production of dispersion polymerization of high purity anionic polyacrylamide

Asian Journal of Chemistry; Vol. 25, No. 13 (2013), 7071-7074 dx.doi.org/10.14233/ajchem.2013

INTRODUCTION Anionic polyacrylamide (APAM) is a kind of polyacryl-amide (P AM) and sho ws electr one ga tive w hic h contains func-tional groups of sulfonic acid, phosphoric acid or carboxylic acid1.Due to more charge, the molecular chain of

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Dispersion Polymerization – an overview | ScienceDirect Topics

Generally, medium-to-high shear mixing is required in aqueous dispersion polymerization of acrylic polymers as the viscosity of the slurry is moderately high (20–120 cP). To date, the mechanism of the formation of monodispersed particles by

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Synthesis and characterization of amphoteric polyacrylamide by dispersion polymerization in aqueous salts solution

Synthesis and characterization of amphoteric polyacrylamide by dispersion polymerization in aqueous salts solution Y. Zou, Y.H. Zhang and P.X. He* Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional

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Dispersion polymerization of anionic polyacrylamide in an aqueous salt medium

Anionic polyacrylamide dispersions were prepared by dispersion polymerization in an aqueous salt medium, using acrylamide (AM) and acrylic acid (AA) as monomers and anionic polyelectrolytes as

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CN1865299A – Super high molecular weight polyacrylamide industrialized production process

The invention discloses an industrial manufacturing technology of polyacrylamide (over 25,000 thousand molecular weights), which is characterized by the following: introducing functional monomer under insulation condition; finishing polymerizati

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Polyacrylamide Emulsion – Sinofloc Chemical

Polyacrylamide emulsion is prepared by dispersion or inverse emulsion polymerization, which is a form of polyacrylamide liquid present. Besides the characteristics of solid polyacrylamide flocculants, through the molecular chain of polar groups

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Aqueous dispersion of a particulate high molecular weight anionic or nonionic polymer – Nalco Chemical Company

What is claimed is: 1. An aqueous dispersion of a particulate high molecular weight water soluble anionic or nonionic polymer, wherein the dispersion has a bulk Brookfield viscosity of from about 10 to about 25,000 cps at 25 C. and comprises

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Photoinitiated Polymerization of Cationic Acrylamide in Aqueous Solution: Synthesis, Characterization, and Sludge Dewatering Performance

High purity nitrogen was used in the synthesis of the polymer in order to drive away the air existing in the reactor. 2.2. Synthesis of the Copolymer P(AM-DAC) was synthesized from two monomers, namely, AM and DAC, in an aqueous reaction system.

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Effect of hydrophobic monomer on the aqueous dispersion polymerization of acrylamide with quaternary ammonium cationic monomer

17/2/2015 · Aqueous dispersion polymerization has been considered as a promising green technology for preparing water-soluble polymers such as cationic polyacrylamide (CPAM). Dispersion copolymerization of acrylamide and 2-methylacryloylxyethyl trimethyl

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Polyacrylamide Handbook – SNF Holding Company

Polyacrylamide Emulsions Handbook 3 z Dewatered emulsions For dewatered emulsions, the situation is different. They are not concerned by raincycle. As the content of water is very low there is no formation of skins and lumps during freezing or

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