| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an aromatic hydrocarbon solvent which contains substantially no benzene, toluene, xylene, 1,3,5-trimethylbenzene nor naphthalene, and is highly safe to human being and has high dissolving power. <P>SOLUTION: The high boiling point aromatic hydrocarbon solvent contains 10-30 vol.% of the sum of 1,2,4-trimethylbenzene and 1,2,3-trimethylbenzene, 60 vol.% or more of aromatic component (AC10) having 10 or more carbon atoms, less than 1 vol.% of 1,3,5-trimethylbenzene, less than 0.1 vol.% of naphthalene and less than 0.01 vol.% of the sum of benzene, toluene and xylene. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
