Amino-modified urethaneacrylates
AssigneeBASF SE
InventorsWolfgang Reich, Erich Beck, Edmund Keil, Ulrich Jager, Matthias Lokai, Werner Fries, Eberhard Ambach
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Abstract
Urethane(meth)acrylates are obtainable by a) reacting polyether(meth)acrylates or polyester(meth)acrylates, which may also have at least one free hydroxyl group, with primary or secondary amino compounds which have at least one hydroxyl group, so that from 0.5 to 60 mol % of the (meth)acrylate groups are present in the form of Michael adducts with the amino compounds, and b) subsequently reacting the product obtained in a) with isocyanates.
Claims12
A urethane(meth)acrylate prepared by reacting polyether(meth)acrylates, polyester(meth)acrylates or epoxy(meth)acrylates, which have at least one free hydroxyl group and in which from 0.5 to 60 mol % of the (meth)acrylate groups are present in the form of a Michael adduct with primary or secondary amines, with isocyanates.
Dependencies are inferred from the claim text.