JP3807914B2 - Moisture absorption exothermic / moisture release cooling fabric - Google Patents
Moisture absorption exothermic / moisture release cooling fabric Download PDFInfo
- Publication number
- JP3807914B2 JP3807914B2 JP2000276875A JP2000276875A JP3807914B2 JP 3807914 B2 JP3807914 B2 JP 3807914B2 JP 2000276875 A JP2000276875 A JP 2000276875A JP 2000276875 A JP2000276875 A JP 2000276875A JP 3807914 B2 JP3807914 B2 JP 3807914B2
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- JP
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- Prior art keywords
- fabric
- moisture
- moisture absorption
- exothermic
- 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.)
- Expired - Lifetime
Links
- 239000004744 fabric Substances 0.000 title claims description 60
- 238000010521 absorption reaction Methods 0.000 title claims description 29
- 238000001816 cooling Methods 0.000 title claims description 19
- 239000000835 fiber Substances 0.000 claims description 45
- 229920000728 polyester Polymers 0.000 claims description 26
- 150000002433 hydrophilic molecules Chemical class 0.000 claims description 20
- 238000012545 processing Methods 0.000 claims description 17
- 238000003795 desorption Methods 0.000 claims description 5
- 230000020169 heat generation Effects 0.000 claims description 5
- 230000000379 polymerizing effect Effects 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 description 21
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- 238000006116 polymerization reaction Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 11
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- 238000011156 evaluation Methods 0.000 description 7
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- 239000003795 chemical substances by application Substances 0.000 description 4
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- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
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- XXQBEVHPUKOQEO-UHFFFAOYSA-N potassium superoxide Chemical compound [K+].[K+].[O-][O-] XXQBEVHPUKOQEO-UHFFFAOYSA-N 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
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- PAOHAQSLJSMLAT-UHFFFAOYSA-N 1-butylperoxybutane Chemical group CCCCOOCCCC PAOHAQSLJSMLAT-UHFFFAOYSA-N 0.000 description 1
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- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- SJIXRGNQPBQWMK-UHFFFAOYSA-N 2-(diethylamino)ethyl 2-methylprop-2-enoate Chemical compound CCN(CC)CCOC(=O)C(C)=C SJIXRGNQPBQWMK-UHFFFAOYSA-N 0.000 description 1
