JP3853185B2 - Thermal insulation fabric - Google Patents

Thermal insulation fabric Download PDF

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Publication number
JP3853185B2
JP3853185B2 JP2001293748A JP2001293748A JP3853185B2 JP 3853185 B2 JP3853185 B2 JP 3853185B2 JP 2001293748 A JP2001293748 A JP 2001293748A JP 2001293748 A JP2001293748 A JP 2001293748A JP 3853185 B2 JP3853185 B2 JP 3853185B2
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Prior art keywords
fabric
heat
infrared
retaining
pattern
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JP2003096663A (en
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玲 安光
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Teijin Frontier Co Ltd
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Teijin Fibers Ltd
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Priority to JP2001293748A priority Critical patent/JP3853185B2/en
Priority to EP02765502A priority patent/EP1437438B1/en
Priority to PCT/JP2002/009299 priority patent/WO2003029554A1/en
Priority to CNB028190033A priority patent/CN1293256C/en
Priority to TW91121169A priority patent/TWI251043B/en
Publication of JP2003096663A publication Critical patent/JP2003096663A/en
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Publication of JP3853185B2 publication Critical patent/JP3853185B2/en
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/45—Oxides or hydroxides of elements of Groups 3 or 13 of the Periodic Table; Aluminates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/47—Oxides or hydroxides of elements of Groups 5 or 15 of the Periodic Table; Vanadates; Niobates; Tantalates; Arsenates; Antimonates; Bismuthates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
    • D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/16—Processes for the non-uniform application of treating agents, e.g. one-sided treatment; Differential treatment
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
