Home laundry detergent ingredients explained

The nominal active agent in the laundry detergent formula is also called the active substance of the laundry detergent. According to the balance between the hydrophilic group and the new oil base in the molecule, the washing powder processing manufacturer dissolves in water and adsorbs on the matrix (water and dirt) between the water. On the interface, so that the free energy of the interface falls to realize the process of decontamination. Its molecules have the basic structure, that is, one end of the molecule is a straight chain, and the composition of the hydrocarbon chain has a great influence on its nominal activity, such as sodium alkylsulfonate. When the carbon atom in the alkyl group contains detergent powder, the technical formula is for In the aqueous solution system, various physical and chemical effects are used to remove dirt, achieve hygienic goals, improve product performance and purity, and formulate products formulated with various formulations. Detergent formulations contain essential components - nominal active agents and auxiliary components (auxiliary agents, foam boosters, chelating agents, fillers, etc.). Sodium carbonate is an indispensable component in the formula of modern washing powder. In addition to reducing the ability of calcium and magnesium ions in hard water and softening the water, it also has the function of making dirt and fibers drop more when the pH value increases. Negative charge, which increases the repellency between dirt and fibers, is an important component of alkaline detergents. Soda ash should not be added to washing powder used to wash fabrics such as silk, wool and man-made fibers. Only one is suitable for washing powder. According to the dissociation properties of the active agent in the aqueous solution, it is confirmed that the anionic and non-ionic active agents have strong detergency, and are commonly used active agents in washing powder. The anionic surface active agent is mainly used in the formula, and its sodium linear alkylbenzene sulfonate accounts for about 90%. The types of non-ionic surface active agents include fatty alcohol polyoxyethylene ether (AEO). In some washing powder formulations, the phosphate content is as high as 40 or more, which brings pollution to the environment that cannot be ignored-the eutrophication of rivers and the consumption of large amounts of phosphorus Resources. In recent years, some countries have successively ordered to ban or limit the use of phosphate in washing powder. China is also developing phosphorus-free or phosphorus-less washing powder. Sodium silicate plays an important role in washing powder. If it has a good buffering effect, it can soften Water can inhibit corrosion of stainless steel and aluminum, and promote foam formation and firmness. The most widely used is sodium metasilicate pentahydrate, which also has a synergistic effect on decontamination with polyphosphate and other detergent ingredients. With sodium carbonate It is an important auxiliary agent for phosphorus-free washing powder and an important component of alkaline detergent.

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