METHOD FOR PRODUCING RARE EARTH FERRITE, AND RARE EARTH FERRITE

• Main Authors: YAMADA ATSUSHI, KANO TOMOMI, KOBAYASHI FUMITO, TERADA AKIRA
• Format: Patent
• Language: English; Japanese
• Published: 30.08.2022
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES; CHEMISTRY; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F; FISHING; FORESTRY; HUMAN NECESSITIES; HUNTING; INORGANIC CHEMISTRY; METALLURGY; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS; PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF; TRAPPING

To provide a rare earth ferrite: particularly, one that can be used as a fungicide, an antibiotic, or an algicide, and a method for producing the same.SOLUTION: A mixture including a rare earth source having a specific composition and an iron source is fired at a specific firing temperature, to obtain a rare earth ferrite represented by the formula (1): Ln2xFe2(1-x) O3 (where Ln is a rare earth element selected from the group consisting of lanthanum, praseodymium, neodymium, and yttrium, and x is a number that is at least 0.45 and less than 1.00).SELECTED DRAWING: None 【課題】希土類フェライト、特に、防カビ剤、抗菌剤、及び防藻剤として使用可能な希土類フェライト、及びその製造方法を提供すること。【解決手段】特定の組成を有する希土類源と鉄源とを含む混合物を、特定の焼成温度で焼成して、下記式（１）で表される、希土類フェライトとする。Ｌｎ２ｘＦｅ２（１－ｘ）Ｏ３（１）（式（１）中、Ｌｎは、ランタン、プラセオジム、ネオジム、及びイットリウムからなる群より選択される希土類元素であり、ｘは、０．４５以上１．００未満の数である。）【選択図】なし