JP3048431B2 - Method for producing antibacterial antifungal deodorant long fiber and method for producing antibacterial antifungal deodorant long fiber nonwoven fabric - Google Patents

Method for producing antibacterial antifungal deodorant long fiber and method for producing antibacterial antifungal deodorant long fiber nonwoven fabric

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Publication number
JP3048431B2
JP3048431B2 JP3208350A JP20835091A JP3048431B2 JP 3048431 B2 JP3048431 B2 JP 3048431B2 JP 3208350 A JP3208350 A JP 3208350A JP 20835091 A JP20835091 A JP 20835091A JP 3048431 B2 JP3048431 B2 JP 3048431B2
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JP
Japan
Prior art keywords
chitosan
nonwoven fabric
long fiber
antibacterial
aqueous solution
Prior art date
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Expired - Fee Related
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JP3208350A
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Japanese (ja)
Other versions
JPH0544165A (en
Inventor
広司 田中
孝二 江崎
信夫 野口
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Unitika Ltd
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Unitika Ltd
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Publication of JPH0544165A publication Critical patent/JPH0544165A/en
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  • Treatment Of Fiber Materials (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Treatment Of Fibers During Manufacturing Processes (AREA)
  • Nonwoven Fabrics (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は抗菌性、抗カビ性および
防臭性を有し、肌着、靴下などの一般衣料材、病院用ベ
ッドシーツ、包帯、パップ材基布およびおむつなどの医
療衛生材、マクラカバー、手袋、タオル、エプロンなど
の生活関連材、シーツ、布団カバーなどの寝装材、食品
包装材、ティーバッグ、使い捨てカイロなどの生活関連
資材として好適に使用することができる抗菌抗カビ防臭
性長繊維の製造方法および抗菌抗カビ防臭性長繊維不織
布の製造方法に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has antibacterial, antifungal and deodorant properties, and is used for general clothing materials such as underwear and socks, hospital bed sheets, bandages, napkin base cloth and diapers. Antibacterial and antifungal which can be suitably used as living related materials such as mache cover, gloves, towels, aprons, bedding materials such as sheets and futon covers, food packaging materials, tea bags, disposable warmers etc. Deodorant
The present invention relates to a method for producing a functional long fiber and a method for producing an antibacterial, antifungal, and deodorizing long-fiber nonwoven fabric.

【0002】[0002]

【0003】[0003]

【従来の技術】近年、健康的で快適な生活環境作りの必
要性から、抗菌防臭加工を施した繊維製品が数多く提案
されている。
2. Description of the Related Art In recent years, there has been proposed a large number of antibacterial and deodorant textile products because of the necessity of creating a healthy and comfortable living environment.

【0004】例えば、特公昭63-54013号公報、特開昭63
-175117 号公報、特開平1-250413号公報には、ゼオライ
トに担持させた抗菌性金属(Ag、Cu、Zn)のイオ
ン的解離により抗菌性を付与することが提案されてい
る。また、抗菌性を付与するためにビグアナイト誘導
体、有機シリコン系第四級アンモニウム塩などの各種抗
菌剤を繊維や布帛に塗付する方法も提案されている。
[0004] For example, Japanese Patent Publication No. 63-54013,
Japanese Patent Application Laid-Open No. 175117/1990 and Japanese Patent Application Laid-Open No. 1-250413 propose that an antibacterial property is imparted by ionic dissociation of an antibacterial metal (Ag, Cu, Zn) supported on zeolite. Further, a method of applying various antibacterial agents such as a biguanite derivative and an organosilicon-based quaternary ammonium salt to a fiber or a fabric in order to impart antibacterial properties has been proposed.

【0005】しかしながら、これらの方法にはいずれも
使用する用途によっては人体、特に新生児などの皮膚の
弱い者に対し衛生上問題がある。そこで、近年、人体に
対する毒性が無く極めて安全性の高いキトサンまたはキ
トサン誘導体を抗菌製品に適用しようとする試みがなさ
れている。キトサンの抗菌性を利用した製品としては、
例えば、特開昭62-83875号公報、特開昭63-102623 号公
報にキトサンが付与されたフィルムおよび漁網が提案さ
れている。上記キトサンの安全性についてはキトサンを
含むキチン質がカニ、エビ、昆虫あるいは茸などの農産
物として食用に供されてきた実績からも裏付けられてい
る。また、最近ダイエット食品への添加が行なわれ厚生
省がまとめた天然食品添加物リストにも掲載されてい
る。また、キトサンの構成単位であるD−グルコサミン
は体内で生理機能を担う構成物質として存在し、代謝機
能が備わっていることが知られている。さらに、マウ
ス、ラットによる一般毒性、局所毒性の検索においても
急性毒性、変異原性はみられず、人パッチテストにおい
てもほとんど無刺激性であることが報告されている。
[0005] However, these methods have a hygiene problem for a human body, especially for a person with weak skin such as a newborn baby, depending on the intended use. Therefore, in recent years, attempts have been made to apply chitosan or a chitosan derivative, which has no toxicity to the human body and is extremely safe, to antibacterial products. Products using the antibacterial properties of chitosan include:
For example, JP-A-62-83875 and JP-A-63-102623 propose a film and a fishing net to which chitosan is added. The safety of chitosan is supported by the track record that chitin containing chitosan has been edible as an agricultural product such as crab, shrimp, insect or mushroom. It has also recently been added to diet foods and is listed on the list of natural food additives compiled by the Ministry of Health and Welfare. It is known that D-glucosamine, which is a constituent unit of chitosan, exists as a constituent substance having a physiological function in the body and has a metabolic function. Furthermore, no acute toxicity or mutagenicity was observed in the search for general toxicity and local toxicity in mice and rats, and it was reported that the substance was almost non-irritating even in human patch tests.

【0006】ところが、上記従来例は一般衣料材や医療
衛生材など、人体に直接触れるものに適用されるもので
はなかった。さらに、キチンの無機酸塩を含む抗菌性繊
維製品も提案されているが、使用される無機酸としては
例えば塩酸、硫酸、燐酸、硝酸などであり、いずれも酸
性度が非常に高く、工業的に使用する場合、取り扱いに
注意しなければならないし、廃液の処理が高価になると
いう問題がある。
[0006] However, the above-mentioned conventional example has not been applied to materials that directly touch the human body, such as general clothing materials and medical hygiene materials. Further, antibacterial fiber products containing an inorganic acid salt of chitin have also been proposed, but the inorganic acids used are, for example, hydrochloric acid, sulfuric acid, phosphoric acid, nitric acid, etc. In such a case, care must be taken in handling, and there is a problem that disposal of waste liquid is expensive.

【0007】[0007]

【発明が解決しようとする課題】本発明は、人体に対す
る毒性が無く、極めて安全性が高く、抗菌性、抗カビ性
および防臭性を有し、一般衣料材、医療衛生材、生活関
連材、寝装材などの素材として好適に使用することがで
きる優れた長繊維の製造方法および長繊維不織布の製造
方法を提供しようとするものである。
DISCLOSURE OF THE INVENTION The present invention has no toxicity to the human body, is extremely safe, has antibacterial properties, antifungal properties, and deodorant properties. It can be suitably used as a material for bedding, etc.
It is an object of the present invention to provide an excellent method for producing a long fiber and a method for producing a long fiber nonwoven fabric.