    • D06N7/0092—Non-continuous polymer coating on the fibrous substrate, e.g. plastic dots on fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2205/00—Condition, form or state of the materials
    • D06N2205/10—Particulate form, e.g. powder, granule
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/06—Properties of the materials having thermal properties
    • D06N2209/065—Insulating

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Woven Fabrics (AREA)
  • Building Environments (AREA)

Description

【０００１】
【発明の属する技術分野】
本発明は、保温効果に優れた布帛に関するものである。さらに詳しくは、布帛の風合いを損ねることなく、保温性が望まれる衣料に用いることができる保温性布帛に関する。
【０００２】
【従来の技術】
従来、繊維製品の保温性を高めるために、生地の厚みを厚くする、生地の組織密度を上げる、または濃色に染めるといった方法が一般に行われてきた。
【０００３】
さらに近年では、保温性をより一層高めるために、炭化系・窒化系セラミックス微粒子を練りこんだ繊維を使用する方法も提案されている。しかるに、かかる方法では、以下のような問題点があった。すなわち、かかる方法では、硬い物質を繊維に練りこむため、繊維本来の風合いが損なわれ、さらには赤外線だけでなく可視光線をも吸収してしまい、濃色品しか得られないという問題があった。
【０００４】
一方、赤外線吸収剤を布帛の裏面全面に加工し、太陽光線中の熱線を布帛の裏面で吸収することも提案されている。（例えば特開平８−３２５４７８号公報）かかる方法では、保温性は良好であるものの、赤外線吸収剤が布帛の裏面に一様に加工されているため、布帛の風合いが硬くなるとともに、赤外線吸収剤等の加工剤の使用量が増加し経済的でないという問題があった。
【０００５】
【発明が解決しようとする課題】
本発明は、前記従来技術の問題を解消するためになされたものであり、その課題は、布帛本来の風合いを損なうことなく、淡色の色相が得られ、かつ、太陽光のエネルギーを効果的かつ効率的に熱に変換することのできる保温性に優れた保温性布帛を提供することにある。
【０００６】
【課題を解決するための手段】
本発明者は、上記の課題を達成するため鋭意検討した結果、赤外線吸収剤を布帛に固着させる際、所定のパターンで固着させることにより、熱伝導を利用して、布帛本来の風合いを損なうことなく、保温性に優れた保温性布帛が得られることを知り、本発明を完成するに至った。
【０００７】
かくして、本発明によれば、「布帛の少なくとも一面に、アンチモンドープ酸化錫またはスズドープ酸化インジュームからなる赤外線吸収剤とバインダー樹脂が、塗布部と非塗布部を有し、かつ塗布部が非塗布部を取り囲んで連続するパターンで固着されていることを特徴とする保温性布帛」が提供される。
【０００８】
その際、布帛の一面にのみ、赤外線吸収剤とバインダー樹脂が固着されていることが好ましい。また、熱伝導率が１０Ｗ／ｍ・Ｋ（２７℃）以上である赤外線吸収剤の固着量は０．０２〜５０ｇ／ｍ2であることが、優れた保温性を効果的、効率的に得る上で好ましい。そして、赤外線吸収剤と該バインダー樹脂との配合比率が１：０．５〜１：５０であることが、優れた洗濯耐久性を得る上で好ましい。さらに、前記パターンにおいて、塗布部面積比率が１０〜８５％であることが好ましい。
【０００９】
【発明の実施の形態】
以下、本発明の実施の形態について詳細に説明する。
まず、本発明においては、布帛の種類は特に限定されない。布帛を構成する繊維の種類としては、ポリエステル、ナイロンなどの合成繊維、レーヨンなどの再生繊維、綿、ウール、絹などの天然繊維やこれらを複合したものが使用可能である。その形態としては、織物、編物、不織布などであり、布帛の厚み、目付け、外観などにも制限はない。
【００１０】
次に、本発明では、布帛の少なくとも一面に、赤外線吸収剤とバインダー樹脂が固着されている。ここで、赤外線吸収剤とバインダー樹脂は該布帛の両面に固着されていてもよいが、一面だけに固着されていることが好ましい。一面だけに固着させ、該面を裏面、すなわち、かかる布帛を衣料に使用した際に人体の肌側となる面となすことにより、前記赤外線吸収剤やバインダー樹脂が着色されていた場合においても、これらの剤や樹脂が布帛の表面に現れることがないため、外観上の問題が発生する恐れがない。さらに、赤外線吸収剤が裏面にのみ固着されることにより、熱が布帛の裏面から表面に伝わりにくいため、効果的な保温が可能となる。
