JP2005518961A - 集合方法及びプラスチック複合管 - Google Patents
集合方法及びプラスチック複合管 Download PDFInfo
- Publication number
- JP2005518961A JP2005518961A JP2003572748A JP2003572748A JP2005518961A JP 2005518961 A JP2005518961 A JP 2005518961A JP 2003572748 A JP2003572748 A JP 2003572748A JP 2003572748 A JP2003572748 A JP 2003572748A JP 2005518961 A JP2005518961 A JP 2005518961A
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- Prior art keywords
- tape
- plastic
- layer
- oriented
- electromagnetic radiation
- 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.)
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Classifications
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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Abstract
Description
例えば、溶融結合の技術を使用して、配向されたプラスチック要素を集合させて高剛性で且つ高い機械的強度のプラスチック複合構造を製造する事は公知である。特に、密接に溶融表面部分を維持してそれらを溶融結合によって集合させる為に、その溶融点付近の温度に維持された配向プラスチック繊維のスタックを圧縮する事が可能である。
然しながらこの方法は、操作に時間が掛かり且つ調節が困難である。それは、現実的には、緻密なプラスチック要素を集合させる為にだけ使用できるものである(特許出願GB−A−2253420)。
又、ヨーロッパ特許EP−B1−0904441から、赤外線レーザーを使用して溶融結合された、配向プラスチックで作られたパラレルストリップの二つのアレイであってそれらの間で90°に近い角度を作るアレイからグリッドを製造する方法も公知である。各ストリップは赤外放射線に対して透明な層と、その放射線を吸収するカーボンブラック充填層を含む二層構造を有する。
本発明のその他の目的は、集合操作が溶融結合の方法によって行われる時にその集合操作を促進する事である。
「テープを集合させる方法」と言う表現は、予め形成された支持体とテープを一緒に結合させて、それらの機械的性質の観点から、それらが、単一体で作られているかの様な挙動を示す様にする方法を意味するものと理解される。
本発明によれば、熔融は、高ネルギー放射線により熔融結合されるべきテープの表面を照射する事によって得られる。
本発明方法では、この高エネルギー放射線は電磁放射線である。この照射は、テープの個々の層が巻き上げ操作中に重ね合わされた後に、又は、巻き上げ操作が管の長さにわたって完結した後に行われても良い。又、全てのテープ層が重ね合わされた後で、最後のテープの巻き上げ操作と同時に、又は、逆に、最後のテープ層が管全体の長さにわたって重ね合わされた後に行われても良い。
プラスチックとしては、任意のタイプの熱可塑性プラスチックが適当である。
「熱可塑性プラスチック」と言う用語は、熱可塑性エラストマー及びそのブレンドを含む任意の熱可塑性ポリマーを意味するものと理解される。「ポリマー」と言う用語は、ホモポリマー及びコポリマー(特に、二成分又は三成分コポリマー)の両方を意味するものと理解される。その様なコポリマーの例として、ランダムコポリマー、線状又はその他のブロックコポリマー及びグラフトコポリマーが挙げられるがこれらに限定されない。
その熔融点が分解温度以下である任意のタイプの熱可塑性ポリマー又はコポリマーが適当である。少なくとも10℃にわたって広がる熔融範囲を有する合成熱可塑性プラスチックが適当である。その様な材料の例としては、その分子量において多分散性を有する材料が挙げられる。
ポリオレフィンが良好な結果を与えた。ポリオレフィンの中では高密度ポリエチレン(HDPE)が好ましい。
本発明の集合方法では、多層構造を有するプラスチックテープが使用される。好ましくは、それらは少なくとも一つの配向層を含む。「配向層」と言う用語は、その組成を作り上げているポリマーの分子鎖の少なくとも20質量%が、少なくとも一つの同じ方向に配列されているプラスチックの層を意味するものと理解される。この配向層は幾つかの異なる方向で配列されていても良い。テープのそれぞれは、従って、同時に一方向より多く配向された層を含んでも良い。一種の変形として、テープは、又、各テープで異なる単一方向でそれぞれに配向された層を含んでも良い。更に好ましくは、テープの配向された層は同一の方向に配向される。
本発明方法では、使用されるテープは、電磁放射線によって運ばれるエネルギーを部分的に吸収する少なくとも一つの層を含む。「部分的な吸収」と言う用語は、吸収層の材料1g当り300J以上の放射線エネルギーの吸収を意味するものと理解される。
本発明によれば、集合体の少なくとも一つのテープの一つの面が、プラスチック支持体に熔融結合される。支持体のプラスチックはテープの透明層のプラスチックと同じであっても良い。一方、又、テープの透明層とは性質において異なるプラスチックで構成されていても良い。
好ましくは、集合体の少なくとも一つのテープの一つの面の熔融結合は、テープを一緒に結合するのに使用されるものと同じ電磁放射線熔融結合方法を使用して行われる。
テープが熔融結合されるプラスチック支持体が配向又は非配向構造であるかは問題ではない。
集合体を形成する為に本発明方法で熔融結合できるテープの数は広範囲に変えられても良い。一般的には、偶数のテープを一緒に結合する事が好ましい。特に、少なくとも二つのテープが熔融結合された時に有用な結果が得られた。特に有用な結果は、少なくとも四つのテープが熔融結合される時に得られた。好ましくは、最大八つのテープが熔融結合される。
本発明方法を実施するのに好ましい方法では、使用される電磁放射線は、少なくとも700nmの波長を有する。同様に、最大で1200nmの波長を有する電磁放射線を使用する事が好ましい。
