surface-active


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Related to surface-active: nonionic surfactant

sur·face-ac·tive

(sŭr'făs-ak'tiv),
Indicating the property of certain agents of altering the physicochemical nature of surfaces and interfaces, bringing about lowering of interfacial tension; they usually possess both lipophilic and hydrophilic groups.
See also: surfactant.
Farlex Partner Medical Dictionary © Farlex 2012

sur·face-ac·tive

(sŭr'făs-ak'tiv)
Indicating the property of certain agents of altering the physicochemical nature of surfaces and interfaces, bringing about lowering of interfacial tension; they usually possess both lipophilic and hydrophilic groups.
See also: surfactant
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
In this study the microwave-assisted transesterification between CMC and the triacyl glycerides of rapeseed oil was investigated and the chemical, surface-active and associative properties of the obtained water-soluble amphophilic CMC derivatives were characterized.
Lin et al., [20] reported that the surface-active compound from B.
Because a detergent is referred to as a surface-active agent, as the control solutions we used a surface-active substance (ethanol), a surface-inaetive sub stance (NaCl), and distilled water (DW).
According to the received activity series built up from the derived values on surface activities, Bi leads the list of the most surface-active elements followed by Ca, Sr, Sn, Sb, Cd, Mg, and so on.
During spray-drying, surface-active components interact with the droplet surface, and coat the powder surface according to their adsorption efficiency.
Most dithiophosphates are surface-active liquid substances.
The role of surface-active agents, solvents, and resin chemistry on the adhesion/cohesion will be illustrated.
For the more surface-active agents, large deviations between the surface tension-bubble life time isotherms are observed, which is an indicator that the frothing agents accumulated in the foam.
The S-5 surfactant mixture represents a balance of anionic and nonionic surfactants; removing the two more surface-active components makes the S-3 surfactant combination a nonionic package only.

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