JP2715088B2 - Swimsuit with reduced fluid resistance - Google Patents
Swimsuit with reduced fluid resistanceInfo
- Publication number
- JP2715088B2 JP2715088B2 JP63036173A JP3617388A JP2715088B2 JP 2715088 B2 JP2715088 B2 JP 2715088B2 JP 63036173 A JP63036173 A JP 63036173A JP 3617388 A JP3617388 A JP 3617388A JP 2715088 B2 JP2715088 B2 JP 2715088B2
- Authority
- JP
- Japan
- Prior art keywords
- swimsuit
- fluid resistance
- aqueous solution
- concentration
- organic polymer
- 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.)
- Expired - Lifetime
Links
Landscapes
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、流体抵抗に対する軽減性に優れた水着に関
し、特に競泳用として好適な水着を提供するものであ
る。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a swimsuit excellent in reducing fluid resistance, and more particularly to providing a swimsuit suitable for swimming.
［従来の技術］ 従来、水流の抵抗を緩和する目的で、水泳する際水着
に空気や水が侵入しないような構造改良がなされてお
り、例えばフードと水着を一体化した構成などが提案さ
れている。[Prior Art] Conventionally, for the purpose of reducing the resistance of water flow, structural improvements have been made so that air or water does not enter a swimsuit when swimming. For example, a configuration in which a hood and a swimsuit are integrated has been proposed. I have.
［発明が解決しようとする課題］ ところが、構造改良を主体とした従来の水着は、縫製
その他の加工に手数を要するのみならず、流体抵抗を充
分に軽減することが困難であった。[Problems to be Solved by the Invention] However, conventional swimsuits mainly for structural improvement not only require trouble in sewing and other processes, but also have difficulty in sufficiently reducing fluid resistance.
本発明は、上記した従来技術とは全く発想を異にする
流体抵抗軽減性の水着を提供するものである。The present invention is to provide a swimsuit with a reduced fluid resistance, which is completely different from the above-mentioned prior art.
ある種のポリマー溶液は水の乱流摩擦抵抗を減少させ
る効能があり、トムズ効果として知られている。トムズ
効果の特徴は、乱流域で発生して流速の増加とともに摩
擦減少率が大きくなること、円管内の流れでは同一溶
液、同一レイノルズ数でも管径により管摩擦係数が異な
り、小径ほど小さなレイノルズ数から効果が現れるこ
と、非常に希薄な濃度では効果が現出せず、またある濃
度を越えると摩擦抵抗の減少率は徐々に低下すること、
等である。Certain polymer solutions have the ability to reduce the turbulent frictional resistance of water, known as the Toms effect. The characteristics of the Toms effect are that the friction reduction rate increases as the flow velocity increases due to the turbulent flow area. The effect appears from the point, the effect does not appear at very dilute concentration, and the friction reduction rate gradually decreases after a certain concentration,
And so on.
本発明は、このトムズ効果が水着に応用できる点に着
目し、最も流体抵抗軽減性に優れる条件を見出して開発
に至ったものである。The present invention focuses on the point that this Toms effect can be applied to swimwear, and has found out the conditions that are most excellent in reducing fluid resistance, and has led to the development.
［課題を解決する為の手段］ すなわち、本発明に係る流体抵抗軽減性の水着は、繊
維面に分子量200,000〜5,000,000を有する直鎖状有機ポ
リマーの水溶液を塗付してなることをその特徴とする。[Means for Solving the Problems] That is, the swimsuit of the fluid resistance reducing according to the present invention is characterized in that a fiber surface is coated with an aqueous solution of a linear organic polymer having a molecular weight of 200,000 to 5,000,000. I do.
分子量200,000〜5,000,000を有する直鎖状有機ポリマ
ーとしては、例えば各種の水溶性ゴム類、ヒドロキシエ
チルセルローズまたはカルボキシメチルセルローズのよ
うなセルローズ系高分子化合物、ポリエチレンオキサイ
ド、ポリアクリルアミド等が用いられるが、特にポリエ
チレンオキサイドが有効である。As the linear organic polymer having a molecular weight of 200,000 to 5,000,000, for example, various water-soluble rubbers, cellulose-based polymer compounds such as hydroxyethyl cellulose or carboxymethyl cellulose, polyethylene oxide, polyacrylamide, and the like are used. Polyethylene oxide is effective.
