JP7722992B2 - 成形材料 - Google Patents
成形材料Info
- Publication number
- JP7722992B2 JP7722992B2 JP2022529395A JP2022529395A JP7722992B2 JP 7722992 B2 JP7722992 B2 JP 7722992B2 JP 2022529395 A JP2022529395 A JP 2022529395A JP 2022529395 A JP2022529395 A JP 2022529395A JP 7722992 B2 JP7722992 B2 JP 7722992B2
- Authority
- JP
- Japan
- Prior art keywords
- resin
- layer
- molding material
- fiber
- weight
- 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.)
- Active
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—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
- 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
- B32B5/022—Non-woven fabric
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—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
- 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
- B32B5/06—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 characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper
- B32B5/073—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 characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper characterised by the fibrous or filamentary layer being mechanically connected to another layer by sewing, stitching, hook-and-loop fastening or stitchbonding
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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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
- B32B5/08—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 the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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
- B32B5/10—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 characterised by a fibrous or filamentary layer reinforced with filaments
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- B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
- B32B5/265—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary characterised by one fibrous or filamentary layer being a non-woven fabric layer
- B32B5/266—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary characterised by one fibrous or filamentary layer being a non-woven fabric layer next to one or more non-woven fabric layers
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- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/03—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers with respect to the orientation of features
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/08—Interconnection of layers by mechanical means
- B32B7/09—Interconnection of layers by mechanical means by stitching, needling or sewing
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
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- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0246—Acrylic resin fibres
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
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- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
- B32B2262/0269—Aromatic polyamide fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
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- B32B2262/04—Cellulosic plastic fibres, e.g. rayon
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- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
- B32B2262/062—Cellulose fibres, e.g. cotton
- B32B2262/065—Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
