C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/17, 260/443.
C08G 77/38 (2006.01) C08G 77/48 (2006.01) C08G 77/50 (2006.01)
Patent
CA 2030958
A polydimethylsiloxane compound terminated at one end by a branched aminoalkyl group, having the average formula (see fig. I) wherein R1 and R4 are monovalent hydrocarbon groups having 1 to 20 carbon atoms, R2 and R3 are alkylene groups having at least two carbon atoms, Me is a methyl radical, m is an integer between 6 and 1,000 and n is an integer between zero and 6, is disclosed. The polydimethylsiloxane of the invention can be easily prepared by the method described and imparts improved surface properties, such as water repellency and slipperiness, to organic resins modified therewith.
Polydiméthylsiloxane terminé à une extrémité par un groupe aminoalkyle ramifié, de formule générale (voir fig. I), où R1 et R4 sont des groupes hydrocarbonés monovalents de 1 à 20 atomes de carbone, R2 et R3 sont des groupes alkylènes d'au moins deux carbones, Me est un radical méthyle, m est un entier de 6 à 1000 et n un entier de 0 à 6. Le polydiméthylsiloxane de l'invention peut être préparé facilement par la méthode décrite et améliore les propriétés en surface, comme la nature hydrofuge et la glissance de résines organiques traitées avec ce produit.
Dow Corning Toray Silicone Company Ltd.
Gowling Lafleur Henderson Llp
LandOfFree
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