1-cyclohexyl-1,4-dimethyl decahydronaphthalene and a working fluid for traction drive formulated therewith
AssigneeIdemitsu Kosan Co., Ltd.
InventorsNobuaki Shimizu, Toshiyuki Tsubouchi, Hitoshi Hata
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Abstract
The invention provides a novel compound 1-cyclohexyl-1,4-dimethyl decahydronaphthalene which is useful as fluids for traction drive. The compound can be synthesized by the hydrogenation of 1,4-dimethyl-4-phenyl-1,2,3,4-tetrahydronaphthalene and analytical results for the identification of the compound are given.
Claims3
1-Cyclohexyl-1,4-dimethyl decahydronaphthalene expressed by the structural formula ##STR4##
A fluid for traction drive which comprises 1-cyclohexyl-1,4-dimethyl decahydronaphthalene expressed by the structural formula ##STR5##
A process for improving the coefficient of traction between at least two relatively rotatable elements in a torque transmitting relationship and for maintaining said coefficient of traction at a high level at operating temperatures up to 120.degree.-140.degree. C. which comprises introducing between the tractive surfaces of said elements a traction drive fluid which comprises 1cyclohexyl-1,4-dimethyl decahydronaphthalene expressed by the structural formula ##STR6##
Dependencies are inferred from the claim text.