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- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
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- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Reinforced Plastic Materials (AREA)
- Laminated Bodies (AREA)
- Moulding By Coating Moulds (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Nonwoven Fabrics (AREA)
Description
a)第1の不織布繊維層;
b)第2の不織布繊維層;および
c)樹脂層
を含む成形材料であって、
この樹脂層が前記第2の不織布繊維層を前記第1の不織布繊維層の第1の表面に結合しており、かつ、前記樹脂層が前記第1の不織布繊維層の第2の表面上に露出されている、成形材料。
積層構造物を製造する方法であって、
前記第1の不織布繊維層の第2の表面上に露出された樹脂の層を金型またはツールの表面に接触させて、前記金型またはツールの表面上に本発明による成形材料をレイダウン(lay down)すること;
前記成形材料の反対側の表面に樹脂非含有(乾燥)繊維強化材の1つまたは複数の層を適用して、積層体をすること;
前記積層体に注入樹脂を注入すること;および
この注入済み積層体を硬化させること
を含む、方法。
ここで、本発明は、例としてのみ、添付の図面を参照して説明される。
図1は、本発明の一実施形態による成形材料の概略図を示す。
図2は、本発明の別の実施形態による別の成形材料の概略図を示す。
樹脂組成物(組成物1)を以下から配合した:
72.9g Kukdo KFR136SL(Kukdo Chemical Company Limited(韓国、ソウル)によって製造された半固体ビスフェノールAジグリシジルエーテルエポキシ樹脂);
18.2g Epikote(登録商標)828(Hexion Inc.(米国、オハイオ州コロンバス)によって製造された液体ビスフェノールAジグリシジルエーテルエポキシ樹脂);
2.9g Dyhard(登録商標)UR500(Alzchem Group AG(ドイツ、トロストベルク)によって製造された粉末状の二官能潜在性ウロン促進剤)。
(1)Evalith(登録商標)S5030の層(Johns Manville(米国、コロラド州デンバー)によって製造された坪量50g/m2を有するガラス繊維フリース);
(2)ポリエステル繊維とポリアミド繊維のブレンドを含み、15g/m2の坪量を有する軽量で完全に合成された不織布繊維ベールの層(Technical Fibre Products Limited(英国、カンブリア州ケンダル、Burnside Mills)製);および
(3)65g/m2の坪量を有する樹脂組成物1の層。
樹脂組成物(組成物2)を、組成物1と同じ量で同じ成分から配合したが、6gのAerosil(登録商標)R202(Evonik Resource Efficiency GmbH(ドイツ、Hanau-Wolfgang)製の疎水性ヒュームドシリカレオロジー調整剤)を添加した。
(1)LBB1200ファブリックの層(Hexcel Reinforcements UK Limited(英国、Narborough,Leicestershire)製、1250g/m2の三軸ノンクリンプガラス繊維);
(2)Evalith(登録商標)S5030の層(Johns Manville(米国、コロラド州デンバー)製、坪量50g/m2のガラス繊維フリース);
(3)ポリエステル繊維とポリアミド繊維のブレンドを含み、15g/m2の坪量を有する軽量で完全に合成された不織布繊維ベールの層(Technical Fibre Products Limited(英国、カンブリア州ケンダル、Burnside Mills)製);および
(4)140g/m2の坪量を有する樹脂組成物2の層。
樹脂組成物2を用いて、以下の構造を有する成形材料を形成した:
(1)400g/m2の坪量を有する樹脂組成物2の層;
(2)LBB1200ファブリックの層(Hexcel Reinforcements UK Limited(英国、Narborough,Leicestershire)製、1250g/m2の三軸ノンクリンプガラス繊維);
(3)Evalith(登録商標)S5030の層(Johns Manville(米国、コロラド州デンバー)製、坪量50g/m2のガラス繊維フリース);
(4)ポリエステル繊維とポリアミド繊維のブレンドを含み、15g/m2の坪量を有する軽量で完全に合成された不織布繊維ベールの層(Technical Fibre Products Limited(英国、カンブリア州ケンダル、Burnside Mills)製);および
(5)400g/m2の坪量を有する樹脂組成物2の層。
本発明に包含され得る諸態様または諸実施形態は、以下のとおり要約される。
[1].
a)第1の不織布繊維層;
b)第2の不織布繊維層;および
c)樹脂層
を含む成形材料であって、
この樹脂層が前記第2の不織布繊維層を前記第1の不織布繊維層の第1の表面に結合しており、かつ、前記樹脂層が前記第1の不織布繊維層の第2の表面上に露出されている、成形材料。
[2].
前記第2の不織布繊維層が、少なくとも部分的に、任意選択で完全に前記樹脂層の樹脂で含侵されている、上記項目1に記載の成形材料。
[3].
前記樹脂層が、少なくとも1種の樹脂成分、少なくとも1種の硬化剤、および任意選択で充填剤を含む配合された樹脂マトリックスを含む、上記項目1または上記項目2に記載の成形材料。
[4].
前記の配合された樹脂マトリックスが、尿素ベースの硬化剤と組み合わせて少なくとも多官能性ビスフェノールエポキシ樹脂材料を含む、上記項目3に記載の成形材料。
[5].
前記の配合された樹脂マトリックスが、配合された樹脂マトリックスの重量に基づいて1~10重量%の充填剤、好ましくはシリカ充填剤または親油性フィロケイ酸塩を含む、上記項目3または上記項目4に記載の成形材料。
[6].
前記第1の不織布繊維層が、好ましくは1~80g/m 2 、より好ましくは5~50g/m 2 、さらにより好ましくは10~40g/m 2 の範囲の坪量を有する、ポリエステルまたは脂肪族もしくは半芳香族ポリアミド繊維材料を含む、上記項目1~5のいずれか1項に記載の成形材料。
[7].
前記第2の不織布繊維層が、好ましくは前記第1の不織布繊維層の坪量より大きい坪量を有し、より好ましくは20~100g/m 2 、さらにより好ましくは30~80g/m 2 、最も好ましくは30~60g/m 2 の範囲の坪量を有する、ガラス繊維材料、またはポリエステル材料もしくはポリオレフィンポリマー材料、および/または前述の材料の組み合わせを含む、上記項目1~6のいずれか1項に記載の成形材料。
[8].
前記第1の不織布繊維層、前記第2の不織布繊維層、および前記樹脂層から本質的になる、上記項目1~7のいずれか1項に記載の成形材料。
[9].
前記成形材料の樹脂含有量が、前記成形材料の重量に基づいて40~75重量%、好ましくは前記成形材料の重量に基づいて50~60重量%の範囲にある、上記項目8に記載の成形材料。
[10].
