JP2009519147A - 非晶質熱可塑性ポリマーをベースとしたセル構造体を製造する方法 - Google Patents
非晶質熱可塑性ポリマーをベースとしたセル構造体を製造する方法 Download PDFInfo
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- JP2009519147A JP2009519147A JP2008544979A JP2008544979A JP2009519147A JP 2009519147 A JP2009519147 A JP 2009519147A JP 2008544979 A JP2008544979 A JP 2008544979A JP 2008544979 A JP2008544979 A JP 2008544979A JP 2009519147 A JP2009519147 A JP 2009519147A
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- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
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Abstract
Description
・ マルチスロットダイを使用して、熱可塑性材料の平行なシートを、冷却チャンバの中に連続的に押し出すとともに、シートの長手方向の縁とチャンバの壁との間にシールを形成し、それぞれ異なるシートが、シート間およびチャンバの壁との間に区画を画定し;
・ このチャンバにおいて、ダイの最も近くに位置する端から1区画おきに真空を形成し、押し出されたシートを対として変形させ引き寄せて、その高さ全体にわたり局所的な溶着を行い;
・ ダイの最も近くに位置する端から、前の区画と交互に1区画おきに冷却剤を充填し;
・ 各区画において、真空の形成および冷却剤を用いた充填を交互に行い、冷却チャンバにおいて、セルが押出方向に対し垂直となった固化したセル構造体を得ることにある。
・ マルチスロットダイを使用して、前記非晶質ポリマーをベースとした組成物の平行なシートを、冷却チャンバの中に連続的に押し出すとともに、シートの長手方向の縁とチャンバの壁との間にシールを形成し、前記それぞれ異なるシートが、シート間およびチャンバの壁との間に区画を画定し;
・ このチャンバにおいて、ダイの最も近くに位置する端から1区画おきに真空を形成し、押し出されたシートを対として変形させ引き寄せて、その高さ全体にわたり局所的な溶着を行い;
・ ダイの最も近くに位置する端から、前の区画と交互に1区画おきに冷却剤を充填し;
・ 各区画において、真空の形成および冷却剤を用いた充填を交互に行い、冷却チャンバにおいて、セルが押出方向に対し垂直である固化したセル構造体を得、
前記方法は、
・ 処理温度において0.1rad/sの角速度で測定された、押し出された非晶質ポリマーの動的溶融粘度が2000Pa.s未満である、非晶質ポリマー組成物を選択し;
・ 冷却剤の温度を、少なくともTg−20℃(Tgは非晶質ポリマーをベースとした組成物のガラス転移温度である)と等しくなるよう調整することを特徴とする、方法に関する。
・ 熱可塑性エラストマー、およびそのブレンド;
・ 熱可塑性ポリエステル;
・ 塩化ビニルから得られるホモポリマーおよびコポリマー、ならびにそのブレンド、である。
以下の実施例により、限定することなく本発明を説明する。
幅4cm、高さ12.2mmのセル構造体を、以下の条件下で、以下の装置を用いて押し出した。
・ 5箇所の別個の加熱ゾーン(Z1からZ5)を有し、ダイを備えた文献EP-B-1 009 625に記載のSCAMEX 45押出機で、3箇所の加熱ゾーンを160℃まで加熱する。ダイは冷却水に直接開き、文献EP-B-1 009 625に記載の溶着を確実とするための、水ベースの圧力および真空システムを備える;
・ 押出機中の温度プロファイル:
Z1:109℃
Z2:145℃
Z3:156℃
Z4:154℃
Z5:155℃
・ 使用された非晶質ポリマーをベースとする組成物:重合した塩化ビニル85重量%および重合した酢酸ビニル15重量%を含有するコポリマーを、20重量%のフタル酸ジオクチルで可塑化したもの;
・ 0.1rad/sおよび160℃での非晶質ポリマーの動的粘度:859Pa.s;
・ 非晶質ポリマーのTg:35℃;
・ ダイ入口での材料温度:160℃;
・ 押出圧力:9バール;
・ スクリュースピード:30rpm;
・ 水圧:1.5バール;
・ 真空度:400mmHg;
・ 圧力/真空サイクルの時間:0.5秒/0.5秒;
・ 延伸比:65%;および
・ 冷却水温度:35℃。
高さ:12.2mm;および
かさ密度:0.27kg/dm3。
実施例1で述べた条件および装置でセル構造体の押出を試みたが、0.1rad/s、処理温度(200℃)における動的粘度が6624Pa.s、Tgが85℃の塩化ビニルをベースとしたポリマー組成物を使用した。
幅4cm、高さ10mmのセル構造体を、以下の特定の条件下で、実施例1で述べた装置を用いて押し出した。
・ SCAMEX 45押出機の加熱ゾーンを210℃まで加熱;
・ 押出機中の温度プロファイル:
Z1:111℃
Z2:158℃
Z3:194℃
Z4:194℃
Z5:204℃
・ 使用した組成物:実施例2Rと同様;
・ ダイ入口での材料温度:211℃;
・ 押出圧力:43バール;
・ スクリュースピード:13rpm;
・ 水圧:1.5バール;
・ 真空度:400mmHg;
・ 圧力/真空サイクルの時間:0.75秒/0.75秒;
・ 延伸比:60%;および
・ 冷却水温度:60℃。
・ 高さ:10mm;および
・ かさ密度:0.590kg/dm3。
Claims (10)
- 非晶質ポリマーをベースとしたセル構造体を製造する方法であって、
・ マルチスロットダイを使用して、前記非晶質ポリマーをベースとした組成物の平行なシートを、冷却チャンバの中に連続的に押し出すとともに、前記シートの長手方向の縁と前記チャンバの壁との間にシールを形成し、前記それぞれ異なるシートが、シート間および前記チャンバの前記壁との間に区画を画定し;
・ 前記チャンバにおいて、前記ダイの最も近くに位置する端から1区画おきに真空を形成し、押し出されたシートを対として変形させ引き寄せて、その高さ全体にわたり局所的な溶着を行い;
・ 前記ダイの最も近くに位置する前記端から、前の区画と交互に1区画おきに冷却剤を充填し;
・ 各区画において、真空の形成および冷却剤を用いた充填を交互に行い、前記冷却チャンバにおいて、セルが押出方向に対し垂直である固化したセル構造体を得、
前記方法は、
・ 処理温度において0.1rad/sの角速度で測定された動的溶融粘度が2000Pa.s未満である非晶質ポリマー組成物を選択し;
・ 前記冷却剤の温度を、少なくともTg−20℃(Tgは前記非晶質ポリマーをベースとした前記組成物のガラス転移温度である)と等しくなるよう調整することを特徴とする、方法。 - 前記非晶質ポリマーをベースとした前記組成物が、60℃未満のガラス転移温度(Tg)を有することを特徴とする、請求項1に記載の方法。
- 前記非晶質ポリマーが、塩化ビニル(VC)から得られるホモポリマーおよびコポリマーから選択されることを特徴とする、請求項1または2に記載の方法。
- 前記非晶質ポリマーが、塩化ビニルと酢酸ビニルのコポリマー(VC/VAcコポリマー)であることを特徴とする、請求項3に記載の方法。
- 前記ポリマー組成物が、モノマー可塑剤またはポリマー可塑剤を含むことを特徴とする、請求項3または4に記載の方法。
- 前記可塑剤が、エポキシ化大豆油(ESO)またはDOP(フタル酸ジオクチル)であることを特徴とする、請求項5に記載の方法。
- 前記組成物が、10から30重量%のDOPまたはESOにより可塑化された、5から25重量%の酢酸ビニルを含む塩化ビニルコポリマーをベースとすることを特徴とする、請求項6に記載の方法。
- 前記冷却剤が水であることを特徴とする、請求項1から7のいずれか一項に記載の方法。
- 前記水の温度が、20から50℃の間であることを特徴とする、請求項8に記載の方法。
- 請求項1から9のいずれかに記載の方法に従って得られやすく、平行に押し出され断続的に溶着されたシートで構成される、熱可塑性ポリマーを含む組成物をベースとしたセル構造体であって、前記ポリマーが、塩化ビニル(VC)から得られるホモポリマーおよびコポリマーの間から選択される非晶質ポリマーであり、前記組成物が、モノマー可塑剤またはポリマー可塑剤を含むことを特徴とする、セル構造体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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FR0512663A FR2894511B1 (fr) | 2005-12-14 | 2005-12-14 | Structures alveolaires a base de polymeres thermoplastiques amorphes |
PCT/EP2006/069567 WO2007068680A1 (en) | 2005-12-14 | 2006-12-12 | Process for manufacturing cellular structures based on amorphous thermoplastic polymers |
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US (1) | US20080254277A1 (ja) |
EP (1) | EP1963088A1 (ja) |
JP (1) | JP2009519147A (ja) |
CN (1) | CN101331016B (ja) |
FR (1) | FR2894511B1 (ja) |
WO (1) | WO2007068680A1 (ja) |
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US20080268225A1 (en) * | 2004-10-20 | 2008-10-30 | Solvay (Societe Anonyme) | Method for Manufacturing a Multilayer Insulating Panel |
FR2899145B1 (fr) | 2006-03-29 | 2008-05-09 | Solvay | Procede pour la fabrication d'une structure alveolaire a base de matiere plastique |
Citations (4)
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DE275115C (ja) * | ||||
JPH0655403B2 (ja) * | 1983-11-10 | 1994-07-27 | ミネソタ マイニング アンド マニュファクチュアリング コンパニー | 押出成形品およびその製法 |
JP2000053839A (ja) * | 1998-08-11 | 2000-02-22 | Sekisui Chem Co Ltd | 塩化ビニル系樹脂組成物 |
JP2001524037A (ja) * | 1997-03-19 | 2001-11-27 | デユクルイ,ギー | 熱融解材料で蜂の巣構造体を製造するための方法およびその方法を実施する装置 |
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US2333280A (en) * | 1941-01-17 | 1943-11-02 | Goodrich Co B F | Polyvinyl halide composition |
