A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
400/5102, 400/53
A61K 6/10 (2006.01)
Patent
CA 2002807
A polyether-impression material comprising components (a) a polyether, which has at least two optionally substituted vinyl- and/or allyl-end groups, (b) an SiH component, (c) a platinum catalyst, and optionally (d) the usual additives characterized in that the SiH-component (b) can be obtained by the reaction of an at least bi-functional allyl- or vinyl-hydrocarnon compound, the hydrocarbon radical of which, without taking account of the allyl- or vinyl-groups and the optionally present alkylene ether groups, has 6 to 30 C-atoms and contains at least one aromatically unsaturated, heterocyclic, or cycloaliphatic ring, with at least one mole per vinyl- or allyl-group of an at least bi-functional SiH-compound of the formula: Image 24 or Image in which e = 0 to 8, g = 0 to 8, h =0 to 4 and R4 to R10 are the same or different, and are each H, methyl or : ethyl, with the proviso that at least 1 and at the most 5 of R4 to R10 are H, wherein g and h cannot simultaneously be O, and wherein at least the components (b) and (c) lie spatially separated from each other.
Ellrich Klaus
Gasser Oswald
Guggenberger Rainer
Jochum Peter
Lechner Gunther
3m Espe Ag
Fetherstonhaugh & Co.
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