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- 229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 description 1
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 description 1
- YQUDMNIUBTXLSX-UHFFFAOYSA-N 2-ethenyl-5-ethylpyridine Chemical compound CCC1=CC=C(C=C)N=C1 YQUDMNIUBTXLSX-UHFFFAOYSA-N 0.000 description 1
- VMWGBWNAHAUQIO-UHFFFAOYSA-N 2-ethenyl-6-methylpyridine Chemical compound CC1=CC=CC(C=C)=N1 VMWGBWNAHAUQIO-UHFFFAOYSA-N 0.000 description 1
- AGBXYHCHUYARJY-UHFFFAOYSA-N 2-phenylethenesulfonic acid Chemical compound OS(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-N 0.000 description 1
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- 102000008186 Collagen Human genes 0.000 description 1
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Landscapes
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Description
【０００１】
【発明の属する技術分野】
本発明は、吸湿発熱性／放湿冷却性に優れたポリエステル繊維布帛に関する。本発明は、特に、インナーや裏地、またはスポーツ衣料などに用いることのできる衣料用素材、布団側地などに用いることのできる寝具用素材、テント等の素材として好適に使用することができる吸湿発熱性／放湿冷却性に優れたポリエステル繊維布帛に関する。
【０００２】
【従来の技術】
従来、吸湿発熱性を有する繊維布帛としては、羊毛を用いた布帛が知られているが、その他にアクリル系吸湿発熱性繊維を混紡、混繊等により含有させた布帛が、吸放湿吸水発熱性保温品として、特開平６−２９４００６号公報に開示されている。また、特開２０００−１２９５７４号公報には、高吸放湿吸湿発熱性微粒子を接着剤を用いて不織布に固着することにより、布帛に吸湿発熱性を付与することが開示されている。
【０００３】
しかしながら、上記の方法により得られる吸湿発熱性布帛は、製造の際の取扱いが煩雑であるため、より取扱いが簡単で工業生産に適しているポリエステル繊維による吸湿発熱性布帛の開発が望まれていた。
【０００４】
【発明が解決しようとする課題】
本発明は、上記の如き従来技術の問題点を解決し、ポリエステル繊維を用いた吸湿発熱性布帛を提供することを課題としている。
【０００５】
【課題を解決するための手段】
本発明は、上記課題を解決するため、ポリオキシアルキレン基を含み、ラジカル重合可能な二重結合を２個以上有する親水性化合物を繊維表面で重合させることにより加工されたポリエステル繊維を含む布帛であって、加工前の繊維を含む布帛に対比して、吸湿発熱による温度上昇が０．５℃以上であり、放湿冷却による温度降下が０．５℃以上である、摩擦帯電圧が２分の１以下である、吸湿発熱性／放湿冷却性布帛を提供する。
【０００６】
【発明の実施の形態】
本発明の吸湿発熱／放湿冷却性布帛は、特殊な吸湿発熱性繊維を混紡、混繊したり、吸湿発熱性微粒子を接着剤で固着することにより吸湿発熱性を付与するものではなく、親水性化合物を繊維表面で重合させることにより吸湿発熱性を付与したポリエステル繊維を用いるものである。
【０００７】
本発明に有用な親水性化合物としては、ポリオキシアルキレン基を含み、ラジカル重合可能な二重結合を２個以上有する親水性化合物が好ましく、例えば、下記一般式（１）または（２）の化合物が挙げられる。
【０００８】
【化１】
〔上式中、Ｒは
【００１０】
【化２】
または−Ｃn Ｈ2n−（ここでｎは１〜６の整数を表す）を表し、ＺはＨまたは−ＣＨ3 を表し、ａおよびｂはａ＋ｂが０〜５０となるような０または正の整数を表し、ｘおよびｙはｘ＋ｙが０〜３０となるような０または正の整数を表す。但し、ａ＋ｂ＋ｘ＋ｙは１０以上であるものとする〕
【００１２】
【化３】
〔上式中、ＺはＨまたは−ＣＨ 3 を表し、ｃおよびｚは０〜５０となる０または正の整数を表す。但し、ｃ＋ｚは２〜５０であるものとする〕
また、その具体例として、下記式（３）、（４）、（５）および（６）の化合物を挙げることができる。
【００１４】
【化４】
【化５】
【化６】
【化７】
本発明においては、繊維表面での重合に際して、上記親水性化合物とともに、これと共重合可能な単量体化合物を用いてもよい。かかる共重合可能な単量体化合物としては、例えば、アクリル酸、メタクリル酸、スチレンスルホン酸、マレイン酸、イタコン酸、クトロン酸、ビニルスルホン酸、２−アリルオキシ−２−ヒドロキシプロパンスルホン酸、ターシャリーブチルアクリルアミドスルホン酸、２−アクリルアミド−２−メチルプロパンスルホン酸、４−ビニルピリジン、２−ビニルピリジン、２−ビニル−６−メチルピリジン、ジメチルアミノエチルメタクリレート、ジエチルアミノエチルメタクリレート、２−メチル−５−ビニルピリジン、２−ビニル−５−エチルピリジン、４−（４−プロペニルブチニル）ピリジン、ジメチルアミノプロピルメタクリルアミド、Ｎ−メチロールアクリルアミド、Ｎ−メチロールメタクリルアミド、Ｎ，Ｎ−メチレンビスアクリルアミドなどを挙げることができる。
【００１９】
