| http://www.w3.org/ns/prov#value | - Typical examples of secondary aromatic diamines (cii) are: N,N'-dialkyl substituted aromatic diamines, which optionally can be substituted on the aromatic ring by alkyl radicals, having from 1 to 20, more preferably from 1 to 4 carbon atoms in the N-alkyl radical such as N,N'-diethyl, N,N'-di-sec-pentyl, N,N'-di-sec-hexyl, N,N'-di-sec-decyl, N,N'-dicyclohexyl-p- and/or -m-phenylenediamine; N,N'-di
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