Shoe press belt and manufacturing method

Details Shoe press belt and manufacturing method Shoe press belt and manufacturing method

D - Textiles, Paper

21

F

D21F 3/02 (2006.01) B29D 29/00 (2006.01) D21F 7/08 (2006.01)

Patent

CA 2636012

To improve the water squeezing function of a shoe press belt for papermaking, the wet web side layer of a main body of the belt is composed of a high molecular weight elastic material, and the wet web facing surface of the wet web side layer is made hydrophilic. Water, squeezed from the wet web under compression in a shoe press, and transferred to the surface of the wet web side layer of the belt through a felt, may be shaken off reliably before the belt is again subjected to compression.

Afin d'améliorer la fonction d'essorage d'une courroie de presse à sabot servant à la fabrication de papier, la couche côté bande humide du corps principal d'une courroie est faite d'un matériau élastique à poids moléculaire élevé, et la surface de la couche côté bande humide faisant face à la bande humide est hydrophile. L'eau, essorée de la bande humide par compression dans la presse à sabot et transférée à la surface de la couche côté bande humide de la courroie par un feutre peut être retirée de manière fiable avant que la courroie soit de nouveau compressée.

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