الفهرس 
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Abstract
It was reported that the cationic and nonionic surfactants have various
Emportant. Characters like biological and pharmacological action using
carbon Cs-C 18
Part I
Cationic surfactants were prepared by the reaction of fatty alcohol
C s — C ~ with chioroacetyl chloride in dry dichioromethane to give alkyl
halids of C 8 to C is and quaternization with tertairy amines and pyridine
in dry acetone at 50 C° to give cationic surfactant (II —VII )ad most of the
products are good biodegradable surfactant , the prepared cationic
surfactants showed good surface and biological activities that mainfested
the importance in the different industrial fields.
Part II
Nonionic surfactants were prepared by the reaction of fatty alcohols
with ethylene oxide (n 3.5 and 7 ) the ethoxylated fatty alcohol were
reacted with chloro acetyl chloride in Dry dichloromethane to give
ethoxylated alkyl halids and quaternizaticn with tertairy amines and
pyridine in dry acetone at 50 c° to give nonionic surfactant (II — VII) a-d
(i — iii) . the structures were elucidated by different spectroscopic tools.
The surface active properties of the prepared products (II — VII)ad ~( i-ill)
were evaluated . and studied in cluding surface and interfacialtensioncloud point , foaming , wetting , emulsification , also biodegradability
properties , biodegradable surfactants , the prepared compounds show
good surface and biological activities which manifested the importance in
different industrial fields.