CS229859B1 - Photo- or radiation-chemical cured mixture - Google Patents

Abstract

The invention is most advantageously useful in the preparation of coating layers, adhesives, admixtures, compositions which cure by photo- or radiation-chemical methods. The object of the invention is to improve the light fastness of the compositions. Accordingly, the oligourethane acrylate composition comprises oligourethanacrylate with 0.5 to 10% urea groups at the following ratio by weight: oligourethanacrylate 3 O 5 to 10% urea groups - 5 to 9θ; ethylenically unsaturated monomer solvent 50-70.

Description

(54) Photo- or radiation-chemically cured mixture

The invention is most advantageously applicable in the preparation of coating layers, glues, adhesives, mixtures that are cured by photo- or radiation-chemical methods.

The aim of the invention is to improve the light stability of the mixtures.

Therefore, the mixture as oligourethane acrylate contains oligourethane acrylate with 0.5 to 10% urea groups at the following ratio of components (parts by weight): oligourethane acrylate 3 Oj 5 to 10% urea groups - 5θ to 9θ; ethylenically unsaturated monomer-solvent - 50 to 70.

229,859

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Claims (1)

Object of the invention A photo- or radiation-cured composition with enhanced light fastness comprising oligourethane acrylate and ethylenically unsaturated monomer-solvent, characterized in that it contains JO-90 parts by weight of oligourethane acrylate with 0.1 to 10% urea groups and JO up to 70 parts by weight ethylenically unsaturated monomer-solvent. Recognized by the invention based on the results of expertise carried out by the State Committee for Inventions and Discoveries of the SSSP, Moscow, (SU)