High-durability pavement marking sheet material

Details High-durability pavement marking sheet material High-durability pavement marking sheet material

E - Fixed Constructions

01

F

94/13

E01F 9/04 (2006.01)

Patent

CA 1221263

-18- ABSTRACT A pavement marking sheet material of an improved durability comprises a laminate of a base layer containing unvulcanized synthetic rubber as a main ingredient and a colored layer of unvulcanized synthetic rubber containing a coloring agent and glass microspheres dispersed over the surface of the colored layer. The lower portions of the microspheres are embedded in the base layer and the remain- ing surfaces of the microspheres and the surface of the laminate are covered integrally with a surface layer of a thin film consisting of a transparent and colorless synthetic resin. The glass microspheres are prevented from coming off by the cooperation between the three layers and wear of the sheet itself is substantially reduced.

471426

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