JP2005213499A - インサイツ重合によるエラストマーの動的加硫 - Google Patents
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Abstract
【解決手段】 加工可能なゴム組成物は、熱可塑性ポリマー材料のマトリックス中に分散している加硫したエラストマーを含んでなる。一実施形態では、マトリックスは連続相を形成し、かつ加硫したエラストマー材料は、不連続相を形成する粒子の形態である。本組成物は、硬化剤と、未硬化フルオロカーボンエラストマーと、反応性オリゴマーとを混合する工程、及びエラストマー材料の加硫とオリゴマーの重合を達成するために十分な温度で十分な時間、機械エネルギーを加えて混合しながら混合物を加熱する工程によって製造する。このゴム組成物から、ブロー成形、射出成形、及び押出成形のような通常の熱可塑性プロセスによって、シール、ガスケット、O-リング、及びホースのような造形品を容易に形成することができる。
【選択図】 なし
Description
本発明は、硬化したエラストマーを含有する熱加工可能な組成物に関する。本発明は、動的加硫技術によるその製造方法にも関する。
本発明は、熱可塑性ポリマー材料のマトリックス中に分散している加硫したエラストマー材料を含んでなる加工可能なゴム組成物を提供する。エラストマー材料は、架橋又は加硫するとエラストマー特性を示す合成ポリマー材料を含む。一実施形態では、マトリックスは連続相を形成し、かつ加硫したエラストマー材料は、不連続相を形成する粒子の形態である。
好ましい実施形態の以下の説明は、単に典型例に過ぎず、決して本発明、その適用、又は用途を限定することを意図しない。本明細書で述べるこの発明の説明の精査においては、以下の定義及び非限定的指針を考慮しなければならない。
(a)未硬化又は部分的に硬化したエラストマー材料と、該エラストマー材料と反応する硬化剤と、重合して前記組成物の熱可塑性ポリマーマトリックスを形成する化合物を含む反応性オリゴマーとを配合することによって混合物を形成する工程;
(b)前記エラストマー材料の加硫と前記反応性オリゴマーの重合を達成するために十分な温度で十分な時間、前記混合物を加熱し、かつ機械エネルギーを加える工程;
を含む方法を提供する。
別の局面では、本発明は、加工可能なゴム組成物の製造方法であって、以下の工程:
(a)未硬化又は部分的に硬化したエラストマー材料と反応性オリゴマーの混合物を形成する工程;及び
(b)同時に、前記混合物中の前記エラストマー材料を硬化させ、かつ前記オリゴマーを重合させる工程;
を含み、
(c)開環又は縮合重合によって、前記オリゴマーが重合して熱可塑性材料を形成することを特徴とする方法を提供する。
(a)未硬化又は部分的に硬化したエラストマー材料と反応性オリゴマーの混合物を形成する工程;及び
(b)同時に、前記混合物中の前記エラストマー材料を硬化させ、かつ前記オリゴマーを重合させる工程を含み、
開環又は縮合重合によって、前記オリゴマーが重合して熱可塑性材料を形成することを特徴とする方法を提供する。
Qは窒素又はリンであり;
Zは水素原子又は
末端に式-COOAの基(式中、Aは水素原子又はNH4 +カチオンである)がある、4〜約20個の炭素原子を有する置換若しくは無置換の環式若しくは非環式アルキル基であり、或いはZは、式-CY2COOR'の基(式中、Yは水素若しくはハロゲン原子、又は任意に1個以上の四級ヘテロ原子を含んでもよい1〜約6個の炭素原子を有する置換若しくは無置換アルキル若しくはアリール基であり、かつR'は、水素原子、NH4 +カチオン、アルキル基であり、又は非環式無水物、例えば式-CORの基(式中、Rはアルキル基又はそれ自体有機-オニウムを含有する(すなわち、ビス-有機-オニウムを与える)基である)であり;好ましくはR'は水素である)であり;Zは、末端に式-COOAの基(式中、Aは水素原子又はNH4 +カチオンである)がある、4〜約20個の炭素原子を有する置換若しくは無置換の環式若しくは非環式アルキル基でもよく;
R1、R2、及びR3は、それぞれ独立的に、水素原子若しくはアルキル、アリール、アルケニル、又はそのいずれかの組合せであり、各R1、R2、及びR3は、塩素、フッ素、臭素、シアノ、-OR"、又は-COOR"(式中、R"は、C1〜C20アルキル、アリール、アラルキル、又はアルケニルである)で置換されていてもよく、かつR1、R2、及びR3基のいずれかの対が相互に結合し、かつQと結合してヘテロ環式環を形成していてもよく;1個以上のR1、R2、及びR3基が、式Zの基(Zは上で定義したとおりである)でもよく;