【００１１】
上記赤外線吸収剤としては、波長７００〜２０００ｎｍの赤外線領域で１０％以上の吸収率を有する物質であれば特に限定されず、金属酸化物系微粒子、カーボンブラック、有機化合物の赤外線吸収色素などが例示される。かかる赤外線吸収剤の中でも、熱伝導率が１０Ｗ／ｍ・Ｋ（２７℃）以上（より好ましくは２０Ｗ／ｍ・Ｋ以上）であるものが好ましい。かかる熱伝導率を有することにより、赤外線吸収剤が太陽光等の赤外線により暖められた際、極めて迅速に布帛が暖められ、優れた保温性が得られ易い。具体的には、アンチモンドープ酸化錫（ＡＴＯ）やスズドープ酸化インジューム（ＩＴＯ）などの平均粒子径が１００ｎｍ以下の金属酸化物系微粒子が好ましく例示される。かかる金属酸化物系微粒子は可視光線を透過する透明な材料でもあり、布帛本体の色相に変化を与えない点でも好ましい。この種の金属酸化物系微粒子は、水系の分散品やトルエンなどの溶剤系分散品として入手することができる。また、布帛の色相が黒、ネービーブルー、エンジ色などの濃色品である場合には、カーボンブラックも好適に使用することができ、かかるカーボンブラックの粒子径は、数μｍ程度の粒子径であればよい。なお、淡色の布帛にカーボンブラックを適用すると、布帛表面がグレー化してしまう傾向にある。
【００１２】
赤外線吸収剤を布帛に固着させる量は、布帛に対して０．０２〜５０ｇ／ｍ2（より好ましくは０．５〜２０ｇ／ｍ2）の範囲内であることが好ましい。赤外線吸収剤の固着量が該範囲よりも少ないと、布帛に太陽光等の赤外線があたっても、布帛が十分には暖められない恐れがある。逆に赤外線吸収剤の固着量が該範囲よりも多いと保温効果は十分であるものの経済的でない。
【００１３】
本発明で用いられるバインダー樹脂としては、特に限定されるものではなく、ウレタン樹脂、アクリル樹脂、ポリエステル樹脂、シリコーン樹脂、塩化ビニル樹脂、ナイロン樹脂などが例示される。バインダー樹脂の固着量は、樹脂固形分基準で、布帛に対して０．０１〜４０ｇ／ｍ2（より好ましくは５〜３０ｇ／ｍ2）の範囲内であることが好ましい。
【００１４】
通常、前記赤外線吸収剤とバインダー樹脂は、両者の配合組成物として布帛に付与される。その際、かかる配合組成物は水系、溶剤系のいずれで構成してもよいが、加工工程の作業環境上水系の方が好ましい。溶剤としては、トルエン、イソプロピルアルコール、ジメチルホルムアミド、メチルエチルケトン、酢酸エチルなどが例示される。この配合組成物には、エポキシ系などの架橋剤を併用してもよい。さらに、布帛本体に対する付着性を向上させる等の目的で適当な添加剤をさらに配合してもよい。
【００１５】
前記赤外線吸収剤とバインダー樹脂（樹脂固形分基準）との配合比率として１：０．５〜１：５０（好ましくは１：５〜１：４０）の範囲内であることが好ましい。バインダー樹脂の配合比率が該範囲よりも少ないと、布帛を製品となした後、洗濯時に赤外線吸収剤が脱落しやすいため、保温性の洗濯耐久性が低下する恐れがある。逆に、バインダー樹脂の配合比率を該範囲よりも多くしても、洗濯耐久性の効果はあまり変わらず経済的でない。
【００１６】
次に、本発明において、前記赤外線吸収剤とバインダー樹脂が、塗布部と非塗布部を有し、かつ少なくとも連続的につながる部分を有するパターンで固着される必要がある。
【００１７】
ここでいう、塗布部と非塗布部を有し、かつ少なくとも連続的につながる部分を有するパターンとは、パターンの少なくとも一部が、例えば縞のように一方向にのみ連続的につながっているもの、縦横または斜線格子状につながっているものなどを意味する。特に、パターンの全領域が格子状パターンであることが好ましく、かかる格子状パターンを採用することにより、赤外線吸収剤が太陽光線等の赤外線により加熱された際、熱が格子状パターンに沿って、迅速に伝わり、布帛が速やかに暖められる。また、パターン内における塗布部面積比率が１０〜８５％（より好ましくは２５〜７０％）であることが好ましい。なお、塗布部面積比率は下記式で示されるものである。
塗布部面積比率＝（塗布部面積）／（塗布部面積＋非塗布部面積）×１００（％）
【００１８】
該塗布部面積比率が１０％よりも小さいと、布帛に赤外線があたっても、布帛が十分には暖められない恐れがある。逆に、塗布部面積比率が８５％よりも大きい場合は、布帛の風合いが低下する恐れがある。また、上記格子状パターンにおいて、格子間の間隔は２〜３０ｍｍ程度が適当である。
【００１９】
