JPH0482964A - Method for modifying polyamide fiber - Google Patents
Method for modifying polyamide fiberInfo
- Publication number
- JPH0482964A JPH0482964A JP19414190A JP19414190A JPH0482964A JP H0482964 A JPH0482964 A JP H0482964A JP 19414190 A JP19414190 A JP 19414190A JP 19414190 A JP19414190 A JP 19414190A JP H0482964 A JPH0482964 A JP H0482964A
- Authority
- JP
- Japan
- Prior art keywords
- polyamide fiber
- fiber
- electron beam
- nylon
- present
- 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.)
- Pending
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 32
- 239000004952 Polyamide Substances 0.000 title claims abstract description 25
- 229920002647 polyamide Polymers 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims description 17
- 239000000178 monomer Substances 0.000 claims abstract description 17
- 238000010894 electron beam technology Methods 0.000 claims abstract description 14
- 230000001678 irradiating effect Effects 0.000 claims abstract description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 11
- 229920002554 vinyl polymer Polymers 0.000 claims description 11
- 229920002292 Nylon 6 Polymers 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 abstract description 3
- 229920002302 Nylon 6,6 Polymers 0.000 abstract description 2
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 abstract description 2
- 125000002348 vinylic group Chemical group 0.000 abstract 2
- 239000004744 fabric Substances 0.000 description 7
- 229920001519 homopolymer Polymers 0.000 description 5
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000010559 graft polymerization reaction Methods 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 1
- 229920000299 Nylon 12 Polymers 0.000 description 1
- 229920001007 Nylon 4 Polymers 0.000 description 1
- 229920003189 Nylon 4,6 Polymers 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、吸水・吸湿性を向上させるポリアミド繊維の
改質方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for modifying polyamide fibers to improve water absorption and hygroscopicity.
（従来の技術） ポリアミド繊維は、耐熱性、耐摩耗性が高く。(Conventional technology) Polyamide fibers have high heat resistance and abrasion resistance.
加工が容易であるため、従、来から衣料用や産業資材用
に広範に使用されてきたが、耐光性や耐候性に劣るとい
う理由より、近年では特に衣料用の需要が少なくなって
きている。Because it is easy to process, it has traditionally been widely used for clothing and industrial materials, but demand for clothing has decreased in recent years due to poor light resistance and weather resistance. .
このような状況下で、一方では、直接人体に接触する下
着やストッキングに対する需要が伸びてきた。しかしな
がら、ポリアミド繊維は吸湿性が十分でなく１着用時に
ペタツキ感やムレ感等の問題が発生し、その改善が望ま
れていた。Under these circumstances, on the one hand, demand for underwear and stockings that come into direct contact with the human body has increased. However, polyamide fibers do not have sufficient hygroscopicity, resulting in problems such as a sticky or stuffy feeling when worn, and an improvement has been desired.
上記のような欠点を解消するため、従来より多数の提案
がなされている。例えば、特開昭５６１２９２０３号公
報には、ビニル系モノマー水溶液中で還元性触媒ととも
に熱処理を施し、グラフト重合を行って吸湿性を向上さ
せる方法が紹介されている。しかしながら、この方法に
おいても。In order to eliminate the above-mentioned drawbacks, many proposals have been made in the past. For example, Japanese Patent Application Laid-Open No. 5,612,9203 introduces a method of improving hygroscopicity by subjecting vinyl monomers to a heat treatment together with a reducing catalyst in an aqueous solution and performing graft polymerization. However, even in this method.
反応に熱を用いるため、グラフト率が制御しにくく、か
つ処理速度の向上は望めないという欠点があった。また
、 Ｊｏｕｒｎａｌ ｏｆ Ｐｏｌｙｍｅｒ ５ｃｉｅ
ｎｃｅ ：Ｐａｒｔ Ｃ，Ｎｏ、４． ＰＰ、 ６１５
〜６２９ （１９６４）には。Since heat is used for the reaction, it is difficult to control the grafting rate, and the processing speed cannot be improved. Also, Journal of Polymer 5cie
nce: Part C, No, 4. PP, 615
~629 (1964).
放射線によるナイロンへの有機酸のグラフト重合に関す
る提案もなされている。しかしながら９本文献に記載さ
れているグラフト重合方法は、まず。There have also been proposals for graft polymerization of organic acids onto nylon by radiation. However, the graft polymerization method described in this document is first.
