High-brightness all-weather type pavement marking sheet...

Details High-brightness all-weather type pavement marking sheet... High-brightness all-weather type pavement marking sheet...

E - Fixed Constructions

01

C

94/13

E01C 17/00 (2006.01) E01F 9/04 (2006.01)

Patent

CA 2011055

A high-brightness all-weather type pavement marking sheet material is composed of a reflex-reflecting sheet and a base sheet. The reflex-reflecting sheet comprises a layer of glass microspheres of a relatively large diameter which are at least partially exposed in air and bonded to one another by a transparent resin, a layer of glass microshperes of a relatively small diameter which are buried and fixed in a transparent resin layer behind the glass microspheres of a large diameter with an interval between the glass microspheres of a large diameter and the glass microspheres of a small diameter, and a reflecting layer consisting of a metallized film or the like material provided behind the glass microspheres of a small diameter. The base sheet is made of rubber or synthetic resin and is bonded to the lower surface of the reflex-reflecting sheet. The pavement marking sheet material has an excellent brightness in reflection during night and particularly when it is raining.

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