布帛への、赤外線吸収剤とバインダー樹脂の付与手段として、まず両者を前述のような配合組成物となした後、該配合組成物を、グラビヤコーテイング法、スクリーンプリント法などの、公知の付与手段を用いることができる。
【００２０】
本発明の保温性布帛において、太陽光線等の赤外線により、赤外線吸収剤が加熱されると、熱が連続的につながったパターンにそって伝わり、布帛が迅速に暖められる。かかる作用により、本発明の保温性布帛は優れた保温性を有する。それと同時に、赤外線吸収剤が固着される個所がパターン化されているので、赤外線吸収剤が全面的に固着された従来技術と比較して優れた風合いを有する。さらには、本発明の保温性布帛においては、従来の赤外線吸収剤練りこみタイプでは得られなかった淡色の色相を得ることも可能になる。
【００２１】
【実施例】
次に本発明の実施例及び比較例を詳述するが、本発明はこれらによって限定されるものではない。なお、実施例中の各測定項目は下記の方法で測定した。
＜保温性＞保温効果を確認するために２０℃、６０％ＲＨの恒温恒湿環境下で、エネルギー源として２００Ｗレフランプ光源を用い、高さ５０ｃｍから照射し、３０秒後の布帛の表面温度をサーモビュアー（赤外線センサー：日本電子株式会社製）にて測定するとともに布帛の裏面の温度を熱電対で測定した。
＜風合い評価＞試験者３名により、ソフト感について官能評価を行い４段階評価した。「極めて優れている」は◎、「優れている」は○、「普通」は△、「劣っている」は×で示した。
【００２２】
［実施例１］
経糸として、総繊度５６ｄｔｅｘ／２０ｆｉｌのポリエチレンテレフタレート繊維、緯糸として、総繊度８４ｄｔｅｘ／３６ｆｉｌのポリエチレンテレフタレート繊維を用い、経糸密度７６本／２．５４ｃｍ、緯糸密度９０本／２．５４ｃｍのタフタ織物を得た。
【００２３】
かかるタフタ織物を、常法の精錬、リラックス、染色した後、乾燥、セットして基布とした。
また、保温性付与のために、下記の配合組成物を用意した。
［配合組成物の組成］
・アクリル系バインダー ６０．０％
（固形分４０％）
・ＡＴＯ水分散液 ５．０％
（固形分１５％、ＡＴＯの熱伝導率５０Ｗ／ｍ・Ｋ、ＡＴＯの微粒子径５０ｎｍ以下）
・水 ３５．０％
【００２４】
次いで、１０５メッシュのグラビアロールを使用してタフタ織物の片面に上記配合組成物を付与した（ＡＴＯ分０．８ｇ／ｍ2、バインダー樹脂固形分２４．２ｇ／ｍ2）後、１６０℃で乾燥し、保温性布帛を得た。グラビアロールの転写パターンは、全面が図１に示す縦横格子状パターン（塗布部面積比率５０％、格子間の間隔１０ｍｍ）で形成されるものを採用した。得られた保温性布帛の保温性、織物風合いは表１に示す。保温性、織物風合いともに良好であった。
【００２５】
［比較例１］
実施例１において、グラビアロールの転写パターンを、図２に示すような、塗布部面積比率が１００％の全面パターンにした以外は実施例１と同じにした。（ＡＴＯ分１．６ｇ／ｍ2、バインダー樹脂固形分４８．４ｇ／ｍ2）得られた保温性布帛の保温性、織物風合いは表１に示す。保温性は良いものの、硬い織物風合いであった。
【００２６】
［比較例２］
実施例１において、グラビアロールの転写パターンを、塗布部面積比率が５０％で、図３に示すような、つながりのないパターンにした以外は実施例１と同じにした。（ＡＴＯ分０．８ｇ／ｍ2、バインダー樹脂固形分２４．２ｇ／ｍ2）得られた保温性布帛の保温性、織物風合いは表１に示す。織物風合いは良いものの保温性が不十分であった。
【００２７】
【表１】

Figure 0003853185
【００２８】
【発明の効果】
本発明によれば、布帛本来の風合いを損なうことなく、淡色の色相を得ることも可能であり、かつ効果的、効率的に太陽光を吸収して熱に変換させることのできる、保温性に優れた衣料が得られる。
【図面の簡単な説明】
【図１】本発明で使用することのできる縦横格子状パターンの模式図である。なお、黒色部が塗布部を示す。
【図２】比較例１で使用した、全面に塗布されたパターンの模式図である。
【図３】比較例２で使用した、塗布部がつながっていないパターンの模式図である。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a fabric excellent in heat retention effect. More specifically, the present invention relates to a heat-retaining fabric that can be used for clothing that requires heat-retaining properties without impairing the texture of the fabric.
