained an adhesive excellent in nonwoven with adhesive tape or the like for fixing the sanitary product when It aims at providing the fiber processing method for the nonwoven fabric of a product .
即ち本発明は、
(1)撥水剤及び水溶性天然ガム質を用いる繊維処理剤であって、乳化剤として撥水剤重量の30/70〜40/70重量の陰イオン界面活性剤及び非イオン界面活性剤を、陰イオン界面活性剤:非イオン界面活性剤=90:10〜20:80(重量比)で含む撥水剤の水系エマルジョンよりなる第一液と、水溶性天然ガム質を含む第二液とからなることを特徴とする衛生製品の不織布用繊維処理剤、
(2)撥水剤及び水溶性天然ガム質を用いる繊維処理剤であって、乳化剤として撥水剤重量の30/70〜40/70重量の陰イオン界面活性剤及び非イオン界面活性剤を、陰イオン界面活性剤:非イオン界面活性剤=90:10〜20:80(重量比)で含む撥水剤の水系エマルジョンよりなる第一液と、水溶性天然ガム質を含む第二液とを混合して、重量比で撥水剤:水溶性天然ガム質=95:5〜50:50の割合で含有することを特徴とする衛生製品の不織布用繊維処理剤、
(3)衛生製品の不織布用繊維を、上記(1)の繊維処理剤の第一液で処理した後、第二液で処理し、撥水剤が繊維重量の0.05〜2重量%、水溶性天然ガム質が繊維重量の0.05〜2重量%付着するように処理することを特徴とする衛生製品の不織布用繊維処理方法、
(4)上記(2)の衛生製品の不織布用繊維処理剤により、撥水剤が繊維重量の0.05〜2重量%、水溶性天然ガム質が繊維重量の0.05〜2重量%繊維に付着するように衛生製品の不織布用繊維を処理することを特徴とする衛生製品の不織布用繊維処理方法、
を要旨とする。
That is, the present invention
(1) a textiles treatment agent Ru with water repellent and water-soluble natural gums, anionic surfactants 30 / 70-40 / 70 by weight of the water-repellent agent by weight as an emulsifier and a nonionic surfactant A first liquid composed of an aqueous emulsion of a water repellent containing an anionic surfactant: nonionic surfactant = 90: 10-20: 80 (weight ratio) and a second liquid containing a water-soluble natural gum. A fiber treatment agent for non-woven fabrics of sanitary products, characterized by comprising
(2) A fiber treatment agent using a water repellent and a water-soluble natural gum, and an anionic surfactant and a nonionic surfactant having a water repellent weight of 30/70 to 40/70 weight as an emulsifier, An anionic surfactant: a nonionic surfactant = 90:10 to 20:80 (weight ratio) A first liquid composed of an aqueous emulsion of a water repellent and a second liquid containing a water-soluble natural gum Mixing and containing a water repellent agent: water-soluble natural gum in a weight ratio of 95: 5 to 50:50, a fiber treatment agent for non-woven fabrics of sanitary products ,
(3) After processing the fiber for nonwoven fabric of a sanitary product with the 1st liquid of the fiber processing agent of said (1), it processes with a 2nd liquid, and a water repellent is 0.05 to 2 weight% of fiber weight, A fiber treatment method for a non-woven fabric of a sanitary product, wherein the water-soluble natural gum is treated so as to adhere to 0.05 to 2% by weight of the fiber weight;
(4) The fiber treatment agent for nonwoven fabrics of the sanitary product of (2 ) above, the water repellent is 0.05 to 2% by weight of the fiber weight, and the water-soluble natural gum is 0.05 to 2% by weight of the fiber weight. A method for treating fibers for non-woven fabrics of sanitary products, characterized by treating fibers for non-woven fabrics of sanitary products so as to adhere to
Is the gist.