有機酸水溶液中にナイロンを浸漬した後、放射線照射を
行うというものであって、この方法によると１本来改質
に寄与しない副生成物である有機酸のホモポリマーが大
量に生成し、実質的にグラフト率は十分に得られないと
う欠点があった。さらに、ホモポリマーの生成を抑制す
るために重合禁止剤を添加する必要があった。Nylon is immersed in an aqueous organic acid solution and then irradiated with radiation.This method produces a large amount of organic acid homopolymers, which are by-products that do not originally contribute to modification, resulting in substantial The disadvantage was that a sufficient grafting rate could not be obtained. Furthermore, it was necessary to add a polymerization inhibitor to suppress the formation of homopolymers.
（発明が解決しようとする課題）
本発明は、上記の欠点を解消し、ポリアミド繊維に効率
よく、かつ優れた吸水・吸湿性を付与する方法を提供す
ることを目的とするものである。(Problems to be Solved by the Invention) An object of the present invention is to provide a method for solving the above-mentioned drawbacks and efficiently imparting excellent water absorption and hygroscopicity to polyamide fibers.
（課題を解決するための手段）
本発明は、上記目的を達成するもので７次の構成よりな
るものである。(Means for Solving the Problems) The present invention achieves the above object and has the following seven configurations.
すなわち１本発明は、ポリアミド繊維に電子線を照射し
た後、ビニル系モノマーを付与することを特徴とするポ
リアミド繊維の改質方法を要旨とするものである。That is, one aspect of the present invention is a method for modifying polyamide fiber, which is characterized by applying a vinyl monomer to the polyamide fiber after irradiating the polyamide fiber with an electron beam.
以下１本発明の詳細な説明する。Hereinafter, one aspect of the present invention will be explained in detail.
本発明では、ポリアミド繊維を加工の対象として用いる
。ここでいうポリアミド繊維とは、ナイロン６、−１−
イロン６６、ナイロン４６．ナイロン１２、ナイロン４
に代表されるものであって、これらに限定されるもので
はないが、一般にナイロン６、ナイロン６６を好ましく
用いることができる。また、用いる繊維の形態としては
、綿状、糸状、織編物等の布帛状のいずれであってもよ
い。In the present invention, polyamide fibers are used as objects to be processed. The polyamide fiber here refers to nylon 6,-1-
Iron 66, Nylon 46. Nylon 12, Nylon 4
Although not limited to these, generally nylon 6 and nylon 66 can be preferably used. The fibers used may be in the form of cotton, thread, or fabric such as woven or knitted fabric.
本発明方法では、まず、上述のポリアミド繊維に電子線
を照射した後、ビニル系モノマーを付与することが必要
である。ビニル系モノマーを付与した後、電子線を照射
すると、ホモポリマーが大量に生成されて、目的とする
グラフト率が得られなくなる。電子線の照射条件として
は、１〜２０Ｍｒａｃｌが好ましく、５〜１０Ｍｒａｄ
がより好ましい。In the method of the present invention, it is first necessary to irradiate the above-mentioned polyamide fiber with an electron beam and then apply a vinyl monomer thereto. If the vinyl monomer is applied and then irradiated with an electron beam, a large amount of homopolymer will be produced, making it impossible to obtain the desired grafting rate. The electron beam irradiation conditions are preferably 1 to 20 Mracl, and 5 to 10 Mrad.
is more preferable.
Ｉ Ｍｒａｄ未満では、十分なグラフト率が得られず。If it is less than I Mrad, a sufficient grafting rate cannot be obtained.
２０Ｍｒａｄを超えると、繊維の物性低下が生じるので
好ましくない。また、加速電圧は、処理する試料の厚さ
によって適宜選択すればよいが１通常は１５０〜３００
ｋｖが好ましい。さらに、照射雰囲気は、甫能な限り酸
素濃度を低くしておくほうがよく、特に窒素雰囲気で行
うと好ましい結果が得られる。If it exceeds 20 Mrad, the physical properties of the fiber will deteriorate, which is not preferable. Further, the accelerating voltage may be selected appropriately depending on the thickness of the sample to be processed, but it is usually 150 to 300.
kv is preferred. Furthermore, it is preferable to keep the oxygen concentration in the irradiation atmosphere as low as possible, and preferable results can be obtained especially when the irradiation is performed in a nitrogen atmosphere.
