JP2012511443A - フェロエレクトレット多層複合材料および平行管状チャンネルを有するフェロエレクトレット多層複合材料の製造方法 - Google Patents
フェロエレクトレット多層複合材料および平行管状チャンネルを有するフェロエレクトレット多層複合材料の製造方法 Download PDFInfo
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Abstract
Description
a)第一ポリマーフィルム、第二ポリマーフィルムおよびその間に配置されたマスク層を含有する積重ね層を供給する工程であって、積重ね層の中でマスクが溝によって互いに離れて配置された1つ以上のうね、特に平行なうねを有し、うねが少なくとも一方の終端で結合されていないかまたは分離可能なように結合され、マスクが一方または両方の終端で積重ね層から突出している、積重ね層を供給する工程、
b)工程a)で製造された積重ね層を積層し、ポリマーフィルムを結合してポリマーフィルム複合材料を形成する工程、
c)任意に、一方の終端でマスクのうねを分離する工程、
d)マスクをポリマーフィルム複合材料から引き抜くことによって、マスクをポリマーフィルム複合材料から取り除く工程、
e)工程d)で開通した管状チャンネルの内面を反対電荷で帯電させる工程。
a)積層装置、
b)溝によって互いに離れて配置された2つ以上の平行なうねを有するマスクであって、うねが積層装置の内部に少なくとも部分的に配置されているマスク、
c)積重ね層を形成するために、少なくとも1つのポリマーフィルムをマスクの上方に、そして少なくとも1つのポリマーフィルムをマスクの下方に連続供給するための供給装置を各々の場合において1つ以上、および
d)供給装置に面する終端で一緒に結合し、反対端で互いに分離している、マスクのうね
を含む、方法を実施するための装置に関する。
図1:2つのポリマーフィルムからなる本発明のフェロエレクトレット多層複合材料の断面図、
図2:マスク層を伴った2つのポリマーフィルムからなる本発明の積重ね層の平面図、
図3a:本発明にしたがって製造した、2つのポリカーボネートフィルムからなるフェロエレクトレット多層複合材料の上面写真、
図3b:本発明にしたがって製造した、2つのポリカーボネートフィルムからなるフェロエレクトレット多層複合材料の断面写真、
図4:本発明にしたがって製造した、3つのポリカーボネートフィルムからなるフェロエレクトレット多層複合材料の断面写真、および
図5:本発明の方法を実施するための装置の概略図。
ポリカーボネートフィルムからのフェロエレクトレット多層複合材料の製造
2つのポリカーボネートポリマーフィルムシートの間に、PTFEポリマーフィルムシートをマスクとして挿入した。ポリカーボネートフィルムは各々50μmの厚さを有していた。うねが幅1.3mmの平行フィルムストリップ形状をとるように、互いに平行に伸びた細長い矩形溝をマスクから切り取った。うねはマスクの両終端で結合していた。マスクの両終端は、形成された積重ね層の外に突出していた。マスクフィルムは200μmの厚さを有していた。次いで、積重ね層を180℃の温度で積層した。この操作中、ポリカーボネートフィルムは、マスクの溝の領域で一緒に結合され、うねを形成した。一方の終端で、マスクフィルムの終端を単純に切り取ることによって、うねを互いに分離した。これによって、マスクは、櫛様形状を有することになり、もう一方の終端(こちらのうねは、なお結合している)を引っ張ることによってポリカーボネートフィルム複合材料から容易に除去することができた。連続平行管状チャンネルを伴った2つのポリカーボネートからなるポリマーフィルム複合材料を得た。チャンネルの幅および高さは、うねの幅および高さによって規定された。チャンネルの高さは200μmであった。続いて、ポリカーボネートフィルムの外面に、厚さ50nmのアルミニウム電極を取り付け、3kVの電流を直接流すことによって分極させた。
2週間後、d33圧電係数を測定した。
d33ポリカーボネート試料1:350pC/N
d33ポリカーボネート試料2:600pC/N
FEPフィルムからのフェロエレクトレット多層複合材料の製造
厚さ50μmのFEPフィルムおよび厚さ200μmとうね幅1.3mmとを有するPTFEのマスクを用いて、実施例1のようにフェロエレクトレット多層複合材料を製造した。積層によるFEPフィルムの結合は、300℃の温度で実施した。2週間後、d33圧電係数を測定した。
d33圧電定数の機械的測定のための試験装備および測定の実施
試験装置には、基本的に以下の3つの主要素が必要とされる:力発生器、力測定器および電荷測定器。Brueel & Kjaer社製タイプ4810電気振盪機を、力発生器として選択した。該振盪機によって、入力電圧に応じて所定の力を作用させることが可能になる。この振盪機を可動プラットホームに取り付けた。その位置は、垂直方向に手動で調節することができる。振盪機の高さ調節機能は、試料を固定するのに必要である。加えて、それによって、測定に必要とされる静的予備圧力(static pre-pressure)を調節することができる。振盪機を制御するために、Stanford Research Systems社製DS345関数発生器を、Brueel & Kjaer社製タイプ2718電力増幅器と組み合わせて使用した。Burster社製タイプ8435力センサーを、力測定装置として使用した。該力センサーは、0〜200Nの範囲での圧力測定および引張荷重測定の両方について設計されている。しかしながら、力はもっぱら垂直に加えられなければならないので、横方向の分力またはトルクはセンサーに影響を与えてはならない。このことを確実にするために、力センサーは、その中でほとんど摩擦を伴わずスライドするステンレススチール製ピンを有する円筒形圧力ガイドランナーを備えていた。該ピンの自由端に、試料のための支持表面として機能する幅2cmの研磨されたプレートを備えていた。力センサーからの信号は、Burster社製タイプ9243増幅器モジュールを用いて検出され、GOULD 4094オシロスコープに送られた。
2a ポリマーフィルム
2b ポリマーフィルム
3 平行管状チャンネル
4 積重ね層
5 マスク
5a マスクの終端
5b マスクの終端
6 マスクの溝
7 マスクのうね
8 ロール・ツー・ロール製法で本発明の方法の工程a)、b)およびd)を実施するための装置
