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Trichloroisocyanuric acid (TCCA) mechanism

For monohydridosilanes, dichloromethane (CH2Cl2) was a suitable solvent in which nearly quantitative conversion was observed within several minutes following the addition of the silanes to trichloroisocyanuric acid (TCCA). For certain cyclic and linear siloxanes, and especially silanes containing multiple hydrogen atoms on the same silicon for which the reaction is sluggish in CH2Cl2, tetrahydrofuran (THF) was the preferred solvent. For a sterically demanding silane that did not undergo chlorination even in THF viz., HSi(OSiMe3)2O–Si(OSiMe3)2H, 1,2-dichloroethane was the best solvent.
The chlorine-based germicide trichloroisocyanuric acid (TCCA), due to its bactericidal effect of chlorine and chlorate are very similar, and have high stability, easy to store, easy to use, safe, no residues of the advantages can be used as alternative to liquid chlorine product use.
Cell metabolism bromine based biocide bactericidal and chlorine-based such as trichloroisocyanuric acid (TCCA) mechanism is similar to the water and rely on the reaction of hypobromous acid oxidation and ammonium bromide released from the interference with the activation of the nitrogen-containing substance formed bromine microorganisms. Bromo fungicides compared to chlorine-based germicide corrosive metal is smaller, sterilization speed, low concentration has a good bactericidal effect, especially in the water PH value> 8.0, higher than the chlorine has bactericidal activity, the conditions of use and environmental factors are stronger than chlorine-based germicide, its biggest drawback is the price expensive. Since bromine based biocide sodium bromide, chloride, bromine stability, security, environmental protection is relatively poor, corrosive; bromo-dimethyl hydantoin bromide propionamide (both solid crystalline powder, slightly dissolved in water, hygroscopic decomposition, generally use artificial periodic dosing, dosage was 15mg / L and 4-6mg / L) become application representative.