前記成形材料が強化層を含み、前記第2の不織布繊維層が前記第1の不織布繊維層と前記強化層との間に配置されている、上記項目1~7のいずれか1項に記載の成形材料。
[11].
前記第2の不織布繊維層が、前記強化層の表面に縫い付けられている、上記項目10に記載の成形材料。
[12].
前記強化層が少なくとも2つの層を含み、各層が一方向繊維を含む、上記項目10または上記項目11に記載の成形材料。
[13].
各層の一方向繊維が異なる方向にある、上記項目12に記載の成形材料。
[14].
前記一方向繊維の複数の層と前記第2の不織布繊維層とが一緒に縫い付けられている、上記項目12または上記項目13に記載の成形材料。
[15].
前記強化層が、繊維強化材料および配合された強化樹脂マトリックスを含む、上記項目10~14のいずれか1項に記載の成形材料。
[16].
前記の配合された強化樹脂マトリックスが、前記樹脂層の樹脂と同じ組成を有する、上記項目15に記載の成形材料。
[17].
前記成形材料の樹脂含有量が、前記成形材料の重量に基づいて5~60重量%、好ましくは前記成形材料の重量に基づいて5~50重量%、より好ましくは5~20重量%、または、前記成形材料の重量に基づいて20~60重量%、より好ましくは25~50重量%の範囲にある、上記項目10~16のいずれか1項に記載の成形材料。
[18].
積層構造物を形成するための、1つまたは複数の予め含浸された繊維強化材(プリプレグ)層と組み合わせた上記項目1~17のいずれか1項に記載の成形材料の使用であって、
前記プリプレグが、前記プリプレグの材料の重量に基づいて30~45重量%の範囲の樹脂含有量を有する、使用。
[19].
樹脂注入プロセスで積層構造物を形成するための、繊維強化材の1つまたは複数の樹脂非含有(乾燥)層と組み合わせた、上記項目1~17のいずれか1項に記載の成形材料の使用。
[20].
積層構造物を製造する方法であって、
前記第1の不織布繊維層の第2の表面上に露出された樹脂の層を金型またはツールの表面に接触させて、前記金型またはツールの表面上に上記項目1~17のいずれか1項に記載の成形材料をレイダウンすること;
前記成形材料の反対側の表面に樹脂非含有(乾燥)繊維強化材の1つまたは複数の層を適用して、積層体をすること;
前記積層体に注入樹脂を注入すること;および
この注入済み積層体を硬化させること
を含む、方法。
[21].
前記成形材料が上記項目8または上記項目9に記載の成形材料である、上記項目20に記載の方法。
[22].
前記成形材料が上記項目10~16のいずれか1項の成形材料であり、前記成形材料の樹脂含有量が前記成形材料の重量に基づいて5~50重量%、好ましくは5~20重量%の範囲である、上記項目20に記載の方法。
[23].