Xは、有機若しくは無機アニオン(例えば、限定するものではないが、ハライド、スルフェート、アセテート、ホスフェート、ホスホネート、ヒドロキシド、アルコキシド、フェノキシド、又はビスフェノキシド)であり;かつ
nは、アニオンXのイオン価に等しい数である。
Claims (34)
- ゴム組成物の製造方法であって、以下の工程:
(a)未硬化又は部分的に硬化したエラストマー材料と、該エラストマー材料と反応する硬化剤と、重合して前記組成物の熱可塑性ポリマーマトリックスを形成する化合物を含む反応性オリゴマーとを配合して混合物を形成する工程;及び
(b)前記エラストマー材料の加硫と前記反応性オリゴマーの重合を達成するために十分な温度で十分な時間、前記混合物を加熱し、かつ機械エネルギーを加える工程;
を含む方法。 - 前記エラストマー材料がフルオロカーボンエラストマーを含む、請求項1記載の方法。
- 前記エラストマー材料がジエンゴムを含む、請求項1記載の方法。
- 前記エラストマー材料がシリコーンゴムを含む、請求項1記載の方法。
- 前記エラストマー材料がエチレンプロピレンゴムを含む、請求項1記載の方法。
- 前記フルオロカーボンエラストマーが、VDF/HFP、VDF/HFP/TFE、VDF/PFVE/TFE、TFE/Pr、TFE/Pr/VDF、TFE/Et/PFVE/VDF、TFE/Et/PFVE、及びTFE/PFVEから成る群より選択される、請求項2記載の方法。
- 前記フルオロカーボンエラストマーが硬化部位モノマーをも含む、請求項6記載の方法。
- 前記硬化剤がポリオールを含む、請求項2記載の方法。
- 前記硬化剤がペルオキシドを含む、請求項2記載の方法。
- 前記硬化剤がイオウを含む、請求項3記載の方法。
- 前記オリゴマーが重合して熱可塑性ポリエステルを形成する、請求項1記載の方法。
- 前記オリゴマーが重合してポリブチレンテレフタレートを形成する、請求項11記載の方法。
- 前記オリゴマーが単環式ポリエステルオリゴマーである、請求項11記載の方法。
- 前記オリゴマーが重合して熱可塑性ポリアミドを形成する、請求項1記載の方法。
- 連続プロセスを含む、請求項1記載の方法。
- 二軸スクリュー押出機内で行われる、請求項16記載の方法。
- バッチプロセスを含む、請求項1記載の方法。
- 加工可能なゴム組成物の製造方法であって、以下の工程:
(a)未硬化又は部分的に硬化したエラストマー材料と反応性オリゴマーの混合物を形成する工程;及び
(b)同時に、前記混合物中の前記エラストマー材料を硬化させ、かつ前記オリゴマーを重合させる工程;
を含み、
(c)開環又は縮合重合によって、前記オリゴマーが重合して熱可塑性材料を形成することを特徴とする方法。 - 前記オリゴマーが前記エラストマーと反応しない、請求項19記載の方法。
- 前記エラストマー材料がフルオロカーボンエラストマーを含む、請求項19記載の方法。
- 前記フルオロカーボンエラストマーをフェノール系硬化剤で硬化させる工程を含む、請求項21記載の方法。
- 前記フルオロカーボンエラストマーをペルオキシド硬化系で硬化させる工程を含む、請求項21記載の方法。
- 前記オリゴマーが重合して熱可塑性ポリエステルを形成する、請求項19記載の方法。
- 前記オリゴマーが重合してポリブチレンテレフタレートを形成する、請求項19記載の方法。
- 加工可能なゴム組成物の製造方法であって、以下の工程:
(a)部分的に硬化した又は未硬化エラストマー材料と、該エラストマー材料と反応する硬化剤と、大環式ポリエステルオリゴマーを含む反応性オリゴマーとを配合する工程;
(b)前記配合物を混合して均質ブレンドを形成する工程;及び
(c)混合しながら前記ブレンドを加熱して、前記エラストマー材料の硬化と前記オリゴマーの重合を達成する工程;
を含む方法。 - 前記エラストマー材料がフルオロカーボンエラストマーを含む、請求項26記載の方法。
- 前記エラストマー材料がジエンゴムを含む、請求項26記載の方法。
- 前記オリゴマーが、有機溶媒中、スズ化合物又はチタン化合物の存在下でポリブチレンテレフタレートを解重合して調製される、請求項26記載の方法。
- 前記フルオロカーボンエラストマーが、テトラフルオロエチレン及びプロピレン由来の繰返し単位を含む、請求項27記載の方法。
- 前記フルオロカーボンエラストマーが、フッ化ビニリデン及びヘキサフルオロプロピレン由来の繰返し単位を含む、請求項27記載の方法。
- 連続プロセスを含む、請求項26記載の方法。
- 二軸スクリュー押出機内で行われる、請求項26記載の方法。
- バッチプロセスを含む、請求項26記載の方法。
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US10/765,493 US7351769B2 (en) | 2004-01-26 | 2004-01-26 | Dynamic vulcanization of elastomers with in-situ polymerization |