【0008】[0008]

【0009】[0009]

【課題を解決するための手段】本発明の抗菌抗カビ防臭
性長繊維の製造方法は、キトサンに水を加えて膨潤させ
た後、水と有機酸とを加えてキトサン有機酸塩の水溶液
を作成し、このキトサン有機酸塩の水溶液と延伸油剤と
を混合して混合液を作成し、溶融紡糸した糸条に前記混
合液を塗布することを要旨とするものである。また本発
明の抗菌抗カビ防臭性長繊維不織布の製造方法は、キト
サンに水を加えて膨潤させた後、水と有機酸とを加えて
キトサン有機酸塩の水溶液を作成し、このキトサン有機
酸塩の水溶液と延伸油剤とを混合して混合液を作成し、
溶融紡糸した糸条に前記混合液を塗布することで得られ
る長繊維を不織布化することを要旨とするものである。
したがって本発明によると、溶融紡糸した糸条にキトサ
ン有機酸塩の水溶液と延伸油剤との混合液を塗布するた
め、この製造方法によって得られる長繊維およびこの長
繊維にて形成された不織布にはキチンの脱アセチル化物
の有機酸塩が均一に塗布されることになる。
The process for producing antibacterial, antifungal and deodorant long fibers according to the present invention comprises adding water to an organic acid and adding an aqueous solution of an organic acid salt of chitosan after adding water to chitosan. The gist of the invention is to prepare a mixed solution by mixing the aqueous solution of the organic acid salt of chitosan and a drawing oil agent, and to apply the mixed solution to the melt-spun yarn. Further, the method for producing an antibacterial antifungal deodorant long-fiber nonwoven fabric according to the present invention comprises the steps of: adding water to chitosan to swell; adding water and an organic acid to prepare an aqueous solution of an organic acid salt of chitosan; A mixed solution is prepared by mixing an aqueous salt solution and a stretching oil agent,
The gist of the present invention is to convert a long fiber obtained by applying the mixture to a melt-spun yarn into a nonwoven fabric.
Therefore, according to the present invention, to apply a mixed solution of an aqueous solution of an organic acid salt of chitosan and a drawing oil to a melt-spun yarn, the long fiber obtained by this production method and the nonwoven fabric formed by this long fiber must be used. The organic acid salt of the deacetylated product of chitin is uniformly applied.

【0010】本発明でいう長繊維は、繊維形成性を有す
る熱可塑性重合体からなるものであって、単一重合体か
らなるもの、または2種以上の重合体が混合されたもの
からなるもの、または2種以上の重合体が芯鞘型あるい
はサイドバイサイド型などに複合されたものなどであ
る。熱可塑性重合体としては、ポリエチレンテレフタレ
ート、ポリブチレンテレフタレート、共重合ポリエステ
ルなどのポリエステル、線状低密度ポリエチレン、低密
度ポリエチレン、高密度ポリエチレン、ポリプロピレン
などのポリオレフィンあるいはナイロン6、ナイロン6
6、ナイロン610 、ナイロン46などのポリアミドが挙げ
られ、複合繊維の場合には、ポリエチレンテレフタレー
トと高密度ポリエチレンの組み合わせやポリプロピレン
と線状低密度ポリエチレンの組み合わせ、ポリプロピレ
ンのホモポリマーとエチレンがランダムに共重合された
ポリプロピレン系共重合体との組み合わせなどが挙げら
れる。
[0010] The long fiber referred to in the present invention is made of a thermoplastic polymer having a fiber forming property, and is made of a single polymer or a mixture of two or more polymers. Alternatively, a polymer in which two or more kinds of polymers are combined into a core-sheath type or a side-by-side type is used. Examples of the thermoplastic polymer include polyesters such as polyethylene terephthalate, polybutylene terephthalate, and copolyester; linear low-density polyethylene, low-density polyethylene, high-density polyethylene, and polyolefins such as polypropylene, nylon 6, and nylon 6.
6, polyamides such as nylon 610 and nylon 46, and in the case of composite fibers, a combination of polyethylene terephthalate and high-density polyethylene, a combination of polypropylene and linear low-density polyethylene, or a homopolymer of polypropylene and ethylene at random. A combination with a polymerized polypropylene copolymer is exemplified.

【0011】この長繊維の単糸繊度は、特に限定されな
いが、特に、医療衛生材や寝装材などの用途において柔
軟性が要求される場合には、5デニール以下好ましくは
2デニール以下とするのが良い。
The single fiber fineness of the long fiber is not particularly limited, but is particularly preferably 5 denier or less, more preferably 2 denier or less when flexibility is required in applications such as medical hygiene materials and bedding materials. Is good.

【0012】この長繊維の断面形状としては、丸型ある
いは三角型などの異型であっても、または中空断面型で
あっても良い。本発明の抗菌抗カビ防臭性長繊維は、前
述したように、前記長繊維にキチンの脱アセチル化物の
有機酸塩が塗付されているものである。
The cross-sectional shape of the long fiber may be an irregular shape such as a round shape or a triangular shape, or a hollow cross-sectional shape. As described above, the antibacterial antifungal deodorant long fiber of the present invention is obtained by coating the long fiber with an organic acid salt of a deacetylated product of chitin.

【0013】本発明でいう抗菌抗カビ防臭成分であるキ
チンの脱アセチル化物としては、例えば主としてカニ、
エビなどの甲殻類の外殻からカルシウム、タンパク質な
どの狭雑物を酸およびアルカリ処理で除去して得られる
キチンを酸処理あるいは酵素処理することによって脱ア
セチル化した分子量数十万のアミノ基を有する高分子量
ポリマー、いわゆるキトサンが挙げられる。また、キト
サンを酸あるいは酵素処理で適度に分解した分子量数千
から数万の比較的低分子量のポリマーであっても良い。
このキトサンの脱アセチル化度は、有機酸への溶解性お
よび抗菌性から考慮して、50%以上であることが好まし
い。
Examples of the deacetylated product of chitin, which is an antibacterial and antifungal deodorant component in the present invention, include mainly crab,
An amino group with a molecular weight of several hundred thousand is deacetylated by acid or enzyme treatment of chitin obtained by removing contaminants such as calcium and protein from the shell of crustaceans such as shrimp by acid and alkali treatment. High molecular weight polymer, so-called chitosan. Further, a relatively low molecular weight polymer having a molecular weight of several thousands to tens of thousands, which is obtained by appropriately decomposing chitosan by an acid or enzyme treatment, may be used.
The degree of deacetylation of this chitosan is preferably at least 50% in view of solubility in organic acids and antibacterial properties.

