C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 137/04 (2006.01) C10M 173/02 (2006.01)
Patent
CA 2284545
A metal forming lubricant suitable for extreme condition use is formulated to contain one or more differential solid lubricants composed of a high melt temperature, substantially halogen-free thermoplastic in addition to conventional lubricants such as organic phosphate esters and natural and synthetic polymer waxes. The lubricants offer superior performance while resisting the tendency to foul metal working dies with gummy deposits. Conductive films may be prepared by including from 0.01 weight percent to about 2.5 weight percent conductive carbon black in the formulation.
Ce lubrifiant pour formage des métaux utilisable dans des conditions extrêmes d'exploitation est constitué d'un lubrifiant solide spécifique, sinon de plusieurs, et d'un thermoplastique à température de fusion élevée et sensiblement exempt d'halogènes, associés à des lubrifiants classiques tels que des esters de phosphate organique et des cires polymères naturelles ainsi que de synthèse. Ces lubrifiants dont les performances sont supérieures n'ont pas tendance à encrasser les matrices par leurs dépôts gluants. Il est également possible de produire des films conducteurs en incorporant à la formulation de ce lubrifiant de 0,01 à 2,5 % en poids de noir de carbone.
Smart & Biggar
Stork David J.
LandOfFree
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