polymers and surfactants Flashcards

1
Q

what is a surfactant

A

surface active agents and amphiphiles consists of a hydrophobic segment and hydrophilic segment

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2
Q

4 classes of surfactants

A

anionic, cationic , non-ionic and zwitterionic

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3
Q

what happens at air -water interface

A

the hydrophilic portion remains in water and hydrophobic part remains in the air

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4
Q

what is the critical micelle concentration

A

the surfactant concentration at which micelles begin to form

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