Patent ID: 11865817
Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
Field: Surface technology, coating (Chemistry)
Classification: CPC B | IPC B

Claim 12:
13. The thermoplastic multilayer article of claim 1, wherein one or more of the following conditions apply:
the thermoplastic multilayer article has a light transmission of greater than 90% determined according to ASTM D-1003-00, Procedure A, under D65 illumination, with a 10 degrees observer using a Haze-Gard test device;
the first polyurethane layer has a delta haze of less than 10% determined according to ASTM D-1003-00, Procedure A, under D65 illumination, with a 10 degrees observer using a Haze-Gard test device, after Taber abrasion testing on the first polyurethane layer using CS-10F abrading wheels and 500 gram weights for 500 cycles in accordance with ASTM D1044-13;
the thermoplastic multilayer article has a delta haze of less than 5%, and a delta yellowness index of less than 4%, after 7,000 hours of accelerated weathering according to ISO 11341-2004; or
the thermoplastic multilayer article has a delta haze of less than 10%, after the aliphatic polyurethane layer is damaged by CS-17 abrading wheels with a 1 kilogram weight for 1000 cycles in accordance with ASTM D 1044-13 and then heated with a hot air gun at 130° C. for 10 seconds.