Axalta Coating Systems IP Co LLC

E.i. Dupont De Nemours and Company

Other

Salesforce Com, Inc.

U S Coatings IP Co LLC

Rajesh Gopalan Saliya

Ayumu Yokoyama

Hari Babu Sunkara

Sheau-Hwa Ma

Eric C Houze

Anthony Moy

Violeta Ilieva Petkovska

Patricia Mary Ellen Sormani

Delson Jayme Trindade

Allan Blase Joseph Rodrigues

Axel Hans-Joachim Herzog

Ross Sydney Morgan

Kenneth A McDiarmid

The present disclosure is directed to a coating composition for producing coatings sag-free at high coating thicknesses, being quick dry and having good appearance. This disclosure is further directed to a coating composition comprising a crosslinking activator comprising: a) one or more alkylated melamines that are essentially unreactive to a polyisocyanate, and b) a polyurea sag control agent formed by reacting an amine and an isocyanate in the presence of the alkylated melamines. The coating composition can be used to form coating layers having a sag-free wet coating thickness in a range of from 10 to 36 mil (about 0.25 to 0.91 mm). The coating composition can be particularly suitable for vehicle coatings.

Low temperature curing coating composition containing sag control agent and use thereof

A coating composition having excellent adhesion between coating layers is provided. This disclosure is particularly directed to a 1K waterborne coating composition having hydrophobic polytrimethylene ether polyol containing crosslinkable functional hydroxyl groups. The 1K waterborne coating composition can be used in a multi-layer coating that can comprise a primer layer, a basecoat layer, and optionally, a clearcoat layer. The 1K waterborne coating composition of this disclosure can provide improved adhesion between coating layers, such as between a primer layer and a basecoat layer, between two or more basecoat layers, or between a basecoat layer and a clearcoat layer. This disclosure is further directed to a coating composition comprising components derived from renewable resources.

Waterborne coating composition containing bio-resourced polytrimethylene ether polyol

The present disclosure is directed to process for forming a coating layer curable at ambient temperature. This disclosure is further directed to a process for forming a coating layer using a coating composition comprising a crosslinkable component and a crosslinking component that comprises: (a) one or more alkylated melamines that are essentially unreactive to a polyisocyanate, and (b) a polyisocyanate. The process and the coating composition can be particularly suitable for vehicle coatings.

Low temperature curing coating composition and use thereof

The present disclosure is directed to a waterborne coating composition having neutral pH that is low foaming and forms dry coating layer that has high hardness and high gloss. This disclosure is further directed to a coating composition comprising a crosslinking component comprising: (a) one or more alkylated melamines that are essentially unreactive to a polyisocyanate; and (b) a polyisocyanate. The coating composition can be particularly suitable for vehicle coatings and other industrial or consumer applications.

Low foaming waterborne coating composition and use thereof

A solvent borne brushable coating composition having improved sag resistance and process for using the same are provided. The composition includes a crosslinkable component having one or more polymers having two or more crosslinkable groups a crosslinking component comprising one or more crosslinking agents having crosslinking groups; and a sag control agent of polyurea in drying oil. When a layer a pot mix resulting from mixing of the crosslinkable and crosslinking components is brush applied over a substrate, it has high sag resistance, low brush drag while providing desired coating properties, such as high gloss and rapid cure even under ambient conditions. The solvent borne brushable coating compositions is well suited for use in automotive refinish applications as well as direct-to-metal industrial applications, such as construction and transportation equipment.

Solvent borne coating composition having improved sag resistance and process for producing coatings therefrom

The present invention is directed to a device for predicting amount of coarse flakes, such as metallic aluminum flakes present in a coating composition, such as automotive OEM or refinish paint. The device includes measuring flop of a layer of the coating composition applied over a test substrate by using flop prediction device of the present invention. The process is repeated with varying amounts of one or more different types of coarse flakes added to the composition and the flop vs. amount of coarse flakes present in the coating composition is plotted on a graph and then by using a curve fitting equation, a flake amount prediction curve is obtained. By measuring the flop of a wet layer of a target coating composition, the amount of coarse flakes present in the target coating composition can then be predicted by using the flake amount prediction curve. The device is most useful during the manufacture of coating compositions, such as automotive OEM and refinishes paints.

Device for predicting amount of coarse flakes in coating compositions by wet color measurement

A solvent borne brushable coating composition and process for using the same are provided. The composition includes a crosslinkable component having one or more polymers having two or more crosslinkable groups a crosslinking component comprising one or more crosslinking agents having crosslinking groups; and 2 weight percent to 50 weight percent of drying oil comprising linseed oil, tung oil, poppy seed oil, perilla oil, walnut oil or a combination thereof. When a layer a pot mix resulting from mixing of the crosslinkable and crosslinking components is brush applied over a substrate, it has a low brush drag while providing desired coating properties, such as high gloss and rapid cure even under ambient conditions. The solvent borne brushable coating compositions is well suited for use in automotive refinish applications.

