JP2020501940A - 高められた成形性を提供する表面層を含む複合物品 - Google Patents
高められた成形性を提供する表面層を含む複合物品 Download PDFInfo
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- JP2020501940A JP2020501940A JP2019531288A JP2019531288A JP2020501940A JP 2020501940 A JP2020501940 A JP 2020501940A JP 2019531288 A JP2019531288 A JP 2019531288A JP 2019531288 A JP2019531288 A JP 2019531288A JP 2020501940 A JP2020501940 A JP 2020501940A
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- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laminated Bodies (AREA)
- Reinforced Plastic Materials (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
Description
本出願は、2016年12月12日に出願された米国仮出願第62/433,154号、および2017年7月26日に出願された米国仮出願第62/537,296号に関し、その優先権および利益を主張するものであり、これらの各々の開示全体は、全ての目的に対して参照により本明細書に組み込まれる。
特定の実施形態を、添付図面を参照しながら説明する。
種々の異なるスクリム(任意のコア層に結合させる前に)を試験して、該スクリムが、成形性を高めるために、本明細書に記載される複合物品での使用に適しているかどうかを判定した。スクリムを表1において以下に列記する。
摂氏200度で実施例1〜9において試験した表面層材料の伸長測定を行った。表3は、機械方向(MD)および横方向(CD)における伸長測定の結果を示す。MTS Systems Corporationによる試験システムを使用して、「Breaking Strength and Elongation of Textile Fabrics(Grab Test)(織物の破壊強度および伸長(グラブ試験))」という名称のASTM 5304−09(2013)試験に従って、測定を行った。
特定の物品を、深絞り成型過程に供した。形成された部品を示す写真を図14(ナイロンスクリム)および図15(ポリエチレン(PE)シース材料およびPETコア繊維スクリム)に示す。一定の絞り深さおよびジオメトリにおいて、ナイロンスクリムを含む物品を深絞りしたときには、裂け目が観察された。同じ一定の絞り深さおよびジオメトリで、ポリエチレン(PE)−PETシースコア繊維スクリムを成型したときには(図15)、いかなる裂け目も観察されなかった。いかなるしわも成型試料のいずれにも観察されず、よって、成型中に、高い収縮によるいかなる問題も生じなかった。
対照ボード(PETスクリム)、試料A(PE−PETシースコア繊維)、および試料B(PE−PETシースコア繊維)を含む、3つのLWRTボードの物理的値を測定した。値を下の表4に示す。
対照および試料物品を使用して、種々のサイトおよび深さにおいて「カップケーキ」または円錐台形状を形成した。ダイは、15mmの深さに対応するサイト1、30mmの深さに対応するサイト2、45mmの深さに対応するサイト3、ならびに50mmの深さに対応するサイト4および5の、異なる深さの5つの領域を含めた。ダイキャビティ開口部または幅寸法は、全ての形成した領域について36mmであった。キャビティサイトごとの算出した絞り深さ比を表6に示す。
