Pavement marking material

Details Pavement marking material Pavement marking material

E - Fixed Constructions

01

C

94/13

E01C 11/00 (2006.01) E01F 9/04 (2006.01)

Patent

CA 2037515

Abstract of the Disclosure A pavement marking material comprises a flexible base sheet that is conformable to an irregular pavement surface. A durable, wear-resistant, polymeric top layer is adhered to one surface of the base sheet. The top layer is capable of undergoing brittle fracture at a temperature from 0°C to 45°C such that when the base sheet conforms an irregular surface, the top layer readily forms ruptures to relieve stress build-up in the top layer as the regions of the top layer defined by the ruptures remain adhered to, and follow the conformance of, the base sheet. A plurality of particles are embedded in and protrude from the top layer. In a preferred embodiment, the top layer is characterized by a Young's modulus of from about 50,000 psi to about 300,000 psi, and a percent elongation at break of from about 4% to about 35%.

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