Title:
CLEANING COMPOSITION AND CLEANING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/037579
Kind Code:
A1
Abstract:
The purpose of the invention is to provide: a cleaning composition which is environmentally safe and has excellent cleaning performance by including a predetermined amount of water, and which can effectively suppress metallic corrosion in an object to be cleaned; and a cleaning method using the cleaning composition. The invention provides a cleaning composition which is used in a emulsion state to clean objects to be cleaned, wherein the cleaning composition includes first to fourth organic solvents and water, the first organic solvent is a compound such as a predetermined hydrophobic aromatic compound, the second organic solvent is a predetermined hydrophobic monoalcohol compound, the third organic solvent is, for example, a predetermined hydrophilic nitrogen-containing compound, the fourth organic solvent is a predetermined hydrophilic amine compound, the content of water is within a range of 50 to 3900 parts by weight relative to 100 parts by weight of the total amount of the organic solvents, and when phase-separated into an oil phase and a water phase, the water concentration in the oil phase (measured at a temperature of 25°C) is 5 weight% or less.
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Inventors:
HORI SHIGEO (JP)
NAKATSUKASA HIROKI (JP)
AKAMATSU YUKI (JP)
NAKATSUKASA HIROKI (JP)
AKAMATSU YUKI (JP)
Application Number:
PCT/JP2016/085861
Publication Date:
March 01, 2018
Filing Date:
December 02, 2016
Export Citation:
Assignee:
KAKEN TECH CO LTD (JP)
International Classes:
C11D7/26; C11D7/24; C11D7/32; C11D7/34; C11D7/50; C23G5/024; C23G5/036
Domestic Patent References:
| WO2012005068A1 | 2012-01-12 |
Foreign References:
| JP2010188338A | 2010-09-02 | |||
| JP2010189635A | 2010-09-02 | |||
| JP2015178599A | 2015-10-08 |
Attorney, Agent or Firm:
EMORI Kenji et al. (JP)
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