Claims (97)
- 複合物品であって、
複数の強化繊維および熱可塑性材料から形成されたウェブを含む熱可塑性繊維強化多孔質コア層と、
前記コア層の第1の表面において前記コア層に結合された不織スクリムであって、複数の2成分繊維を含む、不織スクリムと、を含む、複合物品。 - 前記不織スクリムの前記繊維の少なくとも95%が、2成分繊維である、請求項1に記載の複合物品。
- 前記スクリムの前記2成分繊維が、シース−コア繊維を含む、請求項2に記載の複合物品。
- 前記シースコア繊維のシース材料が、ポリオレフィンを含み、前記シース−コア繊維のコア材料が、ポリエステルを含む、請求項3に記載の複合物品。
- 前記ポリオレフィンが、ポリエチレン、またはポリプロピレン、またはその両方を含み、前記ポリエステルが、ポリエチレンテレフタレートを含む、請求項4に記載の複合物品。
- 前記コア層の前記熱可塑性材料が、ポリエチレン、ポリプロピレン、ポリスチレン、アクリロニトリルスチレン、ブタジエン、ポリエチレンテレフタレート、ポリブチレンテレフタレート、ポリブチレンテトラクロレート、ポリ塩化ビニル、ポリアリーレンエーテル、ポリカーボネート、ポリエステルカーボネート、熱可塑性ポリエステル、ポリイミド、ポリエーテルイミド、ポリアミド、アクリロニトリル−ブチルアクリレート−スチレンポリマー、非晶質ナイロン、ポリアリーレンエーテルケトン、ポリフェニレンスルフィド、ポリアリールスルホン、ポリエーテルスルホン、液晶ポリマー、ポリ(1,4フェニレン)化合物、高熱ポリカーボネート、高温ナイロン、シリコーン、またはこれらの材料の互いとの配合物、のうちの1つ以上を含む、請求項1〜5のいずれかに記載の複合物品。
- 前記コア層の前記強化繊維が、ガラス繊維、アラミド繊維、グラファイト繊維、炭素繊維、無機鉱物繊維、金属繊維、金属化合成繊維、および金属化無機繊維、繊維、またはこれらの組み合わせ、のうちの1つ以上を含む、請求項1〜6のいずれかに記載の複合物品。
- 前記コア層の第2の表面に結合されたスキンをさらに含む、請求項1に記載の複合物品。
- 前記スキンが、熱可塑性フィルム、エラストマーフィルム、フリム、スクリム、フォイル、織布、不織布、シース−コア繊維スクリムからなる群から選択されるか、または無機被覆、有機被覆、熱可塑性被覆、もしくは熱硬化性被覆として存在する、請求項8に記載の複合物品。
- 前記多孔質コアが、ロフティング剤をさらに含む、請求項9に記載の複合物品。
- 前記多孔質コア層の多孔率が、少なくとも20%である、請求項9に記載の複合物品。
- 前記多孔質コア層の重量に基づいて、前記熱可塑性材料が、約20重量%〜約80重量%存在し、前記強化繊維が、約20重量%〜約80重量%存在する、請求項11に記載の複合物品。
- 前記熱可塑性材料が、ポリオレフィンを含み、前記強化繊維が、ガラス繊維を含み、前記ロフティング剤が、微小球体を含み、前記表面層が、シース−コア繊維を含む、請求項12に記載の複合物品。
- 前記物品が、少なくとも1つの深絞り領域であって、前記少なくとも1つの深絞り領域においてブレークスルーを伴うことなく少なくとも0.25の絞り深さ比を有する、少なくとも1つの深絞り領域を含む、請求項13に記載の複合物品。
- 前記物品が、少なくとも1つの深絞り領域であって、前記少なくとも1つの深絞り領域においてブレークスルーを伴うことなく少なくとも0.8の絞り深さ比を有する、少なくとも1つの深絞り領域を含む、請求項13に記載の複合物品。
