D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 3/22 (2006.01) D21C 9/08 (2006.01)
Patent
CA 2510952
The present invention relates to a wood cooking aid which comprises a mixture of fatty acids and rosin acids and/or salts thereof in a ratio which is effective in removing the extractives in pulp production. The invention also relates to a method for preparing a wood cooking aid wherein fatty acids and rosin acids are provided in a mixture in a ration which is effective in removing the extractives in pulp production. If desired salts of said acids are prepared by reacting said fatty acid rosin acid mixture containing the desired fatty acid and rosin acid distribution with water and sodium hydroxide. The wood cooking aid of the invention is used in cooking of hardwood.
La présente invention concerne une aide de cuisson du bois comportant un mélange d'acides gras et les acides de la colophane et/ou leurs sels dans un rapport efficace pour éliminer les matières extractives dans la production de pulpe. L'invention se rapporte également à un procédé de préparation de l'aide de cuisson du bois où des acides gras et les acides de la colophane sont mis en oeuvre dans un mélange dans une rapport efficace dans l'enlèvement des matières extractives de la pulpe. Si on le souhaite, des sels de ces acides sont préparés par réaction du mélange de colophane acide contenant les acides gras désirés avec de l'hydroxyde de sodium et de l'eau. L'aide à la cuisson du bois de l'invention est employée dans la cuisson de feuillu.
Arizona Chemical B.v.
Mcmillan Llp
LandOfFree
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