POLYVINYL ETHER COMPOUND AND LUBRICATING OIL

Title:

POLYVINYL ETHER COMPOUND AND LUBRICATING OIL

Document Type and Number:

WIPO Patent Application WO/1993/024435

Kind Code:

A1

Abstract:

A polyvinyl ether compound (including one having a specified terminal group) having constitutional units each represented by general formula (I) wherein R¿3?, R¿4? and R¿5? represent each H or alkyl; R?6¿ represents alkylen; R?7¿ represents alkyl; and k represents 0 to 10; and a process for producing the same by polymerizing a vinyl ether monomer in the presence of a specified initiator comprising a combination of a Bro^'nsted acid, Lewis acid or organometallic compound with an adduct of a carboxylic acid with water, alcohol, phenol, acetal or vinyl ether. The compound is useful as lubricating oil, etc. A process for producing an ether compound by the reaction of an acetal or ketal represented by general formula (II) with hydrogen in the presence of an acidic substance and a solid catalyst having a hydrogenating ability to convert the group R?33¿O- or R?34¿O- into a hydrogen atom.

Inventors:

EGAWA TATSUYA
KAWAGUCHI YASUHIRO
MOGAMI KENJI
SHIMIZU NOBUAKI

Application Number:

PCT/JP1993/000690

Publication Date:

December 09, 1993

Filing Date:

May 25, 1993

Export Citation:

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Assignee:

IDEMITSU KOSAN CO (JP)

International Classes:

C07C41/28; C07C43/04; C07C43/10; C07C43/11; C07C43/15; C07C43/315; C08F16/18; C10M107/24; C10M171/00; (IPC1-7): C07C41/28; C07C43/04; C07C43/10; C07C43/11; C07C43/15; C08F8/04; C08F16/18; C08F299/02; C10M107/24

Foreign References:

JPS4735308B1
JPS63273607A	1988-11-10
JPS64108A	1989-01-05
JPH01108203A	1989-04-25
JPH0288607A	1990-03-28
JPS6287247A	1987-04-21
JPS58177929A	1983-10-18

Other References: