Modern detergents contain more than surfactants. Cleaning products may also contain enzymes to degrade protein-based stains, bleaches to de-color stains and add power to cleaning agents, and blue dyes to counter yellowing. Like soaps, detergents have hydro↓phobic or water-hating molecular chains and hydrophilic or water-loving compone×nts. The hydrophobic hydrocarbons are repelled by water, but are attracted to oil and grease. T♦he hydrophilic end of the same molecule means that one end of the molecule will be attracted to w≠ater, while the other side is binding to oil. Neither detergents nor soap accomp×lish anything except binding to the soil until some mechanical energy orγ agitation is added into the equation. Swishing the soapy water around allows the soap∏ or detergent to pull the grime away from clothes or dishes ∏and into the larger pool of rinse water. Rinsing washes the detergent and →soil away. Warm or hot water melts fats and oils so that it is easier₽ for the soap or detergent to dissolve the soil and pull it away into the rinse water. Detergents aπre similar to soap, but they are less likely to form fil→ms (soap scum) and are not as affected by the presence of minerals in water (hard water).∑
Modern detergents may be made from petrochemicals or from oleo✘chemicals derived from plants and animals. Alkalis a★nd oxidizing agents are also chemicals found in detergents. Here's a loo•k at the functions these molecules serve:
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