また、上記親水性化合物を含む単量体化合物の重合、すなわち、上記親水性化合物もしくは親水性化合物と共重合性単量体化合物との重合に際し、架橋のための添加剤としてメラミン系樹脂、グリオキサール系樹脂、エポキシ系樹脂等の反応性樹脂やイミン系架橋剤を併用してもよく、また重合開始剤として過酸化カリウム、過硫酸アンモニウム、過酸化水素、ベンゾイルパーオキシド、アゾビスイソブチロニトリル、ターシャリーブチルパーオキシドなどを併用してもよく、さらにセリシン、フィブロイン、コラーゲンなどの天然高分子を重合系に添加してもよい。
【００２０】
本発明に用いられる、繊維表面において親水性化合物が重合されたポリエステル繊維においては、親水性化合物がポリエステル繊維を構成するポリエステルにグラフト重合している場合や、親水性化合物がポリエステル繊維を構成するポリエステルに直接グラフト重合しているのではなく、ポリエステル繊維上で親水性化合物どうしが、またはこれと上記共重合性単量体化合物とが重合している場合とが考えられるが、本発明においてはそのいずれであってもよい。上記単量体化合物がポリエステル繊維上で公知の乾熱処理のみにより処理されている場合には重合反応は起こらないため、湿熱処理、吸尽処理、電子線処理、紫外線処理、マイクロ波処理等により単量体化合物が重合されていることが必要である。また、かかる単量体化合物の重合反応は、繊維表面だけではなく、表面近傍の繊維内部においても起こるので、本発明においてはそのような場合をも含むものである。
【００２１】
また、本発明の吸湿発熱性／放湿冷却性布帛としては、上記の如き親水性化合物が繊維表面で重合されたポリエステル繊維を主として含む繊維からなる織物、編物、不織布などを挙げることができ、本発明の目的を損なわない範囲の低混率であれば、綿、羊毛などの天然繊維や、ナイロン、アクリルなどの合成繊維、レーヨンなどの再生繊維、アセテートなどの半合成繊維を含んでいてもよい。
【００２２】
本発明の吸湿発熱性／放湿冷却性布帛を製造する際には、親水性化合物およびこれと併用される他の化合物の付与量は生地重量の０．１〜２０重量％であるのが好ましく、より好ましくは１〜１５重量％、特に好ましくは３〜１０重量％である。付与量が０．１重量％未満であると所望の効果が得られにくくなり、また２０重量％を超えると風合が硬くなるとともに、ポリエステル繊維布帛に特有のイージーケアー性が低下してしまう（寸法安定性がなくなり、シワも発生しやすくなる）恐れがある。
【００２３】
本発明の布帛は、吸湿性を有しており、湿気を吸って発熱する性質を有している。しかして、本発明の布帛においては、この吸湿発熱による温度上昇が加工前（繊維表面での親水性化合物の重合による加工前のものをいう（以下において同じ））の繊維を含む布帛に対比して０．５℃以上である。
上記において、加工前の繊維を含む布帛とは、繊維表面での親水性化合物の重合による加工を行わなかった以外は、この加工を行った繊維を含む布帛と全く同一の構成を有する布帛をいう（以下において同じ）。
【００２４】
また、本発明の布帛は、吸収した湿気を放湿する性質も有しており、この放湿時に冷却する性能を有しており、この放湿冷却による温度降下が加工前の繊維を含む布帛に対比して０．５℃以上である。
上記の如く、本発明の布帛は、湿気を吸ったり吐いたりする吸放湿性を有しており、この吸放湿量差は０．５〔（ｇ／ｇ）×１００〕以上であるのが好ましい。
【００２５】
さらに、本発明の布帛においては、摩擦帯電圧が加工前の繊維を含む布帛に対比して、その２分の１以下であるのが好ましい。
また、本発明の布帛においては、用いられる親水性化合物やこれと併用される他の化合物を適宜に選択することによって、それらの性質に応じて、消臭性、吸水性、ＳＲ性（防汚性）などを付与することもできる。
【００２６】
また、上記の親水性化合物が重合によりポリエステル繊維表面に結着される前または後に、公知の抗菌剤、ＳＲ剤、防炎剤、帯電防止等を公知の方法を用いて付与することも可能である。
本発明の吸湿発熱性／放湿冷却性布帛は、以下のようにして製造することができる。
【００２７】
例えば、本発明の布帛は、必要に応じて精練、染色および抗菌加工、ＳＲ加工、防炎加工などが施された、ポリエステル繊維を主として含む布帛に対して、ポリオキシアルキレン基を含み、ラジカル重合可能な二重結合を２個以上有する親水性化合物またはこれと他の併用化合物とを、ポリエステル繊維表面で重合させることにより得ることができる。重合のための具体的方法としては、例えば、液流染色機などを用い、上記化合物を含む処理液中において１００〜１５０℃で５分〜４時間処理する浸漬処理法や、前記処理液を布帛に付与した後、必要に応じて３０〜１８０℃で乾燥し、水蒸気を満たした９０〜１４０℃の雰囲気中にて１〜６０分間処理する湿熱処理、前記処理液を布帛に付与する前またはその後にマイクロ波、電子線、紫外線等を照射する方法であってもよい。また、かかる重合反応の際に周囲の雰囲気を窒素等により置換すると、発生したラジカルの消失を防ぎ、化合物の有効利用率の向上を図ることができるので好ましい。
【００２８】
このような方法により親水性化合物を含む単量体化合物の重合物をポリエステル繊維表面に結着させた後、布帛に付着している未反応化合物を除去するため、ソーピングを行なうのがよい。
また、次いで、必要に応じて、公知の抗菌剤、ＳＲ剤、防炎剤、帯電防止剤等を公知の方法により付与してもよい。
【００２９】
【実施例】
以下に実施例により本発明をさらに説明するが、本発明はこれらの実施例により何ら限定されるものではない。
実施例における各性能評価は、次の方法により行なった。
吸湿発熱温度上昇
安立計器株式会社製温度センサー（モデル５１３Ｅ）の温度感知部に袋状にした評価サンプルを取り付け、その状態で、２０℃、４０％ＲＨの環境下で調湿する。温度が２０℃になっていることを確認したあと、そのサンプルを取り付けた温度センサーを２０℃、９０％ＲＨの環境下に運び込み、温度変化を経時的に記録する。吸湿発熱温度上昇の値を、２０℃、９０％ＲＨの環境下に運び込んだ時点から５分後の温度と２０℃との差として記録する。
【００３０】
放湿冷却温度降下
