Table 6 Surface tension, interfacial tension and contact angle of the prepared nonionic and hybrid surfactants at CMC and 50 °C.

From: Synthesis a new family hybrid anionic/nonionic surfactant and investigation their physical properties in relation to chemical enhanced oil recovery

Surfactant

γ, mN m− 1

IFT x 102, mN m− 1

Contact Angle (o)

Value

Sd

Blank crude oil

NA

12

0.6557

116.74

Non-Ionic

NMAE-10

29.6

0.09

0.8881

26.49

NMAE-12

24.5

0.04

0.4021

21.62

NMAE-14

27.5

0.07

0.4509

24.55

Hybrid

AMAES-10

21.5

0.08

0.611

16.05

AMAES-12

16.3

0.01

0.2101

8.66

AMAES-14

19.2

`0.05

0.5567

13.50

Back to article page