C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 7/21 (2006.01) C08K 5/5415 (2006.01) C08L 23/00 (2006.01) C09D 7/06 (2006.01)
Patent
CA 2513002
The invention relates to a method for producing fully condensed oligomer silasesquioxanes of formula R1aR2bR3cR4dR5eR6fR7gR8hSi8O12 wherein R1, R2, R3, R4, R5, R6, R7, R8 represent substituted or unsubstituted alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkinyl, cycloalkinyl, aryl, heteroaryl radicals or hydrogen which are the same or different, and a + b + c + d + e + f + g + h = 8, said compounds having the structure (1). The invention also relates to the use of said compounds for the synthesis of partially condensed silasesquioxanes, functionalised silasesquioxanes, catalysts, and the parent compounds thereof, and for the synthesis and modification of polymers.
L'invention concerne un procédé de fabrication de silasesquioxanes oligomères entièrement condensés, de formule R?1¿¿a?R?2¿¿b?R?3¿¿c?R?4¿¿d?R?5¿¿e?R?6¿¿f?R?7¿¿g?R?8¿¿h?Si?8¿O¿12?; R?1¿, R?2¿, R?3¿, R?4¿, R?5¿, R?6¿, R?7¿, et R?8 ¿étant des restes alkyle, cycloalkyle, alcényle, cycloalcényle, alkinyle, cycloalkinyle, aryle ou hétéroaryle ou hydrogène, identiques ou non, substitués ou non, et a + b + c + d + e + f + g + h = 8, lesdits composés présentant la structure (1). L'invention concerne également l'utilisation desdits composés dans la synthèse de silasesquioxanes partiellement condensés, de silasesquioxanes fonctionnalisés, de catalyseurs et de leurs composés de départ, et dans la synthèse et la modification de polymères.
Abbenhuis Hendrikus Cornelius Louis
Jost Carsten
Kuhnle Adolf
Degussa Ag
Marks & Clerk
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