本発明の衛生製品の不織布用繊維処理剤は、衛生製品の不織布用繊維に優れた撥水性を付与することができるとともに、処理した後に繊維の接着性が損なわれることがない。撥水性が要求される衛生用品用の不織布を、梳綿工程を経て製造する場合、帯電防止性能、摩擦調整性能に加え高い撥水性を賦与する工程油剤で処理することにより、工程通過性能と撥水性を同時に付与している。従来の撥水性賦与工程油剤で処理すると、不織布を接着加工して衛生製品を製造する際のホットメルト接着剤に対する接着性や、衛生製品を固定するための粘着テープとの接着性が低下する欠点があるが、本発明の衛生製品の不織布用繊維処理剤によって処理した場合には、衛生製品の不織布用繊維に優れた撥水性を付与できるとともに、ホットメルト接着剤や粘着テープ等との接着性が阻害されない等の利点を有する。 The fiber treatment agent for nonwoven fabrics of the sanitary product of the present invention can impart excellent water repellency to the fibers for nonwoven fabric of the sanitary product, and the adhesiveness of the fibers is not impaired after the treatment. When manufacturing non-woven fabrics for sanitary goods that require water repellency through a sooting process, by processing with a process oil that imparts high water repellency in addition to antistatic performance and friction adjustment performance, process passing performance and repellency are achieved. Water is added at the same time. Disadvantages of lowering the adhesiveness to hot melt adhesives and adhesive tapes for fixing sanitary products when treated with conventional water-repellent treatment oils to produce sanitary products by bonding nonwoven fabrics However, when treated with the non-woven fabric fiber treatment agent of the sanitary product of the present invention, it can impart excellent water repellency to the non-woven fabric fiber of the hygiene product, and also adheres to hot melt adhesives, adhesive tapes, etc. Has the advantage that it is not inhibited.
本発明において、撥水剤としては液体パラフィン、固体パラフィン、鉱油、脂肪酸エステル、カルナウバワックス等の天然ワックス、酸化ポリエチレンワックス等の合成ワックス類、ジメチルシリコーン、撥水性を有する変性シリコーン等が挙げられる。 In the present invention, examples of the water repellent include natural paraffin such as liquid paraffin, solid paraffin, mineral oil, fatty acid ester, carnauba wax, synthetic waxes such as oxidized polyethylene wax, dimethyl silicone, and modified silicone having water repellency. .
水溶性天然ガム質としては、アラビアガム、グアーガム、キサンタンガム等が挙げられる。これらはいずれも発明の目的を達成できるが、グアーガム、キサンタンガム等は処理剤の希釈時に比較的低濃度から処理液の増粘を来すため、処理剤の製剤や繊維処理時に溶液濃度を上げやすいアラビアガムが特に好適である。 Examples of the water-soluble natural gum include gum arabic, guar gum, and xanthan gum. All of these can achieve the object of the invention, but guar gum, xanthan gum, etc. cause the viscosity of the treatment liquid to increase from a relatively low concentration when the treatment agent is diluted. Gum arabic is particularly suitable.
本発明の繊維処理剤は、撥水剤と水溶性ガム質とを含む一液型や、撥水剤を含む処理液と、水溶性天然ガム質を含む処理液の二液型の、いずれの形態であっても良い。一液型処理剤としては例えば、撥水剤の水系エマルジョン中に水溶性天然ガム質を配合したものが挙げられる。また二液型処理剤としては例えば、撥水剤の水系エマルジョンよりなる第一液と、水溶性天然ガム質を含む第二液とからなるものが挙げられる。 The fiber treatment agent of the present invention is either a one-part type containing a water repellent and a water-soluble gum, or a two-part type consisting of a treatment liquid containing a water repellent and a treatment liquid containing a water-soluble natural gum. Form may be sufficient. Examples of the one-pack type processing agent include a water-repellent aqueous emulsion mixed with a water-soluble natural gum. Examples of the two-pack type treatment agent include a first liquid composed of an aqueous emulsion of a water repellent and a second liquid containing a water-soluble natural gum.
撥水剤の水系エマルジョンは、撥水剤を水中油型に分散させたものであり、一液型処理剤の場合も、二液型処理剤の場合も、通常、撥水剤を水に分散させるに際して乳化剤が使用される。乳化剤としては、アルキル燐酸塩、ポリオキシエチレンアルキルエーテルリン酸塩、アルキル硫酸塩、ポリオキシエチレンアルキルエーテル硫酸塩、アルカンスルホネート、ジアルキルスルホコハク酸塩、脂肪酸塩等の陰イオン系界面活性剤、ポリ(オキシアルキレン)アルキルエーテル、ポリ(オキシアルキレン)脂肪酸エステル、ポリ(オキシエチレン)ソルビタン脂肪酸エステル、ポリ(オキシエチレン)脂肪酸アミド等の非イオン系界面活性剤が用いられる。乳化剤は二種以上を混合して用いることができる。 A water-based emulsion of water repellent is a water-repellent dispersed in an oil-in-water type. Normally, the water repellent is dispersed in water for both one-part and two-part treatment agents. An emulsifier is used in the process. Emulsifiers include anionic surfactants such as alkyl phosphates, polyoxyethylene alkyl ether phosphates, alkyl sulfates, polyoxyethylene alkyl ether sulfates, alkane sulfonates, dialkyl sulfosuccinates, fatty acid salts, poly ( Nonionic surfactants such as oxyalkylene) alkyl ethers, poly (oxyalkylene) fatty acid esters, poly (oxyethylene) sorbitan fatty acid esters, poly (oxyethylene) fatty acid amides are used. Two or more emulsifiers can be mixed and used.