Solvent borne coating composition having improved brushability and process for producing coatings therefrom

The process includes measuring flops of a layer of the coating composition applied over a test substrate of a mottling prediction device of the present invention at the start and then after a desired time interval. A delta flop is determined by subtracting from the flop at the start from that after the desired time interval and a degree of mottling of a coating resulting from the layer is visually assessed. The process is repeated with varying amounts of one or more rheology additives added to the composition and the degree of mottling vs. delta flop is plotted on a graph and then by using a curve fitting equation, a mottling prediction curve is obtained. By measuring the delta flop of a wet layer of a target coating composition, the degree of mottling in the target coating composition can then be predicted by using the mottling prediction curve.

Process for predicting degree of mottling in coating compositions by wet color measurement

The present disclosure is directed to a sag control agent comprising a reaction product of an isocyanate and a fluorinated amine. This disclosure is further directed to a coating composition comprising the sag control agent. This disclosure is also directed to a process of forming a sag-free coating layer on a substrate.

Fluorinated sag control agent and use thereof

The present disclosure is directed to a thermoset composition comprising a low molecular weight polytrimethylene ether glycol. This disclosure is further directed to an antimicrobial coating composition, an antimicrobial coating layer, an antimicrobial adhesive, or an antimicrobial sealant formed from the thermoset composition comprising the low molecular weight polytrimethylene ether glycol. The thermoset compositions can be used as interior and exterior top coats, basecoats, primers, primer surfacers, primer fillers, adhesives or sealants. The disclosure is particularly directed to a thermoset composition comprising components derived from renewable resources.

Thermoset composition containing low molecular weight polytrimethylene ether glycol

The present invention is directed to a method for producing a coating having a desired gloss value on a substrate. This invention is also directed to method for producing a predicted gloss value of a coating on a substrate. This invention is further directed to a method of using a matting agent comprising components derived from renewable resources.

Method for producing coating having desired gloss value

A process for predicting an amount of coarse flakes, such as metallic aluminum flakes, present in a coating composition, such as automotive paint. The process includes measuring flop of a layer of the coating composition applied over a test substrate by using a flop prediction device. The process is repeated with varying amounts of one or more different types of coarse flakes added to the composition and the flop vs. amount of coarse flakes present in the coating composition is plotted on a graph. By using a curve fitting equation, a flake amount prediction curve then is obtained. By measuring the flop of a wet layer of a target coating composition, the amount of coarse flakes present in the target coating composition can be predicted by using the flake amount prediction curve.

Process for predicting amount of coarse flakes in coating compositions by wet color measurement

The present invention is directed to a process for predicting the tint strength of a pigmented coating composition, such as automotive OEM or refinish paint, on a real time basis while it is being made. The tint strength of a coating resulting from a layer, obtained by adding a reference binder to the coating composition, is measured. The process is repeated by subjecting the coating compositions to successive grinding intervals. The tint strength vs. reflectance is plotted on a graph and then by using a curve fitting equation, a tint strength prediction curve is obtained. By measuring the reflectance of a wet layer of a target coating composition, the tint strength of that target coating composition can then be predicted by using the tint strength prediction curve. The process is most useful during the manufacture of coating compositions, such as automotive OEM and refinishes paints.

Process for predicting tint strength of coating compositions by wet color measurement

The present process adjusts the amount of flattener added to the coating composition, the gloss of a coating resulting therefrom can be controlled from glossy to flat (matte) finish. The process includes measuring reflectance (L-value) of a layer of the coating composition applied over a test substrate by using gloss prediction device of the present invention. The metallic gloss of a coating resulting from the layer is then measured. The process is repeated with varying amounts of one or more flatteners added to the composition and the metallic gloss vs. reflectance is plotted on a graph. Then by means of a curve fitting equation, a metallic gloss prediction curve is plotted. By measuring the reflectance of a wet layer of a target coating composition, the metallic gloss that would be produced by a coating from that target coating composition can then be predicted by using the gloss prediction curve.

Process for predicting metallic gloss of coating resulting from coating compositions by wet color measurement

The present disclosure is directed to a polyester having renewable 1,3-propanediol. This invention is further directed to a coating composition comprising the polyester having components derived from renewable resources.

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Media, PA, United States of America

Rajesh Gopalan Saliya