Antistatic white polyester film

Details Antistatic white polyester film Antistatic white polyester film

2008-06-03

2011-10-04

Chen, Vivian (Department: 1787)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

C428S323000, C428S328000, C428S339000, C428S480000, C428S483000, C428S522000, C359S515000, C359S601000, C359S615000

Reexamination Certificate

active

08029884

ABSTRACT:
Provided is an antistatic white polyester film for a surface illuminant reflector, which has practically adequate reflective performance in a visible light region, can form a film with stability even if inorganic fine particles are added in a high concentration, prevents dirt and dust from adhering to the surface of the film due to having an antistatic coat, can control the gloss levels of the front and back sides of the film, and thereby can control a diffusing property of light, and can be suitably used as a base material for a reflector used for a liquid crystal display or an internally illuminated electric ornament signboard. An antistatic white polyester film for a surface illuminant reflector, having a base material layer formed by using a polyester resin and an antistatic applied layer having the surface resistivity of 3×1012□/□ or less at a temperature of 23° C. and at a relative humidity of 50%, wherein an average reflectivity at a wavelength of 400 to 700 nm is 90% or more on one surface of the polyester film and a difference in a gloss level (60°) between one surface and the other surface of the polyester film is 5 to 80.

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