Coating compositions employing zinc antimonate anhydride particl

Details Coating compositions employing zinc antimonate anhydride particl Coating compositions employing zinc antimonate anhydride particl

1997-09-29

1999-05-25

Lovering, Richard D.

Compositions: coating or plastic

Coating or plastic compositions

Inorganic materials only containing at least one metal atom

252609, 524410, 524783, 524911, 516 91, C09D 100, C09D 518, C08K 310, C09K 2100

Patent

active

059066792

ABSTRACT:
The invention relates to coating compositions employing zinc antimonate anhydride comprising zinc antimonate anhydride particles and a liquid of a part-hydrolyzed silane coupling agent, a liquid of hydrolyzed ethylsilicate, a liquid of hydrolyzed methylsilicate, or a resin emulsion. The zinc antimonate anhydride particle having a ZnO/Sb.sub.2 O.sub.5 molar ratio in a range of from 0.8 to 1.2, a crystal structure of zinc antimonate anhydride (Zn Sb.sub.2 0.sub.5), and a primary particle size in a range of from 5 to 500 nm. The particle production method comprises the steps of mixing a zinc compound with a colloidal antimony oxide at a ZnO/Sb.sub.2 O.sub.5 molar rate in a range of from 0.8 to 1.2, followed by calcining the mixture within a temperature range of from 500 to 1100.degree. C. The particles are applicable as a flame retardant for plastics, a smoke suppressant, antistatic agent for plastics and glasses, and resistor.

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