| 摘要 |
<p>1,127,151. Phenylenediamine mixture. EASTMAN KODAK CO. 4 Jan., 1966 [4 Jan., 1965], No. 233/66. Heading C2C. [Also in Division C5] The invention comprises a 1 : 1-9 (by wt.) mixture of o- and p-(N,N<SP>1</SP>-di-sec.-alkyl)phenylenediamines, each sec. -alkyl group being of formula RR<SP>1</SP>CH-, wherein R is Me or Et and R<SP>1</SP> is a straight- or branched-chain alkyl group such that the total number of C atoms in R + R<SP>1</SP> is 2-12.</p> |
