Materials for dewatering elements

Details Materials for dewatering elements Materials for dewatering elements

D - Textiles, Paper

21

F

D21F 1/48 (2006.01) D21F 1/52 (2006.01) D21F 3/10 (2006.01)

Patent

CA 2546656

A material for dewatering elements at the wet end of a paper-making machine is disclosed which is intended to overcome prior art problems relating to wear and friction between a forming screen and dewatering elements. The material comprises an elastomeric polymer matrix, and a filler added to the matrix at a level of 10 to 50 percent by weight, and the material has a hardness according to Shore A between 60 and 85. The filler content of the dewatering element plays an important role in controlling the friction between the dewatering element and the forming screen. The invention also relates to a dewatering element comprising such material, and to the use of such material for the preparation of a dewatering element.

L'invention concerne une matière destinée à déshydrater des éléments au niveau de l'extrémité humide d'une machine à papier. Ladite matière contient une matrice polymère élastomère et une charge ajoutée à la matrice à un certain pourcentage en poids allant de 10 à 50 %, et cette matière possède une dureté comprise entre 60 et 85 en fonction de <= shore A >=. Ladite invention a aussi traità un élément de déshydratation contenant une telle matière et à l'utilisation de cette même matière dans la préparation d'un élément de déshydratation.

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