One-component, storage-stable, uv-crosslinkable organosiloxane composition

Abstract

The invention relates to the use as a coating or impregnating agent of an organosiloxane composition comprising a) 20 to 98.999989 wt % of at least one polyorganosiloxane comprising at least two alkenyl or alkynyl groups, as component A; b) 0.1 to 30 wt % of at least one linear or branched polyorganosiloxane comprising at least 3 Si—H groups, as component B; c) 0.000001 to 1 wt % of at least one UV-activatable, platinum-containing hydrosilylation catalyst, as component C; d) 0.00001 to 5 wt % of at least one alkynol of the general formula (I), where R, Rand Rindependently of one another are selected from H, C-Calkyl and C-Ccycloalkyl; or Ris selected from H, C-Calkyl and C-Ccycloalkyl, and Rand Rare connected to one another and form a 3- to 8-membered ring, as component D; e) 0 to 79.899989 wt % of one or more polyorganosiloxanes comprising two terminal Si—H groups or one terminal Si—H group and one terminal alkenyl group, as component E; f) 0 to 20 wt % of one or more epoxy organosiloxanes, as component F; g) 0 to 5 wt % of one or more organosiloxanes, different from component A and having 1 to 5 Si atoms, and comprising at least two alkenyl groups, as component G; h) 0 to 79.899989 wt % of one or more silsesquioxanes, as component H; and i) 0 to 75 wt % of one or more additives, as component I; where the sum of components A to I is 100 wt %.