【0014】ここでいう脱アセチル化度とは、次のよう
な方法で測定された値をいう。試料約2gを2Nの塩酸
水溶液200 ml中に投入し、室温で30分間攪拌する。次
いで、ガラスフィルターで濾過して塩酸水溶液を除去し
た後、200 mlメタノール中に投入して30分間攪拌す
る。これをさらにガラスフィルターで濾過し、フレッシ
ュなメタノール200 ml中に投入し、30分間攪拌する。
このメタノールによる洗浄操作を4回繰り返した後、風
乾および真空乾燥し、次いで、その約0.2gを精秤し、1
00 mlの三角フラスコに取り、イオン交換水40mlを
加えて30分間攪拌する。さらに、この溶液をフェノール
フタレインを指示薬として0.1 Nの苛性ソーダ水溶液で
中和滴定する。脱アセチル化度(A)は、数1によって
求められる。
The degree of deacetylation referred to here is a value measured by the following method. About 2 g of the sample is put into 200 ml of a 2N aqueous hydrochloric acid solution and stirred at room temperature for 30 minutes. Next, the mixture is filtered through a glass filter to remove the aqueous hydrochloric acid solution, and then poured into 200 ml of methanol and stirred for 30 minutes. This is further filtered through a glass filter, poured into 200 ml of fresh methanol, and stirred for 30 minutes.
After repeating the washing operation with methanol four times, air-drying and vacuum drying were performed.
Take in a 00 ml Erlenmeyer flask, add 40 ml of ion exchanged water and stir for 30 minutes. Further, this solution is neutralized and titrated with a 0.1 N aqueous solution of sodium hydroxide using phenolphthalein as an indicator. The degree of deacetylation (A) is determined by Equation 1.

【0015】[0015]

【数1】 (Equation 1)

【0016】ただし、aは試料の重量(g)、fは0.1
Nの苛性ソーダ水溶液の力値、bは0.1 Nの苛性ソーダ
水溶液の滴定量(ml)である。次に、本発明の抗菌抗
カビ防臭性長繊維を製造する方法に関して説明する。
Here, a is the weight (g) of the sample, and f is 0.1
The force value of the aqueous solution of N caustic soda, b is the titer (ml) of the aqueous solution of 0.1 N caustic soda. Next, a method for producing the antibacterial antifungal deodorant long fiber of the present invention will be described.

【0017】本発明の長繊維は、通常の溶融紡糸装置に
より前記重合体から製造することができる。製造法とし
ては、引取り速度100 〜1500m/分程度で紡糸した後、
延伸倍率1.5 〜6.0 倍程度で延伸するいわゆる2工程
法、または引き取り速度3000m/分以上で引き取るいわ
ゆる高速紡糸法、あるいは紡糸と延伸とを連続して行な
ういわゆる直接紡糸延伸法など、いずれの方法であって
も良いが、キトサン酢酸塩水溶液を塗付した後の乾燥効
率を向上させたい場合は上記2工程法を採用するのが良
い。
The long fiber of the present invention can be produced from the above polymer by a usual melt spinning apparatus. As a manufacturing method, after spinning at a take-off speed of about 100 to 1500 m / min,
The so-called two-step method of drawing at a draw ratio of about 1.5 to 6.0 times, the so-called high-speed spinning method of drawing at a drawing speed of 3000 m / min or more, or the so-called direct spinning drawing method of continuously performing spinning and drawing. However, if it is desired to improve the drying efficiency after the application of the chitosan acetate aqueous solution, the above two-step method is preferably employed.

【0018】次に、繊維にキチンの脱アセチル化物、例
えばキトサンまたはキトサン軽度分解物の有機酸塩の水
溶液を塗布する方法について述べる。塗布の方法として
は、浸漬法、噴霧法などを用いることができる。塗布
は、前記長繊維製造工程中、繊維紡出から引取り工程
間、延伸工程間、延伸工程後から巻き取り工程間などの
いずれにおいて行なっても良いが、通常、延伸工程中に
延伸油剤とキトサン有機酸塩の水溶液とを混合し、塗布
するのが好ましい。
Next, a method for applying a deacetylated product of chitin, for example, an aqueous solution of an organic acid salt of chitosan or a slightly decomposed chitosan product to the fiber will be described. As a coating method, an immersion method, a spraying method, or the like can be used. The coating may be performed during the long fiber production step, during the fiber spinning and take-up step, during the drawing step, during the winding step after the drawing step, and the like. It is preferable to mix and apply an aqueous solution of an organic acid salt of chitosan.

【0019】前記処理液の調整は、次の方法により行な
う。まずキトサンまたはキトサン軽度分解物を水に膨潤
させた後、酸に溶解する。可溶化のために使用する酸と
しては、蟻酸、酢酸、乳酸、クエン酸、アジピン酸、グ
ルコン酸、酒石酸などの有機酸を用いることができる。
The adjustment of the treatment liquid is performed by the following method. First, chitosan or a chitosan mildly decomposed product is swollen in water and then dissolved in an acid. As the acid used for solubilization, organic acids such as formic acid, acetic acid, lactic acid, citric acid, adipic acid, gluconic acid, and tartaric acid can be used.

【0020】塗付方法、塗付速度、処理液粘度などの違
いによる付着量の調節は、処理液濃度を変更することに
より行なう。なお、本発明の抗菌抗カビ防臭性長繊維
は、必要に応じて他の繊維と複合して用いても良い。こ
こでいう他の繊維とは、ポリアミド、ポリエステル、ポ
リオレフィン、アクリル、レーヨン、アセテートなどの
重合体からなる長繊維または短繊維、綿、羊毛、麻など
の天然繊維をいう。また、複合するに際しては、本発明
の長繊維が複合糸の少なくとも表面の一部を占めるよう
に複合することが抗菌抗カビ防臭効果を発現させる上で
必要である。
Adjustment of the amount of adhesion due to differences in the coating method, coating speed, processing liquid viscosity, etc. is performed by changing the processing liquid concentration. The antibacterial, antifungal, and deodorant long fibers of the present invention may be used in combination with other fibers as necessary. The term "other fibers" as used herein refers to long fibers or short fibers made of polymers such as polyamide, polyester, polyolefin, acryl, rayon, and acetate, and natural fibers such as cotton, wool, and hemp. In the case of compounding, it is necessary to compound the long fiber of the present invention so as to occupy at least a part of the surface of the composite yarn in order to exhibit an antibacterial and antifungal deodorizing effect.

【0021】本発明の長繊維不織布は、キチンの脱アセ
チル化物の有機酸塩が塗布された熱可塑性重合体の長繊
維から構成されていても良く、あるいは前記重合体から
なり且つキチンの脱アセチル化物の有機酸塩が塗布され
ていない長繊維からなる不織布にキチンの脱アセチル化
物の有機酸塩を塗布して構成されていても良い。この不
織布は目付けが10g/m2 以上200 g/m2 以下のもの
であり、目付けが10g/m2 未満であると目付けが低す
ぎて均一な不織布を製造することが困難であるばかりで
なく、不織布としての利用価値が乏しい。一方、目付け
が200 g/m2を超えると目付けが高すぎて不織布が厚
くなると共に硬くなり、衣料材や医療衛生材として使用
する上で好ましくない。本発明の抗菌抗カビ防臭性不織
布は、前述のように前記不織布に前記長繊維と同様にキ
チンの脱アセチル化物の有機酸塩が塗付されているもの
である。
The long-fiber nonwoven fabric of the present invention may be composed of long fibers of a thermoplastic polymer coated with an organic acid salt of a deacetylated product of chitin, or may be composed of the polymer and deacetylated of chitin. It may be constituted by applying an organic acid salt of a deacetylated chitin to a nonwoven fabric made of long fibers to which the organic acid salt of a compound is not applied. This nonwoven fabric has a basis weight of 10 g / m 2 or more and 200 g / m 2 or less, and if the basis weight is less than 10 g / m 2 , it is difficult to produce a uniform nonwoven fabric because the basis weight is too low. And its utility as a nonwoven fabric is poor. On the other hand, if the basis weight exceeds 200 g / m 2 , the basis weight is too high and the nonwoven fabric becomes thick and hard, which is not preferable for use as a clothing material or a medical hygiene material. As described above, the antibacterial, antifungal and deodorant nonwoven fabric of the present invention is obtained by coating the nonwoven fabric with an organic acid salt of a deacetylated product of chitin in the same manner as the long fiber.

