Note: The development trend of surfactants in the laundry powder processing industry

There are many varieties of nominal active agents used in washing powder processing formulas in my country. There are more than 16,000 trade names and more than 12 million tons of output. Their uses are very common, affecting all areas of industrial and agricultural production and civil life. There is 'industrial monosodium glutamate'. 's name. Among them, the nominal active agents used in washing powder processing technology products mainly include the following varieties. (1) Sodium alkyl benzene sulfonate (LAS, ABS). Sodium Alkylbenzene Sulfonate is the most used active substance in the production of washing powder all over the world today. Almost all kinds of laundry detergents on the market are formulated with it as an important ingredient, and its output accounts for nearly one-third of the total output of nominal active agents. In 1995, the global production of sodium alkyl benzene sulfonate was 2.8 million tons, and in 2005 it reached 4 million tons. Of the nominal actives used in the production of household laundry detergent products, sodium alkyl benzene sulfonate accounts for 37% in Japan, 33% in the United States, and 37% in Western Europe. Before the 1960s, the sodium alkyl benzene sulfonate used for washing powder was derived from the branched chain sodium alkyl benzene sulfonate of tetrapropylene benzene, called hard sodium alkyl benzene sulfonate (ABS). Because of its poor biodegradability, sodium linear alkyl benzene sulfonate (LAS) of linear alkanes is commonly used in the world. It is called soft sodium alkylbenzene sulfonate. Its biodegradability is significantly better than that of branched chain products. (2) Alkyl sulfate (AS). In the early 1830s, Germany realized the industrialization of AS, and it has been used as an active substance for synthetic laundry detergents. In 2005, the world's alkyl sulfate production reached 900,000 tons. Sodium alkyl sulfate, also known as sodium fatty alcohol sulfate, is also one of the important components of commercial laundry detergents, and an important variety of anionic nominal active agents. Its evacuation power, emulsifying power and detergency are very good. It can be used as heavy-duty fabric washing powder, light-duty liquid washing powder, for washing wool and silk fabrics, and can also be equipped with dishwashing detergent formula raw materials, shampoo, Carpet cleaner, toothpaste, etc. (3) Fatty alcohol polyoxyethylene ether sulfate (AES). One of the problems of AS is that the solubility is low, and a transparent liquid cannot be obtained without sufficient dilution. Therefore, alkyl polyoxyethylene ether is obtained by addition of higher alcohol and ethylene oxide, and then sulfation is carried out, and AES is obtained by neutralization. AES is easily soluble in water, shows low cloud point at higher concentrations, and has good detergency and foaming properties. It is widely used as a liquid washing formula such as shampoo, bath liquid, dishwashing powder, etc. When it is compounded with LAS, it has the effect of decontamination and synergy. In 2005, the world's AES output reached 1 million tons. (4) Sodium secondary alkyl sulfonate (SAS). Sodium secondary alkyl sulfonate is an anionic nominal active agent that has been developed for a long time. As early as World War II, Germany was mass-produced and used as an important component of washing powder and textile printing and dyeing industry. Alkyl sulfonate is an important anionic nominal active agent. It has good wettability, strong decontamination ability, moderate foam, good solubility, little skin irritation, and excellent biodegradability; at the same time, it is compatible with other nominal active agents. Yes, it can be widely used to prepare various liquid washing powders, dishwashing detergents and other technical products, and can also be used to prepare washing powders and other cleaning products.
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