- 前記物品が、少なくとも1つの深絞り領域であって、前記少なくとも1つの深絞り領域においてブレークスルーを伴うことなく少なくとも1.0の絞り深さ比を有する、少なくとも1つの深絞り領域を含む、請求項13に記載の複合物品。
- 前記物品が、少なくとも1つの深絞り領域であって、前記少なくとも1つの深絞り領域においてブレークスルーを伴うことなく少なくとも1.25の絞り深さ比を有する、少なくとも1つの深絞り領域を含む、請求項13に記載の複合物品。
- 前記表面層の坪量が、10gsm〜300gsmである、請求項1〜17のいずれかに記載の複合物品。
- 前記物品に結合された装飾層をさらに含む、請求項1〜18のいずれかに記載の複合物品。
- 前記多孔質コア層が、約300gsm〜約3500gsmの坪量を構成する、請求項1〜19のいずれかに記載の複合物品。
- 繊維強化熱可塑性複合物品であって、
複数の強化繊維および熱可塑性材料から形成されたウェブを含む熱可塑性繊維強化多孔質コア層と、
前記コア層の第1の表面において前記コア層に結合された表面層であって、複数の2成分熱可塑性繊維を含む、表面層と、を含み、前記物品が、少なくとも1つの深絞り領域であって、前記少なくとも1つの深絞り領域においてブレークスルーを伴うことなく前記少なくとも1つの深絞り領域において少なくとも0.25の絞り深さ比を有する、少なくとも1つの深絞り領域を含む、繊維強化熱可塑性複合物品。 - 前記表面層の繊維の少なくとも95重量%が、2成分熱可塑性繊維である、請求項21に記載の複合物品。
- 前記表面層の前記2成分熱可塑性繊維が、シース−コア繊維を含む、請求項22に記載の複合物品。
- 前記シース−コア繊維のシース材料が、ポリオレフィンを含み、前記シース−コア繊維のコア材料が、ポリエステルを含む、請求項23に記載の複合物品。
- 前記ポリオレフィンが、ポリエチレン、またはポリプロピレン、またはその両方を含み、前記ポリエステルが、ポリエチレンテレフタレートを含む、請求項24に記載の複合物品。
- 前記コア層の前記熱可塑性材料が、ポリエチレン、ポリプロピレン、ポリスチレン、アクリロニトリルスチレン、ブタジエン、ポリエチレンテレフタレート、ポリブチレンテレフタレート、ポリブチレンテトラクロレート、ポリ塩化ビニル、ポリアリーレンエーテル、ポリカーボネート、ポリエステルカーボネート、熱可塑性ポリエステル、ポリイミド、ポリエーテルイミド、ポリアミド、アクリロニトリル−ブチルアクリレート−スチレンポリマー、非晶質ナイロン、ポリアリーレンエーテルケトン、ポリフェニレンスルフィド、ポリアリールスルホン、ポリエーテルスルホン、液晶ポリマー、ポリ(1,4フェニレン)化合物、高熱ポリカーボネート、高温ナイロン、シリコーン、またはこれらの材料の互いとの配合物、のうちの1つ以上を含む、請求項21〜25のいずれかに記載の複合物品。
- 前記コア層の前記強化繊維が、ガラス繊維、アラミド繊維、グラファイト繊維、炭素繊維、無機鉱物繊維、金属繊維、金属化合成繊維、および金属化無機繊維、繊維、またはこれらの組み合わせ、のうちの1つ以上を含む、請求項21〜26のいずれかに記載の複合物品。
- 前記コア層の第2の表面に結合されたスキンをさらに含む、請求項21に記載の複合物品。
- 前記スキンが、熱可塑性フィルム、エラストマーフィルム、フリム、スクリム、フォイル、織布、不織布、シース−コア繊維スクリムからなる群から選択されるか、または無機被覆、有機被覆、熱可塑性被覆、もしくは熱硬化性被覆として存在する、請求項28に記載の複合物品。
- 前記多孔質コアが、ロフティング剤をさらに含む、請求項29に記載の複合物品。
- 前記多孔質コア層の多孔率が、少なくとも20%である、請求項29に記載の複合物品。
