Retroreflective sheeting

Details Retroreflective sheeting Retroreflective sheeting

1995-03-15

1997-02-11

Krynski, William A.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428 72, 428325, 428327, 428406, 428407, 4284111, 428507, B32B 516

Patent

active

056019157

ABSTRACT:
Retroreflective sheeting having excellent weatherability under prolonged outdoor use, which comprises a support sheet in one side of which retroreflective glass beads are embedded as substantially a monolayer in such a manner that at least their non-reflective portions are exposed on said sheet; and a light-transmittable protective film provided on the glass beads on said support sheet, said protective film being partially fixed onto the support sheet; in which at least the surface layer of the support sheet in which the glass beads are embedded is formed of a resin composition comprising (a) thermofusible resin(s) having a glass transition temperature not higher than 50.degree. C. and (a) cellulose derivative(s) having a glass transition temperature not lower than 90.degree. C.

REFERENCES:
patent: 3140340 (1964-07-01), Weber
patent: 4025159 (1977-05-01), McGrath
patent: 4052525 (1977-10-01), Ide et al.
patent: 4653854 (1987-03-01), Miyata
patent: 4897136 (1990-01-01), Bailey et al.
patent: 4968063 (1990-11-01), McConville et al.
patent: 4983436 (1991-01-01), Bailey et al.

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