Citation: Guo Zhen JI, Xi Lin CUI. TERMINAL-GROUP EFFECT ON COAGGREGATION[J]. Chinese Chemical Letters, ;1996, 7(7): 635-637. shu

TERMINAL-GROUP EFFECT ON COAGGREGATION

Guo Zhen JI ,
Xi Lin CUI

Shanghai Institute of Organic Chemistry, Academia Sinica, 354 Fenglin Lu, Shanghai 200032

Received Date: 12 December 1995

Fund Project: We thank the National Natural Science Foundation for financial supports.

The coaggregating tendencies of dodecane, octadecane, dodecanol, octadecanol, dodecanoic acid, octadecanoic acid, methyl dodecanoate, methyl octadecanoate have been investigated by the fluorescence method, in 40:60 V/V (φ=0.40) DX-H₂O system at 25℃. using naphthylene lauryl ether (Np-12) as fluorescence probe. These long chain molecules with different terminal groups have different coaggregating tendencies. The order is alkane >methyl ester of fatty acid >fatty alcohol >fatty acid. The unusual properties of carboxyl as terminal-group have been discussed.
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