Rhodium complexes as catalysts for hydrosilylation crosslinking of silicone rubber

Marta Heidingsfeldová,

Marta Heidingsfeldová

Institute of Chemical Technology, 166 28 Prague 6, Czechoslovakia

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Martin Čapka,

Martin Čapka

Institute of Chemical Process Fundamentals, Czechoslovak Academy of Sciences, 165 02 Prague 6, Czechoslovakia

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Marta Heidingsfeldová,

Marta Heidingsfeldová

Institute of Chemical Technology, 166 28 Prague 6, Czechoslovakia

Search for more papers by this author

Martin Čapka,

Martin Čapka

Institute of Chemical Process Fundamentals, Czechoslovak Academy of Sciences, 165 02 Prague 6, Czechoslovakia

Search for more papers by this author

First published: May 1985

https://doi.org/10.1002/app.1985.070300505

Citations: 21

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Abstract

Vulcanization of silicon rubber compound based on polysiloxanes containing vinyl and Si–H groups catalyzed by [RhCl(CO)₂]₂, [RhCl(C₂H₄)₂]₂, [RhCl(1,5-COD)]₂, [RhCl(NBD)]₂, RhCl[P(C₆H₅)₃]₃, and Rh(acac)₃ (1,5-COD = 1,5-cyklooktadiene, NBD = norbornadiene, acac = acetylacetonate) has been studied in dependence on the catalyst, solvent, and reaction conditions. The course of vulcanization as well as the crosslinking density of the vulcanizate and the content of sol indicate that the above catalysts are comparable to and in some cases even better than the widely used hexachloroplatinic acid.

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Volume30, Issue5

May 1985

Pages 1837-1846

Rhodium complexes as catalysts for hydrosilylation crosslinking of silicone rubber

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Rhodium complexes as catalysts for hydrosilylation crosslinking of silicone rubber

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