- 前記多孔質コア層の重量に基づいて、前記熱可塑性材料が、約20重量%〜約80重量%存在し、前記強化繊維が、約20重量%〜約80重量%存在する、請求項31に記載の複合物品。
- 前記熱可塑性材料が、ポリオレフィンを含み、前記強化繊維が、ガラス繊維を含み、前記ロフティング剤が、微小球体を含み、前記表面層が、シース−コア繊維を含むスクリムを含む、請求項32に記載の複合物品。
- 前記物品が、少なくとも1つの深絞り領域であって、前記少なくとも1つの深絞り領域においてブレークスルーを伴うことなく少なくとも0.25の絞り深さ比を有する、少なくとも1つの深絞り領域を含む、請求項33に記載の複合物品。
- 前記物品が、少なくとも1つの深絞り領域であって、前記少なくとも1つの深絞り領域においてブレークスルーを伴うことなく少なくとも0.8の絞り深さ比を有する、少なくとも1つの深絞り領域を含む、請求項33に記載の複合物品。
- 前記物品が、少なくとも1つの深絞り領域であって、前記少なくとも1つの深絞り領域においてブレークスルーを伴うことなく少なくとも1.0の絞り深さ比を有する、少なくとも1つの深絞り領域を含む、請求項33に記載の複合物品。
- 前記表面層が、約10gsm〜約300gsmの坪量を構成するスクリムである、請求項21〜36のいずれかに記載の複合物品。
- 前記スクリムが、ポリオレフィンを含むシース材料を有する熱可塑性コア繊維の不織配列で構成され、前記スクリムの前記熱可塑性繊維の少なくとも95重量%が、ポリオレフィンを含むシース材料を有する前記熱可塑性コア繊維である、請求項37に記載の複合物品。
- 前記物品に結合された装飾層をさらに含む、請求項21〜38のいずれかに記載の複合物品。
- 前記多孔質コア層が、約300gsm〜約3500gsmの坪量を構成する、請求項21〜39のいずれかに記載の複合物品。
- 熱可塑性複合物品であって、
複数の強化繊維および熱可塑性材料から形成されたウェブを含む熱可塑性繊維強化多孔質コア層と、
前記コア層の第1の表面において前記コア層に結合された表面層であって、複数のシース−コア繊維を含む、表面層と、を含み、前記シース−コア繊維のコア材料が、熱可塑性繊維を含み、前記シース−コア繊維のシース材料が、熱可塑性材料を含む、熱可塑性複合物品。 - 前記表面層の前記熱可塑性繊維の少なくとも95重量%が、前記シース−コア繊維を含み、前記シース−コア繊維のシース材料が、ポリオレフィンを含む、請求項41に記載の複合物品。
- 前記シース−コア繊維の前記ポリオレフィンが、ポリエチレン、またはポリプロピレン、またはその両方を含む、請求項42に記載の複合物品。
- 前記シース−コア繊維のコア材料が、ポリエチレンテレフタレート繊維を含む、請求項42に記載の複合物品。
- 前記表面層の前記ポリエチレンテレフタレート繊維が、ポリエチレン、またはポリプロピレン、またはその両方を含むシース材料を含む、請求項44に記載の複合物品。
- 前記コア層の前記熱可塑性材料が、ポリエチレン、ポリプロピレン、ポリスチレン、アクリロニトリルスチレン、ブタジエン、ポリエチレンテレフタレート、ポリブチレンテレフタレート、ポリブチレンテトラクロレート、ポリ塩化ビニル、ポリアリーレンエーテル、ポリカーボネート、ポリエステルカーボネート、熱可塑性ポリエステル、ポリイミド、ポリエーテルイミド、ポリアミド、アクリロニトリル−ブチルアクリレート−スチレンポリマー、非晶質ナイロン、ポリアリーレンエーテルケトン、ポリフェニレンスルフィド、ポリアリールスルホン、ポリエーテルスルホン、液晶ポリマー、ポリ(1,4フェニレン)化合物、高熱ポリカーボネート、高温ナイロン、シリコーン、またはこれらの材料の互いとの配合物、のうちの1つ以上を含む、請求項41〜45のいずれかに記載の複合物品。
