Process for the production of hollow bodies of thermoplastic...

Details Process for the production of hollow bodies of thermoplastic... Process for the production of hollow bodies of thermoplastic...

C - Chemistry, Metallurgy

08

J

C08J 7/12 (2006.01) B29C 49/04 (2006.01) B29C 49/22 (2006.01) B29C 49/46 (2006.01) B29D 22/00 (2006.01)

Patent

CA 2117142

In a process for the production of hollow bodies of thermoplastic material whose wall comprises a laminate, at least one of the layers of the laminate being a barrier layer to influence the permeation properties of the wall and at least one further layer being provided at the inward side of the at least one barrier layer, the inward surface of the wall is treated with a fluorine-bearing gas mixture or provided with a polymer cover layer by means of plasma polymerisation in order in that way to influence the permeation properties of the inner laminate layer or the surface thereof in relation to at least one component of the filling material which in use is contained in the hollow body.

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