JP2021511992A - 複合材料、その製造方法、複合材料の使用方法及び複合材料を含む製品 - Google Patents
複合材料、その製造方法、複合材料の使用方法及び複合材料を含む製品 Download PDFInfo
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- JP2021511992A JP2021511992A JP2020562801A JP2020562801A JP2021511992A JP 2021511992 A JP2021511992 A JP 2021511992A JP 2020562801 A JP2020562801 A JP 2020562801A JP 2020562801 A JP2020562801 A JP 2020562801A JP 2021511992 A JP2021511992 A JP 2021511992A
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- composite material
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- material according
- present
- epoxy resin
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Abstract
Description
本発明の目的を達成するため及び従来技術から知られている不足又は障害を解決するため、従来技術のシリンダについての評価、市場で入手可能な材料の評価を行うと共に、これらの材料の特性の判定と、本発明に係るシリンダに対して実行した性能試験によるパラメータ化とを行った。
本発明のカテゴリの1つとしてのガスシリンダを取得した後、シリンダの製造に用いられる本発明に係る複合材料を含む第3層及び第4層のみを含むサンプルを、500℃のオーブン内に配置して、エポキシ樹脂ポリマー母材を焼成した。これにより、本発明に係る複合材料を含む第3層及び第4層のファイバ含有量を判定した。この試験方法は、通常のものであり、規格ASTM D3171によって標準化されている。本発明に係る複合材料の各層のボイド率及び繊維含量並びに平均ワインディング角度は、デジタル顕微鏡を用いて判定した。手順は、光学顕微鏡又は走査電子顕微鏡によるデジタル画像の取得を含んでいた。ボイド(空洞)は、通常、ファイバよりも大きい寸法であり、より少なくされた画像で観察された。当該画像は、モザイク状に組み立てられて、サンプル断面の全体をカバーした。このように視野範囲を拡張した画像は、サンプルの全体像をもたらすものであり、従来の顕微鏡の利用によって得られる個別の視野範囲によって一般的に得られる画像よりも非常に優れている。通常、ボイドは、暗領域として現れ、色調により区分可能である。しかし、製造工程により生じた損傷を理由とする他の暗領域も存在した。
a) 本発明に係る複合材料の第2層を有する高密度ポリエチレン(HDPE)シリンダを回転成形により準備する。
b) 第1層を形成するポリテトラフルオロエチレンを、液圧プレスにおける粉末冶金による低温圧縮成形により第2層の内面にコーティングする。
c) エポキシ樹脂及び硬化剤を含むポリマー母材並びに必要に応じたナノ粒子の混合物を含浸させたカーボンファイバの束をフィラメント・ワインディングすることにより、高密度ポリエチレンの第2層の外面をコーティングして、本発明に係る複合材料の第3層を形成する。
d) 複合材料の第3層のエポキシ樹脂を加熱により硬化及び凝固させる。
e) ポリアクリロニトリル(PAN)又はリグニンから製造されたカーボンファイバ又はシートを含む複合材料の第3層の外面に対して、希釈液とエポキシ樹脂及び硬化剤を含むポリマー母材の混合物を含浸させたアラミド繊維の束をフィラメント・ワインディングによりコーティングすることにより、本発明に係る複合材料からなる外側の第4層を形成する。
f) 複合材料の第4層のエポキシ樹脂を加熱により硬化及び凝固させる。
試験は、25℃の室温で行うと共に、圧力容器の使用時には、上記規格が要求する場合、100℃で行った。
Claims (10)
- ポリテトラフルオロエチレンを含む内側の第1層と、
前記第1層をカバーし、高密度ポリエチレンを含む第2層と、
前記第2層に取り付けられ、エポキシ及び硬化剤を含むポリマー母材を有する硬化エポキシ樹脂が含浸され、ポリアクリロニトリル(PAN)若しくはリグニンから製造されたファイバ若しくはカーボンシート又はこれらの混合物から選択された材料を有する第3層と、
希釈液が含浸されたアラミド繊維、若しくは、ポリマー母材及び硬化剤を含む硬化エポキシ樹脂が含浸されたアラミド繊維、又はこれらの混合物から選択された複合材料を含む外側の第4層と
を含む4つの層を有することを特徴とする複合材料。 - 請求項1に記載の複合材料において、
前記第3層は、コロイド状シリカのナノ粒子を含む
ことを特徴とする複合材料。 - 請求項1又は2に記載の複合材料において、
前記第3層は、ポリエチレングリコール(PED)に対するコロイド状シリカのナノ粒子の比率が、30〜60質量パーセントである
ことを特徴とする複合材料。 - 請求項1〜3のいずれか1項に記載の複合材料において、
前記第4層は、アラミド繊維に対する希釈液の比率が、約15〜30質量パーセントである
ことを特徴とする複合材料。 - 請求項1〜4のいずれか1項に記載の複合材料において、
前記希釈液は、エタノール3重量部対希釈液1重量部の割合で、エタノールで希釈されている
ことを特徴とする複合材料。 - 請求項1〜5のいずれか1項に記載の複合材料において、
前記第3層及び前記第4層は、エポキシ樹脂100質量部に対して、硬化剤10〜20質量部、好ましくは13質量部と、ナノ粒子0〜5質量部、好ましくは1質量部とを含む
ことを特徴とする複合材料。 - 請求項1〜6のいずれか1項に記載の複合材料において、
前記第3層は、カーボンファイバ又はシートとグラスファイバの混合物と、ポリマー母材、硬化剤及びナノシリカを含む硬化エポキシ樹脂とを含む
ことを特徴とする複合材料。 - 請求項1〜7のいずれか1項に記載の複合材料の使用方法であって、
前記複合材料を、高い耐性、高い貯留性能及び高い遮蔽能力を示すシリンダ、カップリング又は配管である製品の製造に用いる
ことを特徴とする複合材料の使用方法。 - 請求項1〜7のいずれか1項に記載の複合材料を用いて製造された製品であって、
前記製品は、シリンダ、カップリング又は配管である
ことを特徴とする製品。 - 請求項9に記載の製品において、
前記製品は、液化天然ガス、圧縮天然ガス(CNG)、液化石油ガス(LPG)、CO2、O2、N2から選択された加圧ガス用に用いられる
ことを特徴とする製品。
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BR102017024629A BR102017024629A2 (pt) | 2017-11-16 | 2017-11-16 | cilindro de pressão com blindagem e processo para sua produção |
BR102018069607-6A BR102018069607B1 (pt) | 2018-09-25 | Compósito, processo para sua produção, uso do dito material e artigos compreendendo o dito material | |
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