C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/10 (2006.01) C08K 3/36 (2006.01) C09D 175/04 (2006.01) D21F 3/00 (2006.01)
Patent
CA 2559577
The present invention relates to a urethane-based coating having nanoparticles for improving the characteristics of a papermaking process belt, roll cover and belts used in textile applications. For example, the present invention improves resistance to flex fatigue, crack propagation, groove closure and wear characteristics of urethane coatings on such belts and roll coverings. The present invention also improves the resistance to water and oil permeation characteristics of urethane coated belts and roll coverings.
La présente invention concerne des revêtement à base d'uréthane possédant des nanoparticules permettant d'améliorer les caractéristiques d'une courroie de processus de fabrication de papier, de recouvrement de rouleau et de courroies utilisées dans des applications textiles. Cette invention améliore, par exemple, la résistance à la fatigue en flexion, la propagation de fissures, la fermeture de rayures et des caractéristiques d'usure de revêtement d'uréthane sur ces bandes et ces recouvrements de rouleau. Cette invention améliore aussi la résistance des caractéristiques de perméation à l'eau et à l'huile des courroies recouvertes d'uréthane et des recouvrements de rouleau.
Li Cheng-Kuang
Toney Crayton Gregory
Albany International Corp.
Moffat & Co.
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