JP7164523B2 - 構造適用のためのブレンドされた繊維マット形成 - Google Patents
構造適用のためのブレンドされた繊維マット形成 Download PDFInfo
- Publication number
- JP7164523B2 JP7164523B2 JP2019527169A JP2019527169A JP7164523B2 JP 7164523 B2 JP7164523 B2 JP 7164523B2 JP 2019527169 A JP2019527169 A JP 2019527169A JP 2019527169 A JP2019527169 A JP 2019527169A JP 7164523 B2 JP7164523 B2 JP 7164523B2
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- JP
- Japan
- Prior art keywords
- fiber
- chopped fibers
- fibers
- mat
- different types
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Images
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Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Inorganic Chemistry (AREA)
- Reinforced Plastic Materials (AREA)
- Nonwoven Fabrics (AREA)
- Treatment Of Fiber Materials (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Description
本出願は、2016年11月30日に出願された米国仮特許出願番号62/428,035の優先権を主張するものであり、参照により本明細書中に援用される。
本発明は概して、バルクの刻まれた繊維を用いた繊維マット形成に関し、特に、構造適用のための刻まれた繊維プリフォームマットを形成するための繊維のブレンドの使用に関する。
Claims (24)
- ブレンドされた繊維フィラーを含むマットを形成する方法であって、
2以上の異なるタイプの繊維トウを提供するステップ;
前記の2以上の異なるタイプの繊維トウを同時に自動切断機に供給して、刻まれた繊維を生産するステップ;
前記の刻まれた繊維を、渦を形成する回転流と垂直流の両方の成分を有する加圧されたガス流が導かれる渦チャンバーに通して、前記の刻まれた繊維を解体して、ブレンドされた繊維フィラーを形成するステップ;
結合剤および他の添加剤によって、ブレンドされた繊維フィラーを形成する前記の刻まれ解体された繊維をコーティングするステップ;および
前記のブレンドされた繊維フィラーのコーティングされた繊維を処理チャンバーに移して、ブレンドされた繊維マットを形成するステップ、
を含む、
方法。 - 請求項1の方法であって、
前記の2以上の異なるタイプの繊維トウは、ガラス繊維、炭素繊維、ポリイミド類繊維、ポリアラミド類繊維、ポリエステル類繊維、ポリアミド類繊維、および結合剤繊維の少なくとも2つのトウを含む、
方法。 - 請求項1の方法であって、
前記自動切断機は、前記渦チャンバーの上に垂直に置かれた回転チョッパーである、
方法。 - 請求項1の方法であって、
前記の2以上の異なるタイプの繊維トウは、前記のブレンドされた繊維マット内の重量によって定義される比を提供するように供給される、
方法。 - ブレンドされた繊維フィラーを含むマットを形成する方法であって、
2以上の異なるタイプの繊維トウを提供するステップ;
前記の2以上の異なるタイプの繊維トウを同時に自動切断機に供給して、刻まれた繊維を生産するステップ;
結合剤および他の添加剤によって前記の刻まれた繊維をコーティングするステップ;および
前記のコーティングされた繊維を処理チャンバーに移して、ブレンドされた繊維マットを形成するステップ、
を含み、
前記の2以上の異なるタイプの繊維トウは、前記のブレンドされた繊維マット内の重量によって定義される比を提供するように供給され、
前記比は、以下:熱可塑性繊維が25重量%~80重量%、強化ガラス繊維が0重量%~70重量%、炭素繊維が0重量%~70重量%、および、結合剤が0重量%~30重量%の範囲である、
方法。 - ブレンドされた繊維フィラーを含むマットを形成する方法であって、
2以上の異なるタイプの繊維トウを提供するステップ;
前記の2以上の異なるタイプの繊維トウを同時に自動切断機に供給して、刻まれた繊維を生産するステップ;
結合剤および他の添加剤によって前記の刻まれた繊維をコーティングするステップ;および
前記のコーティングされた繊維を処理チャンバーに移して、ブレンドされた繊維マットを形成するステップ、
を含み、
前記の刻まれた繊維を、プラズマ処理に曝露するステップをさらに含む、
方法。 - 請求項6の方法であって、
前記処理チャンバーは、プラズマ曝露を前記処理チャンバー内の前記の刻まれた繊維に与えるプラズマ発生電極セットを備える、
方法。 - 請求項6の方法であって、
前記プラズマは、冷プラズマである、
方法。 - 請求項6の方法であって、
前記プラズマは、温プラズマである、
方法。 - 請求項6の方法であって、
前記のブレンドされた繊維マットの片側の上にベールマットを置くステップをさらに含む、
方法。 - 請求項10の方法であって、
