BAKING FOIL

摘要

A baking foil comprises a sheet of aluminium coated with a release layer of a fluorosilane compound to function as a baking product release agent. The release layer is bonded to the naturally formed oxide layer on the surface of the sheet, and is formed by curing on the sheet a bifunctional silane compound having at least one functional group capable of bonding to the oxide layer and at least one fluoroalkyl chain capable of forming, after curing, a low energy surface on the foil. The release agent is non-toxic, relatively inert and thermally stable up to about 260 DEG C. A method of producing this foil comprises applying a layer of the fluorosilane compound onto a surface of the sheet, and curing the compound so as to bond the cured compound to the oxide layer on that surface. Optionally, the surface is cleaned beforehand by means of a corona discharge.