C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 7/08 (2006.01) C08G 77/04 (2006.01) C08G 77/38 (2006.01)
Patent
CA 2061107
An organopeutasiloxane having the formula A-R1-SiMe2(OSiMe2)3OSiR2(3~n )(OR2)n wherein Me denotes a methyl radical; A is a group selected from the group consisting of methacryloxy, glycidoxy and amino; R1 is a divalent organic group selected from the group consisting of all alkylene group having at least 2 carbon atoms and an alkyleneoxyalkylene group; R2 is independently selected from monovalent hydrocarbon groups free of aliphatically unsaturated bonds; and n is an integer having a value of 1 to 3, and methods for the preparation thereof, are disclosed.
Organopentasiloxane de formule A-R1-SiMe2(OSiMe2)3OSiR2(3~n )(OR2)n, où Me désigne un radical méthyle; A est un groupe méthacryloxy, glycidoxy ou amino; R1 est un groupe organique divalent choisi parmi un alkylène d'au moins 2 atomes de carbone et un alkylèneoxyalkylène; R2 est choisi indépendamment parmi des groupes hydrocarbonés monovalents, exempts de liaisons aliphatiques insaturées; n est un entier possédant une valeur de 1 à 3; méthodes pour préparer ce composé.
Dow Corning Toray Silicone Company Ltd.
Gowling Lafleur Henderson Llp
LandOfFree
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