【0022】次に、本発明の抗菌抗カビ防臭性不織布の
製造方法について説明する。その場合、前述のようにキ
チンの脱アセチル化物の有機酸塩が塗布された長繊維を
用い、この長繊維を例えばエアーサッカーなどの手段に
より開繊すると同時にウエブコンベアー上に堆積させて
ウエブを形成した後、必要に応じてエンボスローラーな
どの手段により不織布とする。
Next, a method for producing the antibacterial, antifungal and deodorant nonwoven fabric of the present invention will be described. In this case, a long fiber coated with an organic acid salt of a deacetylated product of chitin is used as described above, and the long fiber is opened by means of, for example, air soccer and simultaneously deposited on a web conveyor to form a web. After that, if necessary, a non-woven fabric is formed by means such as an emboss roller.

【0023】また、通常の溶融紡糸装置を用いて前記重
合体からなる長繊維を紡出し、エアーサッカーなどの引
き取り手段で引き取り、開繊後、ウエブコンベアーなど
の捕集面上に堆積させてウエブとするか、あるいは引き
取りローラーで引き取りながら連続して引き取りローラ
ーと延伸ローラー間で延伸した後開繊しウエブとする。
引き取り速度は単糸繊度や重合体の種類にもよるが、通
常エアーサッカーなどの引き取り手段では2500〜5000m
/分程度、引き取りローラーの場合には100 〜500 m/
分程度とするのが良い。次いで、得られたウエブに必要
に応じて例えばエンボスローラーを用いてエンボス処理
を施して不織布とする。エンボス処理条件は、エンボス
ローラーの線圧を通常30〜100kg /cmとし、エンボスロ
ーラー温度を、熱可塑性重合体の種類により異なるが繊
維を構成する熱可塑性重合体の融点より5〜30℃程度低
い温度とする。複合繊維の場合には、繊維を構成する重
合体のうち低融点成分の融点より5〜30℃程度低い温度
とするのが良い。次に、得られた不織布にキチンの脱ア
セチル化物、例えばキトサンまたはキトサン軽度分解物
の有機酸塩の水溶性処理液を塗付する。塗付の方法とし
ては浸漬法、噴霧法、パットドライ法などを用いること
ができる。塗付は通常ウエブ形成後から巻き取り間に設
けた別途塗付工程において塗付するのが良い。処理液の
調整はキチンの脱アセチル化物を水にて膨潤させた後、
酸に溶解して行なう。可溶化のために使用する酸として
は蟻酸、酢酸、乳酸、クエン酸、アジピン酸、グルコン
酸、酒石酸などの有機酸などを用いる。次に、処理液を
塗付した不織布を乾燥する。乾燥は通常の熱風循環乾燥
機で行ない、水分を蒸発させることでキチンの脱アセチ
ル化物の有機酸塩を不織布の構成繊維表面上に固着させ
る。乾燥温度は、通常前記長繊維不織布を構成する熱可
塑性重合体の融点より5℃以上低い温度とする。塗付速
度は不織布の生産速度で良く、通常10〜100 m/分であ
り最大100 m/分の高速処理も可能で、何ら生産速度を
制限するものではない。塗付方法、塗付速度、処理液粘
度などの違いによる付着量の調節は処理液濃度を変更す
ることにより行なう。長繊維不織布には油剤を塗布して
も良く、例えば帯電防止剤、吸水剤、撥水剤などの油剤
を混合塗付しても良い。以上に述べたごとく処理液の塗
付は不織布製造工程上オンラインであっても、一旦巻き
取った不織布に塗付するオフラインであっても良い。
Further, a continuous fiber composed of the polymer is spun out using a usual melt spinning apparatus, taken up by a take-up means such as air soccer, opened, and then deposited on a collection surface such as a web conveyer to form a web. Alternatively, the web is stretched between the take-up roller and the stretching roller continuously while being taken up by the take-up roller, and then opened to form a web.
The take-up speed depends on the fineness of the single yarn and the type of polymer.
/ Min, 100 to 500 m /
Minutes. Next, if necessary, the obtained web is subjected to an embossing process using, for example, an embossing roller to form a nonwoven fabric. The embossing conditions are such that the linear pressure of the embossing roller is usually 30 to 100 kg / cm, and the temperature of the embossing roller is about 5 to 30 ° C. lower than the melting point of the thermoplastic polymer constituting the fiber, though it varies depending on the type of the thermoplastic polymer. Temperature. In the case of a conjugate fiber, the temperature is preferably lower by about 5 to 30 ° C. than the melting point of the low melting point component of the polymer constituting the fiber. Next, a water-soluble treatment solution of a deacetylated product of chitin, for example, an organic acid salt of chitosan or a mildly decomposed chitosan product is applied to the obtained nonwoven fabric. As a coating method, a dipping method, a spraying method, a pad drying method, or the like can be used. The coating is usually performed in a separate coating step provided between the winding after the web is formed. Adjustment of the treatment solution after swelling the deacetylated product of chitin with water,
Perform by dissolving in acid. As the acid used for solubilization, organic acids such as formic acid, acetic acid, lactic acid, citric acid, adipic acid, gluconic acid and tartaric acid are used. Next, the nonwoven fabric to which the treatment liquid has been applied is dried. Drying is carried out by an ordinary hot air circulation dryer, and the organic acid salt of the deacetylated chitin is fixed on the surface of the constituent fibers of the nonwoven fabric by evaporating the water. The drying temperature is usually a temperature lower than the melting point of the thermoplastic polymer constituting the long-fiber nonwoven fabric by 5 ° C. or more. The application speed may be the production speed of the nonwoven fabric, and is usually 10 to 100 m / min, and high-speed processing at a maximum of 100 m / min is possible, and there is no limitation on the production speed. Adjustment of the amount of adhesion due to differences in the coating method, coating speed, processing liquid viscosity, etc. is performed by changing the processing liquid concentration. An oil agent may be applied to the long-fiber nonwoven fabric. For example, an oil agent such as an antistatic agent, a water absorbing agent, or a water repellent may be mixed and applied. As described above, the treatment liquid may be applied online in the nonwoven fabric manufacturing process, or may be applied offline to the once wound nonwoven fabric.