ポリアミド繊維に電子線を照射した後、ビニル系モノマ
ーを付与するが、このときのモノマーの付与方法として
は、浸漬法、噴霧法等によって行えばよいが、これらに
限られるものではなく、適宜の方法を採用すればよい。After irradiating the polyamide fiber with an electron beam, a vinyl monomer is applied.The method of applying the monomer at this time may be a dipping method, a spraying method, etc., but is not limited to these methods. method should be adopted.
本発明でいうビニル系モノマーとしては、 （メタ）ア
クリル酸エステル、酢酸ビニル等があり。Examples of vinyl monomers used in the present invention include (meth)acrylic acid esters and vinyl acetate.
特にアクリル酸、メタクリル酸、ビニルスルホン酸等の
酸性基を有するビニルモノマーが好ましく用いられ、こ
れらを単独あるいは混合溶液として用いることができる
。また、溶液の濃度は、１％以上、２０％以下が好まし
く、３％以上、１５％以下がより好ましい。濃度が１％
未満では７十分なグラフト率が得られず、２０％を超え
ると、繊維の硬化が生じるので好ましくない。In particular, vinyl monomers having acidic groups such as acrylic acid, methacrylic acid, and vinyl sulfonic acid are preferably used, and these can be used alone or as a mixed solution. Further, the concentration of the solution is preferably 1% or more and 20% or less, more preferably 3% or more and 15% or less. Concentration is 1%
If it is less than 7%, a sufficient grafting ratio cannot be obtained, and if it exceeds 20%, the fibers will harden, which is not preferable.
本発明は１以上の構成よりなるものである。The invention consists of one or more configurations.
（作 用）
本発明方法のごとく、ポリアミド繊維にビニル系モノマ
ーを付与する前に電子線照射を行うと。(Function) As in the method of the present invention, electron beam irradiation is performed before imparting the vinyl monomer to polyamide fibers.
まず、基材にラジカルを生成させるため、ホモポリマー
の生成が極めて少なく、効率よく、かつ連続でビニル系
モノマーをポリアミド繊維にグラフト重合させることが
できるようになる。さらに。First, since radicals are generated in the base material, the generation of homopolymers is extremely small, making it possible to graft-polymerize vinyl monomers onto polyamide fibers efficiently and continuously. moreover.
モノマー溶液濃度と電子線照射線量を任意に選択するこ
とにより、目的とするグラフト率を極めて容易に得るこ
とができる。By arbitrarily selecting the monomer solution concentration and the electron beam irradiation dose, the desired grafting rate can be obtained extremely easily.
（実施例）
本発明を実施例によりさらに具体的に説明するが、実施
例における布帛の性能の測定は１次の方法で行った。(Example) The present invention will be explained in more detail with reference to Examples. The performance of the fabric in the Examples was measured by the following method.
（１） グラフト率 グラフト処理後、沸騰水中で２時間処理し。(1) Graft rate After grafting, it was treated in boiling water for 2 hours.
引き続いて９重炭酸水素ナトリウム１％水溶液中で８０
℃、１時間塩化処理を行った後。Subsequently, 80 ml of sodium bicarbonate was added in a 1% aqueous solution of 90 ml of sodium bicarbonate.
℃, after chlorination treatment for 1 hour.
酢酸１％水溶液中で８０℃、１時間中和処理を行った試
料に関する絶乾重量と未処理試料の絶乾重量を測定し１
次式により算出した。The absolute dry weight of the sample that was neutralized in a 1% acetic acid aqueous solution at 80°C for 1 hour and the absolute dry weight of the untreated sample were measured.
Calculated using the following formula.
（２）吸湿率
中和処理を行った後、再び塩化処理を行った試料につい
て、調湿重量と絶乾重量を測定し１次式により算出した
。(2) Moisture Absorption After the neutralization treatment, the sample was subjected to the chlorination treatment again, and its humidity conditioned weight and absolute dry weight were measured and calculated using a linear equation.
（ただし、調湿条件は２０℃×６５％ＲＨ中で１０時間
放置とする。）
について性質を測定し、その結果を第１表に示した。(However, the humidity control condition was that it was left for 10 hours at 20° C. x 65% RH.) The properties were measured and the results are shown in Table 1.
第 １ 表 実施例１〜３ ナイロン６タフタ（タテニア０ｄ／２４ｆ。Chapter 1 Table Examples 1-3 Nylon 6 taffeta (Tatenia 0d/24f.
