Polyvinylidene fluoride coating for metal substrates

Details Polyvinylidene fluoride coating for metal substrates Polyvinylidene fluoride coating for metal substrates

2005-01-21

2008-07-15

Zacharia, Ramsey (Department: 1794)

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

C428S035800, C428S036910, C428S413000, C428S418000, C428S421000, C428S522000, C525S108000, C525S121000

Reexamination Certificate

active

07399533

ABSTRACT:
The invention relates to a one-step fluoropolymer, especially polyvinylidene fluoride (PVDF), coating for use on metals, especially use on metal fuel line and brake tubes, etc, to provide a protective barrier with superior chemical resistance, impact resistance and heat resistance as well as good flexibility. The coating composition contains, on a resin solids basis, 75-94 percent polyvinylidene fluoride resin, 5-20 percent acrylic resin, and 1-15 percent polyepoxide resin. The coating has excellent adhesion on metal substrates, particularly on non-pretreated galvanized steel, without the need for a primer coating.

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