Thermal mass transfer imaged retroreflective sheeting

Details Thermal mass transfer imaged retroreflective sheeting Thermal mass transfer imaged retroreflective sheeting

2006-06-21

2010-06-01

Shewareged, Betelhem (Department: 1794)

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

C428S480000, C428S500000, C428S913000, C428S913300, C359S529000, C359S530000, C359S534000, C359S536000, C359S542000

Reexamination Certificate

active

07727617

ABSTRACT:
Retroreflective sheeting is described comprising a viewing surface and a non-viewing surface and a thermal mass transferred image disposed in the optical path of the viewing surface wherein the thermal mass transferred image comprises a homogeneous unreactive thermoplastic composition. In one embodiment, the unreactive thermoplastic composition comprises at least one acrylic resin and at least one colorant, wherein the composition has less than 3 wt-% of components that are opaque at ambient temperature. The percent maximum diffuse luminous transmittance to total luminous transmittance of the composition is less than 50%.

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Formulator Resources, Millennium Chemicals, introduction to light scattering and opacity, pp. 1-4.

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