| 发明名称 |
DETERIORATION DETERMINATION TOOL FOR LUBRICATING OIL |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a deterioration determination tool for lubricating oil that is easy to handle and allows quick determination without a substantial effect of black lubricating oil. <P>SOLUTION: A deterioration determination tool of the present invention is an asymmetric membrane that forms a multilayer including a skin layer and a porous layer. Indicator solution in which indicator is dissolved in a protic organic solvent is held in an ultrafiltration membrane having a molecular weight cut off of the skin layer of 1,000 to 200,000. <P>COPYRIGHT: (C)2012,JPO&INPIT |
| 申请公布号 |
JP2012052903(A) |
申请公布日期 |
2012.03.15 |
| 申请号 |
JP20100195473 |
申请日期 |
2010.09.01 |
| 申请人 |
YAMAGATA UNIV;COSMO SEKIYU LUBRICANTS KK |
发明人 |
ENDO MASATOSHI;SAITO TSUKASA;IGARASHI NAMI;TOCHIGI HIROSHI;YAMAMOTO KUNIHARU |
| 分类号 |
G01N33/30;B01D61/14;B01D71/52;B01D71/68;C10M175/06 |
主分类号 |
G01N33/30 |
| 代理机构 |
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