これら有機ポリマーは、水溶液の状態で、水着を構成
する繊維面に塗付される。These organic polymers are applied in the form of an aqueous solution to the fiber surfaces constituting the swimsuit.
この場合の水溶液濃度は、従来公知の重量分率法によ
る測定法を用いてなされるが、これによれば回転円盤の
40rps時に35％の摩擦減少率になる濃度として10ppm以
上、より好適には10〜500ppmに設定することが望まし
い。In this case, the concentration of the aqueous solution is measured using a conventionally known weight fraction method.
It is desirable to set the concentration at which the friction reduction rate of 35% at 40 rps is 10 ppm or more, more preferably 10 to 500 ppm.
有機ポリマーの水溶液を水着繊維面に塗付するには、
刷毛塗り、浸漬などの手段が適用される。塗付した繊維
は有機ポリマーが若干の粘性を帯びる半硬化の状態まで
乾燥して固着させる。To apply an aqueous solution of an organic polymer to the fiber surface of a swimsuit,
Means such as brushing and dipping are applied. The applied fiber is dried and fixed to a semi-cured state in which the organic polymer is slightly viscous.
［作用］ 上記の条件によって直鎖状有機ポリマーの水溶液を塗
布した水着は、水と接触した際にトムズ効果が発揮され
その粘性と配向性の作用によって流体抵抗が著しく軽減
される。[Action] In a swimsuit coated with an aqueous solution of a linear organic polymer under the above conditions, the Toms effect is exhibited when it comes into contact with water, and the fluid resistance is significantly reduced by the action of its viscosity and orientation.
［実 施 例］ ナイロンとポリウレタン交編のワンピース型競泳用水
着の繊維面に、分子量4,000,000〜5,000,000を有するポ
リエチレンモノオキサイドの水溶液を塗付した。この際
の溶液濃度は、従来公知の重量分率法による測定法を用
いてなされるが、これによって回転円盤の40rps時に35
％の摩擦減少率になる濃度として20ppmに設定した。Example An aqueous solution of polyethylene monooxide having a molecular weight of 4,000,000 to 5,000,000 was applied to the fiber surface of a one-piece swimsuit made of nylon and polyurethane mixed and knitted. The solution concentration at this time is measured using a conventionally known weight fraction method.
% Was set at 20 ppm as a concentration that resulted in a reduction in friction.
このようにして有機ポリマーの水溶液を塗付した水着
につき流体抵抗を計測した結果を、流速と抗力の関係図
として図に示した。なお、比較のために有機ポリマーを
塗付しない元の水着についても同様に測定し、図に併載
した。The results of measuring the fluid resistance of the swimsuit to which the aqueous solution of the organic polymer was applied as described above are shown in the figure as a relationship diagram between the flow velocity and the drag. For comparison, an original swimsuit to which the organic polymer was not applied was also measured in the same manner and is shown in the figure.
図の結果から、本発明の水着は、元の水着に比べ明ら
かに流体抵抗が軽減されていることが確認される。From the results shown in the figure, it is confirmed that the fluid resistance of the swimsuit of the present invention is clearly reduced as compared with the original swimsuit.
［発明の効果］ 本発明によれば、トムズ効果の応用によって極めて流
体抵抗に対する軽減性に優れる水着が提供されるから、
特に競泳用水着として有用性が発揮される。[Effects of the Invention] According to the present invention, a swimsuit that is extremely excellent in reducing fluid resistance is provided by applying the Toms effect,
In particular, it is useful as a swimsuit for swimming.
第一図は、本発明の水着と比較例の水着につき流体抵抗
を測定した結果を示したものである。FIG. 1 shows the results of measuring the fluid resistance of the swimsuit of the present invention and the swimsuit of the comparative example.
Claims (2)
する直鎖状ポリマーの水溶液を塗布して成る液体抵抗軽
減性の水着。A liquid resistance reducing swimsuit obtained by applying an aqueous solution of a linear polymer having a fiber surface and a molecular weight of 4,000,000 to 5,000,000.
