C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 83/08 (2006.01) C08J 3/20 (2006.01) C08L 83/04 (2006.01)
Patent
CA 2172916
A method for the preparation of one-package room-temperature- curable silicone compositions that do not slump prior to their cure, do not crack or fissure during their cure even when deformed by an external force, and do not yellow where an example of the room-temperature- curable silicone compositions is (a) hydroxyl-terminated diorganopolysiloxane, (b) oxime-functional organosilicon compound, and (c) inorganic filler according to the following four steps: step (1) in which 20 to 70 weight% of the total amount of component (a) is mixed with methyltris(methyl ethyl ketoximo)silane, step (2) in which component (c) is added and mixed into the mixture prepared in step (1), step (3) in which 30 to 80 weight% of the total amount of component (a) is mixed with vinyltris(methyl ethyl ketoximo)- silane, step (4) in which the mixture prepared in step (3) is mixed with the mixture prepared in step (2).
Adachi Hiroshi
Saruyama Toshio
Sugiyama Shigeki
Toyoda Itsuo
Dow Corning Toray Silicone Company Ltd.
Gowling Lafleur Henderson Llp
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