White cover sheet material capable of reflecting ultraviolet ray

Details White cover sheet material capable of reflecting ultraviolet ray White cover sheet material capable of reflecting ultraviolet ray

1980-11-03

1982-08-31

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

343 18R, 343 18B, 428409, 428697, 428702, 428919, 428921, B32B 516, B32B 1508, G01S 736

Patent

active

043472842

ABSTRACT:
A white cover sheet material capable of reflecting ultraviolet rays, comprises at least one outer surface layer thereof which comprises (A) a substantially colorless matrix material comprising a thermoplastic polymer material and (B) a white ultraviolet ray-reflecting agent comprising ZrO.sub.2, the cover sheet material being difficult to be distinguished from snow surface not only by naked eye, but also, by an ultraviolet ray inspecting device.

REFERENCES:
patent: 4001827 (1977-01-01), Wallin et al.
patent: 4064305 (1977-12-01), Wallin
patent: 4215168 (1980-07-01), Yonemura et al.

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