| 摘要 |
The invention concerns a multi-stage method of producing aqueous paints (BM) for vehicle interiors. The method proposed calls for the following steps: I) A mixture (VM) is produced containing the following components: A) a component including at least one base paint (A) containing less than 5 % by wt of water, at least one colour- or effect-producing pigment, an organic solvent, at least one water-dilutable or water-dispersible hydroxy-group-containing resin binder and, optionally, auxiliaries and additives; B) at least one pigment-free aqueous component (B) containing at least one optionally hydroxy-group-containing binder; and C) a solution or dispersion of a di- and/or polyisocyanate (C1) or a mixture of di- and/or polyisocyanates (C1) or, as an alternative to component C), D) an aqueous solution or an aqueous dispersion of a rheological auxiliairy (D1). II) When components C and D are not already included in the mixture (VM) produced in stage (I), the paint (BM) is subsequently produced by adding as component D), an aqueous solution or aqueous dispersion of the rheological auxiliary (D1), or, alternatively as component C), a solution or dispersion of a di- and/or polyisocyanate (C1) or mixture of di- and/or polyisocyanates (C1), to the mixture (VM) and then the viscosity of the paint (BM) adjusted by the addition of deionized water (component E).
|
