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
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France
Prior art keywords
thermoplastic polymer
reactive thermoplastic
porous
reactive
porous layer
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Active
Application number
FR2111188A
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English (en)
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FR3128398A1 (fr
Inventor
Thibaut Benethuiliere
Andréa Viard
Quentin Pineau
Patrick Dang
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Hexcel Fabrics SA
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Hexcel Fabrics SA
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Publication date
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Priority to FR2111188A priority Critical patent/FR3128398B1/fr
Priority to PCT/FR2022/051976 priority patent/WO2023067282A1/fr
Publication of FR3128398A1 publication Critical patent/FR3128398A1/fr
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Publication of FR3128398B1 publication Critical patent/FR3128398B1/fr
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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

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