Invention Grant
- Patent Title: Solvent borne coating composition having improved sag resistance and process for producing coatings therefrom
- Patent Title (中): 具有改善的抗流挂性的溶剂型涂料组合物及其制备方法
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Application No.: US14466471Application Date: 2014-08-22
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Publication No.: US09540533B2Publication Date: 2017-01-10
- Inventor: Rajesh Gopalan Saliya , Ayumu Yokoyama
- Applicant: AXALTA COATING SYSTEMS IP CO., LLC
- Applicant Address: US DE Wilmington
- Assignee: AXALTA COATING SYSTEMS IP CO., LLC
- Current Assignee: AXALTA COATING SYSTEMS IP CO., LLC
- Current Assignee Address: US DE Wilmington
- Agency: Lorenz & Kopf LLP
- Main IPC: C08L91/00
- IPC: C08L91/00 ; C09D133/06 ; C09D133/12 ; C09D191/00

Abstract:
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.
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