乳化剤の中には繊維に対する帯電防止性付与性能の優れた化合物があり、乳化剤を適宜選択して組み合わせる等により、帯電防止性能を兼ね備えた繊維処理剤とすることができる。特に陰イオン系界面活性剤と非イオン系界面活性剤とを、陰イオン系界面活性剤:非イオン系界面活性剤=90:10〜20:80の割合(重量比)で混合して用いると、帯電防止性と撥水成分の乳化バランス上好ましい。 Among the emulsifiers, there are compounds having excellent antistatic property-imparting performance for fibers. By appropriately selecting and combining the emulsifiers, a fiber treatment agent having antistatic properties can be obtained. In particular, when an anionic surfactant and a nonionic surfactant are mixed and used in a ratio (weight ratio) of anionic surfactant: nonionic surfactant = 90: 10 to 20:80 From the standpoint of antistatic properties and the emulsifying balance of the water repellent component, it is preferable .
撥水剤と水溶性天然ガム質とを含む一液型処理剤の場合、撥水剤と水溶性天然ガム質とを重量比で、撥水剤:水溶性天然ガム質=95:5〜50:50の割合で含有する。また撥水剤を含む第一処理液と、水溶性天然ガム質を含む第二処理液とからなる二液型処理剤の場合、第一処理液と第二処理液を混合してから繊維の処理に用いても良いが、繊維を第一処理液で処理してから第二処理液で処理したり、第二処理液で処理してから第一処理液で処理しても良いが、第一処理液と第二処理液を混合して処理するか、第一処理液で処理してから第二処理液で処理することが好ましい。第一液と第二液とを混合してから処理に用いる場合、撥水剤と水溶性天然ガム質の割合が、上記一液型処理剤中の撥水剤と水溶性天然ガム質との割合と同じ撥水剤:水溶性天然ガム質=95:5〜50:50の割合となるように第一液と第二液を混合する。 In the case of a one-pack type treatment agent containing a water repellent and a water-soluble natural gum, the water repellent and the water-soluble natural gum are in a weight ratio, and the water repellent: water-soluble natural gum is 95: 5 to 50. : it contained in a proportion of 50. In the case of a two-pack type treatment agent comprising a first treatment liquid containing a water repellent and a second treatment liquid containing a water-soluble natural gum, the first treatment liquid and the second treatment liquid are mixed before the fiber treatment. Although it may be used for the treatment, the fiber may be treated with the first treatment liquid and then with the second treatment liquid, or with the second treatment liquid and then with the first treatment liquid. It is preferable that the one treatment liquid and the second treatment liquid are mixed and processed, or the first treatment liquid is used and then the second treatment liquid is used. When the first liquid and the second liquid are mixed before use in the treatment, the ratio of the water repellent and the water-soluble natural gum is such that the water repellent and the water-soluble natural gum in the one-pack type treatment ratio equal water repellent: water soluble natural gum = 95: 5 to 50: so that the 50 proportion of you mixed first liquid and the second liquid.
本発明の繊維処理剤は、撥水剤、水溶性天然ガム質、乳化剤以外にプロピレングリコール、グリセリン、ブチルグリコール等の副成分を含有しているものであっても良い。これらの副成分は処理剤の重量に対し、0〜30重量%程度の割合で用いることが好ましい。これら副成分を二液型処理剤に配合する場合、撥水剤を含有する処理液に添加しても、水溶性天然ガム質を含有する処理液に添加しても良いが、通常、水に不溶性の副成分は撥水剤を含有する処理液に、水溶性の副成分は水溶性天然ガム質を含有する処理液に添加する。また第一液と第二液を混合してから使用する場合、両者を混合した後に副成分を添加しても良い。 The fiber treatment agent of the present invention may contain subcomponents such as propylene glycol, glycerin and butyl glycol in addition to the water repellent, water-soluble natural gum and emulsifier. These subcomponents are preferably used in a proportion of about 0 to 30% by weight based on the weight of the treatment agent. When these subcomponents are blended in a two-component processing agent, it may be added to a processing solution containing a water repellent or a processing solution containing a water-soluble natural gum, but usually in water. The insoluble subcomponent is added to the treatment liquid containing the water repellent, and the water-soluble subcomponent is added to the treatment liquid containing the water-soluble natural gum. Moreover, when using after mixing a 1st liquid and a 2nd liquid, you may add a subcomponent after mixing both.
