Title:
自動車用エンジン冷却液組成物、自動車用エンジン濃縮冷却液組成物及び内燃機関の運転方法
Document Type and Number:
Japanese Patent JP6487382
Kind Code:
B2
Abstract:
An automotive engine coolant composition includes: a non-silicone surfactant; an anti-foaming agent containing a mineral oil and silica; and a base, in which the base includes at least one alcohol selected from the group consisting of a monohydric alcohol, a dihydric alcohol, a trihydric alcohol, and a glycol monoalkyl ether and/or water, a kinematic viscosity is 8.5 mm2/s or more at 25° C. and 2.0 mm2/s or less at 100° C., and with respect to 100 parts by mass of the coolant composition, a content of the mineral oil is 0.01 to 0.4 parts by mass and a content of the silica is 0.003 to 0.1 parts by mass.
Inventors:
Kodama Yasuro
Tomoyuki Nakano
Sakurai Takafuyu
Yaeda alone
Yoichiro Yoshii
Yosuke Kishino
Masayuki Nagasawa
Kamenoue Shogo
Tomoyuki Nakano
Sakurai Takafuyu
Yaeda alone
Yoichiro Yoshii
Yosuke Kishino
Masayuki Nagasawa
Kamenoue Shogo
Application Number:
JP2016126060A
Publication Date:
March 20, 2019
Filing Date:
June 24, 2016
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
Japan Chemical Industry Co., Ltd.
Shin-Etsu Chemical Co., Ltd.
Kao Corporation
Japan Chemical Industry Co., Ltd.
Shin-Etsu Chemical Co., Ltd.
Kao Corporation
International Classes:
C09K5/10; C09K5/20; F01P11/14
Domestic Patent References:
| JP2014012831A | ||||
| JP2014189737A | ||||
| JP2015218234A | ||||
| JP2002113304A | ||||
| JP50131883A |
Attorney, Agent or Firm:
Yusuke Hiraki
Satoshi Fujita
Naomi Shimamura
Hiroko Wada
Satoshi Fujita
Naomi Shimamura
Hiroko Wada