C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 11/06 (2006.01) C08J 11/00 (2006.01) C09D 127/06 (2006.01) C09K 3/10 (2006.01)
Patent
CA 2074576
Abstract of the Disclosure A method for making a filler from automotive paint sludge is provided. Paint sludge containing water, solvent and uncured polymer resin is treated by removing a first portion of the water by mechanically drying the sludge to produce a concentrated sludge, and a second portion of the water is removed by treating the sludge with a chemical drying agent to produce a dried powder. Alternatively, the second portion of the water may be removed by agitating the concentrated sludge under a vacuum to produce a dehydrated putty. The resulting dried powder or putty can then be used as a filler in sealants and other products.
Gerace Janet M.
Gerace Michael J.
Aster Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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