予備含浸された繊維強化材(プリプレグ)の少なくとも1つの層が、樹脂の注入前において前記積層体に内包される、上記項目20~22のいずれか1項に記載の方法。
Claims (17)
- a)第1の不織布繊維層であって、1~10%の開放度を有する第1の不織布繊維層;
b)第2の不織布繊維層;
c)繊維強化層であって、前記第2の不織布繊維層が前記第1の不織布繊維層と前記繊維強化層との間に配置されており、前記第2の不織布繊維層が前記繊維強化層の表面に縫い付けられており、ここで前記繊維強化層は樹脂を含んでいない、繊維強化層;および
d)樹脂層
を含み、
この樹脂層が前記第2の不織布繊維層を前記第1の不織布繊維層の第1の表面に結合しており、かつ、前記樹脂層が前記第1の不織布繊維層の第2の表面上に露出されており、
前記第1の不織布繊維層は前記樹脂層の樹脂で完全に含浸されており、前記第2の不織布繊維層は前記樹脂層の樹脂で部分的に含浸されている一方、前記繊維強化層は前記樹脂層の樹脂で含浸されていない、
成形材料。 - 前記樹脂層が、少なくとも1種の樹脂成分、少なくとも1種の硬化剤、および任意選択で充填剤を含む配合された樹脂マトリックスを含む、請求項1に記載の成形材料。
- 前記の配合された樹脂マトリックスが、尿素ベースの硬化剤と組み合わせて少なくとも多官能性ビスフェノールエポキシ樹脂材料を含む、請求項2に記載の成形材料。
- 前記の配合された樹脂マトリックスが、配合された樹脂マトリックスの重量に基づいて1~10重量%の充填剤、好ましくはシリカ充填剤または親油性フィロケイ酸塩を含む、請求項2または請求項3に記載の成形材料。
- 前記第1の不織布繊維層が、好ましくは1~80g/m2、より好ましくは5~50g/m2、さらにより好ましくは10~40g/m2の範囲の坪量を有する、ポリエステルまたは脂肪族もしくは半芳香族ポリアミド繊維材料を含む、請求項1~4のいずれか1項に記載の成形材料。
- 前記第2の不織布繊維層が、好ましくは前記第1の不織布繊維層の坪量より大きい坪量を有し、より好ましくは20~100g/m2、さらにより好ましくは30~80g/m2、最も好ましくは30~60g/m2の範囲の坪量を有する、ガラス繊維材料、またはポリエステル材料もしくはポリオレフィンポリマー材料、および/または前述の材料の組み合わせを含む、請求項1~5のいずれか1項に記載の成形材料。
- 前記繊維強化層が少なくとも2つの層を含み、各層が一方向繊維を含む、請求項1~6のいずれか1項に記載の成形材料。
- 各層の一方向繊維が異なる方向にある、請求項7に記載の成形材料。
- 前記一方向繊維の複数の層と前記第2の不織布繊維層とが一緒に縫い付けられている、請求項7または請求項8に記載の成形材料。
- 前記繊維強化層が、繊維強化材料および配合された強化樹脂マトリックスを含む、請求項1~9のいずれか1項に記載の成形材料。
- 前記の配合された強化樹脂マトリックスが、前記樹脂層の樹脂と同じ組成を有する、請求項10に記載の成形材料。
- 前記成形材料の樹脂含有量が、前記成形材料の重量に基づいて5~60重量%、好ましくは前記成形材料の重量に基づいて5~50重量%、より好ましくは5~20重量%、または、前記成形材料の重量に基づいて20~60重量%、より好ましくは25~50重量%の範囲にある、請求項1~11のいずれか1項に記載の成形材料。
- 繊維強化材の1つまたは複数の樹脂非含有(乾燥)層と組み合わせ、さらに1つまたは複数の予め含浸された繊維強化材(プリプレグ)層と組み合わせて、樹脂注入プロセスで積層構造物を形成するための成形材料であって、
a)第1の不織布繊維層であって、1~10%の開放度を有する第1の不織布繊維層;
b)第2の不織布繊維層;および
c)樹脂層
を含み、
この樹脂層が前記第2の不織布繊維層を前記第1の不織布繊維層の第1の表面に結合しており、かつ、前記樹脂層が前記第1の不織布繊維層の第2の表面上に露出されており、
前記成形材料を前記繊維強化材の1つまたは複数の樹脂非含有(乾燥)層と組み合わせた状態で、前記第2の不織布繊維層が前記第1の不織布繊維層と前記繊維強化材の1つまたは複数の樹脂非含有(乾燥)層との間に配置されており、前記第2の不織布繊維層が前記繊維強化材の1つまたは複数の樹脂非含有(乾燥)層の表面に縫い付けられており、
前記成形材料を前記繊維強化材の1つまたは複数の樹脂非含有(乾燥)層と組み合わせた状態で、前記第1の不織布繊維層は前記樹脂層の樹脂で完全に含浸されており、前記第2の不織布繊維層は前記樹脂層の樹脂で部分的に含浸されている一方、前記繊維強化材の1つまたは複数の樹脂非含有(乾燥)層は前記樹脂層の樹脂で含浸されておらず、
前記樹脂注入プロセスで積層構造物を形成するために前記成形材料と組み合わされる前記プリプレグが、前記プリプレグの材料の重量に基づいて30~45重量%の範囲の樹脂含有量を有する、成形材料。 - 積層構造物を製造する方法であって、
前記第1の不織布繊維層の第2の表面上に露出された樹脂の層を金型またはツールの表面に接触させて、前記金型またはツールの表面上に請求項1~12のいずれか1項に記載の成形材料をレイダウンすること;
前記成形材料の反対側の表面に樹脂非含有(乾燥)繊維強化材の1つまたは複数の層を適用して、積層体をすること;
前記積層体に注入樹脂を注入すること;および
この注入済み積層体を硬化させること
を含む、方法。 - 前記成形材料が請求項1~11のいずれか1項の成形材料であり、前記成形材料の樹脂含有量が前記成形材料の重量に基づいて5~50重量%、好ましくは5~20重量%の範囲である、請求項14に記載の方法。
- 予備含浸された繊維強化材(プリプレグ)の少なくとも1つの層が、樹脂の注入前において前記積層体に内包される、請求項14または15に記載の方法。
