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US 8,025,928 B2Granted
Process for forming fluoropolymer coated film
AssigneeE. I. Du Pont de Nemours and Company
InventorLarry Glen Snow
Life of this patent
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Abstract
A process for forming a multilayer film includes coating a polymeric substrate film with a liquid fluoropolymer coating. The liquid fluoropolymer coating includes a fluoropolymer, solvent, a compatible cross-linkable adhesive polymer, and a cross-linking agent. The process further includes cross-linking the compatible cross-linkable adhesive polymer to form a cross-linked polymer network in the fluoropolymer coating, removing the solvent from the fluoropolymer coating, and adhering the fluoropolymer coating to the polymeric substrate film.
Claims15
A process for forming a multilayer film comprising:
- coating a polymeric substrate film with a liquid fluoropolymer coating, wherein the liquid fluoropolymer coating comprises:
- a fluoropolymer selected from the group consisting of homopolymers and copolymers of vinyl fluoride;
- solvent;
- a compatible cross-linkable adhesive polymer;
- and
- a cross-linking agent;
- cross-linking the compatible cross-linkable adhesive polymer to form a cross-linked polymer network in the fluoropolymer coating;
- removing the solvent from the fluoropolymer coating;
- and
- adhering the fluoropolymer coating to the polymeric substrate film.
7 more elements
Dependencies are inferred from the claim text.