- 前記コア層の前記強化繊維が、ガラス繊維、アラミド繊維、グラファイト繊維、炭素繊維、無機鉱物繊維、金属繊維、金属化合成繊維、および金属化無機繊維、繊維、またはこれらの組み合わせ、のうちの1つ以上を含む、請求項41〜46のいずれかに記載の複合物品。
- 前記コア層の第2の表面に結合されたスキンをさらに含む、請求項41に記載の複合物品。
- 前記スキンが、熱可塑性フィルム、エラストマーフィルム、フリム、スクリム、フォイル、織布、不織布、シース−コア繊維スクリムからなる群から選択されるか、または無機被覆、有機被覆、熱可塑性被覆、もしくは熱硬化性被覆として存在する、請求項48に記載の複合物品。
- 前記多孔質コアが、ロフティング剤をさらに含む、請求項49に記載の複合物品。
- 前記多孔質コア層の多孔率が、少なくとも20%である、請求項49に記載の複合物品。
- 前記多孔質コア層の重量に基づいて、前記熱可塑性材料が、約20重量%〜約80重量%存在し、強化繊維が、約20重量%〜約80重量%存在する、請求項51に記載の複合物品。
- 前記熱可塑性材料が、ポリオレフィンを含み、前記強化繊維が、ガラス繊維を含み、前記ロフティング剤が、微小球体を含み、前記表面層が、シース−コア繊維を含むスクリムを含む、請求項52に記載の複合物品。
- 前記物品が、少なくとも1つの深絞り領域であって、前記少なくとも1つの深絞り領域においてブレークスルーを伴うことなく少なくとも0.25の絞り深さ比を有する、少なくとも1つの深絞り領域を含む、請求項53に記載の複合物品。
- 前記物品が、少なくとも1つの深絞り領域であって、前記少なくとも1つの深絞り領域においてブレークスルーを伴うことなく少なくとも0.80の絞り深さ比を有する、少なくとも1つの深絞り領域を含む、請求項53に記載の複合物品。
- 前記物品が、少なくとも1つの深絞り領域であって、前記少なくとも1つの深絞り領域においてブレークスルーを伴うことなく少なくとも1.0の絞り深さ比を有する、少なくとも1つの深絞り領域を含む、請求項53に記載の複合物品。
- 前記表面層が、約10gsm〜約300gsmの坪量を構成するスクリムである、請求項41〜56のいずれかに記載の複合物品。
- 前記スクリムが、ポリオレフィンを含むシース材料を有する熱可塑性コア繊維の不織配列で構成され、前記スクリム内の繊維少なくとも95重量%が、前記ポリオレフィンを含む前記シース材料を有する前記熱可塑性コア繊維を含む、請求項57に記載の複合物品。
- 前記物品に結合された装飾層をさらに含む、請求項41〜58のいずれかに記載の複合物品。
- 前記多孔質コア層が、約300gsm〜約3500gsmの坪量を構成する、請求項41〜59のいずれかに記載の複合物品。
- 2成分繊維を含む表面層を、複数の強化繊維および熱可塑性材料から形成されたウェブを含む熱可塑性繊維強化多孔質コア層の上へ配置することを含む、熱可塑性複合物品を生成する方法。
- 前記熱可塑性材料および繊維を組み合わせて、撹拌した水性泡を形成することと、
前記撹拌した水性泡をワイヤ支持体の上へ配置することと、
前記水を排出して、前記熱可塑性材料によって共に保持された前記繊維のウェブを形成することと、
前記ウェブを前記熱可塑性材料の融解温度以上の第1の温度まで加熱することと、
前記ウェブを第1の厚さに圧縮することと、によって、前記多孔質コア層を形成することをさらに含む、請求項61に記載の方法。 - シース材料を前記表面層の熱可塑性繊維の上へ配置することによって前記表面層を形成して、前記2成分繊維を含む前記表面層を提供することをさらに含む、請求項62に記載の方法。
- ポリオレフィンシース材料を前記表面層の前記熱可塑性繊維の上へ配置することによって、前記表面層を形成することをさらに含む、請求項62に記載の方法。
