LIGHT-TRANSFORMING MATERIAL AND COMPOSITION FOR PREPARING THEREOF Russian patent published in 1999 - IPC

FIELD: agriculture, more particularly material for covering hotbeds, greenhouses and rooms for keeping animals. SUBSTANCE: material comprises array, apatite and at least one composite europium compound of general formula: Memx

-u34Rnz, at wherein Me is yttrium, lanthanum, cerium, praseodymium, neodymium samarium europium, gadolinium dysprosium, golmium, erbium, ytterbium aluminium, bismuth, tin, titanium, manganese, calcium barium, zinc, cadmium, sodium, potassium, rubidium, cesium; R is oxygen, sulfur, fluorine, chlorine, bromine, phosphorus, boron, vanadium, molybdenum, tungsten, germanium, or combinations thereof with each other, m and n designate charge of Me ion or R, respectively. Composition comprises, wt %: apatite, 0.01-10.0; composite compound, 0.01-10.0; and array forming component, e.g. polymer, or fiber, or composition for preparing glass, or varnish-forming or glue-forming agent, the balance. EFFECT: increased intensity of transformation of UV radiation into blue and green spectral regions, and increased yield of plants. 32 cl, 54 ex, 5 tbl