AXALTA COATING SYSTEMS IP CO., LLC

A two-part (2K) water-borne coating composition includes water; a) a binder part comprising (a1) a hydroxyl-functional (meth)acrylate copolymer; (a2) a non-aromatic polyester having active hydrogen groups; and b) a crosslinker part comprising a polyisocyanate compound having pendant —NCO groups, wherein the (a2) non-aromatic polyester has a number average molecular weight (Mn) of from 500 to 5000 Daltons, an acid value from 0 to 30 mg KOH/g, a calculated hydroxyl value of from 100 to t 600 mg KOH/g and a calculated hydroxyl functionality of from 2 to 8; and wherein the (a1) (meth)acrylate copolymer is the reaction product of a monomer mixture which comprises i) a hydroxyl functional adduct of a monoepoxyester and an unsaturated carboxylic acid; ii) a hydroxyl functional unsaturated monomer which is different from component i); iii) an unsaturated acid functional monomer; and iv) a (meth)acrylate monomer represented by Formula H 2 C═CG a CO 2 R a (MA).

A system and method for automatically producing product mix and application information include a display for depicting a plurality of indicators arranged on a chart. A sensor is used for sensing one of the indicators positioned within the chart. A processor-based system retrieves from a database the mix and application information based upon the sensed indicator. The retrieved mix and application information is provided for mixing paint components.

Methods and assemblies for aligning an optical device with a surface configured to receive a liquid coating and for measuring a parameter of a liquid coating are provided. An exemplary method for measuring a parameter of a liquid coating includes providing a mechanical carriage connected to a surface configured to receive a layer of the liquid coating. An exemplary mechanical carriage is configured to move to and from an operative configuration located at a set distance and orientation with respect to the surface. The method further includes locating an optical device in the mechanical carriage. Also, the method includes adjusting an orientation of the optical device within the mechanical carriage to an aligned orientation based on a relationship between the surface and a mechanical alignment feature on the optical device. The method further includes performing a parameter measurement operation with the optical device in the aligned orientation.

Systems and methods for a sample database are provided, where the sample database is for matching a target coating. In one embodiment, the system comprises a sample database stored on a storage device. The sample database includes a sample coating formula and a sample image feature with at least one sample coating formula linked to at least one sample image feature. At least one sample image feature includes a spatial micro-color analysis that includes a value determined by a sample pixel feature difference between at least two sample pixels.

A composition for application to a substrate is provided. The composition comprises a base component and an activator component. The base component comprises hydroxyl functional prepolymers and the activator comprises isocyanate prepolymers. The composition further comprises an amount of carbon fibre. The hydroxyl functional prepolymers are formulated to polymerise with the isocyanate prepolymers to form a polymer containing carbon fibre.

Methods and systems for robotically painting an object are provided. In one example, the method includes providing a scanner-robot arrangement. The scanner-robot arrangement includes a 3-D scanner, a robot, and at least one processor. The object is detected and an area to be painted is determined with the 3-D scanner in communication with the at least one processor. An applicator is held offset from the area of the object with the robot in communication with the at least one processor. The applicator is in fluid communication with a paint source that contains paint. The applicator is moved relative to the area of the object with the robot in communication with the at least one processor while depositing the paint from the applicator onto the area of the object.

Waterborne top coat compositions, processes for preparing such compositions, and methods for forming top coats on substrates are provided. In an embodiment, a waterborne top coat composition includes water, pigment(s) and resin solids. The resin solids comprise about 60 to 100 wt. % of binder solids and 0 to about 40 wt. % of crosslinker solids, the binder solids comprising about 1 to about 40 wt. % of an acrylic/(meth)acryl copolymer hybrid binder, and about 60 to about 99 wt. % of one or more additional binders, the sum of the respective wt. % in each case equaling 100 wt. %.

Methods and systems for robotically painting an object are provided. In one example, the method includes providing a scanner-robot arrangement. The scanner-robot arrangement includes a 3-D scanner, a robot, and at least one processor. The object is detected and an area to be painted is determined with the 3-D scanner in communication with the at least one processor. A robot path for painting the area is produced using the at least one processor. An applicator is held offset from the area of the object with the robot in communication with the at least one processor. The applicator is in fluid communication with a paint source that contains paint. The applicator is moved along the robot path with the robot in communication with the at least one processor while depositing the paint from the applicator onto the area of the object.

Systems and methods for determining a matting agent level for a clearcoat formulation for repairing an object are disclosed. The method comprises the following steps: a) providing a database with multiple datasets, each dataset including a first gloss level value of a sample coating determined at a first measurement geometry and a matting agent level; b) determining a second gloss level value of the sample coating with a measurement arrangement at a second measurement geometry; c) associating the second gloss level value to the dataset of the sample coating; d) determining a third gloss level value of a target coating with the measurement arrangement at the second measurement geometry; e) selecting, from the database, a target dataset with a second gloss level value that is closest to the third gloss level value; and f) determining, from the target dataset, the matting agent level for the clearcoat formulation.

A method includes applying a coating composition to a substrate through a high transfer efficiency applicator, wherein the coating composition comprises a polyamide wax; wherein the coating composition has a wet film thickness of at least about 30 microns measured at about 45 degrees without visible sag after cure, wherein the viscosity measured at a shear rate of about 1 s-1 recovers, after a high shear rate of about 10000 s-1 is applied for about 20 seconds, to within about 95% of a steady state viscosity achieved at greater than about 100 seconds of continuous shearing at about 1 s-1, in less than about 5 seconds; and wherein the coating composition has a complex viscosity measured at a temperature of about 60° C. that is reduced to from about 60 to about 500 mPa-s when the complex viscosity measured at about 30° C. is from about 800 to about 8000 mPa-s.