１１０本／インチ、ヨコニア０ｄ／２４ｆ、８０本／イ
ンチ）を用意し、これに第１表に示した条件で電子線を
照射した後、第１表に示すモノマー濃度のアクリル酸水
溶液に浸漬することによりグラフト処理を行い１本発明
の改質ポリアミド繊維織物を得た。110 pieces/inch, Yokonia 0d/24f, 80 pieces/inch) is prepared, irradiated with an electron beam under the conditions shown in Table 1, and then immersed in an acrylic acid aqueous solution having the monomer concentration shown in Table 1. A grafting treatment was carried out in this manner to obtain a modified polyamide fiber fabric of the present invention.
比較例１〜３
実施例１〜３と同じ試料を用い、アクリル酸水溶液に浸
漬した後、電子線照射を行い、比較用の改質ポリアミド
繊維織物を得た。Comparative Examples 1 to 3 Using the same samples as in Examples 1 to 3, the samples were immersed in an aqueous acrylic acid solution and then irradiated with an electron beam to obtain modified polyamide fiber fabrics for comparison.
本発明および比較用の改質ポリアミド繊維織物第１表に
評価値を示したように１本発明の改質方法によって処理
された実施例１〜３の試料は。Modified polyamide fiber fabrics of the present invention and comparative polyamide fiber fabrics As the evaluation values are shown in Table 1, the samples of Examples 1 to 3 were treated by the modifying method of the present invention.
グラフト率が高く、吸湿性は綿量上の性能を示していた
。さらに、モノマー濃度および電子線照射線量を任意に
選択することにより、グラフト率のコントロールが容易
であることを示していた。The grafting rate was high, and the hygroscopicity showed performance in terms of cotton weight. Furthermore, it was shown that the grafting rate could be easily controlled by arbitrarily selecting the monomer concentration and electron beam irradiation dose.
方、試料にモノマーを付与した後、電子線を照射した比
較例１〜３の試料は、グラフト率が低く。On the other hand, the samples of Comparative Examples 1 to 3 in which the monomer was applied to the sample and then irradiated with the electron beam had a low grafting rate.
ホモポリマーが大量に生成していることを示しており、
吸湿性も低いものであった。This shows that a large amount of homopolymer is produced,
Hygroscopicity was also low.
（発明の効果）
本発明の改質方法によれば、ポリアミド繊維にビニル系
千ツマ−を効率よくグラフト重合させることができ、し
かも綿量上の吸湿率を得ることができる。さらに、連続
処理が可能であり、グラフト率のコントロールも極めて
容易となる。(Effects of the Invention) According to the modification method of the present invention, it is possible to efficiently graft-polymerize vinyl-based fibers onto polyamide fibers, and also to obtain a moisture absorption rate based on the amount of cotton. Furthermore, continuous processing is possible and control of the grafting rate becomes extremely easy.
Claims (1)
モノマーを付与することを特徴とするポリアミド繊維の
改質方法。(1) A method for modifying polyamide fibers, which comprises irradiating the polyamide fibers with an electron beam and then adding a vinyl monomer to the polyamide fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19414190A JPH0482964A (en) | 1990-07-23 | 1990-07-23 | Method for modifying polyamide fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19414190A JPH0482964A (en) | 1990-07-23 | 1990-07-23 | Method for modifying polyamide fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0482964A true JPH0482964A (en) | 1992-03-16 |
Family
ID=16319595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19414190A Pending JPH0482964A (en) | 1990-07-23 | 1990-07-23 | Method for modifying polyamide fiber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0482964A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2317007A4 (en) * | 2008-08-11 | 2012-06-13 | Kurashiki Boseki Kk | Sliver for spinning, process for producing same, and spun yarn and textile product both using same |
| CN113122954A (en) * | 2021-04-28 | 2021-07-16 | 江苏江山红化纤有限责任公司 | Sports fabric based on graphene polyamide 6 fibers and preparation method thereof |
-
1990
- 1990-07-23 JP JP19414190A patent/JPH0482964A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2317007A4 (en) * | 2008-08-11 | 2012-06-13 | Kurashiki Boseki Kk | Sliver for spinning, process for producing same, and spun yarn and textile product both using same |
| CN113122954A (en) * | 2021-04-28 | 2021-07-16 | 江苏江山红化纤有限责任公司 | Sports fabric based on graphene polyamide 6 fibers and preparation method thereof |
| CN113122954B (en) * | 2021-04-28 | 2022-12-16 | 江苏江山红化纤有限责任公司 | Sports fabric based on graphene polyamide 6 fibers and preparation method thereof |
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