吸湿発熱温度上昇の場合と同様に評価サンプルを温度センサーに取り付け、その状態で２０℃、９０％ＲＨの環境下で調湿する。温度が２０℃になっていることを確認したあと、そのサンプルを取り付けた温度センサーを２０℃、４０％ＲＨの環境下に運び込み、温度変化を経時的に記録する。放湿冷却温度降下の値を、２０℃、４０％ＲＨの環境下に運び込んだ時点から５分後の温度と２０℃との差として記録する。
【００３１】
吸放湿量差
評価サンプルに対して、２０℃、６５％ＲＨの環境下での吸湿量（Ｗ1 ）と、３０℃、９０％ＲＨの環境下での吸湿量（Ｗ2 ) および１０５℃のオーブン中で２時間放置した直後の重量（Ｗ0 ）を測定する。これらの測定値から、吸放湿量差の値を、下記の式により求める。単位は〔（ｇ／ｇ）×１００〕とする。
【００３２】
吸放湿量差＝〔（Ｗ2 −Ｗ1 ）／Ｗ0 〕×１００
摩擦帯電圧
ＪＩＳ Ｌ１０９４（織物および編物の帯電性試験方法）の摩擦帯電圧測定法により測定を行なった。摩擦布として綿を使用し、温湿度条件を２０℃、４０％ＲＨとした。
【００３３】
なお、各性能の測定は、測定資料の初期（洗濯前）サンプルに対してと、洗濯耐久性を評価するために洗濯２０回後のサンプルに対して行なった。洗濯の方法は、ＪＩＳ Ｌ０２１７ １０３法によった。
実施例１
生地重量が１００ｇ／ｍ2 であるポリエステル仮撚加工糸使いのタフタ織物に対して、常法でリラックス精練、プレセット、アルカリ減量加工および染色を順次に行い、次いで下記組成の処理液をパディング法により絞り率６０重量％で付与し、スチーミング（湿熱処理）、ソーピングおよび仕上セットを行って、吸湿発熱性／放湿冷却性に優れた布帛を得た。重合性単量体化合物の付着量は、生地重量の６％であった。
【００３４】
得られた布帛の性能評価結果は、表１の通りであった。
重合処理液組成
単量体Ａ：式（５) の化合物 １０重量％
単量体Ｂ：メタクリル酸 １重量％
ラジカル重合開始剤：過硫酸アンモニウム １重量％
水 ８８重量％
比較例１（実施例１の加工前の布帛)
実施例１と同じ操作を繰り返して、リラックス精練、プレセット、アルカリ減量加工および染色を順次に行った後、仕上セットを行った。
【００３５】
得られた染色仕上加工布帛の性能評価結果は、表１の通りであった。
【００３６】
【表１】
実施例２
生地重量が２００ｇ／ｍ2 であるポリエステル仮撚加工糸使いのインターロック編地に対して、常法でリラックス精練、プレセットおよび染色を順次に行い、次いで実施例１で用いたものと同じ組成の重合処理液をパディング法により絞り率８０重量％で付与し、乾燥、スチーミング（湿熱処理）、ソーピングおよび仕上セットを行って、吸湿発熱性／放湿冷却性に優れた布帛を得た。重合性単量体化合物の付着量は、生地重量の８％であった。
【００３８】
得られた布帛の性能評価結果は、表２の通りであった。
比較例２（実施例２の加工前の布帛）
実施例２と同じ操作を繰り返して、リラックス精練、プレセットおよび染色を順次に行った後、仕上セットを行った。
得られた染色仕上加工布帛の性能評価結果は、表２の通りであった。
【００３９】
【表２】
【発明の効果】
本発明によれば、ポリエステル繊維布帛に対して、後加工により容易に吸湿発熱性を付与することができ、また洗濯耐久性のある吸湿発熱性を付与することができ、加工による色の変化も小さいため染色時の色あわせが容易である。また、羊毛等とは異なり、ポリエステル繊維布帛特有のイージーケアー性（洗濯による寸法安定性）があり、取り扱いが容易である。また、ポリエステル繊維布帛であるため、制菌性等の性能も容易に付与できる。また、本発明の布帛は、吸湿発熱性だけでなく、放湿冷却性をも備えている。
【００４１】
よって、本発明の布帛をインナー材、裏地、衣服、手袋、靴、スポーツ衣料、寝具、テント等に用いれば、快適な製品を得ることができる。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a polyester fiber fabric excellent in moisture absorption exothermic property / moisture release cooling property. In particular, the present invention is a hygroscopic heat generation that can be suitably used as a material for clothing, a material for bedding that can be used for a futon side, a material for a tent, etc. The present invention relates to a polyester fiber fabric excellent in water / moisture release cooling properties.
[0002]
[Prior art]
Conventionally, a fabric using wool is known as a fiber fabric having moisture absorption and exothermic properties, but other fabrics containing acrylic moisture absorption and exothermic fibers by blending, fiber mixing, etc. are moisture absorption and desorption moisture absorption heat generation. Japanese Patent Application Laid-Open No. Hei 6-294006 discloses a heat-retaining product. Japanese Patent Application Laid-Open No. 2000-129574 discloses that moisture absorption and exothermic properties are imparted to a fabric by fixing high moisture absorption and desorption moisture exothermic fine particles to a nonwoven fabric using an adhesive.