本発明の繊維処理剤による繊維処理方法としては、本発明の繊維処理剤を含む処理浴に繊維を浸漬する方法、シャワーで繊維束に噴霧する方法、処理液を給油ロールなどに塗布して繊維束に転写する方法等が挙げられる。本発明の繊維処理剤により好適に処理可能な繊維としては、熱可塑性を有する合成繊維、例えばポリエチレン、ポリプロピレン等のオレフィン系合成繊維、ポリエステル、ナイロンなどが挙げられる。更に、ポリオレフィン系合成樹脂を外殻に持ち、ポリオレフィン、ポリエステル、ナイロンなどを内部構造として形成される芯鞘型の複合繊維が好適に用いられる。 The fiber treatment method using the fiber treatment agent of the present invention includes a method of immersing fibers in a treatment bath containing the fiber treatment agent of the present invention, a method of spraying on a fiber bundle in a shower, a fiber by applying a treatment liquid to an oil supply roll or the like. For example, a method of transferring to a bundle. Examples of fibers that can be suitably treated with the fiber treating agent of the present invention include thermoplastic synthetic fibers, for example, olefinic synthetic fibers such as polyethylene and polypropylene, polyester, and nylon. Furthermore, a core-sheath type composite fiber having a polyolefin-based synthetic resin in the outer shell and formed of polyolefin, polyester, nylon or the like as an internal structure is preferably used.
本発明の繊維処理剤を用いた繊維処理方法では、撥水剤が繊維重量の0.05〜2重量%、水溶性天然ガム質が繊維重量の0.05〜2重量%付着するように処理するが、撥水剤が繊維重量の0.2〜1重量%、水溶性天然ガム質が繊維重量の0.1〜0.5重量%付着するように処理することが好ましい。撥水剤、水溶性天然ガム質の繊維に対する付着量は、繊維処理に用いる処理液の濃度、処理液への繊維の浸漬時間、絞りロール、遠心脱水機等による絞り率等の処理条件により調節することができる。 In the fiber treatment method using the fiber treatment agent of the present invention, the treatment is performed so that the water repellent is attached to 0.05 to 2% by weight of the fiber weight and the water-soluble natural gum is attached to 0.05 to 2% by weight of the fiber weight. However, it is preferable to treat so that the water repellent is attached to 0.2 to 1% by weight of the fiber weight and the water-soluble natural gum is attached to 0.1 to 0.5% by weight of the fiber weight. The amount of water repellent and water-soluble natural gums attached to the fiber is adjusted according to the processing conditions such as the concentration of the processing solution used for fiber processing, the fiber immersion time in the processing solution, the squeezing rate using a squeeze roll, centrifugal dehydrator, etc. can do.
以下、実施例を挙げて本発明を更に詳細に説明する。
実施例1、比較例1
撥水剤として125°F固形パラフィン70重量部を、乳化剤兼帯電防止剤として、ポリオキシエチレン(20モル)ソルビタンモノステアレート20重量部、ソルビタンモノステアレート10重量部、及びステアリルリン酸カリウム10重量部を用いて水260重量部に分散させて水中油型エマルジョンとし、このエマルジョンにアラビアガム10重量部を更に添加したものを実施例1の繊維処理剤とした。またアラビアガムを添加しなかった他は上記と同様にして得た水中油型エマルジョンを比較例1の繊維処理剤とした。これらの繊維処理剤を用い、市販ポリオレフィン系複合繊維(2.2dtex×51mm)原綿に、無水物換算で0.6重量%の処理剤が付着するように処理し、80℃で1時間乾燥させた。処理後の原綿を用い、カード工程通過性、ウェブ引き抜き張力、表面漏洩抵抗、撥水試験を行った。また同様のポリオレフィン系複合繊維の原綿を用いて得た不織布(坪量20g/m2)に、無水物換算で0.6重量%の処理剤を付着させ、80℃で1時間乾燥させた後、テープ接着試験を行った。これらの結果を表1に示す。
Hereinafter, the present invention will be described in more detail with reference to examples.
Example 1 and Comparative Example 1
70 parts by weight of 125 ° F. solid paraffin as a water repellent, 20 parts by weight of polyoxyethylene (20 mol) sorbitan monostearate, 10 parts by weight of sorbitan monostearate and 10 parts of potassium stearyl phosphate as an emulsifier and antistatic agent The fiber treatment agent of Example 1 was obtained by dispersing in 260 parts by weight of water to make an oil-in-water emulsion and further adding 10 parts by weight of gum arabic to this emulsion. An oil-in-water emulsion obtained in the same manner as above except that no gum arabic was added was used as the fiber treatment agent of Comparative Example 1. Using these fiber treatment agents, treat the commercially available polyolefin-based composite fiber (2.2 dtex x 51 mm) raw cotton so that 0.6 wt% of the treatment agent adheres in terms of anhydride, and dry at 80 ° C. for 1 hour. It was. The treated raw cotton was used for card process passability, web drawing tension, surface leakage resistance, and water repellency test. Moreover, after attaching 0.6 weight% of processing agent in conversion of an anhydride to the nonwoven fabric (basis weight 20g / m < 2 >) obtained using the raw material of the same polyolefin-type composite fiber, it was made to dry at 80 degreeC for 1 hour. A tape adhesion test was conducted. These results are shown in Table 1.
