December 12, 2016
A material (typically a fluorescent dye) added to paper to increase its brightness. As an optical brightener absorbsultraviolet radiation impinging on the paper, it reflects it back as visible light, which can
December 12, 2016
Optical Brightness
In papermaking, an increase in the brightness of a paper by means of the addition of fluorescent dyes or other types of optical brighteners.
December 12, 2016
Optical Whitener
Alternate term for optical brightener. See Optical Brightener.
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