Schering Aktiengesellschaft

Hermann-Josef Lucas

Bernd Brinkmann

Christian Burba

Bernd Neffgen

Coating, sealing and adhesive compositions which are shelf-stable under the exclusion of moisture are produced from polyether urethanes containing prepolymeric NCO groups and alkoxysilanes having amino or mercapto groups and .gtoreq.2 ether oxygen atoms in at least one alkoxy residue.

Synthetic resin compositions shelf-stable under exclusion of moisture

Elastic synthetic-resin compositions useful as adhesive and sealing compounds, for example, for absorbent and nonabsorbent undercoats on surfaces, are based, in particular, on polyurethane and have incorporated therein as adhesion promoters silanes containing polyoxyalkyl groups of the formula ##STR1## wherein X is --SH, --NHR.sup.2, ##STR2## or --(NH--CH.sub.2 --CH.sub.2).sub.b NHR.sup.2, b is 1 or 2,

Elastic synthetic-resin compositions with improved adhesion containing a

The method of hardening a glycidyl compound with a polyether urethane urea amino hardener is disclosed, said hardener being prepared by reacting (1) a blocked prepolymer prepared by reacting a phenolic compound with the reaction product of a polyether polyol with an excess of polyisocyanate, with (2) a polyfunctional amino compound.

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Ascheberg-Herbern, Germany

Hermann-Josef Lucas