发明名称 METHOD OF PRODUCTION OF MAGNETIC FLUID ON POLYETHYLSILOXANE BASIS
摘要 FIELD: technological processes; chemistry. ^ SUBSTANCE: method includes deposition of magnetite from solution of salts of bivalent and trivalent iron with solution of ammonium hydroxide, which contains 50 vol.% of organic dissolvent - acetone, flushing of prepared deposit with acetone, its stabilisation and resolution of obtained magnetic powder in polyethylsiloxane carrier with addition of alcohol solution of antioxidant additive of n-aminophenol. ^ EFFECT: higher colloidal and temperature resistance and increase of magneto-liquid seals running time. ^ 1 tbl, 3 ex
申请公布号 RU2335818(C2) 申请公布日期 2008.10.10
申请号 RU20060134779 申请日期 2006.10.02
申请人 FEDERAL'NOE AGENTSTVO PO OBRAZOVANIJU GOSUDARSTVENNOE OBRAZOVATEL'NOE UCHREZHDENIE VYSSHEGO PROFESSIONAL'NOGO OBRAZOVANIJA IVANOVSKIJ GOSUDARSTVENNYJEHNERGETICHESKIJ UNIVERSITET 发明人 BELONOGOVA ANNA KAPITONOVNA;FROLOVA LJUBOV' VASIL'EVNA
分类号 H01F1/44 主分类号 H01F1/44
代理机构 代理人
主权项
地址