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JP4166224B2 JP4166224B2 (ja) | 2008-10-15 |
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EP (1) | EP1561772B1 (ja) |
JP (1) | JP4166224B2 (ja) |
KR (1) | KR20050077038A (ja) |
CN (1) | CN1680483A (ja) |
AT (1) | ATE508157T1 (ja) |
BR (1) | BRPI0500140A (ja) |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009191216A (ja) * | 2008-02-18 | 2009-08-27 | Morisei Kako:Kk | 水道水による白化防止ゴム |
WO2011074473A1 (ja) * | 2009-12-14 | 2011-06-23 | アロン化成株式会社 | 熱可塑性エラストマー組成物及びその製造方法 |
JP2012193237A (ja) * | 2011-03-15 | 2012-10-11 | Aron Kasei Co Ltd | 熱可塑性エラストマー組成物 |
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JP2009191216A (ja) * | 2008-02-18 | 2009-08-27 | Morisei Kako:Kk | 水道水による白化防止ゴム |
WO2011074473A1 (ja) * | 2009-12-14 | 2011-06-23 | アロン化成株式会社 | 熱可塑性エラストマー組成物及びその製造方法 |
JPWO2011074473A1 (ja) * | 2009-12-14 | 2013-04-25 | アロン化成株式会社 | 熱可塑性エラストマー組成物及びその製造方法 |
JP5756025B2 (ja) * | 2009-12-14 | 2015-07-29 | アロン化成株式会社 | 熱可塑性エラストマー組成物及びその製造方法 |
JP2012193237A (ja) * | 2011-03-15 | 2012-10-11 | Aron Kasei Co Ltd | 熱可塑性エラストマー組成物 |
JP2016529376A (ja) * | 2013-09-04 | 2016-09-23 | ライプニッツ−インスティチュート フュア ポリマーフォルシュング ドレスデン エーファウLeibniz−Institut fuer Polymerforschung Dresden e.V. | 熱可塑性ポリウレタンとゴムからのブレンドおよびその製造方法 |
WO2024185238A1 (ja) * | 2023-03-03 | 2024-09-12 | 三菱電線工業株式会社 | シール材 |
JP7556079B2 (ja) | 2023-03-03 | 2024-09-25 | 三菱電線工業株式会社 | シール材 |
Also Published As
Publication number | Publication date |
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US20050165168A1 (en) | 2005-07-28 |
ATE508157T1 (de) | 2011-05-15 |
CN1680483A (zh) | 2005-10-12 |
JP4166224B2 (ja) | 2008-10-15 |
US7351769B2 (en) | 2008-04-01 |
MXPA05000987A (es) | 2005-08-19 |
BRPI0500140A (pt) | 2005-10-04 |
TW200538493A (en) | 2005-12-01 |
EP1561772B1 (en) | 2011-05-04 |
EP1561772A1 (en) | 2005-08-10 |
DE602005027767D1 (de) | 2011-06-16 |
KR20050077038A (ko) | 2005-07-29 |
CA2493505A1 (en) | 2005-07-26 |
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