[0003]
However, since the hygroscopic exothermic fabric obtained by the above method is complicated to manufacture, it has been desired to develop a hygroscopic exothermic fabric using polyester fibers that is easier to handle and suitable for industrial production. .
[0004]
[Problems to be solved by the invention]
An object of the present invention is to solve the above-described problems of the prior art and provide a hygroscopic exothermic fabric using polyester fibers.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the present invention provides a fabric comprising a polyester fiber processed by polymerizing a hydrophilic compound containing a polyoxyalkylene group and having two or more radically polymerizable double bonds on the fiber surface. The temperature increase due to moisture absorption heat generation is 0.5 ° C. or more, and the temperature drop due to moisture cooling is 0.5 ° C. or more, compared to the fabric containing the fibers before processing, and the frictional voltage is 2 minutes. The moisture absorption exothermic / moisture release cooling fabric is provided.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
The moisture absorption exothermic / moisture release cooling fabric of the present invention does not impart moisture absorption exothermicity by blending or mixing special moisture absorption exothermic fibers or fixing moisture absorption exothermic fine particles with an adhesive. A polyester fiber imparted with hygroscopic exothermicity by polymerizing a functional compound on the fiber surface is used.
[0007]
The hydrophilic compound useful in the present invention is preferably a hydrophilic compound containing a polyoxyalkylene group and having two or more double bonds capable of radical polymerization, such as a compound represented by the following general formula (1) or (2) Is mentioned.
[0008]
[Chemical 1]
[In the above formula, R is
[Chemical 2]
Or —C n H 2n — (where n represents an integer of 1 to 6), Z represents H or —CH 3 , and a and b are 0 or positive such that a + b is 0 to 50 An integer is represented, and x and y represent 0 or a positive integer such that x + y is 0-30. However, a + b + x + y is assumed to be 10 or more.)
[0012]
[Chemical 3]
[In the above formula, Z represents H or —CH 3 , and c and z represent 0 or a positive integer of 0-50. However, c + z shall be 2-50.)
Specific examples thereof include compounds represented by the following formulas (3), (4), (5) and (6).
