C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 7/08 (2006.01) C07F 7/10 (2006.01) C07F 7/21 (2006.01) C08G 77/04 (2006.01) C08G 77/24 (2006.01) C08G 77/46 (2006.01)
Patent
CA 2342153
Compositions of unstrained perfluorinated organo substituted cyclosiloxanes of formula (I) wherein m is an integer of 1 to 12; n is an integer of 1 to 4; X is a divalent radical which may include O, NH, N(CH3), OC(O), NHC(O), N(CH3)C(O)CH2; and RF is a perfluorinated straight chain or branched chain monovalent alkyl radical of 1 to 25 carbon atoms; or RF is a perfluorinated ether radical of general formula (II) wherein p is an integer of 1 to 10 are described, along with copolymer compositions prepared from these cyclopolysiloxanes and from mixtures of these cyclosiloxanes and other siloxanes.
Compositions de cyclosiloxanes à substitution organo, perfluorés et exempts de tension de formule (I) dans laquelle m est un nombre entier de 1 à 12, n est un nombre entier de 1 à 4, X est un radical bivalent qui peut représenter O, NH, N(CH¿3?), OC(O), NHC(O), N(CH¿3?)C(O)CH¿2?, et R?F¿ est un radical alkyle monovalent perfluoré à chaîne droite ou à chaîne ramifiée ayant 1 à 25 atomes de carbone, ou bien R?F¿ est un radical éther perfluoré de formule générale (II) dans laquelle p est un nombre entier de 1 à 10. La présente invention concerne également des compositions polymères préparées à partir de ces cyclopolysiloxanes et de mélanges de ces cyclosiloxanes avec d'autres siloxanes.
Buese Mark A.
Shaffer John Scott
Clariant Life Science Molecules (florida) Inc.
Kirby Eades Gale Baker
LandOfFree
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