【0024】[0024]

【作用】本発明の抗菌抗カビ防臭性長繊維の製造方法あ
るいは抗菌抗カビ防臭性長繊維不織布の製造方法は、溶
融紡糸した糸条にキトサン有機酸塩の水溶液と延伸油剤
との混合液を塗布するので、抗菌、抗カビおよび防臭性
が発現される。キトサンの抗菌作用についてはカビの増
殖抑制作用やEscherichia coli(大腸菌)、Staphyloco
ccus aureus (黄色ぶどう球菌)、Pseudomonas aerugi
nosa(緑膿菌)、Bacillus subtilis (枯草菌)などの
グラム陽性、グラム陰性細菌に対する増殖抑制作用が報
告されている。これら抗菌作用の機作の詳細は不明であ
るが、四級化したキトサンのカチオン性アミノ基によっ
て菌の細胞壁中の陰イオン構成物質が吸着され、その結
果細胞壁の生合成が阻害あるいは壁内外の物質の能動輸
送が阻止されるため、抗菌作用が発現されるものと推定
されている。一方、身の回りに存在する多くのカビや細
菌が下着やソックスに吸着した汗の成分を資化して繁殖
し、不快な臭いを発生する。従って、これら微生物の繁
殖をキトサンまたはキトサン軽度分解物の有機酸塩また
は無機酸塩で抑制することで臭いの発生を抑えることが
可能である。
The method for producing the antibacterial and antifungal long fiber of the present invention
In addition, the manufacturing method of nonwoven fabrics of nonwoven fabrics
Aqueous solution of chitosan organic acid salt and drawing oil on melt-spun yarn
The antimicrobial, antifungal and deodorant properties are exhibited by applying the mixed solution of The antibacterial effect of chitosan is described in terms of mold growth inhibitory effect, Escherichia coli (Escherichia coli) and Staphyloco.
ccus aureus (Staphylococcus aureus), Pseudomonas aerugi
It has been reported that it inhibits the growth of Gram-positive and Gram-negative bacteria such as nosa (Pseudomonas aeruginosa) and Bacillus subtilis (Bacillus subtilis). The details of the mechanism of these antibacterial effects are unknown, but the cationic amino groups of the quaternized chitosan adsorb anionic constituents in the cell wall of the bacterium, resulting in the inhibition of the biosynthesis of the cell wall, It is presumed that antibacterial action is exhibited because active transport of substances is blocked. On the other hand, many molds and bacteria existing around the body use the components of sweat adsorbed on underwear and socks to propagate and produce an unpleasant odor. Therefore, generation of odor can be suppressed by suppressing the growth of these microorganisms by using an organic acid salt or an inorganic acid salt of chitosan or chitosan lightly decomposed product.

【0025】[0025]

【実施例】次に、実施例に基づいて本発明を具体的に説
明する。実施例において、キチンの脱アセチル化物とし
て、BL型粘度計を用い、試料濃度1重量%、温度20℃
で測定した粘度が9.8 センチポイズ、脱アセチル化度が
91.6%のキトサンを用いた。なお、このキトサン1重量
部に対しイオン交換水25重量部を加えてキトサンを膨潤
させた後、氷酢酸0.2 重量部と、イオン交換水23.8重量
部を加え、キトサン処理原液を作成し、繊維および不織
布の塗布液とした。また、シェイクフラスコ法(繊維製
品衛生加工協議会認定の抗菌効果試験方法)により菌減
少率(%) を測定し、抗菌性を評価した。なお、前記評価
にあたっては使用菌株としてK.pneumoniae ATCC4352 を
用いた。また、実施例中に示した不織布の引張り強力は
JIS L-1096に記載のストリップ法に準じ、幅30mm、長さ
100mm の試験片から最大引張り強力を測定し求めた。
Next, the present invention will be specifically described based on examples. In Examples, a BL type viscometer was used as a deacetylated product of chitin, at a sample concentration of 1% by weight and at a temperature of 20 ° C.
The viscosity measured at 9.8 centipoise and the degree of deacetylation
91.6% chitosan was used. After adding 25 parts by weight of ion-exchanged water to 1 part by weight of this chitosan to swell the chitosan, 0.2 parts by weight of glacial acetic acid and 23.8 parts by weight of ion-exchanged water were added to prepare a chitosan-treated undiluted solution. This was used as a coating solution for a nonwoven fabric. In addition, the antibacterial activity was evaluated by measuring the bacterial reduction rate (%) by the shake flask method (a test method for antibacterial effect certified by the Textile Sanitation Processing Council). In the above evaluation, K. pneumoniae ATCC4352 was used as a strain to be used. Further, the tensile strength of the nonwoven fabric shown in the examples is
According to the strip method described in JIS L-1096, width 30 mm, length
The maximum tensile strength was measured and determined from a 100 mm test piece.

【0026】実施例1 融点が128 ℃、メルトインデックス値が80g/10分のポ
リエチレン重合体成分Aと、融点が258 ℃、固有粘度が
0.70のポリエステル重合体成分Bを、複合紡糸孔200 孔
を有する紡糸口金4錘から紡出し、重合体成分Aを鞘成
分、重合体成分Bを芯成分とする芯鞘複合型長繊維を紡
出した。単孔吐出量は、重合体A,B共に0.3 g/分
(成分Aと成分Bの重量比は1:1)とした。次いで、
紡出された長繊維糸条を冷却して引き取り速度1200m/
分で引き取った後、延伸倍率2.15倍で延伸することによ
り長繊維を作成した。
Example 1 A polyethylene polymer component A having a melting point of 128 ° C. and a melt index value of 80 g / 10 min, a melting point of 258 ° C. and an intrinsic viscosity of
A 0.70 polyester polymer component B is spun from four spindles of a spinneret having 200 composite spinning holes, and a core-sheath composite long fiber having a polymer component A as a sheath component and a polymer component B as a core component. did. The single hole discharge amount was 0.3 g / min for both polymers A and B (the weight ratio between component A and component B was 1: 1). Then
The spun filament yarn is cooled and the take-off speed is 1200m /
Then, the filament was drawn at a draw ratio of 2.15 times to prepare a long fiber.

【0027】キトサン酢酸塩水溶液の塗付は、上記長繊
維製造工程中において、延伸油剤に所定濃度のキトサン
酢酸塩水溶液を混合し、油剤と同時に塗付することによ
り行なった。なお、キトサン酢酸塩塗付に際し、油剤と
混合するキトサン酢酸塩水溶液の濃度を変更し、キトサ
ン酢酸塩付着量の異なる長繊維(実施例1−1から1−
7)を採取した。
The application of the chitosan acetate aqueous solution was carried out by mixing a predetermined concentration of the chitosan acetate aqueous solution with the drawing oil and applying the oil at the same time in the above-mentioned long fiber production process. In addition, when applying chitosan acetate, the concentration of the chitosan acetate aqueous solution mixed with the oil agent was changed so that long fibers having different chitosan acetate adhesion amounts (Examples 1-1 to 1-
7) was collected.

【0028】比較例1 キトサン酢酸塩水溶液の代りに、イオン交換水を用いた
以外は実施例1と同様の方法で長繊維(比較例1)を得
た。
Comparative Example 1 A long fiber (Comparative Example 1) was obtained in the same manner as in Example 1 except that ion-exchanged water was used instead of the chitosan acetate aqueous solution.

【0029】実施例1で得た長繊維(実施例1−1から
1−7)30g中のキトサン酢酸塩付着量、シェイクフラ
スコ菌減少率試験の結果、および比較例1で得た長繊維
(比較例1)の菌減少率試験の結果を表1示す。
The amount of chitosan acetate adhering to 30 g of the long fiber obtained in Example 1 (Examples 1-1 to 1-7), the result of a shake flask bacterial reduction rate test, and the long fiber obtained in Comparative Example 1 ( Table 1 shows the results of the bacteria reduction rate test of Comparative Example 1).

【0030】表1からも明らかなように、本発明の実施
例1−1から1−7のキトサン酢酸塩が塗付された長繊
維は、菌減少率が極めて高いものであり、一方、比較例
1の長繊維は菌減少率が低いものであった。
As is clear from Table 1, the long fibers coated with chitosan acetate according to Examples 1-1 to 1-7 of the present invention have an extremely high rate of bacterial reduction, while the comparative examples show comparative examples. The long fiber of Example 1 had a low bacterial reduction rate.

【0031】[0031]

【表1】 [Table 1]

【0032】実施例2 融点が128 ℃、メルトインデックス値が80g/10分のポ
リエチレン重合体成分Aと、融点が258 ℃、固有粘度が
0.70のポリエステル重合体成分Bを複合紡糸孔200 孔を
有する紡糸口金4錘から芯鞘複合型長繊維を紡出した。
単孔吐出量は重合体A,B共に0.3 g/分(成分Aと成
分Bの重量比は1:1)とした。紡出された長繊維糸条
を冷却した後、紡糸口金下120cm の位置に配設された8
個のエアーサッカーに通して吸引、延伸し、3000m/分
の速度で引き取り、帯電装置により強制的に帯電させて
繊維を開繊し、30m/分で移動するウエブコンベアー面
上に堆積させウエブを得た。次に、得られたウエブを圧
接面積率15%、表面加熱温度123 ℃のエンボスロールを
使用し、線圧力30kg/cmでウエブを熱接着して不織布と
した。得られた不織布は、目付けが30g/m2 、経方向
の引張り強力が4.8kg /3cm、横方向の引張り強力が3.
7kg /3cmであった。次に、上記ロール状に巻き取った
複合型長繊維不織布にキトサン酢酸塩水溶液を塗付し
た。塗付は別途パッドドライ機を用い、所定濃度に調整
したキトサン酢酸塩水溶液に浸漬した後、線圧力4.0kg
/cmのニップローラーで絞り、さらに120 ℃の熱風循環
乾燥機にて乾燥した後ロール状に巻き取った。処理速度
は10m/分であった。なお、キトサン酢酸塩水溶液を塗
布するに際しては、前記処理原液にイオン交換水を加え
て濃度を変更し、キトサン酢酸塩の付着量の異なる長繊
維不織布(実施例2−1〜実施例2−7)を採取した。
Example 2 A polyethylene polymer component A having a melting point of 128 ° C. and a melt index value of 80 g / 10 min, a melting point of 258 ° C. and an intrinsic viscosity of
A core-sheath composite type long fiber was spun from a 0.70 polyester polymer component B from a four-weight spinneret having 200 composite spinning holes.
The single-hole discharge amount was 0.3 g / min (the weight ratio of component A to component B was 1: 1) for both polymers A and B. After cooling the spun filament yarn, 8 was placed 120 cm below the spinneret.
Suction and stretching through a piece of air soccer, withdrawing at a speed of 3000 m / min, forcibly charging with a charging device to spread the fiber, depositing it on a web conveyor surface moving at 30 m / min, Obtained. Next, the obtained web was thermally bonded at a linear pressure of 30 kg / cm by using an embossing roll having a pressing area ratio of 15% and a surface heating temperature of 123 ° C. to form a nonwoven fabric. The obtained nonwoven fabric had a basis weight of 30 g / m 2 , a tensile strength in the warp direction of 4.8 kg / 3 cm, and a tensile strength in the transverse direction of 3.
It was 7 kg / 3 cm. Next, an aqueous solution of chitosan acetate was applied to the composite-type long-fiber nonwoven fabric wound into a roll. Using a pad dry machine separately, after immersion in a chitosan acetate aqueous solution adjusted to a predetermined concentration, a linear pressure of 4.0 kg
/ Cm nip roller, dried with a hot air circulating drier at 120 ° C, and wound up in a roll. The processing speed was 10 m / min. When applying the chitosan acetate aqueous solution, ion-exchanged water was added to the treatment stock solution to change the concentration, and the long-fiber nonwoven fabric having a different amount of chitosan acetate attached thereto (Example 2-1 to Example 2-7) ) Was collected.

【0033】比較例2 キトサン酢酸塩水溶液の代りにイオン交換水を噴霧塗布
した以外は実施例2と全く同様な方法で処理した。
Comparative Example 2 A treatment was performed in exactly the same manner as in Example 2 except that ion-exchanged water was spray-coated instead of the chitosan acetate aqueous solution.

【0034】実施例2−1〜2−7で得た長繊維不織布
のキトサン酢酸塩付着量、実施例2−1〜2−7、比較
例2で得た長繊維不織布の抗菌性の結果を表2に示し
た。
Results of the amount of chitosan acetate adhering to the long-fiber nonwoven fabrics obtained in Examples 2-1 to 2-7 and the antibacterial results of the long-fiber nonwoven fabrics obtained in Examples 2-1 to 2-7 and Comparative Example 2 are shown. The results are shown in Table 2.

【0035】[0035]

【表2】 [Table 2]

【0036】実施例3 融点が128 ℃、メルトインデックス値が80g/10分のポ
リエチレン重合体成分Aと、融点が258 ℃、固有粘度が
0.70のポリエステル重合体成分Bを複合紡糸孔200 孔を
有する紡糸口金4錘から芯鞘複合型長繊維を紡出した。
単孔吐出量は重合体A,B共に0.3 g/分(成分Aと成
分Bの重量比は1:1)とした。紡出された長繊維糸条
を冷却した後、紡糸口金下120cm の位置に配設された8
個のエアーサッカーに通して吸引、延伸し、3000m/分
の速度で引き取り、帯電装置により強制的に帯電させて
繊維を開繊し、30m/分で移動するウエブコンベアー面
上に堆積させウエブを得た。次に、得られたウエブを圧
接面積率15%、表面加熱温度123 ℃のエンボスロールを
使用し、線圧力30kg/cmでウエブを熱接着して不織布と
した。次に、所定濃度のキトサン酢酸塩水溶液を噴霧塗
付した後、線圧3.5kg /cmのニップローラーを通過させ
た。さらに不織布を加熱温度120 ℃の熱風循環型乾燥機
を通過させて乾燥した後、ロール状に巻き取った。得ら
れた不織布は、目付けが30g/m2 、経方向の引張り強
力が5.1kg /3cm、横方向の引張り強力が3.6kg /3cm
であった。
Example 3 A polyethylene polymer component A having a melting point of 128 ° C. and a melt index value of 80 g / 10 min, a melting point of 258 ° C. and an intrinsic viscosity of
A core-sheath composite type long fiber was spun from a 0.70 polyester polymer component B from a four-weight spinneret having 200 composite spinning holes.
The single-hole discharge amount was 0.3 g / min (the weight ratio of component A to component B was 1: 1) for both polymers A and B. After cooling the spun filament yarn, 8 was placed 120 cm below the spinneret.
Suction and stretching through a piece of air soccer, withdrawing at a speed of 3000 m / min, forcibly charging with a charging device to spread the fiber, depositing it on a web conveyor surface moving at 30 m / min, Obtained. Next, the obtained web was thermally bonded at a linear pressure of 30 kg / cm by using an embossing roll having a pressing area ratio of 15% and a surface heating temperature of 123 ° C. to form a nonwoven fabric. Next, a chitosan acetate aqueous solution having a predetermined concentration was spray-coated, and then passed through a nip roller having a linear pressure of 3.5 kg / cm. Further, the nonwoven fabric was dried by passing it through a hot air circulating dryer at a heating temperature of 120 ° C., and then wound up in a roll. The obtained nonwoven fabric had a basis weight of 30 g / m 2 , a tensile strength in the warp direction of 5.1 kg / 3 cm, and a tensile strength in the transverse direction of 3.6 kg / 3 cm.
Met.

