公开(公告)号：US10358520B2

公开(公告)日：2019-07-23

申请号：US15121701

申请日：2015-01-09

Applicant: BASF Coatings GmbH

Inventor： Bernhard Lettmann ,  Peter Hoffmann ,  Raphaela Jasper ,  Kai Kuhn ,  Heinz-Juergen Kemper ,  Marion Siegert

IPC: C09D175/04 ,  B05D7/00 ,  C09D175/08 ,  C08G18/48 ,  C08G18/40 ,  C08G18/66 ,  C08G18/75 ,  C08G18/08 ,  C08G18/12 ,  C08G18/34 ,  C08G18/42

Abstract: The present invention relates to a polymer, preparable by reacting at least one polymer, preparable by reacting (a) dimer fatty acids with at least (b) one polyether having a C3 to C6 alkylene radical and a number-average molecular weight of 450 to 2200 g/mol, components (a) and (b) are used in a molar ratio of 0.7/2.3 to 1.3/1.7, and the resulting polymer has a number-average molecular weight of 1500 to 5000 g/mol and an acid number