上記カード工程通過性、ウェブ引き抜き張力、表面漏洩抵抗、撥水性、テープ接着性は、以下の方法により試験した。 The card process passability, web drawing tension, surface leakage resistance, water repellency, and tape adhesion were tested by the following methods.
カード工程通過性
撥水剤を処理した原綿20gを取り、小型開繊機で開繊の後、小型梳綿機で梳綿した。梳綿は同じ処理原綿に対して2回実施し、2回目の紡出量が15gとなるよう調節した。梳綿時に紡出されるカードウェブの状態を目視で確認、判定した。また、ドッファー通過直後の紡出ウェブに対して集電式電位測定器を用いて梳綿工程での発生電気量を測定した。
Card process passability 20 g of raw cotton treated with a water repellent was taken, opened with a small spreader, and then spread with a small spreader. The soot was applied twice to the same treated raw cotton and adjusted so that the second spinning amount was 15 g. The state of the card web spun at the time of carding was visually confirmed and judged. In addition, the amount of electricity generated in the sooting process was measured on the spun web immediately after passing through the doffer using a collecting potential measuring device.
ウェブ引き抜き張力
約3.8gに調節した5cm×20cmのカードウェブに初期荷重20gを与え、把持長80mm、引っ張り速度毎分20mmで伸張したときの最大張力を、25℃、40%R.H.の温湿度環境下で測定した。
Web drawing tension An initial load of 20 g was applied to a card web of 5 cm × 20 cm adjusted to about 3.8 g, and the maximum tension when stretched at a gripping length of 80 mm and a pulling speed of 20 mm per minute was 25 ° C., 40% R.D. H. Measured in a temperature and humidity environment.
表面漏洩抵抗
約8cm×10cmに裁断した3.8gのカードウェブをガラス板の上に置き、高抵抗計で試料の表面漏洩抵抗を25℃、40%R.H.の温湿度環境下で測定した。
Surface Leakage Resistance A 3.8 g card web cut to about 8 cm × 10 cm was placed on a glass plate, and the surface leakage resistance of the sample was measured at 25 ° C. and 40% R.D. H. Measured in a temperature and humidity environment.
撥水性(沈降法)
ポリ(オキシエチレン)ポリ(オキシプロピレン)エーテルを0.1重量%添加して表面張力が40mN/mとなるよう調整したイオン交換水200mlの中に、小さく丸めた処理原綿0.5gを液面上2cmの高さから落下させ、着水から完全に水中に没するまでに要する時間を測定した。
Water repellency (precipitation method)
0.5 g of the treated raw cotton rounded into 200 ml of ion-exchanged water adjusted to have a surface tension of 40 mN / m by adding 0.1% by weight of poly (oxyethylene) poly (oxypropylene) ether to the liquid surface It was dropped from a height of 2 cm above, and the time required to completely submerge from landing was measured.
テープ接着性
両端に厚紙を固定した長さ20×幅23mmの、粘着面を露出した粘着テープに、幅23mm×長さ300mmに裁断した不織布の中央部を、粘着面上部より荷重400gを1分間与えて接着する。不織布の両末端を揃えて引っ張り試験器の上端把手に固定、粘着テープを固定した厚紙の両端を揃えて引っ張り試験機の下端把手に固定して、毎分20mmで伸張して接着面の剥離を行ったときの最大張力を25℃、40%R.H.の温湿度環境下で測定した。
Tape adhesiveness The center part of the nonwoven fabric cut into a width of 23mm x length of 300mm on an adhesive tape with an adhesive face exposed 20cm wide and 23mm wide with thick paper fixed at both ends. Load 400g from the upper part of the adhesive face for 1 minute. Give and glue. Align both ends of the nonwoven fabric and fix it to the upper end handle of the tensile tester, align both ends of the cardboard with adhesive tape fixed and fix it to the lower end handle of the tensile tester, and stretch at 20 mm per minute to peel off the adhesive surface The maximum tension when performed was 25 ° C. and 40% R.V. H. Measured in a temperature and humidity environment.
