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The copolymer prepared by copolymerizing styrene and maleic anhydride was imidized with N,N -dimethylaminopropyl amine. The styrene-N,N -dimethylaminopropyl maleimide (SDMAPM) copolymer obtained was then reacted with propane sultone to yield a styrene-[N,N -dimethyl(maleimidopropyl)ammonium propane sulfonate] (SDMMAPS) copolymer. The cloud point and intrinsic viscosity of this ampholytic SDMMAPS...
The copolymer prepared by copolymerizing acrylamide with maleic anhydride was imidized with N,N-dimethylaminopropylamine. The obtained acrylamide-N,N-dimethylaminopropylmaleimide (ADAPM) copolymer was then reacted with propane sultone to yield a novel acrylamide-N,N-dimethylmaleimidopropylammonium propanesulfonate (ADMMAPS) copolymer. The properties of this ampholytic ADMMAPS copolymer in aqueous...
The properties of ampholytic poly[N,N -dimethyl(acrylamido propyl) ammonium propane sulfonate] (poly(DMAAPS)) in aqueous solution were studied by measurements of cloud point determination and intrinsic viscosity. The minimum salt concentration and intrinsic viscosity of this polyampholyte were related to the type and concentration of added salt. Soft salt cations and anions bound more easily...
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