C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 83/04 (2006.01) C08K 3/36 (2006.01) C08K 9/06 (2006.01)
Patent
CA 2477945
A hydrosilylation reaction curable composition including a silsesquioxane polymer, a cross-linking compound, a hydrosilylation reaction catalyst and colloidal silica having a surface coating formed thereon. The curable composition is cured to form a cured resin having high fracture toughness and strength without the loss of elastic modulus and glass transition temperature.
La présente invention concerne des compositions durcissables par réaction d'hydrosilylation et comprenant un polymère de silsesquioxane, un composé réticulant, un catalyseur de la réaction d'hydrosilylation, et une silice colloïdale garnie en surface d'un revêtement. La composition durcissable est durcie pour former une résine durcie à solidité et résistance élevée à la fracture, sans perte de module élastique ni de température de transition vitreuse.
Bergstrom Debora F.
Katsoulis Dimitris E.
Keryk John R.
Kwan Kermit S.
Li Zhongtao
Dow Corning Corporation
Massachusetts Institute Of Technology
Norton Rose Canada S.e.n.c.r.l.,s.r.l./llp
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