The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 35180-01-9, Name is Chloromethyl isopropyl carbonate, SMILES is O=C(OCCl)OC(C)C, in an article , author is Aldahdooh, Mohammed K., once mentioned of 35180-01-9, COA of Formula: C5H9ClO3.
Synthesis and application of a poly(bis-zwitterion) containing chelating motifs of N-(2-aminoethyl)iminodiacetic acid
A bis-cationic (+ +) diallyl monomer [(H2C = CHCH2)(2)NH+ (CH2)(2)NH+ (CH2CO2H)(2) center dot 2Cl(-)] (I) was prepared by a one-pot, two-step reaction of 2-bromoethylamine hydrobromide, ethyl bromoacetate and diallylamine to generate [(H2C = CHCH2)(2)N(CH2)(2)N(CH2CO2Et)(2)] followed by ester hydrolysis. I underwent cyclopolymerization to afford a unique poly(bis-zwitterion) (PBZ) (+/- +/-) II, containing repeating unit embedded with chelating motifs of N-(2-aminoethyl)iminodiacetic acid in bis-zwitterionic form NH+(CH2)(2)NH+(CH2CO2-](2). Electroneutral II was found to be water-insoluble, while salts like NaCl imparted water-solubility. The polymer was soluble outside a pH window of 1.5-3.5 owing to the equilibration of pH-responsive II to charge-imbalanced polymer chain. The ‘apparent’ pK(a)s of the two NH+ centers were determined to be 5.89 and 10.57. At 2.5 ppm concentration, antiscalant PBZ II imparted 100% inhibition of CaSO4 scale formation for 30 min from its supersaturated solution, while at 20ppm concentration aided by KI, it demonstrated an outstanding synergistic 99% inhibition of mild steel corrosion in 1 M HCl.
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