Journal
ADVANCES IN COLLOID AND INTERFACE SCIENCE
Volume 222, Issue -, Pages 670-677Publisher
ELSEVIER
DOI: 10.1016/j.cis.2014.10.001
Keywords
Influence of solution composition on foam properties; Surfactant-polymer complexes; Foam drainage; Foam stabilisation; Surfactant-polymer interactions
Categories
Funding
- Procter Gamble
- EU
- EPSRC Project, UK [EP/J010596/1]
- PASTA Project ESA
- COST [MP1106]
- Engineering and Physical Sciences Research Council [EP/C528557/1, EP/D077869/1] Funding Source: researchfish
- EPSRC [EP/D077869/1] Funding Source: UKRI
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Foams cannot be generated without the use of special foaming agents, as pure liquids do not foam. The most common foaming agents are surfactants, however often for foam stability one active agent is not enough, it is necessary to add other component to increase foam lifetime. Foams on everyday use are mostly made from mixture of different components. Properly chosen combinations of two active ingredients lead to a faster foam formation and increased foam stability. During the last decade polymers (mainly polyelectrolytes and proteins) have become frequently used additives to foaming solutions. Mixtures of surfactants and polymers often demonstrate different foaming properties in comparison to surfactant only or polymer only solutions. The nature of surfactant-polymer interactions is complicated and prediction of resulting foaming properties of such formulations is not straightforward. Properties and foaming of surfactant-polymer mixtures are discussed as well as current applications of foams and foaming agents as foams are widely used in cosmetics, pharmaceutics, medicine and the food industry. (C) 2014 Elsevier B.V. All rights reserved.
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