| abstract |
The present invention provides a composition for forming a passivation film, which comprises the followingnAn organoaluminum compound represented by the formula (I), and a terpene solvent, Where, R 1 Respectively represent an alkyl group having 1 to 8 carbon atoms; n represents an integer of 0 to 3; 2 And X 3 Respectively represent an oxygen atom or a methylene group; R 2 , R 3 And R 4 Each independently represents a hydrogen atom or an alkyl group having 1 to 8 carbon atoms. |