| abstract |
A method of industrially advantageously producing a lubricating oil and a polyvinyl ether compound and an ether compound for a compression type refrigerating machine excellent in compatibility with 1,1,1,2-tetrafluoroethane and the like and having excellent lubrication performance, and A novel polyvinyl ether compound useful as a lubricating oil for a compression type refrigerator, an insulating oil or the like is disclosed.n n n In the present invention, in the general formulas (XV) and (XVI)n n n n n n n n n n n n n (Wherein R 33 and R 34 are each a hydrocarbon group or a hydrocarbon group containing an etheric oxygen in the main chain, side chain or both, and are the same or different from each other; R 35 , R 36 and R 37 each represent a hydrogen atom, a hydrocarbon group Or a hydrocarbon group containing etheric oxygen in the main chain, side chain or both, which are the same or different from each other), which compound is represented by the following general formula (XIV)n n n n n n n n (Wherein R 33 , R 34 , R 35 , R 36 and R 37 have the same meanings as defined above) with hydrogen in the presence of a solid catalyst having acidic and hydrogenating capabilities. |