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FR3128398B1 - Matériau de renfort comprenant une couche poreuse en un polymère thermoplastique réactif et procédés associés - Google Patents

Matériau de renfort comprenant une couche poreuse en un polymère thermoplastique réactif et procédés associés Download PDF

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Publication number
FR3128398B1
FR3128398B1 FR2111188A FR2111188A FR3128398B1 FR 3128398 B1 FR3128398 B1 FR 3128398B1 FR 2111188 A FR2111188 A FR 2111188A FR 2111188 A FR2111188 A FR 2111188A FR 3128398 B1 FR3128398 B1 FR 3128398B1
Authority
FR
France
Prior art keywords
thermoplastic polymer
reactive thermoplastic
porous
reactive
porous layer
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
Application number
FR2111188A
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English (en)
Other versions
FR3128398A1 (fr
Inventor
Thibaut Benethuiliere
Andréa Viard
Quentin Pineau
Patrick Dang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hexcel Fabrics SA
Original Assignee
Hexcel Fabrics SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hexcel Fabrics SA filed Critical Hexcel Fabrics SA
Priority to FR2111188A priority Critical patent/FR3128398B1/fr
Priority to PCT/FR2022/051976 priority patent/WO2023067282A1/fr
Priority to EP22835459.3A priority patent/EP4419315A1/fr
Priority to JP2024523801A priority patent/JP2024539903A/ja
Publication of FR3128398A1 publication Critical patent/FR3128398A1/fr
Application granted granted Critical
Publication of FR3128398B1 publication Critical patent/FR3128398B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

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    • B29C37/0082—Mechanical anchoring
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    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
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    • 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
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    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
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    • B32B2266/00—Composition of foam
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    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B2305/00—Condition, form or state of the layers or laminate
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    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/026—Porous
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/02—Reinforcing materials; Prepregs

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)

Abstract

Matériau de renfort comprenant une couche poreuse en un polymère thermoplastique réactif et procédés associés Contenu de l’abrégé. La présente invention concerne un matériau de renfort comprenant au moins un renfort fibreux associé sur au moins une de ses faces à une couche poreuse thermoplastique, la ou lesdite(s) couche(s) poreuse(s) thermoplastique(s) représentant au plus 10% de la masse totale du matériau de renfort, de préférence de 0,5 à 10% de la masse totale du matériau de renfort, et préférentiellement de 2 à 6% de la masse totale du matériau de renfort caractérisé en ce que ladite couche poreuse thermoplastique ou chacune desdites couches poreuses thermoplastiques présentes comprend un polymère thermoplastique dit réactif ou est constituée d’un ou plusieurs polymères thermoplastiques réactifs, un polymère thermoplastique réactif étant porteur de fonctions –NH2 en quantité supérieure à 0,15 meq/g de polymère thermoplastique réactif et/ou porteur de fonctions –COOH en quantité supérieure à 0,20 meq/g de polymère thermoplastique réactif. L’invention concerne également les procédés de fabrication de tels matériaux de renfort, les préformes, procédés de fabrication de pièces composites et pièces composites utilisant de tels matériaux de renfort. Figure pour l’abrégé : néant.
FR2111188A 2021-10-21 2021-10-21 Matériau de renfort comprenant une couche poreuse en un polymère thermoplastique réactif et procédés associés Active FR3128398B1 (fr)

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FR2111188A FR3128398B1 (fr) 2021-10-21 2021-10-21 Matériau de renfort comprenant une couche poreuse en un polymère thermoplastique réactif et procédés associés
PCT/FR2022/051976 WO2023067282A1 (fr) 2021-10-21 2022-10-20 Materiau de renfort comprenant une couche poreuse en un polymere thermoplastique reactif et procedes associes
EP22835459.3A EP4419315A1 (fr) 2021-10-21 2022-10-20 Matériau de renfort comprenant une couche poreuse en un polymère thermoplastique réactif et procédés associés
JP2024523801A JP2024539903A (ja) 2021-10-21 2022-10-20 反応性熱可塑性ポリマーで作製された多孔質層を含む強化材及び関連する方法

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FR2111188A FR3128398B1 (fr) 2021-10-21 2021-10-21 Matériau de renfort comprenant une couche poreuse en un polymère thermoplastique réactif et procédés associés

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