- 前記水性泡を前記表面層のコア繊維に提供して、前記表面層を提供することをさらに含む、請求項62に記載の方法。
- 前記水性泡を前記表面層の前記コア繊維の上へ噴霧することをさらに含む、請求項65に記載の方法。
- 前記コア繊維を含む前記表面層を前記水性泡に浸すことをさらに含む、請求項65に記載の方法。
- 前記物品を加熱して、前記表面層の前記ポリオレフィンシース材料を融解させることをさらに含む、請求項61に記載の方法。
- 少なくとも1つの領域を深絞りする形成過程に前記物品を供して、ブレークスルーを伴うことなく前記少なくとも1つの深絞り領域について少なくとも0.25の絞り深さ比を提供することをさらに含む、請求項61に記載の方法。
- 装飾層を前記コア層に結合させることをさらに含む、請求項61に記載の方法。
- 熱可塑性複合物品を生成する方法であって、
熱可塑性材料および繊維を組み合わせて、撹拌した水性泡を形成することと、
前記撹拌した水性泡をワイヤ支持体の上へ配置することと、
前記水を排出して、前記熱可塑性材料によって共に保持された前記繊維のウェブを形成することと、
前記ウェブを前記熱可塑性材料の融解温度以上の第1の温度まで加熱することと、
2成分繊維を含む表面層を前記加熱したウェブの上へ配置して、前記複合物品を提供することと、
前記複合物品を第1の厚さに圧縮することと、を含む、方法。 - ポリオレフィンを含むように、前記多孔質コア層の前記熱可塑性材料を選択することをさらに含む、請求項71に記載の方法。
- ガラス繊維、アラミド繊維、グラファイト繊維、炭素繊維、無機鉱物繊維、金属繊維、金属化合成繊維、および金属化無機繊維、繊維、またはこれらの組み合わせ、のうちの1つ以上を含むように、前記繊維を選択することをさらに含む、請求項71に記載の方法。
- 少なくとも1つの深絞り領域を、前記深絞り領域においてブレークスルーを伴うことなく含むように、前記熱可塑性物品を形成することをさらに含む、請求項71に記載の方法。
- 前記少なくとも1つの深絞り領域においてブレークスルーを伴うことなく少なくとも0.25の絞り深さ比を提供するように、前記複合物品の少なくとも1つの領域を形成することをさらに含む、請求項71に記載の方法。
- 前記少なくとも1つの深絞り領域においてブレークスルーを伴うことなく少なくとも0.80の絞り深さ比を提供するように、前記複合物品の少なくとも1つの領域を形成することをさらに含む、請求項71に記載の方法。
- 前記少なくとも1つの深絞り領域においてブレークスルーを伴うことなく少なくとも1.0の絞り深さ比を提供するように、前記複合物品の少なくとも1つの領域を形成することをさらに含む、請求項71に記載の方法。
- 前記少なくとも1つの深絞り領域においてブレークスルーを伴うことなく少なくとも1.25の絞り深さ比を提供するように、前記複合物品の少なくとも1つの領域を形成することをさらに含む、請求項71に記載の方法。
- 前記複合物品を加熱し、前記表面層のシース−コア繊維内のシース材料を融解させて、前記表面層と前記コア層との間の接着力を増加させることをさらに含む、請求項71に記載の方法。
- 前記シース−コア繊維の前記シース材料を融解させた後に、前記複合物品を圧縮することをさらに含む、請求項79に記載の方法。
- 熱可塑性複合物品を生成する方法であって、
前記熱可塑性材料および繊維を組み合わせて、撹拌した水性泡を形成することと、
前記撹拌した水性泡をワイヤ支持体の上へ配置することと、
前記水を排出して、前記熱可塑性材料によって共に保持された前記繊維のウェブを形成することと、
前記ウェブを前記熱可塑性材料の融解温度以上の第1の温度まで加熱することと、
前記熱可塑性物品を第1の厚さに圧縮することと、
