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Title:
AZEOTROPIC SOLVENT COMPOSITION
Document Type and Number:
Japanese Patent JPH02289693
Kind Code:
A
Abstract:

PURPOSE: To obtain an azeotropic solvent composition, composed of dichlorotetrafluoropropane and a lower aliphatic alcohol, having low biological toxicity and ozone destroying properties with incombustibility and chemical stability and excellent in selective solubility in waxes, handleability, etc.

CONSTITUTION: The objective composition composed of (A) dichlorotetrafluoropropane consisting of 1,1-dichloro-2,2,3,3-tetrafluoropropane, 2,2-dichloro-1,1,3,3-tetrafluoropropane, 2,3-dichloro-1,2,3,3-tetrafluoropropane, etc., and (B) a 1-4C aliphatic alcohol, such as methanol, ethanol, isopropanol or tert-butanol. The above-mentioned composition is suitable as a detergent, removing agent, dispersion medium for ceramics or metal powder, water draining drying agent, etc.


Inventors:
TAMURA KOJI
OMURE YUKIO
IDE SATORU
Application Number:
JP32780789A
Publication Date:
November 29, 1990
Filing Date:
December 18, 1989
Export Citation:
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Assignee:
DAIKIN IND LTD
International Classes:
B01D12/00; C09D9/00; C11D7/50; C11D7/60; C23G5/028; C23G5/032; H01L21/304; H05K3/26; (IPC1-7): B01D12/00; C09D9/00; C11D7/50; C11D7/60; C23G5/028; C23G5/032; H01L21/304; H05K3/26
Attorney, Agent or Firm:
Sota Asahina (2 outside)