Citation:
XIA Ming-Zhu, LEI Wu, SUN Yuan-Peng, WANG Feng-Yun. Synthesis of Phosphono Carboxylic Acid Cotelomer and Its Property[J]. Chinese Journal of Applied Chemistry,
;2000, 17(4): 405-408.
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A phosphono carboxylic acid cotelomer(POCA) was prepared from acrylic acid(AA), 2-acrylamido-2-methylpropane sulfonic acid(AMPS), NaH2PO2 and Na2S2O8. The optimum synthetic conditions were: m(AA)/m(AMPS)=3:1, concentration of NaH2PO2=15%,concentration of Na2S2O8=2.5%, temperature 110℃, time 4 hours. The product showed a better scale inhibiting and dispersing property than HEDP(hydroxyethylidene bisphosphonic acid) and HPMA(hydrolytic polymaleic anhydride).
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