[0014]
[Formula 4]
[Chemical formula 5]
[Chemical 6]
[Chemical 7]
In the present invention, at the time of polymerization on the fiber surface, a monomer compound copolymerizable therewith may be used together with the hydrophilic compound. Examples of such copolymerizable monomer compounds include acrylic acid, methacrylic acid, styrene sulfonic acid, maleic acid, itaconic acid, ctronic acid, vinyl sulfonic acid, 2-allyloxy-2-hydroxypropane sulfonic acid, and tertiary. Butylacrylamidesulfonic acid, 2-acrylamido-2-methylpropanesulfonic acid, 4-vinylpyridine, 2-vinylpyridine, 2-vinyl-6-methylpyridine, dimethylaminoethyl methacrylate, diethylaminoethyl methacrylate, 2-methyl-5 Vinylpyridine, 2-vinyl-5-ethylpyridine, 4- (4-propenylbutynyl) pyridine, dimethylaminopropylmethacrylamide, N-methylolacrylamide, N-methylolmethacrylamide, N, N-methylenebisua Or the like can be mentioned Riruamido.
[0019]
Further, in the polymerization of the monomer compound containing the hydrophilic compound, that is, in the polymerization of the hydrophilic compound or the hydrophilic compound and the copolymerizable monomer compound, a melamine resin or glyoxal is used as an additive for crosslinking. Reactive resins such as epoxy resins, epoxy resins and imine crosslinking agents may be used in combination, and as a polymerization initiator, potassium peroxide, ammonium persulfate, hydrogen peroxide, benzoyl peroxide, azobisisobutyronitrile, Tertiary butyl peroxide may be used in combination, and natural polymers such as sericin, fibroin and collagen may be added to the polymerization system.
[0020]
In the polyester fiber in which the hydrophilic compound is polymerized on the fiber surface used in the present invention, the hydrophilic compound is graft-polymerized to the polyester constituting the polyester fiber, or the polyester in which the hydrophilic compound constitutes the polyester fiber. It is conceivable that the hydrophilic compound is polymerized on the polyester fiber or the copolymerizable monomer compound is polymerized on the polyester fiber. Either may be sufficient. Since the polymerization reaction does not occur when the monomer compound is treated on the polyester fiber only by a known dry heat treatment, it can be simply performed by wet heat treatment, exhaustion treatment, electron beam treatment, ultraviolet treatment, microwave treatment, etc. It is necessary that the monomer compound is polymerized. Further, since the polymerization reaction of the monomer compound occurs not only on the fiber surface but also inside the fiber near the surface, the present invention includes such a case.
[0021]
Examples of the hygroscopic exothermic / moisture releasing cooling fabric of the present invention include woven fabrics, knitted fabrics, and non-woven fabrics composed mainly of polyester fibers in which the hydrophilic compound as described above is polymerized on the fiber surface. It may contain natural fibers such as cotton and wool, synthetic fibers such as nylon and acrylic, regenerated fibers such as rayon, and semi-synthetic fibers such as acetate as long as the low mixing ratio does not impair the purpose of the present invention. .
[0022]
When producing the hygroscopic exothermic / moisture-releasable cooling fabric of the present invention, the amount of hydrophilic compound and other compounds used in combination with it is preferably 0.1 to 20% by weight of the fabric weight. More preferably, it is 1 to 15% by weight, particularly preferably 3 to 10% by weight. When the applied amount is less than 0.1% by weight, it is difficult to obtain a desired effect. When the applied amount is more than 20% by weight, the texture becomes hard and the easy care property peculiar to the polyester fiber fabric is deteriorated ( Dimensional stability is lost and wrinkles are likely to occur).
[0023]
The fabric of the present invention has a hygroscopic property and absorbs moisture to generate heat. Thus, in the fabric of the present invention, the temperature rise due to this hygroscopic heat generation is in contrast to the fabric containing fibers before processing (that before processing by polymerization of hydrophilic compounds on the fiber surface (the same applies hereinafter)). Is 0.5 ° C. or higher.
In the above, the cloth containing fibers before processing refers to a cloth having exactly the same configuration as the cloth containing fibers subjected to this processing except that the processing by polymerization of the hydrophilic compound on the fiber surface was not performed. (Same below).
[0024]
In addition, the fabric of the present invention has a property of releasing absorbed moisture, and has a performance of cooling at the time of moisture release, and the temperature drop due to moisture release cooling includes fibers before processing. The temperature is 0.5 ° C. or higher.
