Patent · US Active

Method for manufacturing a part made of composite material using an adhesion promoter comprising a Lewis acid or a Lewis complex

US11746065B2 · kind B2 · utility

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1References
9Claims
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Key dates

Filing dateJun 2, 2021
Grant dateSep 5, 2023
Priority date
Expiry dateJun 2, 2041

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2235/65
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A method for manufacturing a part made of composite material in which an adhesion promoter is grafted to a coating present on the fibre surface as well as to a ceramic precursor resin. Afterwards, a ceramic matrix phase is formed in the porosity of the fibre preform by pyrolysis of the polymerised resin.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.