COLORIMETRIC SENSOR COMPOSITION AND USE THEREOF Russian patent published in 2024 - IPC C09D11/50 C09K11/06 G01N31/22 

FIELD: chemistry.

SUBSTANCE: invention relates to a colorimetric sensor composition containing a first luminophore and a second luminophore, which are dispersed in a polymer matrix. Sensor contains: (i) first luminophore: platinum-5,10,15,20-tetrakis(2,3,4,5,6-pentafluorophenyl)porphyrin (PtTFPP), second luminophore: 3-(2-benzothiazolyl)-7-(diethylamino)coumarin (C6); (ii) first luminophore: platinum-5,10,15,20-tetrakis(2,3,4,5,6-pentafluorophenyl)porphyrin (PtTFPP), second luminophore: 2,3,6,7-tetrahydro-9-trifluoromethyl-1H,5H-quinolysine(9,1-gh)coumarin (C153); (iii) first luminophore: platinum-octaethylporphyrin (PtOEP), second luminophore: 2,3,6,7-tetrahydro-9-trifluoromethyl-1H, 5H-quinolysine(9,1-gh)coumarin (C153); (iv) first luminophore: platinum-octaethylporphyrin (PtOEP), a second luminophore: 7-benzylamino-4-nitrobenzo-2-oxa-1,3-diazole (BBD); (v) first luminophore: platinum-octaethylporphyrin (PtOEP), second luminophore: rhodamine 6G (R6G); (vi) first luminophore: ruthenium (II)-4,7-diphenyl-1,10'-phenanthroline [Ru(dpp)₃]²⁺, second luminophore: 3-(2-benzothiazolyl)-7-(diethylamino)coumarin (C6); (vii) first luminophore: ruthenium (II)-4,7-diphenyl-1,10'-phenanthroline [Ru(dpp)₃]²⁺, second luminophore: 2,3,6,7-tetrahydro-9-trifluoromethyl-1H,5H-quinolysine(9,1-gh)coumarin (C153); (viii) first luminophore is ruthenium (II)-4,7-diphenyl-1,10'-phenanthroline [Ru(dpp)₃]²⁺, second luminophore is rhodamine 6G (R6G); (ix) first luminophore: platinum-meso-tetraphenylporphyrin (PtTPP), second luminophore -3-(2-benzothiazolyl)-7-(diethylamino)coumarin (C6); (x) first luminophore: platinum-meso-tetraphenylporphyrin (PtTPP), second luminophore: 2,3,6,7-tetrahydro-9-trifluoromethyl-1H,5H-quinolysine(9,1-gh)coumarin (C153); (xi) first luminophore platinum-meso-tetraphenylporphyrin (PtTPP), second luminophore: 7-benzylamino-4-nitrobenzo-2-oxa-1,3-diazole (BBD); (xii) first luminophore: platinum-meso-tetraphenylporphyrin (PtTPP), second luminophor is rhodamine 6G (R6G); (xiii) first luminophore: palladium-5,10,15,20-tetrakis(2,3,4,5,6-pentafluorophenyl)porphyrin (PdTFPP), second luminophore: 3-(2-benzothiazolyl)-7-(diethylamino)coumarin (C6); (xiv) palladium-5,10,15,20-tetrakis(2,3,4,5,6-pentafluorophenyl)porphyrin (PdTFPP), second luminophore: 2,3,6,7-tetrahydro-9-trifluoromethyl-1H,5H-quinolysine(9,1-gh)coumarin (C153); (xv) first luminophore: 4,7-diphenyl-1,10'-phenanthroline ([Ru(dpp)₃]²⁺), second luminophore: 7-benzylamino-4-nitrobenzo-2-oxa-1,3-diazole (BBD); (xvi) first luminophore: platinum-5,10,15,20-tetrakis(2,3,4,5,6-pentafluorophenyl)porphyrin (PtTFPP), second luminophore: 7-benzylamino-4-nitrobenzo-2-oxa-1,3-diazole (BBD); (xvii) first luminophore: palladium-5,10,15,20-tetrakis(2,3,4,5,6-pentafluorophenyl)porphyrin (PdTFPP), second luminophore is 7-benzylamino-4-nitrobenzo-2-oxa-1,3-diazole (BBD). Also disclosed is a method of determining content of oxygen in a gas medium, a multilayer film and a label and their production.

EFFECT: composition of the sensor provides a color change in the corresponding range of oxygen concentrations and enables to determine the oxygen concentration, in particular in controlled gaseous media containing oxygen, such as when packing food products.

12 cl, 3 dwg, 4 tbl, 10 ex