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Sodium Dodecylbenzenesulphonate (SDBS) is a kind of surfactant, which is often used in detergent, emulsifier and foam.Sodium Dodecylbenzenesulphonate Powder English name sodiumdodecylbenzenesulfonate, referred to as "SDBS, white or light yellow Powder or flake solid. Difficult to volatilize, soluble in water, soluble in water to form a translucent solution. To alkali, dilute acid, hard water chemical stable, slightly toxic. Sodium Dodecylbenzenesulphonate CAS 25155-30-0 is the commonly used anionic surfactant.
Sodium Dodecylbenzenesulfonate (SDBS) is a surfactant commonly used in detergents, emulsifiers, foaming agents and other fields. This article will elaborate on the nature, preparation and application of SDBS.
I. Properties of SDBS
SDBS is a white or light yellow powder with molecular formula C18H29NaO3S and molecular weight 348.48. It is an anionic surfactant with good surface activity and wettability, and can reduce the surface tension of liquid. In addition, SDBS has good emulsification and foam properties, which can stabilize the particles and bubbles in the liquid.
Second, the preparation of SDBS
There are various methods for the preparation of SDBS, one of the common methods is the preparation of benzenesulfonic acid and dodecylbenzene reaction. Specific steps are as follows:
C. Application of SDBS
IV. Safety of SDBS
SDBS need to pay attention to safety during use, avoid contact with skin and eyes. In case of inadvertent contact, it should be rinsed immediately with plenty of water and treated by a doctor. In addition, SDBS also needs to be protected from moisture, sunlight and fire during storage and transportation.
In conclusion, SDBS is an important surfactant with wide application prospects. It needs to pay attention to safety and follow relevant regulations and standards in the process of use to ensure its safe and efficient application.
1、Efficient emulsifying and dispersing agent for pressure-sensitive adhesive polymerization, the dosage is 1~0.1%.
2、Senior detergent, decontaminant, senior detergent main raw material, can give clean white color, efficient decontamination, oil removal and anti-static ability.
3, textile oil agent in the anti-static and clean washing effect of additives.
4, Polyester substrate, sheet base of excellent antistatic agent, especially polyester-based film, photographic film of efficient antistatic agent, the amount of 0.5% or so.
5, polyolefin, polyester and other plastic, polymer materials, antistatic agent.
6, urotropine, urea, ammonium nitrate, ammonium chloride and other inorganic, organic easy to absorb moisture, caking of powdered chemical products, anti-humidity, caking additives. Add 0.3 ~ 0.5% or so, can play a role in increasing the crystalline particles, to prevent moisture absorption, eliminate static electricity, thereby preventing caking.
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