【0037】比較例3 キトサン酢酸塩水溶液の代りにイオン交換水を噴霧塗付
した以外は実施例3と同様の工程で目付け30g/m2
経方向の引張り強力が5.2kg /3cm、横方向の引張り強
力が3.4kg /3cmの不織布を得た。
Comparative Example 3 A basis weight of 30 g / m 2 was obtained in the same process as in Example 3 except that ion-exchanged water was spray-coated in place of the chitosan acetate aqueous solution.
A nonwoven fabric having a tensile strength in the warp direction of 5.2 kg / 3 cm and a tensile strength in the transverse direction of 3.4 kg / 3 cm was obtained.

【0038】実施例4 融点が128 ℃、メルトインデックス値が80g/10分のポ
リエチレン重合体成分Aと、融点が258 ℃、固有粘度が
0.70のポリエステル重合体成分Bを複合紡糸孔200 孔を
有する紡糸口金4錘から芯鞘複合型長繊維を紡出した。
単孔吐出量は重合体A,B共に0.1 g/分(成分Aと成
分Bの重量比は1:1)とした。紡出された長繊維糸条
を冷却した後、表面温度が75℃の加熱ローラー群により
250 m/分の速度で引き取り、この加熱ローラー群と表
面温度が90℃の加熱ローラー群の間で倍率4.0 として延
伸した。延伸繊維糸条を16個のエアーサッカーに通して
吸引し、帯電装置より強制的に帯電させて繊維を開繊
し、10m/分で移動するウエブコンベアー面上に堆積さ
せてウエブを得た。次に、得られたウエブを圧接面積率
15%、表面加熱温度123 ℃のエンボスロールを使用し、
線圧力30kg/cmでウエブを熱接着して不織布とした。次
に、所定濃度のキトサン酢酸塩水溶液を噴霧塗付した
後、線圧4.0kg /cmのニップローラーを通過させた。さ
らに不織布を加熱温度120 ℃の熱風循環型乾燥機を通過
させて乾燥した後、ロール状に巻き取った。得られた不
織布は、目付けが30g/m2 、経方向の引張り強力が5.
1kg /3cm、横方向の引張り強力が3.6kg /3cmであっ
た。
Example 4 A polyethylene polymer component A having a melting point of 128 ° C. and a melt index value of 80 g / 10 min, a melting point of 258 ° C. and an intrinsic viscosity of
A core-sheath composite type long fiber was spun from a 0.70 polyester polymer component B from a four-weight spinneret having 200 composite spinning holes.
The single-hole discharge amount was 0.1 g / min for both polymers A and B (the weight ratio of component A to component B was 1: 1). After cooling the spun filament yarn, the heating roller group with the surface temperature of 75 ° C
The film was drawn at a speed of 250 m / min, and stretched at a magnification of 4.0 between the heated roller group and the heated roller group having a surface temperature of 90 ° C. The drawn fiber yarn was sucked through 16 air soccers, forcibly charged by a charging device to open the fiber, and deposited on a web conveyor surface moving at 10 m / min to obtain a web. Next, the obtained web is press-bonded area ratio
Use an embossing roll with a surface heating temperature of 123 ° C and 15%
The web was thermally bonded at a linear pressure of 30 kg / cm to form a nonwoven fabric. Next, a chitosan acetate aqueous solution having a predetermined concentration was spray-coated, and then passed through a nip roller having a linear pressure of 4.0 kg / cm. Further, the nonwoven fabric was dried by passing it through a hot air circulating dryer at a heating temperature of 120 ° C., and then wound up in a roll. The obtained nonwoven fabric has a basis weight of 30 g / m 2 and a tensile strength in the warp direction of 5.
The tensile strength in the lateral direction was 3.6 kg / 3 cm.

【0039】比較例4 キトサン酢酸塩水溶液の代りにイオン交換水を噴霧塗付
した以外は実施例4と同様の工程で目付け30g/m2
経方向の引張り強力が5.4kg /3cm、横方向の引張り強
力が3.2kg /3cmの不織布を得た。
Comparative Example 4 A basis weight of 30 g / m 2 was obtained in the same manner as in Example 4 except that ion exchange water was spray-coated in place of the chitosan acetate aqueous solution.
A nonwoven fabric having a tensile strength in the warp direction of 5.4 kg / 3 cm and a tensile strength in the transverse direction of 3.2 kg / 3 cm was obtained.

【0040】実施例5 オクテン−1を5重量%含有し、密度が0.937 g/cm
3 、メルトインデックス値が25g/10分の線状低密度ポ
リエチレンを紡糸孔200 孔を有する丸型紡糸口金4錘か
ら単一成分からなる長繊維を紡出した。単孔吐出量は0.
9 g/分とした。紡出された長繊維糸条を冷却した後、
紡糸口金下100cm の位置に配設された8個のエアーサッ
カーに通して吸引、延伸し、4500m/分の速度で引き取
り、帯電装置により強制的に帯電させて繊維を開繊し、
30m/分で移動するウエブコンベアー面上に堆積させウ
エブを得た。次に、得られたウエブを圧接面積率15%、
表面加熱温度123 ℃のエンボスロールを使用し、線圧力
30kg/cmでウエブを熱接着して不織布とした。次に、所
定濃度のキトサン酢酸塩水溶液を噴霧塗付した後、線圧
4.0kg /cmのニップローラーを通過させた。さらに不織
布を加熱温度120 ℃の熱風循環型乾燥機を通過させて乾
燥した後、ロール状に巻き取った。得られた不織布は、
目付けが30g/m2 、経方向の引張り強力が3.1kg /
3cm、横方向の引張り強力が2.2kg /3cmであった。
Example 5 Octene-1 was contained at 5% by weight and had a density of 0.937 g / cm.
3. A long fiber consisting of a single component was spun from linear low-density polyethylene having a melt index value of 25 g / 10 min and four round spinnerets having 200 spinning holes. Single hole discharge rate is 0.
9 g / min. After cooling the spun filament yarn,
It is sucked and drawn through eight air soccers arranged 100 cm below the spinneret, taken up at a speed of 4500 m / min, forcibly charged by a charging device to open the fiber,
The web was obtained by depositing on a web conveyor moving at a speed of 30 m / min. Next, the obtained web was pressed at an area ratio of 15%,
Use an embossing roll with a surface heating temperature of 123 ° C,
The web was thermally bonded at 30 kg / cm to form a nonwoven fabric. Next, after spray-coating a chitosan acetate aqueous solution having a predetermined concentration,
It passed through a 4.0 kg / cm nip roller. Further, the nonwoven fabric was dried by passing it through a hot air circulating dryer at a heating temperature of 120 ° C., and then wound up in a roll. The obtained nonwoven fabric is
The basis weight is 30g / m2 and the tensile strength in the warp direction is 3.1kg /
The tensile strength in the transverse direction was 2.2 kg / 3 cm.

