Measuring amount of silicone coating on paper web

Details Measuring amount of silicone coating on paper web Measuring amount of silicone coating on paper web

G - Physics

01

N

G01N 21/35 (2006.01) G01G 9/00 (2006.01) G01N 21/86 (2006.01) G01N 33/34 (2006.01)

Patent

CA 2346480

The invention relates to a method and an apparatus for measuring the amount of silicone coating on a moving paper or board web. In the invention, the characteristics of the coating (4a) are measured by means of reflection measurement or transmission measurement. The amount of the silicone in the coating is measured by measuring an absorption peak that is characteristic of the silicone in the mid-infrated range.

Cette invention concerne un procédé et un dispositif permettant de mesurer la quantité de revêtement au silicone sur une bande papier ou de carton en mouvement. Les caractéristiques du revêtement (4a) sont déterminées par mesure de la réflexion ou de la transmission. Pour déterminer la teneur en silicones du revêtement, on mesure une crête d'absorption dans la plage du rayonnement infrarouge moyen.

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