C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 5/14 (2006.01) C08K 13/04 (2006.01) C08L 61/10 (2006.01) C08L 97/00 (2006.01) F16D 69/02 (2006.01)
Patent
CA 2242554
This invention provides for a friction material composition suitable for friction element formulation. The composition comprises an essentially sulfur- free lignin with low water solubility. The lignin replaces from about 1 to about 30 % on a weight basis with the phenolic resin in the friction material composition. A method of reducing noise within the range of human hearing resulting from friction element performance is also provided.
La présente invention concerne une composition de matériau de frottement convenant à la formulation d'éléments de frottement. La composition comprend une lignine sensiblement exempte de soufre et à faible solubilité dans l'eau. La lignine remplace environ 1 % à environ 30 % en poids de la résine phénolique entrant dans la composition du matériau de frottement. Grâce au rendement de l'élément de frottement, l'invention concerne également un procédé d'atténuation du bruit dans la plage audible par l'homme.
Alcell Technologies Inc.
Borden Ladner Gervais Llp
Nehez Nicholas John
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