06-12-2018 дата публикации
Номер: US20180346841A1
There are provided a solvent composition containing tDCE, which does not exert an adverse effect on the global environment, has high solubility and incombustibility, and can maintain initial incombustibility even in use accompanied by a phase change, a cleaning method using the solvent composition, a coating film-forming composition including the solvent composition, and a method of forming a homogeneous coating film using the coating film-forming composition. A solvent composition includes: tDCE; a first HFE having a boiling point of 40 to 65° C.; and a second HFE having a boiling point of 70 to 120° C., in which a ratio of tDCE is 65 to 80 mass %, a ratio of the first HFE is 5 to 25 mass %, and a ratio of the second HFE is 5 to 25 mass % with respect to a total amount of tDCE, the first HFE, and the second HFE. 1. A solvent composition , comprising:trans-1,2-dichloroethylene;a first hydrofluoroether having a boiling point of 40 to 65° C.; anda second hydrofluoroether having a boiling point of 70 to 120° C., wherein:the first hydrofluoroether contains at least one selected from a group consisting of 1,1-difluoroethyl-2,2,2-trifluoroethyl ether, 1,1,2,2-tetrafluoroethyl-2,2,2-trifluoroethyl ether, and 1,1-difluoroethyl-2,2,3,3,3-pentafluoropropyl ether; anda ratio of trans-1,2-dichloroethylene is 65 to 80 mass %, a ratio of the first hydrofluoroether is 5 to 25 mass %, and a ratio of the second hydrofluoroether is 5 to 25 mass %, with respect to a total amount of trans-1,2-dichloroethylene, the first hydrofluoroether, and the second hydrofluoroether.2. The solvent composition according to claim 1 , whereinthe second hydrofluoroether contains at least one selected from a group consisting of ethoxynonafluorobutane, 1,1,2,3,3,3-hexafluoropropyl-2,2,2-trifluoroethyl ether, 1,1,2,2-tetrafluoroethyl-2,2,3,3,3-pentafluoropropyl ether, 1,1-difluoroethyl-2,2,3,3-tetrafluoropropyl ether, 1,1,2,3,3,3-hexafluoropropyl-2,2,3,3,3-pentafluoropropyl ether, 1,1,2,2-tetrafluoroethyl- ...
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