Enclosed-lens retroreflective sheeting having tough,...

Details Enclosed-lens retroreflective sheeting having tough,... Enclosed-lens retroreflective sheeting having tough,...

G - Physics

02

B

240/150

G02B 5/128 (2006.01) B32B 27/08 (2006.01)

Patent

CA 1277648

Abstract of the Disclosure A transparent cover film better protects enclosed-lens retroreflective sheeting and can be applied more economically when it is extruded and is a thermoplastic polymer which has good elongation and minimal elastic memory. Preferred polymers are (a) aliphatic urethanes and (b) polyolefins, especially (c) copolymers of ethylene or propylene, and (d) homopolymers of ethylene or propylene.

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