Pavement marking

Details Pavement marking Pavement marking

E - Fixed Constructions

01

F

E01F 9/08 (2006.01) E01F 9/04 (2006.01)

Patent

CA 2121593

2121593 9311303 PCTABS00022 A conformable marking tape having improved mechanical properties comprises a support base and a top-coat layer, the support base comprising a highly saturated acrylonitrile elastomer grafted with a zinc salt of methacrylic acid. The top-coat layer preferably comprises a polyurethane resin having about 50 to about 65 % by weight of rigid segments and about 35 to about 50 % by weight of flexible segments. The rigid segments are derived from diisocyanates and aliphatic and/or cycloaliphatic chain extenders, and the flexible segments are derived from polymeric compounds having at least two active hydrogen atoms and having weight average molecular weights ranging from about 400 to about 4000.

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