Process for preparing thermosetting powder paint binder composition

摘要

The present invention relates to a process for preparing a thermosetting powder paint binder composition.;For a short period of time, where up to 20% of the polymer or crosslinker reactor is reacted, the polymer, which is solid at room temperature, is mixed with the crosslinking agent in an apparatus for obtaining a homogeneous composition, wherein the viscosity of the polymer (measured according to Emila) is 5000 dPas. At temperatures below the polymer and crosslinker have complementary reactors, the polymer is continuously cooled and comminuted, and the mixing is preferably carried out in a static mixer at a temperature of at least 140 ° C.