MA49867A1 - Mousses à base de particules de pesu destinées à des utilisations à l'intérieur d'aéronefs - Google Patents

Mousses à base de particules de pesu destinées à des utilisations à l'intérieur d'aéronefs

Info

Publication number
MA49867A1
MA49867A1 MA49867A MA49867A MA49867A1 MA 49867 A1 MA49867 A1 MA 49867A1 MA 49867 A MA49867 A MA 49867A MA 49867 A MA49867 A MA 49867A MA 49867 A1 MA49867 A1 MA 49867A1
Authority
MA
Morocco
Prior art keywords
pesu
further processing
economically
foam
particles
Prior art date
Application number
MA49867A
Other languages
English (en)
Inventor
Christian Trassl
Denis Holleyn
Kay Bernhard
Original Assignee
Evonik Operations Gmbh
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 Evonik Operations Gmbh filed Critical Evonik Operations Gmbh
Publication of MA49867A1 publication Critical patent/MA49867A1/fr

Links

Classifications

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/18—Binary blends of expanding agents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2207/00—Foams characterised by their intended use
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2381/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
    • C08J2381/06—Polysulfones; Polyethersulfones

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

Les mousses à base de polyéthersulfone (pesu) répondent aux spécifications légales exigées par l'industrie aéronautique pour l'intérieur des aéronefs. En particulier, les exigences concernant le comportement au feu, la résistance aux agents et la mécanique représentent un enjeu important. Selon l'état de la technique, les mousses polymères appropriées sont préparées sous forme de produits semi-finis. Le traitement ultérieur en pièces façonnées n'est pas rentable d'un point de vue économique en ce qui concerne le temps et l'exploitation du matériau, par exemple par les quantités importantes de déchets de découpe. L'invention résout ce problème en ce que le matériau en principe approprié peut être transformé en pièces façonnées en mousse particulaire. Ces pièces façonnées peuvent être fabriquées sans traitement ultérieur en des temps de cycle courts et donc de manière économiquement rentable en outre, on obtient ainsi de nouvelles possibilités d'intégration de fonctions, comme par exemple l'incorporation directe d'inserts dans la mousse, etc., et en ce qui concerne la liberté de conception.
MA49867A 2017-11-27 2018-11-19 Mousses à base de particules de pesu destinées à des utilisations à l'intérieur d'aéronefs MA49867A1 (fr)

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CA3083397A1 (fr) 2017-11-27 2019-05-31 Evonik Operations Gmbh Mousse haute temperature presentant une absorption reduite de resine pour la fabrication de materiaux en sandwich
EP3889212A1 (fr) * 2020-04-03 2021-10-06 Evonik Operations GmbH Mousses particulaires pei ou pei-peek pour applications dans le domaine de la construction légère
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US20210095092A1 (en) 2021-04-01
BR112020010372A2 (pt) 2020-10-20
IL274859A (en) 2020-07-30
WO2019101667A1 (fr) 2019-05-31
JP2021504523A (ja) 2021-02-15
ZA202003832B (en) 2022-03-30
AU2018371107A1 (en) 2020-07-09
KR20200084898A (ko) 2020-07-13
CA3083553A1 (fr) 2019-05-31
CN111406091A (zh) 2020-07-10
MX2020005297A (es) 2020-08-13
TW201925295A (zh) 2019-07-01
EP3717553A1 (fr) 2020-10-07

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