【0041】比較例5 キトサン酢酸塩水溶液の代りにイオン交換水を噴霧塗付
した以外は実施例5と同様の工程で目付け30g/m2
経方向の引張り強力が2.9kg /3cm、横方向の引張り強
力が2.1kg /3cmの長繊維不織布を得た。
Comparative Example 5 A basis weight of 30 g / m 2 was obtained in the same manner as in Example 5 except that ion-exchanged water was spray-coated instead of the chitosan acetate aqueous solution.
A long-fiber nonwoven fabric having a tensile strength in the longitudinal direction of 2.9 kg / 3 cm and a tensile strength in the lateral direction of 2.1 kg / 3 cm was obtained.

【0042】実施例3,4,5で得た長繊維不織布のキ
トサン酢酸塩の付着量、実施例3,4,5および比較例
3,4,5で得た長繊維不織布の抗菌性の結果を表3に
示した。表3からも分かるように、本発明実施例3〜5
のキトサン酢酸塩が付着された不織布は菌減少率が極め
て高いものである。
The amount of chitosan acetate deposited on the long-fiber nonwoven fabrics obtained in Examples 3, 4, and 5, and the antibacterial results of the long-fiber nonwoven fabrics obtained in Examples 3, 4, and 5 and Comparative Examples 3, 4, and 5 Are shown in Table 3. As can be seen from Table 3, Examples 3 to 5 of the present invention.
The nonwoven fabric to which the chitosan acetate is adhered has a very high rate of bacteria reduction.

【0043】[0043]

【表3】 [Table 3]

【0044】[0044]

【発明の効果】本発明の抗菌抗カビ防臭性長繊維の製造
方法および抗菌抗カビ防臭性長繊維不織布の製造方法
は、キトサンに水を加えて膨潤させた後、水と有機酸と
を加えてキトサン有機酸塩の水溶液を作成し、このキト
サン有機酸塩の水溶液と延伸油剤とを混合して混合液を
作成し、溶融紡糸した糸条に前記混合液を塗布するもの
であり、このため糸条への均一な塗布が可能となって、
得られる長繊維や不織布の全体に亘って均一にキチンの
脱アセチル化物を塗布させた状態とすることができ、し
たがって、この長繊維や不織布に優れた抗菌性、抗カビ
性および防臭性を発現させることができる。しかも、キ
チンの脱アセチル化物の有機酸塩を用いているので、無
毒性であると共に、使用に際してカブレなど人体への影
響を生じることもなく、極めて安全性が高い。従って、
一般衣料材、特に医療衛生材、寝装材用素材として好適
に使用することができる。
The method for producing the antibacterial and antifungal deodorant long fiber of the present invention and the method for producing the antibacterial and antifungal deodorant long fiber nonwoven fabric are described below. The water is added to chitosan to swell, and then water and an organic acid are added. To prepare an aqueous solution of an organic acid salt of chitosan, mix the aqueous solution of the organic acid salt of chitosan and a drawing oil to prepare a mixed solution, and apply the mixed solution to a melt-spun yarn. Uniform application to the yarn becomes possible,
The resulting long fibers or nonwoven fabric can be uniformly coated with the deacetylated product of chitin over the entirety of the obtained long fibers or nonwoven fabric, and thus exhibit excellent antibacterial, antifungal and deodorant properties on the long fibers and nonwoven fabric. Can be done. Moreover, since an organic acid salt of a deacetylated product of chitin is used, it is non-toxic, and does not cause harm to the human body such as rash when used, so that the safety is extremely high. Therefore,
It can be suitably used as a general clothing material, particularly as a material for medical hygiene and bedding.

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平2−127596(JP,A) 特開 昭63−290808(JP,A) 特開 昭63−225602(JP,A) 特開 平2−154053(JP,A) 特開 平4−82965(JP,A) 特開 昭59−179817(JP,A) 特開 昭63−50575(JP,A) (58)調査した分野(Int.Cl.7,DB名) D06M 11/00 - 23/18 D01F 11/00 - 11/16 A61L 2/16 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-2-127596 (JP, A) JP-A-63-290808 (JP, A) JP-A-63-225602 (JP, A) JP-A-2- 154053 (JP, A) JP-A-4-82965 (JP, A) JP-A-59-179817 (JP, A) JP-A-63-50575 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) D06M 11/00-23/18 D01F 11/00-11/16 A61L 2/16

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 キトサンに水を加えて膨潤させた後、水
と有機酸とを加えてキトサン有機酸塩の水溶液を作成
し、このキトサン有機酸塩の水溶液と延伸油剤とを混合
して混合液を作成し、溶融紡糸した糸条の延伸工程中に
前記混合液を前記糸条に塗布することを特徴とする抗菌
抗カビ防臭性長繊維の製造方法。
After swelling chitosan by adding water, water and an organic acid are added to prepare an aqueous solution of an organic acid salt of chitosan , and this aqueous solution of an organic acid salt of chitosan is mixed with a stretching oil agent.
During the drawing process of the melt spun yarn.
A method for producing an antibacterial, antifungal, and deodorant long fiber , comprising applying the mixture to the yarn .
【請求項2】 キトサンに水を加えて膨潤させた後、水
と有機酸とを加えてキトサン有機酸塩の水溶液を作成
し、このキトサン有機酸塩の水溶液と延伸油剤とを混合
して混合液を作成し、溶融紡糸した糸条の延伸工程中に
前記混合液を前記糸条に塗布することで得られる長繊維
を不織布化することを特徴とする抗菌抗カビ防臭性長繊
維不織布の製造方法。
2. After swelling chitosan by adding water, water
To prepare an aqueous solution of chitosan organic acid salt
Then, the aqueous solution of the organic acid salt of chitosan and the stretching oil are mixed.
During the drawing process of the melt spun yarn.
Long fiber obtained by applying the mixture to the yarn
Antibacterial, antifungal and deodorant long fiber characterized by making nonwoven fabric
Manufacturing method of fiber non-woven fabric.
JP3208350A 1990-08-21 1991-08-21 Method for producing antibacterial antifungal deodorant long fiber and method for producing antibacterial antifungal deodorant long fiber nonwoven fabric Expired - Fee Related JP3048431B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3208350A JP3048431B2 (en) 1990-08-21 1991-08-21 Method for producing antibacterial antifungal deodorant long fiber and method for producing antibacterial antifungal deodorant long fiber nonwoven fabric

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP22078090 1990-08-21
JP2-220780 1990-08-21
JP3208350A JP3048431B2 (en) 1990-08-21 1991-08-21 Method for producing antibacterial antifungal deodorant long fiber and method for producing antibacterial antifungal deodorant long fiber nonwoven fabric

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JPH0544165A JPH0544165A (en) 1993-02-23
JP3048431B2 true JP3048431B2 (en) 2000-06-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6800789B2 (en) 2000-05-12 2004-10-05 Kao Corporation Absorbent article

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1678215A (en) * 2000-04-06 2005-10-05 金伯利-克拉克环球有限公司 Finger glove
CN103085399A (en) * 2012-12-12 2013-05-08 吴江麦道纺织有限公司 Elastic warm-keeping fabric
CN110894642B (en) * 2019-12-16 2021-06-22 中科纺织研究院(青岛)有限公司 Chitin modified PP spunbonded non-woven fabric

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6800789B2 (en) 2000-05-12 2004-10-05 Kao Corporation Absorbent article

Also Published As

Publication number Publication date
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