Invention Publication
- Patent Title: ONE COMPONENT, UV-CURED PRIMER MATERIAL FOR REPAIRING SURFACE IMPERFECTIONS
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Application No.: US18238604Application Date: 2023-08-28
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Publication No.: US20240075498A1Publication Date: 2024-03-07
- Inventor: Mehdi Habibpour , Rick Turpin , Carlton Seaboldt , Grant Shouldice
- Applicant: Illinois Tool Works Inc.
- Applicant Address: US IL Glenview
- Assignee: Illinois Tool Works Inc.
- Current Assignee: Illinois Tool Works Inc.
- Current Assignee Address: US IL Glenview
- Main IPC: B05D5/00
- IPC: B05D5/00 ; B05D7/00 ; B05D7/14

Abstract:
A method for repairing surface imperfections on a vehicle body includes the application of an uncured layer to a thickness of up to 0.254 mm of a primer composition comprising: a polyester resin, an acrylated urethane resin, a crosslinking agent, a solvent, and a particulate filler to the vehicle body. The uncured layer is exposed to actinic radiation to induce cure of the uncured layer to form a coating to fill the surface imperfection on the vehicle body. A surface coating primer composition is also provided that includes a polyester resin; an acrylated urethane oligomer or polymer; a crosslinking agent; a solvent; a photoinitiator; and a particulate filler. The uncured composition has a viscosity of between 100 and 800 centipoise.
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