実施例2、比較例2
撥水剤としてイソオクチルステアレート70重量部を、乳化剤兼帯電防止剤として、ポリオキシエチレン(25モル)硬化ひまし油エーテル10重量部、ポリオキシエチレン(20モル)ソルビタンモノステアレート10重量部、及びステアリルリン酸カリウム10重量部を用いて水260重量部に分散させて水中油型エマルジョンとし、このエマルジョンにアラビアガム10重量部を更に添加したものを実施例2の繊維処理剤とした。またアラビアガムを添加しなかった他は上記と同様にして得た水中油型エマルジョンを比較例2の繊維処理剤とした。これらの繊維処理剤を用い、実施例1で用いたと同様に処理した原綿のカード工程通過性、ウェブ引き抜き張力、表面漏洩抵抗、撥水性試験及び不織布のテープ接着試験を行った。結果を表1にあわせて示す。
Example 2 and Comparative Example 2
70 parts by weight of isooctyl stearate as a water repellent, 10 parts by weight of polyoxyethylene (25 mol) hardened castor oil ether, 10 parts by weight of polyoxyethylene (20 mol) sorbitan monostearate as an emulsifier and antistatic agent, and A fiber treatment agent of Example 2 was obtained by dispersing 10 parts by weight of potassium stearyl phosphate in 260 parts by weight of water to obtain an oil-in-water emulsion, and further adding 10 parts by weight of gum arabic to this emulsion. An oil-in-water emulsion obtained in the same manner as above except that no gum arabic was added was used as the fiber treatment agent of Comparative Example 2. Using these fiber treatment agents, raw cotton treated in the same manner as in Example 1 was subjected to card process passability, web drawing tension, surface leakage resistance, water repellency test, and non-woven fabric tape adhesion test. The results are shown in Table 1.
実施例3、比較例3
撥水剤として、カルナウバワックス70重量部を、乳化剤兼帯電防止剤として、ラウリン酸ジエタノールアミド15重量部、及びポリオキシエチレン(7モル)ラウリルエーテル燐酸カリウム15重量部を用いて水230重量部に分散させて水中油型エマルジョンとし、このエマルジョンにアラビアガム20重量部を更に添加したものを実施例3の繊維処理剤とした。またアラビアガムを添加しなかった他は上記と同様にして得た水中油型エマルジョンを比較例3の繊維処理剤とした。これらの繊維処理剤を用い、実施例1で用いたと同様に処理した原綿のカード工程通過性、ウェブ引き抜き張力、表面漏洩抵抗、撥水性試験及び不織布のテープ接着試験を行った。結果を表1にあわせて示す。
Example 3 and Comparative Example 3
As a water repellent, 70 parts by weight of carnauba wax, as an emulsifier / antistatic agent, 15 parts by weight of diethanolamide laurate and 15 parts by weight of polyoxyethylene (7 mol) potassium lauryl ether phosphate, 230 parts by weight of water The fiber treatment agent of Example 3 was prepared by adding 20 parts by weight of gum arabic to this emulsion. An oil-in-water emulsion obtained in the same manner as above except that no gum arabic was added was used as the fiber treatment agent of Comparative Example 3. Using these fiber treatment agents, raw cotton treated in the same manner as in Example 1 was subjected to card process passability, web drawing tension, surface leakage resistance, water repellency test, and non-woven fabric tape adhesion test. The results are shown in Table 1.
実施例4、比較例4
撥水剤としてジメチルシリコーン(粘度20,000mm2/s)70重量部を、乳化剤兼帯電防止剤として、アルキルベンゼンスルホン酸ナトリウム塩10重量部、ポリオキシエチレンアルキルフェニルエーテル10重量部、及びステアリルリン酸カリウム10重量部を用いて水567重量部に分散させて水中油型エマルジョンとし、このエマルジョンにアラビアガム10重量部を更に添加したものを実施例4の繊維処理剤とした。またアラビアガムを添加しなかった他は上記と同様にして得た水中油型エマルジョンを比較例4の繊維処理剤とした。これらの繊維処理剤を用い、実施例1で用いたと同様に処理した原綿のカード工程通過性、ウェブ引き抜き張力、表面漏洩抵抗、撥水性試験及び不織布のテープ接着試験を行った。結果を表1にあわせて示す。
Example 4 and Comparative Example 4
70 parts by weight of dimethyl silicone (viscosity 20,000 mm 2 / s) as a water repellent, 10 parts by weight of alkylbenzenesulfonic acid sodium salt, 10 parts by weight of polyoxyethylene alkylphenyl ether, and stearyl phosphate as an emulsifier and antistatic agent A fiber treatment agent of Example 4 was prepared by dispersing 10 parts by weight of potassium in 567 parts by weight of water to obtain an oil-in-water emulsion, and further adding 10 parts by weight of gum arabic to this emulsion. An oil-in-water emulsion obtained in the same manner as above except that no gum arabic was added was used as the fiber treatment agent of Comparative Example 4. Using these fiber treatment agents, raw cotton treated in the same manner as in Example 1 was subjected to card process passability, web drawing tension, surface leakage resistance, water repellency test, and non-woven fabric tape adhesion test. The results are shown in Table 1.
