Invention Grant
- Patent Title: Polymer coated metallic substrate and method for making
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Application No.: US14880446Application Date: 2015-10-12
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Publication No.: US09951244B2Publication Date: 2018-04-24
- Inventor: Frederick Alan Myers
- Applicant: AK Steel Properties, Inc.
- Applicant Address: US OH West Chester
- Assignee: AK Steel Properties, Inc.
- Current Assignee: AK Steel Properties, Inc.
- Current Assignee Address: US OH West Chester
- Agency: Frost Brown Todd, LLC
- Main IPC: C09D133/00
- IPC: C09D133/00 ; C09D133/08 ; C09D135/06 ; C08K3/00 ; C08K5/00 ; C09D125/08

Abstract:
A composite material comprising a metallic substrate and a coating on at least one side of the metallic substrate, wherein the coating comprises an acrylic or styrene-acrylic based polymer and is less than about 0.2 mils thick, wherein the polymer has a molecular weight of 50,000 to 1,000,000, a glass transition temperature (Tg) of 50-80° C., and comprises 90-100 wt. % of the total solids in the coating.The method of applying a coating to a metal substrate using a manifold flood and squeegee roll configuration or alternatively roll coater techniques; wherein the roll hardness, shape, pressure and speed are chosen to ensure that the coating composition forms a continuous wet film on the metallic substrate surfaces when the strip travels at up to 600 feet per minute; and the wet film has a uniform thickness of 2 mil (0.002 inch) or less.
Public/Granted literature
- US20160032133A1 POLYMER COATED METALLIC SUBSTRATE AND METHOD FOR MAKING Public/Granted day:2016-02-04
Information query
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