Polymer dispersions, process for their preparation, and their use as binders
Номер патента: CA1297606C
Опубликовано: 17-03-1992
Автор(ы): Dieter Engel, Kurt Kraft
Принадлежит: Hoechst AG
Опубликовано: 17-03-1992
Автор(ы): Dieter Engel, Kurt Kraft
Принадлежит: Hoechst AG
Реферат: Abstract of the Disclosure Aqueous polymer dispersions based on A) 1 to 99% by weight of a carboxy-functional polymer which additionally contains epoxy groups, B) 1 to 99% by weight of a polymer obtained from at least one .alpha.,.beta.-olefinically unsaturated monomer, the polymer B) having been prepared in the presence of polymer A), C) 0 to 20% by weight of anionic or non-ionic emulsifiers or a mixture thereof or of protective colloids, the percentage by weight relating to the solids content of components A) to C), and if appropriate further conventional additives. The invention also discloses a process for the preparation of such polymer dispersions, which are particularly useful as a binder component in metallic basecoats or metal-free (uni) basecoats and electrocoatings. Compared with similar dispersions known from the prior art, the dispersions allow the formulation of rheologically controllable metallic basecoat paints which, after application, show good intercoat adhesion combined with excellent stability on storage in water.
Graft copolymers, process for preparing the same, aqueous coating masses and their use for coating packages
Номер патента: CA2132106C. Автор: Hans-Jurgen Figge,Regina Willmer. Владелец: BASF Lacke und Farben AG. Дата публикации: 1998-09-01.