9a 第一供給ロール
9b 第二供給ロール
10 第一積層ロール
11 加熱装置
12 第二積層ロール
A ポリマーフィルム複合材料からマスクを引き抜く方向
X これに沿って、例えば単純に切り取ることによって、うねを互いに分離する線
Claims (15)
- 順に重ねられ一緒に結合された少なくとも2つのポリマーフィルムを含んでなるフェロエレクトレット多層複合材料であって、ポリマーフィルムの間にボイドが形成され、ボイドが管状チャンネルであることを特徴とする、フェロエレクトレット多層複合材料。
- ボイドが互いに平行に伸びる管状チャンネルであることを特徴とする、請求項1に記載のフェロエレクトレット多層複合材料。
- ポリマーフィルムが、ポリカーボネート、フッ素化ポリマーおよびフッ素化コポリマー、ポリエステル、ポリイミド、ポリメチルメタクリレート、シクロオレフィンポリマー、シクロオレフィンコポリマーおよびポリプロピレンからなる群から選択される同じまたは異なったポリマー材料からなることを特徴とする、請求項1に記載のフェロエレクトレット多層複合材料。
- 3つ以上のポリマーフィルムが順に重ねられて一緒に結合され、ポリマーフィルムの間の管状チャンネルが、順に重ねられた層において互いに平行にまたは垂直に配置されていることを特徴とする、請求項1に記載のフェロエレクトレット多層複合材料。
- チャンネル(3)が両方の終端で開いているか、或いは一方または両方の終端で閉じていることを特徴とする、請求項1に記載のフェロエレクトレット多層複合材料。
- 導電被膜が、ポリマーフィルムの外面に少なくとも部分的に適用されていることを特徴とする、請求項1に記載のフェロエレクトレット多層複合材料。
- a)第一ポリマーフィルム、第二ポリマーフィルムおよびその間に配置されたマスク層を含有する積重ね層を供給する工程であって、積重ね層の中でマスクが溝によって互いに離れて配置された1つ以上の平行なうねを有し、うねが少なくとも一方の終端で結合されていないかまたは分離可能なように結合され、マスクが一方または両方の終端で積重ね層から突出している、積重ね層を供給する工程、
b)工程a)で製造された積重ね層を積層し、ポリマーフィルムを結合してポリマーフィルム複合材料を形成する工程、
c)任意に、一方の終端でマスクのうねを分離する工程、
d)マスクをポリマーフィルム複合材料から引き抜くことによって、マスクをポリマーフィルム複合材料から取り除く工程、
e)工程d)で開通した管状チャンネルの内面を反対電荷で帯電させる工程
を特徴とする、平行管状チャンネルを有するフェロエレクトレット多層複合材料の製造方法。 - 工程e)においてチャンネルの内面を帯電させる前および/または後に、ポリマー複合材料の外面に電極を適用することを特徴とする、請求項7に記載の方法。
- 工程a)において、積重ね層が、1つ以上の付加的なポリマーフィルムおよび1つ以上のマスク層を含有し、積重ね層の外側層がポリマーフィルムによって形成されていることを特徴とする、請求項7に記載の方法。
- 付加的なポリマーフィルムおよびマスク層を、積重ね層において交互に配置することを特徴とする、請求項9に記載の方法。
- マスクのうねが一方の終端で結合されておらず、工程a)、b)およびd)を連続ロール・ツー・ロール製法として実施することを特徴とする、請求項7に記載に記載の方法。
- 請求項1〜6のいずれかに記載のフェロエレクトレット多層複合材料を含有する圧電素子。
- センサー素子またはアクチュエーター素子であることを特徴とする、請求項12に記載の圧電素子。
- 管状チャンネルを形成する手段を含んでなることを特徴とする、請求項1に記載のフェロエレクトレット多層複合材料を製造するための装置。
- 少なくとも以下の構成要素:
a.積層装置、
b.溝によって互いに離れて配置された2つ以上の平行なうねを有するマスクであって、うねが積層装置の内部に少なくとも部分的に配置されているマスク、
c.積重ね層を形成するために、少なくとも1つのポリマーフィルムをマスクの上方に、そして少なくとも1つのポリマーフィルムをマスクの下方に連続供給するための供給装置を各々の場合において1つ以上、および
d.供給装置に面する終端で一緒に結合し、反対端で互いに分離している、マスクのうね
を含むことを特徴とする、請求項7または11に記載の方法を実施するための装置。
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WO2014193493A2 (en) | 2013-02-15 | 2014-12-04 | The Florida State University Research Foundation, Inc. | Polymer foam-based piezoelectric materials and method of manufacture |
US10149099B2 (en) * | 2014-01-05 | 2018-12-04 | Lg Electronics Inc. | Method and user equipment for relaying proximity service-based group communication |
WO2018191741A1 (en) * | 2017-04-14 | 2018-10-18 | Emfit Ltd. | Wearable sensor and system thereof |
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EP2376278A2 (de) | 2011-10-19 |
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US20110234056A1 (en) | 2011-09-29 |
PT2376278E (pt) | 2013-03-25 |
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ES2401609T3 (es) | 2013-04-23 |
JP5628197B2 (ja) | 2014-11-19 |
WO2010066347A2 (de) | 2010-06-17 |
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