C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 83/07 (2006.01) C08J 3/12 (2006.01)
Patent
CA 2082483
Storage stable and gel-free organosiloxane compositions in the form of flowable powders are prepared by blending a high consistency polydiorganosiloxane into a quantity of fluidized reinforcing filler that is heated to a temperature of from 100 to 200°C. prior to or immediately following introduction of the polydiorganosiloxane. When silica is the reinforcing filler, the filler is typically treated with an anti-creping agent either prior to or during this blending process. The resultant mixture is heated while being subjected to shearing forces that reduce its average particle size to achieve a flowable powder.
Bilgrien Carl J.
Lee Chi-Long
Mullan Steven P.
Reese Herschel H.
Bilgrien Carl J.
Dow Corning Corporation
Gowling Lafleur Henderson Llp
Lee Chi-Long
Mullan Steven P.
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