US2455612A (en) * | 1947-07-19 | 1948-12-07 | Monsanto Chemicals | Compositions comprising a polyvinyl chloride resin stabilized with the alkali metal salts and the alkaline earth metal salts of ortho-sulfobenzimide |
US3162897A (en) * | 1961-12-14 | 1964-12-29 | Marvin E Wallis | Liquid film extruding head |
US3468858A (en) * | 1964-12-31 | 1969-09-23 | Air Reduction | Vinyl chloride-propylene copolymers |
DE2751115A1 (de) * | 1977-11-16 | 1979-05-23 | Klaus Ing Grad Rennebeck | Formkoerper mit etwa wabenaehnlicher struktur fuer waermetauscher, wascher o.dgl. |
US4658544A (en) * | 1985-09-30 | 1987-04-21 | Mccarty Lon H | Door assembly |
EP1022292B1 (en) * | 1999-01-21 | 2005-05-04 | JSR Corporation | Ethylene-1-butene random copolymer and polypropylene resin composition comprising the same |
DE19952570A1 (de) * | 1999-11-02 | 2001-05-03 | Bayer Ag | Energieabsorber für ein Absorbieren von Stoßenergie |
FR2857616B1 (fr) * | 2003-07-18 | 2007-04-06 | Solvay | Procede pour l'assemblage des elements d'une structure comprenant une ame en nid d'abeille |
US20080268225A1 (en) * | 2004-10-20 | 2008-10-30 | Solvay (Societe Anonyme) | Method for Manufacturing a Multilayer Insulating Panel |
FR2883791B1 (fr) * | 2005-04-05 | 2007-06-01 | Solvay | Structure plane composee d'un assemblage cohesif de cellules alveolaires jointives |
-
2005
- 2005-12-14 FR FR0512663A patent/FR2894511B1/fr not_active Expired - Fee Related
-
2006
- 2006-12-12 EP EP06841330A patent/EP1963088A1/en not_active Withdrawn
- 2006-12-12 CN CN200680047267XA patent/CN101331016B/zh not_active Expired - Fee Related
- 2006-12-12 JP JP2008544979A patent/JP2009519147A/ja active Pending
- 2006-12-12 US US12/094,900 patent/US20080254277A1/en not_active Abandoned
- 2006-12-12 WO PCT/EP2006/069567 patent/WO2007068680A1/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE275115C (ja) * | ||||
JPH0655403B2 (ja) * | 1983-11-10 | 1994-07-27 | ミネソタ マイニング アンド マニュファクチュアリング コンパニー | 押出成形品およびその製法 |
JP2001524037A (ja) * | 1997-03-19 | 2001-11-27 | デユクルイ,ギー | 熱融解材料で蜂の巣構造体を製造するための方法およびその方法を実施する装置 |
JP2000053839A (ja) * | 1998-08-11 | 2000-02-22 | Sekisui Chem Co Ltd | 塩化ビニル系樹脂組成物 |
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Publication number | Publication date |
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CN101331016B (zh) | 2011-02-02 |
FR2894511B1 (fr) | 2010-01-08 |
FR2894511A1 (fr) | 2007-06-15 |
US20080254277A1 (en) | 2008-10-16 |
CN101331016A (zh) | 2008-12-24 |
WO2007068680A1 (en) | 2007-06-21 |
EP1963088A1 (en) | 2008-09-03 |
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