前記ベールマットは、ガラス繊維、炭素繊維、熱可塑性繊維、またはそれらの組み合わせの形状である、
方法。 - 請求項10の方法であって、
前記ベールマットおよび前記のブレンドされた繊維マットの両方における熱可塑性結合剤の軟化温度で維持された加熱された一組のローラーを用いて、前記ベールマットと前記のブレンドされた繊維マットを統合して統合マットを形成するステップをさらに含む、
方法。 - 請求項12の方法であって、
前記結合剤は、粉末、繊維、または溶媒噴霧の形状である、
方法。 - ブレンドされた繊維マットを形成するためのシステムであって、
異なるタイプの繊維トウの2以上のリール;
前記の異なるタイプの繊維トウの2以上のリールを受け入れて、刻まれた繊維を、繊維トウの前記の2以上のリールから形成するように構成された切断エレメントを備えるチューブ;
前記の刻まれた繊維を解体してブレンドされた繊維フィラーを形成するために、渦を形成する回転流と垂直流の両方の成分を有する加圧されたガス流が導かれる渦チャンバー;
重力下で前記チューブを出る前記の刻まれた繊維を集めるために前記チューブの下に配置された移動ベルト;
前記の刻まれた繊維に結合剤を添加するために前記移動ベルトに沿って配置されたディスペンサー;および
前記結合剤でコーティングされた前記の刻まれた繊維を受け入れる処理チャンバー、
を備える、
システム。 - 請求項14のシステムであって、
異なる繊維トウのタイプの前記の2以上のリールは、ガラス、炭素、ポリイミド類、ポリアラミド類(polyaramaides)、ポリエステル類、およびポリアミド類、およびそれらの組み合わせである、
システム。 - 請求項14のシステムであって、
前記結合剤は、前記処理チャンバーにおいて適用される、
システム。 - ブレンドされた繊維マットを形成するためのシステムであって、
異なるタイプの繊維トウの2以上のリール;
前記の異なるタイプの繊維トウの2以上のリールを受け入れて、刻まれた繊維を、繊維トウの前記の2以上のリールから形成するように構成された切断エレメントを備えるチューブ;
重力下で前記チューブを出る前記の刻まれた繊維を集めるために前記チューブの下に配置された移動ベルト;
前記の刻まれた繊維に結合剤を添加するために前記移動ベルトに沿って配置されたディスペンサー;
前記結合剤でコーティングされた前記の刻まれた繊維を受け入れる処理チャンバー;および、
ガス流と流体連通している微粒子リザーバーを備える、
システム。 - ブレンドされた繊維マットを形成するためのシステムであって、
異なるタイプの繊維トウの2以上のリール;
前記の異なるタイプの繊維トウの2以上のリールを受け入れて、刻まれた繊維を、繊維トウの前記の2以上のリールから形成するように構成された切断エレメントを備えるチューブ;
重力下で前記チューブを出る前記の刻まれた繊維を集めるために前記チューブの下に配置された移動ベルト;
前記の刻まれた繊維に結合剤を添加するために前記移動ベルトに沿って配置されたディスペンサー;
前記結合剤でコーティングされた前記の刻まれた繊維を受け入れる処理チャンバー;および
前記移動ベルトのセンターラインに向かって前記の刻まれた繊維の一部を促すために、前記移動ベルトの動きの方向に対して内向きに傾斜されたレールを備える、
システム。 - ブレンドされた繊維マットを形成するためのシステムであって、
異なるタイプの繊維トウの2以上のリール;
前記の異なるタイプの繊維トウの2以上のリールを受け入れて、刻まれた繊維を、繊維トウの前記の2以上のリールから形成するように構成された切断エレメントを備えるチューブ;
重力下で前記チューブを出る前記の刻まれた繊維を集めるために前記チューブの下に配置された移動ベルト;
前記の刻まれた繊維に結合剤を添加するために前記移動ベルトに沿って配置されたディスペンサー;および
前記結合剤でコーティングされた前記の刻まれた繊維を受け入れる処理チャンバー;および
前記の刻まれた繊維および前記添加剤の前記結合剤の間の化学反応を促進するための、前記ディスペンサーと関連するプラズマエネルギー、または熱化学線源を備える、
システム。 - 請求項14から16のいずれか一項のシステムであって、
前記処理チャンバーは、前記移動ベルト上で、前記の処理された刻まれた繊維を平らにするための一組のローラーをさらに備える、
システム。 - 請求項14から16のいずれか一項のシステムであって、
前記処理チャンバーは、前記の化学的に処理された刻まれた繊維を硬化する第一の加熱部分、および、前記処理チャンバーから前記のブレンドされた繊維マットが出る前の第二の冷却部分をさらに備える、
システム。 - ブレンドされた繊維マットを形成するためのシステムであって、
異なるタイプの繊維トウの2以上のリール;
前記の異なるタイプの繊維トウの2以上のリールを受け入れて、刻まれた繊維を、繊維トウの前記の2以上のリールから形成するように構成された切断エレメントを備えるチューブ;
重力下で前記チューブを出る前記の刻まれた繊維を集めるために前記チューブの下に配置された移動ベルト;
前記の刻まれた繊維に結合剤を添加するために前記移動ベルトに沿って配置されたディスペンサー;および
前記結合剤でコーティングされた前記の刻まれた繊維を受け入れる処理チャンバー、
を備え、
前記処理チャンバーは、上側移動ベルトをさらに備える、
システム。 - 請求項14から16のいずれか一項のシステムであって、
一連の刃をさらに備える、
システム。 - 請求項1の方法であって、
前記渦チャンバーは、均一な垂直な横断面を有するチューブである、
方法。
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