As described above, the fabric of the present invention has a moisture absorbing / releasing property for sucking and discharging moisture, and this moisture absorption / release difference is 0.5 [(g / g) × 100] or more. preferable.
[0025]
Furthermore, in the fabric of the present invention, it is preferable that the frictional voltage is less than half that of the fabric including the fiber before processing.
Further, in the fabric of the present invention, by appropriately selecting the hydrophilic compound to be used and other compounds used in combination therewith, the deodorizing property, water absorbing property, SR property (antifouling property) are selected according to their properties. Etc.) can also be imparted.
[0026]
In addition, before or after the hydrophilic compound is bound to the polyester fiber surface by polymerization, a known antibacterial agent, SR agent, flameproofing agent, antistatic, etc. can be applied using a known method. is there.
The hygroscopic exothermic / moisture release cooling fabric of the present invention can be produced as follows.
[0027]
For example, the fabric of the present invention contains a polyoxyalkylene group with respect to a fabric mainly containing polyester fiber, which has been subjected to scouring, dyeing and antibacterial processing, SR processing, flameproofing processing, etc. It can be obtained by polymerizing a hydrophilic compound having two or more possible double bonds or this and other combination compounds on the polyester fiber surface. As a specific method for polymerization, for example, using a liquid dyeing machine or the like, an immersion treatment method in which treatment is performed at 100 to 150 ° C. for 5 minutes to 4 hours in a treatment solution containing the above compound, or the treatment solution is used as a fabric. After applying, the wet heat treatment is performed at 30 to 180 ° C., if necessary, in a 90 to 140 ° C. atmosphere filled with water vapor for 1 to 60 minutes, before or after applying the treatment liquid to the fabric. Alternatively, a method of irradiating microwaves, electron beams, ultraviolet rays, or the like may be used. In addition, it is preferable to replace the surrounding atmosphere with nitrogen or the like during such a polymerization reaction because it can prevent disappearance of the generated radicals and improve the effective utilization rate of the compound.
[0028]
After the polymer of the monomer compound containing the hydrophilic compound is bound to the polyester fiber surface by such a method, it is preferable to perform soaping in order to remove the unreacted compound adhering to the fabric.
Then, if necessary, a known antibacterial agent, SR agent, flameproofing agent, antistatic agent, etc. may be applied by a known method.
[0029]
【Example】
EXAMPLES The present invention will be further described below with reference to examples, but the present invention is not limited to these examples.
Each performance evaluation in the examples was performed by the following methods.
An evaluation sample in the form of a bag is attached to the temperature sensing part of a temperature sensor (model 513E) manufactured by Anritsu Meter Co., Ltd., a moisture absorption exothermic temperature rise. After confirming that the temperature is 20 ° C., the temperature sensor with the sample attached is brought into an environment of 20 ° C. and 90% RH, and the temperature change is recorded over time. The value of the temperature rise in moisture absorption exotherm is recorded as the difference between 20 ° C. and the temperature 5 minutes after being brought into the environment of 20 ° C. and 90% RH.
[0030]
As in the case of the moisture release cooling temperature drop and the moisture absorption exothermic temperature rise, the evaluation sample is attached to the temperature sensor, and the humidity is adjusted in an environment of 20 ° C. and 90% RH in that state. After confirming that the temperature is 20 ° C., the temperature sensor to which the sample is attached is brought into an environment of 20 ° C. and 40% RH, and the temperature change is recorded over time. The moisture cooling temperature drop value is recorded as the difference between 20 ° C. and the temperature 5 minutes after it was brought into the environment of 20 ° C. and 40% RH.
[0031]
Moisture absorption (W 1 ) in an environment of 20 ° C. and 65% RH, moisture absorption (W 2 ) in an environment of 30 ° C. and 90% RH, and 105 ° C. The weight (W 0 ) immediately after being left in the oven for 2 hours is measured. From these measured values, the value of the moisture absorption / desorption amount difference is obtained by the following equation. The unit is [(g / g) × 100].
[0032]
Moisture absorption / desorption difference = [(W 2 −W 1 ) / W 0 ] × 100
Friction voltage was measured by the friction voltage measurement method of JIS L1094 (Testing method for charging properties of fabrics and knitted fabrics). Cotton was used as the friction cloth, and the temperature and humidity conditions were 20 ° C. and 40% RH.
[0033]
Each performance was measured on an initial sample (before washing) of the measurement data and on a sample after 20 washings in order to evaluate washing durability. The washing method was in accordance with JIS L0217 103 method.