最も好ましくは、電磁放射線は赤外放射線である。放射される周波数の全領域にわたって連続スペクトルを持つ赤外線源が適当であり、特に、テープの透明層によって吸収されない波長範囲で主に放射する赤外線源が適当である。その様な赤外線源は、例えば、極めて短い波長、例えば、1000nmの領域で放射するものである。
レーザータイプのコヒーレント赤外放射線により最高の結果が得られた。その様な放射線源の例は、ダイオードレーザー及びNd:YAG(ネオジムをドープしたイットリウムアルミネートガーネット)レーザーである。
管状支持体は、一般的にはプラスチックで作られる。このプラスチックの性質は、テープの吸収層のプラスチックと熔融結合で相溶性であるものから選ばれた。好ましくは、非配向プラスチックが管状支持体用に選択されても良い。
本発明方法では、放射線の吸収を担う材料の性質は変動しても良い。吸収層のプラスチックと容易にブレンドできる、吸収層に導入される組成物から選択される。良好な結果はカーボンブラックで得られた。好ましくは、電磁放射線の吸収は総量ではない。更に、熱を発生するのに十分な吸収値が留意されねばならない。実際には、吸収層の材料1g当り少なくとも300Jの吸収水準が良好な結果を与えた。
上述の実施方法と適合する、本発明方法を実施する一つの有利な方法は、管の外周に巻き付けられて熔融結合されたテープが管の方向に対して40〜70°の角度を作る管を製造する事から成る。この角度が55°に近い時に優れた結果が得られた。配列は、更に、後者と交差される先の厚味に結合されるテープのそれぞれの厚味に対して為されても良い。
実際には、管の方向に対する角度が先のテープの厚味の角度の反対である時に良好な結果が得られた。
好ましくは、テープの隣接する厚味は交差される、即ち、それらは、それらを80〜140°の範囲の角度の間にする様に配列される。
本発明方法の場合で上で定義された特定の用語は、この複合管に対しても同じ意味を有する。上述の方法を実施する様々な選択方法も又、本発明の複合管に関して適用しても良い。
好ましくは、吸収材を含むテープの層は透明層と同じ方法で配向される。配向は透明層の配向と完全に独立的であっても良く、それは、透明層の配向と同じ方向に置かれる吸収層の配向にとって好ましいものであるかも知れない。
以下の実施例は、本発明の範囲を何ら限定する事無しに、本発明の例示を目的としたものである。
ダイを出て行く二層シートは、次いで、50℃の平滑カレンダーに通され、115℃の温度条件で、六つの調整ロールに通し、次いで、ロールが増加速度で回転している延伸列において二回の連続通過での(最初の通過で680%延伸し、二回目の通過で30%延伸)延伸配向によって配向テープに変換された。配向されたテープは、次いで、冷却され、縦方向で約10%の僅かな収縮を起こした。
次に、テープを、管の全体の外周に巻き付け、その後で、ビームが8mmの直径に対して平行にされた、出力30Wで波長800nmのCOHERENTブランドのダイオードレーザー源で、巻き付けテープを持つこの管の全体の表面を掃引する事によってテープを互いに熔融結合させ且つ管に熔融結合させた。レーザービームでの熔融結合と管の前進の線速度は0.72m/分であった。
次いで、得られた管の破裂強度を、レーザー放射線によるテープの最後の熔融結合の操作を施さなかった同じ管と比較した。得られた結果は次の通りであった。
熔融結合されたテープは破裂強度を50%増加した事が分かる。
熔融結合されたテープで得られた管は、カーボンブラックを局所的に含む単一タイプの樹脂だけで構成されているので、管状コアの製造方法の中に製造スクラップを再循環させる事が通常可能である。
Claims (10)
- 多層テープを集合させる方法であって、電磁放射線によるテープの溶融結合を含み、テープが、少なくとも一方向に配向されていて且つ放射線に対して透明である少なくとも一つのプラスチック層と、放射線によって運ばれるエネルギーを部分的に吸収する少なくとも一つの層を含み、集合体の少なくとも一つのテープの一つの面がプラスチックで予め形成されている支持体に溶融結合される事を特徴とする方法。
- 少なくとも二つのテープが溶融結合される、請求項1に記載の方法。
- テープのプラスチックの少なくとも一つの層が単一方向に配向されている、請求項1又は2に記載の方法。
- 電磁放射線が700〜1200nmの範囲の波長を有する、請求項1〜3のいずれか1項記載の方法。
- 電磁放射線がレーザー放射線である、請求項1〜4のいずれか1項記載の方法。
- プラスチックで予め形成されている支持体が非配向のプラスチック管状支持体である、請求項1〜5のいずれか1項記載の方法。
- 電磁放射線の吸収を担う材料がカーボンブラックである、請求項1〜6のいずれか1項記載の方法。
- 多層テープの少なくとも二つの隣接する厚味が溶融結合されている、非配向プラスチックコアを含むプラスチック複合管であって、前記テープが一緒に巻かれて結合されていて、各テープの少なくとも一つの層は電磁放射線に対して透明なプラスチックで形成され且つ少なくとも一方向に配向され、各テープの少なくとも今一方の層は電磁放射線を吸収する材料を含む事を特徴とするプラスチック複合管。
- 吸収材を含む層も配向されている、請求項8に記載のプラスチック複合管。
- テープが、配向された材料の層で形成されており、700〜1200nmの範囲の波長の電磁放射線に対して透明であり、透明層と同じ方向で配向された同じプラスチックを含む二つの薄い層の間に配置されている、請求項8又は9に記載のプラスチック複合管。
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FR0202732A FR2836652B1 (fr) | 2002-03-04 | 2002-03-04 | Procede de soudage de bandes multicouches en matiere plastique a l'aide d'un rayonnement electromagnetique et tube composite en resultant |
PCT/EP2003/002073 WO2003074258A1 (fr) | 2002-03-04 | 2003-02-28 | Procédé d'assemblage et tube composite en matière plastique |
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JP2005518961A true JP2005518961A (ja) | 2005-06-30 |
JP2005518961A5 JP2005518961A5 (ja) | 2006-04-20 |
