9.
    发明专利
    未知

    公开(公告)号:SE308583B

    公开(公告)日:1969-02-17

    申请号:SE1747067

    申请日:1967-12-20

    Inventor: FINDEISEN G BROTZ W

    Abstract: 1,165,240. Lubricant for moulding metal powder. FARBWERKE HOECHST A.G., and MANNESMANN - PULVERMETALL G.m.b.H. 21 Dec., 1967 [23 Dec., 1966], No. 58148/67. Heading B5A. [Also in Division C5] A lubricant for use in the compression moulding of metal powders comprises a mixture of: a an amide or diamide of an aliphatic carboxylic acid with 10 to 30 carbon atoms, and b an alcohol or diol with 6 to 32 carbon atoms or a polyglycol with a molecular weight from 500 to 50,000. The lubricant preferably contains 90-99À9 wt. per cent of component a and 10-0À1 wt. per cent of component b and forms 0À1 to 5 wt. per cent of the metal powder which is preferably iron. Component a of the mixture may be stearic acid amide, coconut oil fatty acid amide, palmitic acid amide, bis-stearoyl-ethylenediamine, bis-stearoyl-methylene-diamine or any amide produced from ammonia or an aliphatic diamine with up to 6 carbon atoms and the specified acids. Component b may be an aliphatic straight chain mono or dihydric alcohol with 6 to 32 carbon atoms, stearyl alcohol, cetyl alcohol, hexane-1,6-diol, octane-1,8-diol, an octadecane diol, a diol produced by reacting ethylene oxide with a bisphenol or the bisglycol monoether of p,p1-dihydroxy-diphenylisopropylidene.

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