JP2011505277A - 高機械的強度を有するハニカムおよびそれから作製された物品 - Google Patents
高機械的強度を有するハニカムおよびそれから作製された物品 Download PDFInfo
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Classifications
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- D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
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Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laminated Bodies (AREA)
- Paper (AREA)
Abstract
Description
a)5〜35体積部の固体ポリマー材料と、
b)65〜95体積部のボイドと
を含む紙から形成されていて、
紙の正規化曲げ最大荷重が0.33mgf/(g/m2)^3以上であり、ガーレー空気抵抗が50秒/100ml以上である(Mgfは、ミリグラム力を意味し、g/m2は1平方メートル当たりのグラムを意味する)、ハニカム構造に関する。
ASTM D374−99により測定した紙厚さおよびASTM D646−96により測定した坪量を用いて、紙密度を計算した。繊維デニールは、ASTM D1907−07を用いて測定した。
M−アラミド紙を、Grossによる米国特許第3,756,908号明細書に記載された通りにして、約50重量%のポリ(メタフェニレンイソフタルアミド)フィブリドおよび約50重量%のm−アラミドフロックを用いて形成した。m−アラミドフロックは、E.I.du Pont de Nemours and Company(Wilmington,DE)(DuPont)より、NOMEX(登録商標)という商品名で販売されている繊維から切断された、約0.22tex(2.0デニール)の線密度、約6.4mmの長さを有するフロックであった。
実施例1および2と同様にして、ただし、追加の熱処理は行わずに紙を形成した。紙の特性を表1に示す。
紙を実施例1と同様にして形成した。形成後、約3000N/cmの線圧で、350℃まで2つの金属ロール間で紙をカレンダ加工した。紙の特性を表1に示す。
実施例1と同様にして、ただし、金属ロールの表面温度は260℃として紙を形成し、熱処理した。紙の特性を表1に示す。
実施例1および2の紙の10インチ×8インチ試料を、Durez Corporation(Novi,MI)により供給されたPlyophen(登録商標)23900フェノール樹脂タイプの溶液に浸漬した。浸漬後、紙を吸い取ることにより、過剰の樹脂を除去し、含浸した紙を熱処理して、82℃で15分、121℃で15分、182℃で60分の硬化サイクルを用いて樹脂を硬化した。最終シート構造の特性を表2に示す。
実施例3および4の紙の10インチ×8インチ試料を、Plyophen(登録商標)23900フェノール樹脂タイプの溶液に浸漬した。浸漬後、紙を吸い取ることにより、過剰の樹脂を除去し、含浸した紙を熱処理して、実施例3および4と同じ硬化サイクルを用いて樹脂を硬化した。最終シート構造の特性を表2に示す。
ハニカムブロックを以下の工程に従って作製した。
ハニカムブロックは、以下の手順で作製することができる。比較例2により作製した紙を、原材料として用いて、ブロックを作製する。実施例5と同様にして、ただし、膨張ブロックを、約320℃の温度で、20分間オーブン中で熱処理する以外は、ハニカムブロックを作製する。浸漬および硬化した最終かさ密度特性は、実施例5のハニカムと同様である。
DuPontより販売されている1.5T412NOMEX(登録商標)紙の形成された(未カレンダ加工)前駆体を、約325℃の表面温度で、2つの金属ロールに通過させることにより熱処理した。最終熱処理紙の坪量は31.5g/m2、厚さは0.10mm、密度は0.31g/cm3であった。固体は、紙体積の約23%で、体積の残りの77%はボイドであった。
Claims (9)
- 複数のハニカムセルを画定する表面を有する複数の相互接続された壁を含むハニカム構造であって、前記セル壁が、
a)5〜35体積部の固体ポリマー材料と、
b)65〜95体積部のボイドと
を含む紙から形成されていて、
前記紙の正規化曲げ最大荷重が0.33mgf/(g/m2)^3以上であり、ガーレー空気抵抗が50秒/100ml以上である、ハニカム構造。 - 前記紙が、ポリマー繊維およびポリマーフィブリドを含有する請求項1に記載のハニカム構造。
- 前記紙が、20〜70重量パーセントのポリマー繊維および30〜80重量パーセントのポリマーフィブリドを含む請求項1に記載のハニカム構造。
- 前記ポリマー繊維が、m−アラミド繊維である請求項2に記載のハニカム構造。
- 前記ポリマーフィブリドが、m−アラミドフィブリドである請求項2に記載のハニカム構造。
- 前記紙が樹脂でコートされている請求項1に記載のハニカム構造。
- 前記樹脂が、フェノール、ポリイミド、エポキシおよびこれらの混合物から選択される請求項6に記載のハニカム構造。
- 複数のハニカムセルを画定する表面を有する複数の相互接続された壁を含むハニカム構造を有する構造パネルであって、前記セル壁が、
a)5〜35体積部の固体ポリマー材料と、
b)65〜95体積部のボイドと
を含む紙から形成されていて、
前記紙の正規化曲げ最大荷重が0.33mgf/(g/m2)^3以上であり、ガーレー空気抵抗が50秒/100ml以上であり、少なくとも1つのフェースシートが、前記ハニカムの外側部分に取り付けられている、構造パネル。 - 前記フェースシートが、樹脂含浸繊維または金属から作製されている請求項7に記載の構造パネル。
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KR101700827B1 (ko) | 2015-05-28 | 2017-01-31 | 코오롱인더스트리 주식회사 | 적층 아라미드 종이 및 그 제조방법 |
KR20160139541A (ko) | 2015-05-28 | 2016-12-07 | 코오롱인더스트리 주식회사 | 허니콤용 아라미드 페이퍼 및 그의 제조방법 |
CN104894923B (zh) * | 2015-06-02 | 2017-05-03 | 无锡统力电工股份有限公司 | 一种涂胶菱格环氧胶芳纶纸及其制作方法 |
CN109955565B (zh) * | 2017-12-14 | 2020-09-04 | 广州金发碳纤维新材料发展有限公司 | 一种耐高温热塑性蜂窝板材 |
US11686048B2 (en) * | 2018-05-28 | 2023-06-27 | Teijin Aramid B.V. | Aramid-based paper with improved properties |
CN110181897B (zh) * | 2019-07-02 | 2021-08-06 | 中车长春轨道客车股份有限公司 | 一种芳纶纸蜂窝复合制件及其制备方法、应用 |
CN112726283B (zh) * | 2020-12-25 | 2022-09-06 | 烟台民士达特种纸业股份有限公司 | 一种耐高温蜂窝芯材用聚对苯撑苯并二噁唑纤维纸基材料及其制备方法 |
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WO2009070531A1 (en) | 2009-06-04 |
EP2214900A1 (en) | 2010-08-11 |
US8268434B2 (en) | 2012-09-18 |
BRPI0819004A2 (pt) | 2017-05-16 |
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