実施例5、比較例5
撥水剤として125°F固形パラフィン70重量部を、乳化剤兼帯電防止剤として、ポリオキシエチレンソルビタンモノステアレート20重量部、ソルビタンモノステアレート10重量部、及びステアリルリン酸カリウム10重量部を用いて水260重量部に分散させて水中油型エマルジョンとしたものを第一処理液、アラビアガムの10重量%水溶液を第二処理液とし、実施例1と同様のポリオレフィン複合繊維の原綿を、繊維重量の0.6重量%の固形パラフィンが付着するように第一処理液で処理し、次いで繊維重量の0.06重量%のアラビアガムが付着するように第二処理液で処理した後、80℃で1時間乾燥させたものを実施例5とした。また第一処理液で同様に処理した後、第二処理液による処理を行わなかったものを比較例5とした。実施例1と同様にして、処理後の原綿のカード工程通過性、ウェブ引き抜き張力、表面漏洩抵抗、撥水性試験及び不織布のテープ接着試験を行った。結果を表2にあわせて示す。
Example 5, Comparative Example 5
Using 70 parts by weight of 125 ° F. solid paraffin as the water repellent, 20 parts by weight of polyoxyethylene sorbitan monostearate, 10 parts by weight of sorbitan monostearate, and 10 parts by weight of potassium stearyl phosphate as the emulsifier and antistatic agent Then, a dispersion of 260 parts by weight of water to form an oil-in-water emulsion is used as the first treatment liquid, and a 10% by weight aqueous solution of gum arabic is used as the second treatment liquid. After treatment with the first treatment liquid so that 0.6% by weight of solid paraffin adheres, and then with the second treatment liquid so that 0.06% by weight of gum arabic adheres, 80 A product dried at 1 ° C. for 1 hour was defined as Example 5. Moreover, after processing with the 1st process liquid similarly, the thing which did not process with the 2nd process liquid was made into the comparative example 5. In the same manner as in Example 1, the raw cotton after the treatment was subjected to card process passability, web drawing tension, surface leakage resistance, water repellency test and nonwoven fabric tape adhesion test. The results are shown in Table 2.
実施例6、比較例6
撥水剤としてイソオクチルステアレート70重量部を、乳化剤兼帯電防止剤として、ポリオキシエチレン(25モル)硬化ひまし油エーテル10重量部、ポリオキシエチレン(20モル)ソルビタンモノステアレート10重量部、及びステアリルリン酸カリウム10重量部を用いて水260重量部に分散させて水中油型エマルジョンとしたものを第一処理液、アラビアガムの10重量%水溶液を第二処理液とし、実施例1と同様のポリオレフィン複合繊維の原綿を、繊維重量の0.6重量%の撥水処理剤が付着するように第一処理液で処理し、次いで繊維重量の0.06重量%のアラビアガムが付着するように第二処理液で処理した後、80℃で1時間乾燥させたものを実施例6とした。また第一処理液で同様に処理した後、第二処理液による処理を行わなかったものを比較例6とした。実施例1と同様にして、処理後の原綿のカード工程通過性、ウェブ引き抜き張力、表面漏洩抵抗、撥水性試験及び不織布のテープ接着試験を行った。結果を表2にあわせて示す。
Example 6 and Comparative Example 6
70 parts by weight of isooctyl stearate as a water repellent, 10 parts by weight of polyoxyethylene (25 mol) hardened castor oil ether, 10 parts by weight of polyoxyethylene (20 mol) sorbitan monostearate as an emulsifier and antistatic agent, and The same as in Example 1 except that 10 parts by weight of potassium stearyl phosphate was dispersed in 260 parts by weight of water to give an oil-in-water emulsion, and the 10% by weight aqueous solution of gum arabic was the second treatment liquid. The raw fiber of polyolefin composite fiber is treated with the first treatment liquid so that the water repellent treatment agent of 0.6% by weight of the fiber adheres, and then gum arabic of 0.06% by weight of the fiber adheres. Example 6 was treated with the second treatment liquid and then dried at 80 ° C. for 1 hour. Moreover, after processing with the 1st process liquid similarly, the thing which did not process with the 2nd process liquid was made into the comparative example 6. In the same manner as in Example 1, the raw cotton after the treatment was subjected to card process passability, web drawing tension, surface leakage resistance, water repellency test and nonwoven fabric tape adhesion test. The results are shown in Table 2.