[0002]
[Prior art]
Conventionally, in order to increase the heat retaining property of a textile product, methods such as increasing the thickness of the fabric, increasing the tissue density of the fabric, or dyeing it in a dark color have been generally performed.
[0003]
Furthermore, in recent years, in order to further improve the heat retention, a method using a fiber in which carbonized / nitrided ceramic fine particles are kneaded has been proposed. However, this method has the following problems. That is, in this method, since a hard substance is kneaded into the fiber, the original texture of the fiber is impaired, and further, not only infrared rays but also visible rays are absorbed, and only dark color products are obtained. .
[0004]
On the other hand, it has also been proposed that an infrared absorber is processed on the entire back surface of the fabric to absorb the heat rays in the sun rays on the back surface of the fabric. (For example, JP-A-8-325478) In such a method, although the heat retention is good, the infrared absorbent is uniformly processed on the back surface of the fabric, so that the fabric feel becomes hard and the infrared absorbent. There was a problem that the amount of the processing agent used was increased and it was not economical.
[0005]
[Problems to be solved by the invention]
The present invention has been made to solve the above-described problems of the prior art, and the problem is that a light hue can be obtained without impairing the original texture of the fabric, and the energy of sunlight can be effectively and An object of the present invention is to provide a heat-retaining fabric excellent in heat-retaining properties that can be efficiently converted into heat.
[0006]
[Means for Solving the Problems]
As a result of intensive investigations to achieve the above-mentioned problems, the present inventor uses heat conduction to damage the original texture of the fabric by fixing the infrared absorber to the fabric in a predetermined pattern. However, it was found that a heat-insulating fabric excellent in heat-retaining properties was obtained, and the present invention was completed.
[0007]
Thus, according to the present invention, "at least one surface of the fabric is provided with an infrared absorber made of antimony-doped tin oxide or tin-doped indium oxide and a binder resin, having an application portion and a non-application portion, and the application portion is not applied. There is provided a "heat-retaining fabric" characterized in that it is fixed in a continuous pattern surrounding the part .
[0008]
At that time, it is preferable that the infrared absorbent and the binder resin are fixed to only one surface of the fabric. Moreover, it is 0.02-50 g / m < 2 > that the fixed amount of the infrared absorber whose thermal conductivity is 10 W / m * K (27 degreeC) or more is obtained effectively and efficiently. Preferred above . Their to, mixing ratio of the infrared absorbing agent and the binder resin is 1: 0.5 to 1: from 50, preferable for obtaining an excellent wash durability. Further, in the pattern, it is preferred coating cloth portion area ratio is 10 to 85%.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail.
First, in the present invention, the type of fabric is not particularly limited. As the types of fibers constituting the fabric, synthetic fibers such as polyester and nylon, regenerated fibers such as rayon, natural fibers such as cotton, wool, and silk, and composites thereof can be used. The form is a woven fabric, a knitted fabric, a non-woven fabric, or the like, and the thickness, basis weight, appearance, etc. of the fabric are not limited.
[0010]
Next, in the present invention, an infrared absorbent and a binder resin are fixed to at least one surface of the fabric. Here, the infrared absorber and the binder resin may be fixed to both surfaces of the fabric, but are preferably fixed to only one surface. Even when the infrared absorber and the binder resin are colored by fixing only to one surface, and making the surface the back surface, that is, the surface that becomes the skin side of the human body when using such a fabric for clothing, Since these agents and resins do not appear on the surface of the fabric, there is no risk of appearance problems. Furthermore, since the infrared absorber is fixed only on the back surface, heat is hardly transmitted from the back surface of the fabric to the front surface, so that effective heat retention is possible.
