| 摘要 |
PURPOSE:To absorb near infrared rays effectively by obtg. an infrared rays absorptive compsn. contg. at least one compd. selected from Ni deriv. of (alpha- diimine)(cis-1,2-ethylenedithiolite) expressed by the specified formulas. CONSTITUTION:An infrared rays absorptive compsn. contg. at least one selected from Ni compds. of (alpha-diimine)(cis-1,2-ethylenedithiolite) expressed by the formulas I, II, or III is formed. In the formulas, R<1-5>, R<10-14>, and R<17-21> are halogen, H, and alkyl group aryl group, cycloalkyl group, or heterocyclic group bonded directly or indirectly through a divalent joint group to the C atom in an benzene ring; R<6>, R<7> are alkyl or aryl group; R<8>, R<9>, R<15>, R<16>, R<22>, and R<23> are H atom, alkyl group, aryl group, or cyano group; R<8>/R<9>, R<15>/R<16>, and R<22>/R<23> may bond to each other respectively to form a ring. |
