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US5215876A Radiographic element with UV absorbation compound in polyester support 失效
在紫外线吸收化合物在聚酯支持下的放射元件

Radiographic element with UV absorbation compound in polyester support
摘要:
A radiographic element comprises a polyester support having double sided silver halide emulsion layers. An ultraviolet light absorbing methine compound is copolymerized with the support and is present in an amount sufficient to reduce the average percent transmission of ultraviolet light over the range of wavelength of from about 350 nm to about 395 nm to less than about 25 percent, and whereby the percent transmittance of said element is at least about 55 percent at a wavelength of about 410 nm for an element thickness of about 0.007 inches.
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