実施例7、比較例7
撥水剤として、カルナウバワックス70重量部を、乳化剤兼帯電防止剤として、ラウリン酸ジエタノールアミド20重量部、及びポリオキシエチレン(7モル)ラウリルエーテルリン酸カリウム15重量部を用いて水230重量部に分散させて水中油型エマルジョンとしたものを第一処理液、アラビアガムの10重量%水溶液を第二処理液とし、実施例1と同様のポリオレフィン複合繊維の原綿を、繊維重量の0.6重量%の撥水処理剤が付着するように第一処理液で処理し、次いで繊維重量の0.06重量%のアラビアガムが付着するように第二処理液で処理した後、80℃で1時間乾燥させたものを実施例7とした。また第二処理液による処理を行わず、第一処理液のみにより上記と同様に処理したものを比較例7とした。実施例1と同様にして、処理後の原綿のカード工程通過性、ウェブ引き抜き張力、表面漏洩抵抗、撥水性試験及び不織布のテープ接着試験を行った。結果を表2にあわせて示す。
Example 7 and Comparative Example 7
As a water repellent, 70 parts by weight of carnauba wax, as an emulsifier and antistatic agent, 20 parts by weight of diethanolamide laurate and 15 parts by weight of polyoxyethylene (7 mol) potassium lauryl ether phosphate, 230 parts by weight of water An oil-in-water emulsion dispersed in a part is used as a first treatment liquid, and a 10% by weight aqueous solution of gum arabic is used as a second treatment liquid. After the treatment with the first treatment solution so that 6% by weight of the water repellent treatment agent adheres, and then with the second treatment solution so that 0.06% by weight of the gum arabic adheres, at 80 ° C. What was dried for 1 hour was defined as Example 7. Further, Comparative Example 7 was prepared by performing the same treatment as above only with the first treatment liquid without performing the treatment with the second treatment liquid. In the same manner as in Example 1, the raw cotton after the treatment was subjected to card process passability, web drawing tension, surface leakage resistance, water repellency test and nonwoven fabric tape adhesion test. The results are shown in Table 2.
実施例8、比較例8
撥水剤としてジメチルシリコーン(粘度20,000mm2/s)70重量部を、乳化剤兼帯電防止剤として、アルキルベンゼンスルホン酸ナトリウム塩10重量部、ポリオキシエチレンアルキルフェニルエーテル10重量部、及びステアリルリン酸カリウム10重量部を用いて水567重量部に分散させて水中油型エマルジョンとしたものを第一処理液、アラビアガムの10重量%水溶液を第二処理液とし、実施例1と同様のポリオレフィン複合繊維の原綿を、撥水処理剤が繊維重量の0.6重量%の付着するように第一処理液で処理し、次いで繊維重量の0.06重量%のアラビアガムが付着するように第二処理液で処理した後、80℃で1時間乾燥させたものを実施例8とした。また第二処理液による処理を行わず、第一処理液のみにより上記と同様に処理したものを比較例8とした。実施例1と同様にして、処理後の原綿のカード工程通過性、ウェブ引き抜き張力、表面漏洩抵抗、撥水性試験及び不織布のテープ接着試験を行った。結果を表2にあわせて示す。
Example 8 and Comparative Example 8
70 parts by weight of dimethyl silicone (viscosity 20,000 mm 2 / s) as a water repellent, 10 parts by weight of alkylbenzenesulfonic acid sodium salt, 10 parts by weight of polyoxyethylene alkylphenyl ether, and stearyl phosphate as an emulsifier and antistatic agent The same polyolefin composite as in Example 1, with 10 parts by weight of potassium dispersed in 567 parts by weight of water as an oil-in-water emulsion as the first treatment liquid and 10% by weight aqueous solution of gum arabic as the second treatment liquid The fiber raw cotton is treated with the first treatment solution so that the water repellent treatment agent adheres to 0.6% by weight of the fiber weight, and then the second so that 0.06% by weight of gum arabic adheres to the fiber weight. Example 8 was treated with the treatment liquid and dried at 80 ° C. for 1 hour. Further, Comparative Example 8 was prepared by performing the same treatment as above only with the first treatment liquid without performing the treatment with the second treatment liquid. In the same manner as in Example 1, the raw cotton after the treatment was subjected to card process passability, web drawing tension, surface leakage resistance, water repellency test and nonwoven fabric tape adhesion test. The results are shown in Table 2.
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