- 前記プリプレグが、前記プリプレグの材料の重量に基づいて30~45重量%の範囲の樹脂含有量を有する、請求項16に記載の方法。
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| PCT/EP2020/076515 WO2021099010A1 (en) | 2019-11-20 | 2020-09-23 | Moulding material |
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| FR2843967B1 (fr) * | 2002-08-30 | 2004-11-26 | Hexcel Composites | Nouveaux produits composites et articles moules obtenus a partir desdits produits |
| JP2005336407A (ja) * | 2004-05-28 | 2005-12-08 | Toho Tenax Co Ltd | 表面平滑性に優れた複合材料 |
| GB0613834D0 (en) * | 2006-07-12 | 2006-08-23 | Hexcel Composites Ltd | Composite material assembly |
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| CN102958300B (zh) * | 2011-08-29 | 2017-02-08 | 深圳富泰宏精密工业有限公司 | 树脂与纤维的复合体及其制造方法 |
| EP2711170A1 (en) | 2012-09-19 | 2014-03-26 | Hexcel Holding GmbH | Improvements in or relating to fibre reinforced composites |
| GB2533629A (en) | 2014-12-23 | 2016-06-29 | Hexcel Composites Ltd | Moulding materials with improved surface finish |
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-
2019
- 2019-11-20 GB GBGB1916917.6A patent/GB201916917D0/en not_active Ceased
-
2020
- 2020-09-23 EP EP20780621.7A patent/EP4061630A1/en active Pending
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- 2020-09-23 CN CN202080080045.8A patent/CN114746266B/zh active Active
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- 2020-09-23 WO PCT/EP2020/076515 patent/WO2021099010A1/en not_active Ceased
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012002434A1 (ja) | 2010-07-01 | 2012-01-05 | 住友ベークライト株式会社 | プリプレグ、配線板および半導体装置 |
| WO2014147222A2 (en) | 2013-03-22 | 2014-09-25 | Hexcel Holding Gmbh | Improvements in or relating to fibre reinforced composites |
| US20180345603A1 (en) | 2015-11-26 | 2018-12-06 | Vestas Wind Systems A/S | Improvements relating to the manufacture of wind turbine blades |
| JP2017205977A (ja) | 2016-05-20 | 2017-11-24 | 日産自動車株式会社 | プリフォーム、該プリフォームの製造方法、及び上記プリフォームを用いた繊維強化プラスチック。 |
| JP2017218522A (ja) | 2016-06-08 | 2017-12-14 | 三菱ケミカル株式会社 | 積層体、繊維強化複合材料、および電子機器または電気機器の筐体 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114746266B (zh) | 2025-08-19 |
| KR20220102639A (ko) | 2022-07-20 |
| US20220388274A1 (en) | 2022-12-08 |
| BR112022009833A2 (pt) | 2022-08-02 |
| US12441081B2 (en) | 2025-10-14 |
| EP4061630A1 (en) | 2022-09-28 |
| GB201916917D0 (en) | 2020-01-01 |
| WO2021099010A1 (en) | 2021-05-27 |
| JP2023503436A (ja) | 2023-01-30 |
| MX2022006020A (es) | 2022-06-22 |
| CN114746266A (zh) | 2022-07-12 |
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