B - Operations – Transporting – 22 – F
Patent
B - Operations, Transporting
22
F
B22F 9/04 (2006.01) B22F 1/00 (2006.01)
Patent
CA 2499909
A method for the production of zinc flake from zinc particles which comprises dry milling said zinc particles using a mixture of a fluorocarbon lubricant and a stearate lubricant, optionally in admixture with a hydrophobic inorganic powder. A preferred fluorocarbon is PTFE and a preferred stearate lithium stearate. If desired the zinc dust used may be in the form of an alloy or mixture with nickel.
L'invention concerne un procédé d'obtention d'un flocon en zinc à partir de particules de zinc consistant à sécher à sec lesdites particules de zinc à l'aide d'un mélange de lubrifiant de fluorocarbone et un lubrifiant de stéarate, éventuellement mélangés à une poudre inorganique hydrophobe. Le fluorocarbone est de préférence un PTFE et on choisit de préférence un stéarate de lithium de stéarate. Si nécessaire, la poussière de zinc utilisée peut présenter la forme d'un alliage ou d'un mélange avec du nickel.
Marks & Clerk
Savin Ronald R.
LandOfFree
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