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公开(公告)号:JPH1036376A
公开(公告)日:1998-02-10
申请号:JP7476097
申请日:1997-03-27
Applicant: BASF AG
Inventor: HAGEN HELMUT DR , ALBERT BERNHARD DR
IPC: C07D487/22 , C07D513/22 , C09B47/04 , C09B47/20 , C09B47/22 , C09K3/00
Abstract: PROBLEM TO BE SOLVED: To obtain an infrared-absorbing phthalocyanine, being the specific one, having extremely effective infrared-absorbing properties and useful as an infrared-absorbing agent for an infrared-absorbing ink, an printing ink, glasses, an agricultural sheet, a heat transfer printing, etc. SOLUTION: This infrared-absorbing phthalocyanine is the new one of formula I [A is a group of formula II (each of the rings B and C may be substituted by a 1-4C alkyl, a 1-4C alkoxy, nitro, hydroxysulfonyl, benzoyl or a benzene ring obtained by condensation cyclization at the ortho position; R is H or methyl), etc.; both Hs attaching to nitrogens may be replaced by copper, nickel, vanadyl, magnesium, AlCl, or zinc]. The infrared-absorbing phthalocyanine has an infrared absorption within a range of 720-1,100μm wavelength and is useful as an infrared-absorbing agent for an infrared absorbing ink, a printing ink, glasses, an agricultural sheet, a sheet-bonded plate glass, a heat transfer printing, etc. The compound is obtained by reacting compounds of formulas III and IV with a phthalocyanine substituted by a halogen.