JP2013541203A - 圧電ポリマー素子、圧電ポリマー素子の製造方法及び圧電ポリマー素子の製造装置 - Google Patents
圧電ポリマー素子、圧電ポリマー素子の製造方法及び圧電ポリマー素子の製造装置 Download PDFInfo
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Abstract
【選択図】 なし
Description
本発明の第1の態様によれば、ポリマー材料を押し出すのと同時的にポリマー材料の押し出された領域を分極処理する工程を有する圧電ポリマー素子の製造方法が提供される。
Claims (39)
- ポリマー材料を押し出すのと同時的に前記ポリマー材料の押し出された領域を分極処理する工程を有することを特徴とする圧電ポリマー素子の製造方法。
- 前記圧電ポリマー素子は繊維である請求項1に記載の圧電ポリマー素子の製造方法。
- 前記圧電ポリマー素子はフィルムである請求項1に記載の圧電ポリマー素子の製造方法。
- 前記圧電ポリマー素子は、ポリマー顆粒の供給材料から押し出されたものである請求項1乃至3のいずれか1項に記載の圧電ポリマー素子の製造方法。
- 前記ポリマー顆粒は、圧電セラミック粒子が分散されたポリマーである請求項4に記載の圧電ポリマー素子の製造方法。
- 前記圧電ポリマー素子は、溶融押し出し機から押し出されたものである請求項1乃至5のいずれか1項に記載の圧電ポリマー素子の製造方法。
- 前記ポリマーは、前記押し出し機のフィードスクリューにおいて前記ポリマーの融点を超える第1の温度に維持され、かつ、前記押し出し機の押し出しダイにおいて第1の温度よりも高い第2の温度に維持されている請求項6に記載の圧電ポリマー素子の製造方法。
- 前記第1の温度は、前記ポリマーの融点よりもほぼ20度高い請求項7に記載の圧電ポリマー素子の製造方法。
- 前記第2の温度は、前記ポリマーの融点よりもほぼ30度高い請求項7または8に記載の圧電ポリマー素子の製造方法。
- 前記押し出された領域は、分極処理の前に1以上の加熱されたロールを越えて引き出される請求項1乃至9のいずれか1項に記載の圧電ポリマー素子の製造方法。
- 前記押し出された領域は、ガラス転移温度とポリマーの溶融温度との間の温度に加熱される請求項10に記載の圧電ポリマー素子の製造方法。
- 前記押し出された領域は60乃至90℃まで加熱される請求項10に記載の圧電ポリマー素子の製造方法。
- 前記押し出された領域は約70℃まで加熱される請求項12に記載の圧電ポリマー素子の製造方法。
- 前記押し出された領域は、分極処理の前に前記押し出された領域が塑性的に伸張するように、降伏点を超える圧力下で引き出される請求項1乃至13のいずれか1項に記載の圧電ポリマー素子の製造方法。
- 前記押し出された領域は少なくとも2:1の伸張比で可塑的に伸張されている請求項14に記載の圧電ポリマー素子の製造方法。
- 前記伸張比は少なくとも3:1である請求項15に記載の圧電ポリマー素子の製造方法。
- 前記伸張比は少なくとも4:1である請求項16に記載の圧電ポリマー素子の製造方法。
- 前記伸張比は約4:1である請求項17に記載の圧電ポリマー素子の製造方法。
- 前記分極は、前記押し出された領域の両側から0.5MV/m乃至1.5MV/mの電界を印加することにより行われる請求項1乃至18のいずれか1項に記載の圧電ポリマー素子の製造方法。
- 圧電ポリマー素子の製造装置であって、
顆粒供給材料からポリマー素子を押し出す押し出し機と、
前記ポリマー素子の押し出しと同時的に前記ポリマー素子の押し出された領域を横断するように電界を印加する一対の電極とを備えることを特徴とする圧電ポリマー素子の製造装置。 - 前記押し出し機はフィードスクリュー及び押し出しダイを有する溶融押し出し機であり、
前記溶融押し出し機は、前記フィードスクリューを前記顆粒供給材料の融点を超える第1の温度に維持し、前記押し出しダイを第1の温度よりも高い第2の温度に維持する請求項20に記載の圧電ポリマー素子の製造装置。 - 前記第1の温度は前記融点より約20℃高く、前記第2の温度は前記融点よりも約30℃高い請求項22に記載の圧電ポリマー素子の製造装置。
- 前記圧電ポリマー素子の製造装置は、複数の加熱ローラを備えている請求項20乃至22のいずれか1項に記載の圧電ポリマー素子の製造装置。
- 前記複数の加熱ローラは、ガラス転移点よりも高く顆粒供給材料の融点よりも低い温度に維持されている請求項23に記載の圧電ポリマー素子の製造装置。
- 前記複数の加熱ローラの温度は、60℃乃至90℃である請求項24に記載の圧電ポリマー素子の製造装置。
- 前記複数の加熱ローラの温度は、70℃乃至80℃である請求項25に記載の圧電ポリマー素子の製造装置。
- 前記ローラの温度は、約75℃である請求項26に記載の圧電ポリマー素子の製造装置。
- 前記電極は0.5MV/m乃至1.5MV/mの電界を前記押し出された領域に印加する請求項20乃至27のいずれか1項に記載の圧電ポリマー素子の製造装置。
- 中実な断面を有し、該断面は全体にわたって略均一な組成である圧電ポリマー素子。
- 圧電セラミック粒子が分散したポリマーである請求項29に記載の圧電ポリマー素子の製造装置。
- 前記圧電ポリマー素子は繊維である請求項29または30に記載の圧電ポリマー素子。
- 前記圧電ポリマー素子はフィルムである請求項29または30に記載の圧電ポリマー素子。
- 1以上の圧電ポリマー素子を2つの導電層の間に1以上備える請求項29乃至32のいずれか1項に記載の圧電構造体。
- 一方または両方の前記導電層は、薄いシート、フィルムまたは箔である請求項33に記載の圧電構造体。
- 前記1以上の圧電ポリマー素子は、複数の繊維を備える請求項33または34に記載の圧電構造体。
- 前記1以上の圧電ポリマー素子は、少なくとも一つの薄いシートまたはフィルムを備えている請求項33または34に記載の圧電構造体。
- 請求項33乃至36のいずれか1項に記載の圧電構造体を備えて力学的エネルギーを電気的エネルギーに変換するシステムであって、前記2つの導電層はそれぞれ、整流回路の各端子に接続されているエネルギー変換システム。
- 前記整流回路は、エネルギー蓄積装置に接続されている請求項37に記載のエネルギー変換システム。
- 前記整流回路は、電気負荷に接続されている請求項37または38に記載のエネルギー変換システム。
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ES2529251T3 (es) | 2015-02-18 |
CN103097105A (zh) | 2013-05-08 |
BR112013006070A2 (pt) | 2016-06-07 |
WO2012035350A1 (en) | 2012-03-22 |
GB201015399D0 (en) | 2010-10-27 |
EP2617075B1 (en) | 2014-10-29 |
US20140145562A1 (en) | 2014-05-29 |
EP2617075A1 (en) | 2013-07-24 |
IL225071A (en) | 2016-12-29 |
US9287492B2 (en) | 2016-03-15 |
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