Fluoropolymer film having glass microspheres

Details Fluoropolymer film having glass microspheres Fluoropolymer film having glass microspheres

C - Chemistry, Metallurgy

08

J

C08J 5/18 (2006.01) C08K 7/28 (2006.01)

Patent

CA 2612203

The invention provides a film of fluoropolymer having glass microspheres dispersed in said fluoropolymer. The addition of glass microspheres to the fluoropolymer can overcome the behaviour of the fluoropolymer to stick to itself in a stack or when wound on itself in a roll. Hence an additional intermediate sheet or like material is not needed. Additionally, it has been found that the glass microspheres can be used during normal manufacturing of fluoropolymer films by melt-extrusion and moreover, films can be obtained in which other desired properties of the fluoropolymer are not adversely affected or any adverse effects are minimal.

La présente invention concerne un film du fluoropolymère ayant des microsphères de verre dispersées dans celui-ci. L'addition de microsphères de verre au fluoropolymère peut effacer le comportement du fluoropolymère à être autocollant sous la forme d~un empilement ou lorsqu~il est enroulé sur lui-même sous la forme d~un rouleau. Par conséquent une feuille intermédiaire supplémentaire ou un matériau analogue n~est pas nécessaire. En outre, on a constaté que les microsphères de verre peuvent être utilisées lors de la fabrication classique des films de fluoropolymère par une extrusion à l~état fondu et de plus, on peut obtenir des films dans lesquels d'autres propriétés souhaitées du fluoropolymère ne sont pas compromises ou tout effet nuisible quelconque est minimal.

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