Powder coating compositions
OwnerRobin Gibson, Alexis Toftinventors
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Abstract
A powder coating composition comprises a mixture, in particulate form, of a zeolite and an organic resin, said zeolite containing less than 9 percent water by weight as determined by heating at 800° C. for 1 hour. The zeolite can act as an extender for titanium dioxide in systems containing the latter.
Claims14
The use in a powder coating composition comprising a mixture, in particulate form, of titanium dioxide and an organic resin, of a zeolite as an extender for the titanium dioxide, said zeolite containing less than 9 percent water by weight as determined by heating at 800° C. for 1 hour.
A powder coating composition comprising a mixture, in particulate form, of a zeolite and an organic resin, said resin being a plasticised poly(vinyl chloride), a polyamide, poly(vinylidene fluoride), an epoxy resin, a polyester resin, a hybrid epoxy-polyester resin, a urethane resin or an acrylic resin and said zeolite containing less than 9 percent water by weight as determined by heating 800° C. for 1 hour.
A method of preparing a powder coating composition comprising forming an intimate mixture of an organic resin and a zeolite, said resin being a plasticised poly(vinyl chloride), a polyamide, poly(vinylidene fluoride), an epoxy resin, a polyester resin, a hybrid epoxy-polyester resin, a urethane resin or an acrylic resin and said zeolite contains less than 9 percent water by weight as determined by heating at 800° C. for 1 hour.
Dependencies are inferred from the claim text.