Henkel Kommanditgesellschaft Auf Aktien

Annabelle Guilleux

Guenter Henke

Kamil Kalus

Binding agents having barrier properties are provided which contain: a) a compound having at least one NCO group and at least one reactive functional group, which can be cured by radiation and which serves as component (A), and; b) a silicon-organic compound serving as component (B) with at least one NCO group and at least one functional group of formula (I): &#x2014;Si(Z)(X), in which Z represents C-Calkyl group, preferably C-Calkyl group; X represents &#x2014;NH; &#x2014;NH&#x2014;CO&#x2014;R; &#x2014;OOC&#x2014;R; &#x2014;O&#x2014;N&#x2550;C(R)or OR'; R represents a linear or branched, saturated or unsaturated C-Calkyl radical; R&#x2032; represents R, an oxyalkylene radical having up to 4 carbon atoms, a C-Ccycloalkyl radical; a C-Caryl radical or a C7-Caralkyl radical; and n equals 0, 1 or 2. The binding agent can be used as a radiation curable binding agent in coating agents, fillers, sealants or adhesives, for example in the preparation of laminated films having barrier properties.

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Duesseldorf, Germany

Annabelle Guilleux