Title:
CALCIUM ALKYL PHENATE SULFIDE AND PREPARATION METHOD THEREOF, AND LUBRICATING OIL COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2016/127388
Kind Code:
A1
Abstract:
A calcium alkyl phenate sulfide, prepared by a preparation method comprising the following steps: a) mixing alkyl phenol, a calcium source and base oil to obtain a mixed liquid; b) mixing the mixed liquid, ethanediol and a sulfur source to perform a sulphurization reaction to obtain a sulphurization reaction liquid; c) reacting the sulphurization reaction liquid with CO2 to perform a carbonation reaction to obtain a carbonation reaction liquid; d) extracting via a solvent and refining the carbonation reaction liquid to obtain a calcium alkyl phenate sulfide, the solvent comprising solvent oil, water and an oxygen-containing derivative of hydrocarbon. The calcium alkyl phenate sulfide prepared via the above method has a free alkyl phenol content of less than 1.5 wt%. Also provided is a lubricating oil comprising the calcium alkyl phenate sulfide.
Inventors:
FAN JINFENG (CN)
QIAO QINGWEN (CN)
WAN XINSHUI (CN)
ZHOU LIQIANG (CN)
WANG SHIPING (CN)
QIAO QINGWEN (CN)
WAN XINSHUI (CN)
ZHOU LIQIANG (CN)
WANG SHIPING (CN)
Application Number:
PCT/CN2015/072997
Publication Date:
August 18, 2016
Filing Date:
February 13, 2015
Export Citation:
Assignee:
XINXIANG RICHFUL LUBE ADDITIVE CO LTD (CN)
International Classes:
C10M135/02; C10M159/22; C10N30/04
Foreign References:
CN101215248A | 2008-07-09 | |||
CN101372469A | 2009-02-25 | |||
CN101423483A | 2009-05-06 | |||
CN102676276A | 2012-09-19 | |||
US5370803A | 1994-12-06 | |||
CN1145944A | 1997-03-26 | |||
US3810837A | 1974-05-14 |
Other References:
See also references of EP 3162877A4
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
北京集佳知识产权代理有限公司 (CN)
北京集佳知识产权代理有限公司 (CN)
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