JP4273217B2 JP4273217B2 (ja) | 2009-06-03 |
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JP2003572748A Expired - Lifetime JP4273217B2 (ja) | 2002-03-04 | 2003-02-28 | 集合方法及びプラスチック複合管 |
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US (2) | US20050158497A1 (ja) |
EP (2) | EP1483101B1 (ja) |
JP (1) | JP4273217B2 (ja) |
KR (1) | KR20040096645A (ja) |
CN (1) | CN1638946A (ja) |
AT (1) | ATE485153T1 (ja) |
AU (1) | AU2003215615A1 (ja) |
BR (1) | BR0308197A (ja) |
DE (1) | DE60334608D1 (ja) |
DK (1) | DK1483101T3 (ja) |
EA (1) | EA006195B1 (ja) |
FR (1) | FR2836652B1 (ja) |
NO (1) | NO332301B1 (ja) |
PL (1) | PL205840B1 (ja) |
WO (1) | WO2003074258A1 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
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BE1014146A3 (fr) * | 2001-04-27 | 2003-05-06 | Solvay Sociutu Anonyme | Tube protege en matiere plastique et procede de fabrication dudit tube. |
EP1593480A1 (en) | 2004-04-27 | 2005-11-09 | SOLVAY (Société Anonyme) | Reinforcement of polymer bodies with oriented strips |
US20080268225A1 (en) * | 2004-10-20 | 2008-10-30 | Solvay (Societe Anonyme) | Method for Manufacturing a Multilayer Insulating Panel |
DK1752276T3 (en) | 2005-08-11 | 2016-01-04 | Egeplast Internat Gmbh | A process for the manufacture of oriented polymer strips |
PL2200812T3 (pl) * | 2007-09-05 | 2020-11-30 | Albany International Corp. | Sposób wytwarzania szwu w tkaninach do maszyny papierniczej i tkaninach przemysłowych oraz szew wytwarzany tym sposobem |
CN102095025B (zh) * | 2011-01-31 | 2012-05-23 | 石家庄宝石克拉大径塑管有限公司 | 聚乙烯缠绕结构壁品字型管材及其生产工艺 |
CA2758622A1 (en) * | 2011-11-17 | 2013-05-17 | Allan R. MANNINEN | Coextruded laser weld enabled polymer film or filament and fabrics made therefrom |
FR3099409B1 (fr) * | 2019-07-30 | 2021-10-01 | Arkema France | Structure multicouche pour le transport ou le stockage de l’hydrogene |
FR3099410B1 (fr) * | 2019-07-30 | 2021-10-01 | Arkema France | Structure multicouche pour le transport ou le stockage du gaz ou pour l’exploitation des gisements de petrole sous la mer |
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US118471A (en) * | 1871-08-29 | Improvement in wooden pavements | ||
US3560291A (en) * | 1964-03-27 | 1971-02-02 | Mobil Oil Corp | Bonding thermoplastic resin films by means of radiation from a laser source |
US4093004A (en) * | 1970-07-23 | 1978-06-06 | Phillips Petroleum Company | Armored conduit |
US3802985A (en) * | 1972-01-06 | 1974-04-09 | Heller W | Heatable stratified material and manufacturing method therefor |
JPS5953167B2 (ja) * | 1977-10-06 | 1984-12-24 | 三菱電機株式会社 | 繊維強化プラスチツクの製造方法 |
GB2103147A (en) * | 1981-08-05 | 1983-02-16 | Pa Management Consult | Heat sealing of thermoplastics materials |
GB2150881A (en) * | 1983-11-23 | 1985-07-10 | Bcl Ltd | Decorative packaging films |
US4758462A (en) * | 1986-08-29 | 1988-07-19 | Mobil Oil Corporation | Opaque film composites and method of preparing same |
US4906320A (en) * | 1988-04-15 | 1990-03-06 | The Interlake Companies, Inc. | Apparatus for infrared sealing of plastic strap |
US5945205A (en) * | 1988-12-29 | 1999-08-31 | Mobil Oil Corporation | Opaque film compositions |
US5256459A (en) * | 1991-05-03 | 1993-10-26 | American Roller Company | Wound printing sleeve |
GB2276584B (en) * | 1993-04-01 | 1997-09-17 | British Gas Plc | Joining bodies of thermoplastic material |
NL1003313C2 (nl) * | 1996-06-11 | 1997-12-17 | Akzo Nobel Nv | Werkwijze voor het verbinden van polymere, verstrekte strips en een grid en een verpakking verkregen met deze werkwijze. |
FR2784930B1 (fr) * | 1998-10-23 | 2007-09-28 | Vetrotex France Sa | Corps de revolution creux en materiau composite et son procede de fabrication |
DE19954440C2 (de) * | 1999-11-11 | 2003-05-22 | Plasticon Germany Gmbh | Verfahren zur Herstellung eines Hohlkörpers |
BE1014145A3 (fr) | 2001-04-27 | 2003-05-06 | Solvay Sociutu Anonyme | Tube renforce en matiere plastique et procede de fabrication dudit tube. |
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2002
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2003
- 2003-02-28 AU AU2003215615A patent/AU2003215615A1/en not_active Abandoned
- 2003-02-28 PL PL373028A patent/PL205840B1/pl unknown
- 2003-02-28 EP EP03743355A patent/EP1483101B1/fr not_active Expired - Lifetime
- 2003-02-28 US US10/505,456 patent/US20050158497A1/en not_active Abandoned
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- 2003-02-28 EA EA200401148A patent/EA006195B1/ru not_active IP Right Cessation
- 2003-02-28 WO PCT/EP2003/002073 patent/WO2003074258A1/fr active Application Filing
- 2003-02-28 EP EP07011636.3A patent/EP1847379B8/fr not_active Expired - Lifetime
- 2003-02-28 CN CNA038051281A patent/CN1638946A/zh active Pending
- 2003-02-28 DK DK03743355.4T patent/DK1483101T3/da active
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Also Published As
Publication number | Publication date |
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PL373028A1 (en) | 2005-08-08 |
JP4273217B2 (ja) | 2009-06-03 |
EP1847379A2 (fr) | 2007-10-24 |
EA200401148A1 (ru) | 2005-02-24 |
EA006195B1 (ru) | 2005-10-27 |
FR2836652B1 (fr) | 2005-02-11 |
ATE485153T1 (de) | 2010-11-15 |
NO332301B1 (no) | 2012-08-20 |
EP1847379B8 (fr) | 2016-04-13 |
WO2003074258A1 (fr) | 2003-09-12 |
EP1483101B1 (fr) | 2010-10-20 |
AU2003215615A1 (en) | 2003-09-16 |
BR0308197A (pt) | 2004-12-21 |
KR20040096645A (ko) | 2004-11-16 |
NO20044201L (no) | 2004-10-01 |
DK1483101T3 (da) | 2011-01-31 |
US20090071595A1 (en) | 2009-03-19 |
EP1847379B1 (fr) | 2016-01-13 |
FR2836652A1 (fr) | 2003-09-05 |
EP1847379A3 (fr) | 2011-07-20 |
DE60334608D1 (de) | 2010-12-02 |
EP1483101A1 (fr) | 2004-12-08 |
CN1638946A (zh) | 2005-07-13 |
US20050158497A1 (en) | 2005-07-21 |
PL205840B1 (pl) | 2010-06-30 |
US8088240B2 (en) | 2012-01-03 |
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