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Polysorbate 20 (common commercial brand names include Kolliphor PS 20, [ 2 ]Scattics, Alkest TW 20, Tween 20, and Kotilen-20) is a polysorbate -type nonionic surfactant formed by the ethoxylation of sorbitan monolaurate. Its stability and relative nontoxicity allows it to be used as a detergent and emulsifier in a number of domestic, scientific ...
Sodium laureth sulfate (SLES), an accepted contraction of sodium lauryl ether sulfate (SLES), also called sodium alkylethersulfate, is an anionic detergent and surfactant found in many personal care products (soaps, shampoos, toothpaste, etc.) and for industrial uses.
In this example, the surfactant molecules' oil-soluble tails project into the oil (blue), while the water-soluble ends remain in contact with the water phase (red). Surfactants are chemical compounds that decrease the surface tension or interfacial tension between two liquids, a liquid and a gas, or a liquid and a solid.
A disadvantage of nitrile quats is the poor biodegradability of the original substances and their often pronounced hygroscopicity, which, however, can be reduced by suitable counterions. Other new bleaching systems have been developed, especially for washing at lower temperatures and room temperature and for use in liquid detergent formulations:
In colloidal and surface chemistry, the critical micelle concentration (CMC) is defined as the concentration of surfactants above which micelles form and all additional surfactants added to the system will form micelles. [1] The CMC is an important characteristic of a surfactant. Before reaching the CMC, the surface tension changes strongly with the concentration of the surfactant. After ...
In domestic contexts, the term detergent refers to household cleaning products such as laundry detergent or dish detergent, which are in fact complex mixtures of different compounds, not all of which are by themselves detergents. Detergency is the ability to remove unwanted substances termed 'soils' from a substrate (e.g., clothing).
Triton X-100 is a commonly used detergent in laboratories. [5] Triton X-100 is widely used to lyse cells to extract protein or organelles, or to permeabilize the membranes of living cells. [6] Some applications include: it is an ingredient in Photo-Flo, a solution used in photographic processing to prevent minerals from water being deposited on ...
Cocamidopropyl betaine (CAPB) is a mixture of closely related organic compounds derived from coconut oil and dimethylaminopropylamine. [2] CAPB is available as a viscous pale yellow solution and it is used as a surfactant in personal care products and animal husbandry. The name reflects that the major part of the molecule, the lauric acid group ...
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