Inorganic-organic hybrid-film-coated stainless steel foil

B - Operations – Transporting – 32 – B

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B32B 15/08 (2006.01) C23C 26/00 (2006.01)

Patent

CA 2520355

A stainless-steel foil with inorganic/organic hybrid film coating, characterized by comprising a stainless-steel foil base coated on one or both sides with an inorganic/organic hybrid film which has a skeleton having an inorganic three-dimensional network structure mainly comprising siloxane bonds and in which at least one of the crosslinking oxygen atoms of the skeleton has been replaced with an organic group and/or hydrogen atom. Also provided is a stainless-steel foil with inorganic/organic hybrid film coating which is a stainless-steel foil coated with two or more inorganic/organic hybrid films mainly comprising siloxane bonds, characterized in that at least part of the silicon atoms constituting each inorganic/organic hybrid film are chemically bonded to one or both of an organic group and hydrogen, provided that the uppermost layer of the inorganic/organic hybrid films may be an inorganic SiO2 film, and that any adjacent two of the inorganic/organic hybrid films (including the inorganic SiO2 film) differ in composition.

L'invention concerne une feuille en acier inoxydable pourvue d'un revêtement de film hybride inorganique/organique. Ladite feuille est caractérisée en qu'elle comprend une base de feuille en acier inoxydable recouverte sur un ou sur les deux côtés d'un film hybride inorganique/organique qui présente un squelette possédant une structure de réseau tridimensionnelle inorganique contenant principalement des liaisons de siloxane et dans lequel au moins un des atomes d'oxygène de réticulation du squelette peut être remplacé par un groupe organique et/ou un atome d'hydrogène. Cette invention a aussi trait à une feuille en acier inoxydable pourvue d'un revêtement de film hybride inorganique/organique qui est une feuille en acier inoxydable recouverte d'au moins deux films hybrides inorganiques/organiques renfermant principalement des liaisons de siloxane. Ladite feuille est caractérisée en ce qu'au moins une partie des atomes de silicium constituant chaque film hybride inorganique/organique est liée chimiquement à un groupe organique et/ou à l'hydrogène, à condition que la couche supérieure des films inorganiques/organiques hybrides peuvent constituer un film inorganique SiO¿2? et que n'importe lesquels des deux films adjacents des films hybrides inorganiques/organiques (comprenant le film inorganique SiO¿2?) différent de composition.

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