円盤の40rps時に35％の摩擦減少率になる濃度として10p
pm以上に設定する請求項１記載の流体抵抗軽減性の水
着。2. The concentration of the aqueous solution of the chain organic polymer is set to 10 p as a concentration at which a friction reduction rate of 35% is obtained at 40 rps of a rotating disk.
The fluid resistance reducing swimsuit according to claim 1, wherein the swimsuit is set to pm or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63036173A JP2715088B2 (en) | 1988-02-18 | 1988-02-18 | Swimsuit with reduced fluid resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63036173A JP2715088B2 (en) | 1988-02-18 | 1988-02-18 | Swimsuit with reduced fluid resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01213403A JPH01213403A (en) | 1989-08-28 |
| JP2715088B2 true JP2715088B2 (en) | 1998-02-16 |
Family
ID=12462354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63036173A Expired - Lifetime JP2715088B2 (en) | 1988-02-18 | 1988-02-18 | Swimsuit with reduced fluid resistance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2715088B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007142232A1 (en) | 2006-06-09 | 2007-12-13 | Mizuno Corporation | Swimsuit and process for manufacturing the same |
| WO2010007986A1 (en) | 2008-07-18 | 2010-01-21 | 美津濃株式会社 | Sportswear |
| US11103026B2 (en) | 2014-08-27 | 2021-08-31 | Nike, Inc. | Article of footwear with soil-shedding performance |
| US11445782B2 (en) | 2014-08-27 | 2022-09-20 | Nike, Inc. | Articles of footwear, apparel, and sports equipment with soil-shedding properties |
| US11517071B2 (en) | 2014-08-27 | 2022-12-06 | Nike, Inc. | Article of footwear with soil-shedding performance |
| US11540591B2 (en) | 2016-03-02 | 2023-01-03 | Nike, Inc. | Hydrogel tie layer |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT237447Y1 (en) * | 1997-04-21 | 2000-09-13 | De La Rue Royale Diana Spa | BATHING SUIT PRESENTING A REDUCED FLUID DYNAMIC RESISTANCE |
| JP6188114B2 (en) * | 2010-06-23 | 2017-08-30 | 国立研究開発法人 海上・港湾・航空技術研究所 | Friction resistance reducing paint, friction resistance reducing paint film and ship |
| US8822013B2 (en) | 2010-12-01 | 2014-09-02 | Toray Industries, Inc. | Woven fabric for swimsuits, and swimsuit |
| JP6291691B2 (en) * | 2017-03-30 | 2018-03-14 | 国立研究開発法人 海上・港湾・航空技術研究所 | Friction resistance reducing paint, friction resistance reducing paint film and ship |
| CN114729477B (en) | 2019-11-21 | 2023-08-22 | 东丽株式会社 | Fabric for swimwear and swimwear using same |
| CN111063489B (en) * | 2019-12-25 | 2021-03-16 | 广饶六合化工有限公司 | Preparation method of corrosion-resistant scouring-resistant resistance reducing agent |
-
1988
- 1988-02-18 JP JP63036173A patent/JP2715088B2/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007142232A1 (en) | 2006-06-09 | 2007-12-13 | Mizuno Corporation | Swimsuit and process for manufacturing the same |
| JP4839372B2 (en) * | 2006-06-09 | 2011-12-21 | 美津濃株式会社 | Swimsuit and manufacturing method thereof |
| WO2010007986A1 (en) | 2008-07-18 | 2010-01-21 | 美津濃株式会社 | Sportswear |
| US11103026B2 (en) | 2014-08-27 | 2021-08-31 | Nike, Inc. | Article of footwear with soil-shedding performance |
| US11178933B2 (en) | 2014-08-27 | 2021-11-23 | Nike, Inc. | Article of footwear with soil-shedding performance |
| US11445782B2 (en) | 2014-08-27 | 2022-09-20 | Nike, Inc. | Articles of footwear, apparel, and sports equipment with soil-shedding properties |
| US11517071B2 (en) | 2014-08-27 | 2022-12-06 | Nike, Inc. | Article of footwear with soil-shedding performance |
| US11540591B2 (en) | 2016-03-02 | 2023-01-03 | Nike, Inc. | Hydrogel tie layer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01213403A (en) | 1989-08-28 |
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