[0011]
The infrared absorber is not particularly limited as long as it is a substance having an absorptance of 10% or more in an infrared region having a wavelength of 700 to 2000 nm, and examples thereof include metal oxide fine particles, carbon black, and infrared absorbing dyes of organic compounds. Is done. Among these infrared absorbers, those having a thermal conductivity of 10 W / m · K (27 ° C.) or more (more preferably 20 W / m · K or more) are preferable. By having such thermal conductivity, when the infrared absorbent is warmed by infrared rays such as sunlight, the fabric is warmed very quickly, and excellent heat retaining properties are easily obtained. Specifically, metal oxide fine particles having an average particle diameter of 100 nm or less such as antimony-doped tin oxide (ATO) and tin-doped indium oxide (ITO) are preferably exemplified. Such metal oxide fine particles are also a transparent material that transmits visible light, and are preferable in that they do not change the hue of the fabric body. This kind of metal oxide fine particles can be obtained as an aqueous dispersion or a solvent dispersion such as toluene. Further, when the hue of the fabric is a dark color product such as black, navy blue, and engineering color, carbon black can also be suitably used, and the particle size of the carbon black is about several μm. I just need it. Note that when carbon black is applied to a light-colored fabric, the fabric surface tends to become gray.
[0012]
The amount of the infrared absorbing agent fixed to the fabric is preferably in the range of 0.02 to 50 g / m 2 (more preferably 0.5 to 20 g / m 2 ) with respect to the fabric. When the fixed amount of the infrared absorber is less than the above range, the fabric may not be sufficiently warmed even when the fabric is exposed to infrared rays such as sunlight. On the contrary, if the amount of fixing of the infrared absorber is larger than the above range, the heat retaining effect is sufficient, but it is not economical.
[0013]
The binder resin used in the present invention is not particularly limited, and examples thereof include urethane resins, acrylic resins, polyester resins, silicone resins, vinyl chloride resins, and nylon resins. The fixing amount of the binder resin is preferably in the range of 0.01 to 40 g / m 2 (more preferably 5 to 30 g / m 2 ) with respect to the fabric on the basis of the resin solid content.
[0014]
Usually, the said infrared absorber and binder resin are provided to a fabric as a compounding composition of both. In this case, the blended composition may be composed of either an aqueous system or a solvent system, but an aqueous system is preferable in view of the working environment of the processing step. Examples of the solvent include toluene, isopropyl alcohol, dimethylformamide, methyl ethyl ketone, ethyl acetate and the like. This blended composition may be used in combination with an epoxy-based crosslinking agent. Furthermore, you may further mix | blend a suitable additive for the objective of improving the adhesiveness with respect to a fabric main body.
[0015]
The blending ratio of the infrared absorber to the binder resin (resin solid content basis) is preferably in the range of 1: 0.5 to 1:50 (preferably 1: 5 to 1:40). If the blending ratio of the binder resin is less than the above range, the infrared absorbent is likely to fall off during washing after the fabric is made into a product, so that there is a possibility that the heat-resistant washing durability may be lowered. On the contrary, even if the blending ratio of the binder resin is larger than the above range, the effect of washing durability is not changed so much and it is not economical.
[0016]
Next, in the present invention, the infrared absorbent and the binder resin need to be fixed in a pattern having a coating part and a non-coating part and at least a part continuously connected.
[0017]
As used herein, a pattern having an application part and a non-application part and having at least a continuous part is a pattern in which at least a part of the pattern is continuously connected only in one direction, such as a stripe. , Or the like connected in a vertical or horizontal or diagonal grid pattern. In particular, it is preferable that the entire area of the pattern is a lattice pattern, by adopting such a lattice pattern, when the infrared absorber is heated by infrared rays such as solar rays, the heat is along the lattice pattern, It is transmitted quickly and the fabric is warmed up quickly. Moreover, it is preferable that the application part area ratio in a pattern is 10 to 85% (preferably 25 to 70%). In addition, an application part area ratio is shown by a following formula.