2成分繊維を含む表面層を前記圧縮したウェブの上へ配置して、熱可塑性複合物品を提供することと、を含む、方法。 - ポリオレフィンを含むように、前記多孔質コア層の前記熱可塑性材料を選択することをさらに含む、請求項81に記載の方法。
- ガラス繊維、アラミド繊維、グラファイト繊維、炭素繊維、無機鉱物繊維、金属繊維、金属化合成繊維、および金属化無機繊維、繊維、またはこれらの組み合わせ、のうちの1つ以上を含むように、前記繊維を選択することをさらに含む、請求項81に記載の方法。
- 少なくとも1つの深絞り領域を、前記深絞り領域においてブレークスルーを伴うことなく含むように、前記熱可塑性物品を形成することをさらに含む、請求項81に記載の方法。
- 前記少なくとも1つの深絞り領域においてブレークスルーを伴うことなく少なくとも0.25の絞り深さ比を含むように、前記熱可塑性複合材料の前記少なくとも1つの領域を形成することをさらに含む、請求項81に記載の方法。
- 前記少なくとも1つの深絞り領域においてブレークスルーを伴うことなく少なくとも0.50の絞り深さ比を含むように、前記熱可塑性複合材料の前記少なくとも1つの領域を形成することをさらに含む、請求項81に記載の方法。
- 前記少なくとも1つの深絞り領域においてブレークスルーを伴うことなく少なくとも0.80の絞り深さ比を含むように、前記熱可塑性複合材料の前記少なくとも1つの領域を形成することをさらに含む、請求項81に記載の方法。
- 前記少なくとも1つの深絞り領域においてブレークスルーを伴うことなく少なくとも1.0の絞り深さ比を含むように、前記熱可塑性複合材料の前記少なくとも1つの領域を形成することをさらに含む、請求項81に記載の方法。
- 前記熱可塑性複合物品を加熱し、前記2成分繊維のシース材料を融解させて、前記表面層と前記コア層との間の接着力を増加させることをさらに含む、請求項81に記載の方法。
- 前記2成分繊維の前記シース材料を融解させた後に、前記複合物品を圧縮することをさらに含む、請求項89に記載の方法。
- 複数の強化繊維および熱可塑性材料から形成されたウェブを含む熱可塑性繊維強化多孔質コア層と、
前記コア層の第1の表面において前記コア層に結合された不織スクリムであって、前記不織スクリムが、ポリオレフィンシース材料を伴わない熱可塑性コア繊維を含む相当する不織スクリムによって提供される深絞り領域の深さと比較して、深絞り領域においてブレークスルーを伴うことなく前記深絞り領域の深さを増加させるために、前記ポリオレフィンシース材料を有する複数の前記熱可塑性コア繊維を含む、不織スクリムと、を含む、熱可塑性物品。 - 複合物品であって、
複数の強化繊維および熱可塑性材料から形成されたウェブを含む熱可塑性繊維強化多孔質コア層と、
複数の2成分繊維を含む表面層と、を含み、前記表面層が、前記多孔質コア層に結合される、複合物品。 - 前記表面層内の繊維の少なくとも95重量%が、シース−コア繊維である、請求項92に記載の複合物品。
- 前記シース−コア繊維が、ポリエチレンまたはポリプロピレンを含むシース材料を含む、請求項93に記載の複合物品。
- 前記2成分繊維が、ポリエチレン、もしくはポリプロピレン、もしくはその両方を含むシース材料を有するポリエチレンテレフタレートコア繊維、またはポリエチレン、もしくはポリプロピレン、もしくはその両方を含むシース材料を有するナイロンコア繊維を含む、請求項94に記載の複合物品。
- 前記多孔質コア層が、難燃性材料を含む、請求項92に記載の複合物品。
- 前記難燃性材料が、膨張性グラファイト材料、水酸化マグネシウム、水酸化アルミニウム、またはこれらの組み合わせを含む、請求項96に記載の複合物品。
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