B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
117/144, 117/153
B32B 15/08 (2006.01) A47J 36/04 (2006.01) B05D 5/08 (2006.01) B05D 7/16 (2006.01) C08L 27/18 (2006.01) B05D 7/00 (2006.01)
Patent
CA 1179217
FF-7597 TITLE Article Coated with Fluoropolymer Finish with Improved Durability ABSTRACT OF THE DISCLOSURE Articles coated with multilayers of a compo- sition of polytetrafluoroethylene plus a specified pro- portion of copolymers of perfluorinated polyvinyl ether and tetrafluoroethylene, to which is optionally added a heat stable polymer with a glass-transition temperature greater than or equal to 130°C, are found to have im- proved durability. The proportion of the copolymer in each layer varies such that there is a maximum amount in the bottom layer with decreasing proportions in the other layer or layers.
393941
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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