Basecoat coating compositions comprising low molecular weight cellulose mixed esters
US8124676B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 15, 2009 |
| Grant date | Feb 28, 2012 |
| Priority date | — |
| Expiry date | Sep 15, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05D7/572
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A basecoat composition is provided comprising: a) at least one film-forming polymer selected from the group consisting of acrylic polyols and polyester polyols; b) at least one rheological modifier; c) at least one solvent; d) at least one pigment; e) optionally, at least one microgel; f) optionally, at least one crosslinking agent; and g) at least one cellulose mixed ester. A wet-on-wet-on wet process is also provided. The process for coating a substrate comprises: a) applying a primer to said substrate to produce a primed substrate; b) applying a basecoat composition to said primed substrate while said primer is wet to produce a basecoated substrate; and c) applying a clearcoat composition to said basecoated substrate while said basecoat composition is wet and optionally said primer is wet to produce a coated substrate. Coated articles are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.