Application part area ratio = (application part area) / (application part area + non-application part area) × 100 (%)
[0018]
If the application area ratio is less than 10%, the fabric may not be sufficiently warmed even when the fabric is exposed to infrared rays. On the other hand, when the application area ratio is larger than 85%, the texture of the fabric may be lowered. In the lattice pattern, the interval between the lattices is suitably about 2 to 30 mm.
[0019]
As a means for imparting an infrared absorber and a binder resin to a fabric, first, both are made into a blended composition as described above, and then the blended composition is applied to a known imparting means such as a gravure coating method or a screen printing method. Can be used.
[0020]
In the heat-retaining cloth of the present invention, when the infrared absorbent is heated by infrared rays such as sunlight, the heat is transmitted along a continuously connected pattern, and the fabric is quickly warmed. By such an action, the heat insulating fabric of the present invention has excellent heat retaining properties. At the same time, the portion where the infrared absorber is fixed is patterned, so that it has an excellent texture as compared with the prior art in which the infrared absorber is fixed all over. Furthermore, in the heat-retaining fabric of the present invention, it is possible to obtain a light color hue that cannot be obtained by the conventional infrared absorber kneading type.
[0021]
【Example】
Next, although the Example and comparative example of this invention are explained in full detail, this invention is not limited by these. In addition, each measurement item in an Example was measured with the following method.
<Heat retention> In order to confirm the heat retention effect, a 200 W reflex lamp light source was used as an energy source in a constant temperature and humidity environment of 20 ° C. and 60% RH, and the surface temperature of the fabric after 30 seconds was irradiated from a height of 50 cm. While measuring with a thermoviewer (infrared sensor: manufactured by JEOL Ltd.), the temperature of the back surface of the fabric was measured with a thermocouple.
<Feel evaluation> Three testers performed a sensory evaluation on the soft feeling and evaluated it in four stages. “Excellent” is indicated by ◎, “Excellent” is indicated by ○, “Normal” is indicated by △, and “Inferior” is indicated by ×.
[0022]
[Example 1]
A polyethylene terephthalate fiber having a total fineness of 56 dtex / 20 fil is used as the warp, and a polyethylene terephthalate fiber having a total fineness of 84 dtex / 36 fil is used as the weft, thereby obtaining a taffeta fabric having a warp density of 76 / 2.54 cm and a weft density of 90 / 2.54 cm. It was.
[0023]
The taffeta fabric was refined, relaxed and dyed in a conventional manner, dried and set to obtain a base fabric.
Moreover, the following compounding composition was prepared for heat retention provision.
[Composition of compounding composition]
・ Acrylic binder 60.0%
(Solid content 40%)
-ATO aqueous dispersion 5.0%
(Solid content 15%, ATO thermal conductivity 50 W / m · K, ATO fine particle diameter 50 nm or less)
・ Water 35.0%
[0024]
Next, the above composition was applied to one side of a taffeta fabric using a 105 mesh gravure roll (ATO content 0.8 g / m 2 , binder resin solid content 24.2 g / m 2 ), and then dried at 160 ° C. Thus, a heat insulating fabric was obtained. As the gravure roll transfer pattern, the entire surface was formed in a vertical and horizontal grid pattern (applied portion area ratio 50%, spacing between grids 10 mm) shown in FIG. Table 1 shows the heat retaining properties and fabric texture of the obtained heat retaining fabric. Both heat retention and fabric texture were good.
[0025]
[Comparative Example 1]
The transfer pattern of the gravure roll in Example 1 was the same as that of Example 1 except that the entire surface pattern having a coating portion area ratio of 100% as shown in FIG. 2 was used. (The ATO content is 1.6 g / m 2 , the binder resin solid content is 48.4 g / m 2 ) The heat retaining properties and the fabric texture of the obtained heat retaining fabric are shown in Table 1. Although it has good heat retention, it has a hard fabric texture.
[0026]
[Comparative Example 2]
In Example 1, the transfer pattern of the gravure roll was the same as Example 1 except that the application part area ratio was 50% and the pattern was not connected as shown in FIG. (The ATO content is 0.8 g / m 2 , the binder resin solid content is 24.2 g / m 2 ) The heat retention properties and the fabric texture of the obtained heat retention fabric are shown in Table 1. Although the fabric texture was good, the heat retention was insufficient.