Example 1
For taffeta fabric using polyester false twisted yarn with a fabric weight of 100 g / m 2 , relax scouring, presetting, alkali weight loss processing and dyeing are sequentially performed in the usual manner, and then the treatment liquid having the following composition is padded. Was applied at a drawing rate of 60% by weight, and steaming (wet heat treatment), soaping and finishing set were performed to obtain a fabric excellent in moisture absorption exothermic property / moisture release cooling property. The adhesion amount of the polymerizable monomer compound was 6% of the dough weight.
[0034]
The performance evaluation results of the obtained fabric are shown in Table 1.
Polymerization treatment composition monomer A: 10% by weight of compound of formula (5)
Monomer B: 1% by weight of methacrylic acid
Radical polymerization initiator: ammonium persulfate 1% by weight
88% by weight of water
Comparative example 1 (fabric before processing of Example 1)
The same operation as in Example 1 was repeated, and after relaxing scouring, pre-setting, alkali weight reduction processing and dyeing in order, finishing set was performed.
[0035]
The performance evaluation results of the obtained dyed and finished fabric were as shown in Table 1.
[0036]
[Table 1]
Example 2
An interlock knitted fabric using a polyester false twisted yarn with a fabric weight of 200 g / m 2 was subjected to relaxing scouring, presetting and dyeing in the usual manner, and then the same composition as used in Example 1 Was applied at a drawing rate of 80% by padding method, followed by drying, steaming (wet heat treatment), soaping, and finishing set to obtain a fabric excellent in moisture absorption exothermic property / moisture release cooling property. The adhesion amount of the polymerizable monomer compound was 8% of the dough weight.
[0038]
The performance evaluation results of the obtained fabric are shown in Table 2.
Comparative example 2 (fabric before processing of Example 2)
The same operation as in Example 2 was repeated, and relaxing scouring, presetting and dyeing were sequentially performed, and then finishing set was performed.
Table 2 shows the performance evaluation results of the obtained dyed and finished fabric.
[0039]
[Table 2]
【The invention's effect】
According to the present invention, moisture absorption exothermic property can be easily imparted to the polyester fiber fabric by post-processing, and hygroscopic exothermic property with washing durability can be imparted, and color change due to processing can also be achieved. Because of its small size, it is easy to match colors during dyeing. Moreover, unlike wool etc., it has easy care property (dimensional stability by washing) peculiar to polyester fiber fabric, and is easy to handle. Moreover, since it is a polyester fiber fabric, performances such as bactericidal properties can be easily imparted. The fabric of the present invention has not only moisture absorption exothermic property but also moisture release cooling property.
[0041]
Therefore, if the fabric of the present invention is used for an inner material, lining, clothes, gloves, shoes, sports clothing, bedding, a tent, etc., a comfortable product can be obtained.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000276875A JP3807914B2 (en) | 2000-09-12 | 2000-09-12 | Moisture absorption exothermic / moisture release cooling fabric |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000276875A JP3807914B2 (en) | 2000-09-12 | 2000-09-12 | Moisture absorption exothermic / moisture release cooling fabric |
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| Publication Number | Publication Date |
|---|---|
| JP2002088653A JP2002088653A (en) | 2002-03-27 |
| JP3807914B2 true JP3807914B2 (en) | 2006-08-09 |
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| JP2000276875A Expired - Lifetime JP3807914B2 (en) | 2000-09-12 | 2000-09-12 | Moisture absorption exothermic / moisture release cooling fabric |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2008138314A (en) * | 2006-12-01 | 2008-06-19 | Asahi Kasei Fibers Corp | Fabric having excellent pollen adhesion-preventing property |
| JP5060399B2 (en) * | 2008-06-04 | 2012-10-31 | 帝人ファイバー株式会社 | Functional fabric for industrial materials |
| US20150038035A1 (en) * | 2012-02-28 | 2015-02-05 | Toray Industries, Inc. | Fiber structure |
| KR102490200B1 (en) | 2017-09-28 | 2023-01-20 | 닛폰 에쿠스란 고교 가부시키가이샤 | Fiber with moisture desorbing and cooling characteristics, and fiber structure containing the same |
| CN114934388B (en) * | 2022-06-08 | 2024-09-24 | 武汉纺织大学 | Quick-drying polyester fabric prepared by polymerization reaction and preparation method thereof |
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