Patent ID: 9617390
Date: 2017-04-11
CPC Classifications: C08G,C08K,C08L,C09D

Claim:
1. A process for preparing binders, based on an alkoxy- and/or silanol-functional polysiloxane A), one or more dicarboxylic or polycarboxylic acids B), one or more di- or polyols C), one or more di- or polyisocyanates and one or more aminosilanes D1) or one or more isocyanatosilanes D2), the constituents A) to D1) or D2) being present condensed with one another in the binder, comprising the following steps: where in a first step an alkoxy- and/or silanol-functional polysiloxane A), one or more dicarboxylic or polycarboxylic acids B) and one or more diols or polyols C) are reacted with one another to form a silicone-polyester hybrid resin, and in a second step the silicone-polyester hybrid resin obtained in the first step is reacted with one or more di- or polyisocyanates and one or more aminosilanes D1) or one or more isocyanatosilanes D2).