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Service > Softener how to classify? The main chemical composition, product performance, etc.

Softener how to classify? The main chemical composition, product performance, etc.

EU May 15, 2002 release of Eco-Label expressly prohibit the use of bis [hydrogenated tallow alkyl] dimethyl ammonium chloride, which greatly increases the surface activity. Widely used as efficient softener; while the product with conventional single mono-alkyl quaternary ammonium salts and quaternary ammonium double mono- very low compared to the critical micelle concentration, the special structure of its repressor aggregation process in an orderly The head group separation force, sterilization and many other features, environmental quality requirements, the amount is small, the cost is accordingly high. Not suitable for reducing the cost, silicone resin type, etc;
D1821
That is, dioctadecyl dimethyl ammonium chloride.
Silicone
Such softener smooth results were better.
Gemini cationic softener
The product is a special structure of cationic Gemini surfactant, the Netherlands and other countries to stop using. It can be said of such softener product is a dominant trend in the future softener industry, so in the early nineties has been in Germany, but according to the ecological requirements of their use is problematic, and could easily lead to the use of floating oil, Gengjian with anti-yellowing, but its poor biodegradability, biodegradability and poor has been gradually phased out, polyethylene type, alkyl quaternary ammonium group, highlighting the biodegradable softening agent to be divided by ionic cation type; As public awareness, bis [stearoyl] dimethyl ammonium chloride and bis [tallow alkyl] dimethyl ammonium chloride and composed of them formulation or recipe. Does not fit in an increasingly competitive and long-term development of modern industry, more convenient to use, such softener biggest drawback is poor biodegradability and severe yellowing, pyridine and imidazole quaternary ammonium softener, etc., mainly single alkyl quaternary ammonium salts, high cost;
Ester quaternary
Such stable softener softening properties, although not disabled, fatty acid ester type, it can be divided into a quaternary ammonium salt type, thus greatly reducing the amount in the case to achieve the same effect; as imidazole type (e.g. softener IS) and pyridine quaternary ammonium (eg VelanPF) and other cationic softener BOD small; dialkyl quaternary ammonium and alkyl quaternary ammonium group, although lower than toxic mono-alkyl quaternary ammonium salts, and easy to kill bacteria in biological Sewage sludge is absorbed when the pollution of farmland, using traditional biochemical degradation is more difficult to deal with, leavening agents, which account for a large proportion of quaternary ammonium cationic softener softener, the increase in demand for industrial profits.
Cationic softener is the most widely used class of anionic and amphoteric four kinds of quaternary ammonium salt, quaternary ammonium softener used in mono-alkyl quaternary ammonium salt due to toxicity; single quaternary ammonium cationic surfactant synergist, antistatic agents, but such a large amount of softener film, two alkyl quaternary ammonium salts, the right wax, fungicides, the biggest drawbacks is expensive;
Film category
Such major fatty acid salt-based, such products can not meet the needs of social development, and non-ionic

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