[0027]
[Table 1]
Figure 0003853185
[0028]
【The invention's effect】
According to the present invention, it is possible to obtain a light hue without impairing the original texture of the fabric, and it is possible to effectively and efficiently absorb sunlight and convert it into heat. Excellent clothing is obtained.
[Brief description of the drawings]
FIG. 1 is a schematic view of a vertical and horizontal grid pattern that can be used in the present invention. In addition, a black part shows an application part.
2 is a schematic diagram of a pattern applied to the entire surface used in Comparative Example 1. FIG.
FIG. 3 is a schematic diagram of a pattern used in Comparative Example 2 in which application portions are not connected.

Claims (6)

布帛の少なくとも一面に、アンチモンドープ酸化錫またはスズドープ酸化インジュームからなる赤外線吸収剤とバインダー樹脂が、塗布部と非塗布部を有し、かつ塗布部が非塗布部を取り囲んで連続するパターンで固着されていることを特徴とする保温性布帛。Infrared absorber composed of antimony-doped tin oxide or tin-doped indium oxide and a binder resin are fixed to at least one surface of the fabric in a pattern having a coating portion and a non-coating portion, and the coating portion surrounding the non-coating portion. A heat-retaining fabric characterized by being made. 布帛の一面にのみ前記赤外線吸収剤とバインダー樹脂が固着されている請求項１に記載の保温性布帛。  The heat-retaining cloth according to claim 1, wherein the infrared absorbent and the binder resin are fixed to only one surface of the cloth. 前記赤外線吸収剤の熱伝導率が１０Ｗ／ｍ・Ｋ（２７℃）以上である請求項１または請求項２に記載の保温性布帛。  The heat-retaining cloth according to claim 1 or 2, wherein the infrared absorber has a thermal conductivity of 10 W / m · K (27 ° C) or more. 前記赤外線吸収剤の固着量が布帛に対して０．０２〜５０ｇ／ｍ2である請求項１〜３のいずれか１項に記載の保温性布帛。The heat-retaining fabric according to any one of claims 1 to 3 , wherein the fixed amount of the infrared absorbent is 0.02 to 50 g / m 2 with respect to the fabric. 前記赤外線吸収剤と該バインダー樹脂との配合比率が１：０．５〜１：５０の範囲内である請求項１〜４のいずれか１項に記載の保温性布帛。  The heat-retaining fabric according to any one of claims 1 to 4, wherein a blending ratio of the infrared absorber and the binder resin is within a range of 1: 0.5 to 1:50. 前記パターンにおける、塗布部面積比率が１０〜８５％である請求項１〜５のいずれか１項に記載の保温性布帛。The heat-retaining fabric according to any one of claims 1 to 5 , wherein an area ratio of the coated portion in the pattern is 10 to 85%.
JP2001293748A 2001-09-26 2001-09-26 Thermal insulation fabric Expired - Fee Related JP3853185B2 (en)

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PCT/JP2002/009299 WO2003029554A1 (en) 2001-09-26 2002-09-11 Heat insulating cloth
CNB028190033A CN1293256C (en) 2001-09-26 2002-09-11 Heat insulating cloth
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102892945A (en) * 2010-05-11 2013-01-23 美利肯公司 Flame resistant textile materials providing protection from near infrared radiation
CN102892945B (en) * 2010-05-11 2016-01-06 美利肯公司 The fire resistant textile material protected near-infrared radiation is provided

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TWI251043B (en) 2006-03-11
WO2003029554A1 (en) 2003-04-10
EP1437438B1 (en) 2007-01-24
CN1293256C (en) 2007-01-03
EP1437438A1 (en) 2004-07-14
JP2003096663A (en) 2003-04-03
CN1561421A (en) 2005-01-05

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