(doc) impact of salts on polyacrylamide hydrolysis

(DOC) Impact of salts on polyacrylamide hydrolysis and …

It was hypothesized that salts affect hydrolysis of PAM where they reduce the extent of hydrolysis. Moreover, it was thought that salts do affect the hydrodynamic volume of the polymer and thus reduce the number of accessible sites on the polymer.,Impact of salts on polyacrylamide hydrolysis and gelation … ,Impact of salts on polyacrylamide hydrolysis and gelation: New insights Khalid S. M.,Impact of Salts on Polyacrylamide Hydrolysis and Gelation … ,Impact of Salts on Polyacrylamide Hydrolysis and Gelation: New Insights Khalid S. M.

Impact of Salts on Polyacrylamide Hydrolysis and Gelation …

Request PDF | Impact of Salts on Polyacrylamide Hydrolysis and Gelation: New Insights | Polyacrylamide (PAM) and its derivatives are the most commonly used polymers in the preparation of polymeric …,Impact of salts on polyacrylamide hydrolysis and gelation … ,Polyacrylamide (PAM) and its derivatives are the most commonly used polymers in the preparation of polymeric gels for water control in petroleum reservoirs. This study involved the use of polyethylenimine (PEI) as a crosslinker for PAM.,Impact of salts on polyacrylamide hydrolysis and gelation … ,Search results for Impact of salts on polyacrylamide hydrolysis and gelation: New insights. Explore all categories to find your favorite topic.

Impact of salts on polyacrylamide hydrolysis and gelation …

Search results for Impact of salts on polyacrylamide hydrolysis and gelation: New insights. Explore all categories to find your favorite topic.,Impact of salts on polyacrylamide hydrolysis and gelation … ,Search results for Impact of salts on polyacrylamide hydrolysis and gelation: New insights. Explore all categories to find your favorite topic.,Impact of salts on polyacrylamide hydrolysis and gelation … ,Search results for Impact of salts on polyacrylamide hydrolysis and gelation: New insights. Explore all categories to find your favorite topic.

(DOC) Impact of salts on polyacrylamide hydrolysis and …

Impact of salts on polyacrylamide hydrolysis and gelation: New insights. Ibnelwaleed Hussein.,Impact of Salts on Polyacrylamide Hydrolysis and Gelation … ,Impact of Salts on Polyacrylamide Hydrolysis and Gelation: New Insights Khalid S. M.,Impact of salts on polyacrylamide hydrolysis and gelation … ,These salts were used as retarders to elongate the gelation time of the PAM/PEI system. The data obtained from 13 C-NMR was used to understand the retardation mechanisms by salts.

Impact of salts on polyacrylamide hydrolysis and gelation …

Polyacrylamide (PAM) and its derivatives are the most commonly used polymers in the preparation of polymeric gels for water control in petroleum reservoirs. This study involved the use of polyethylenimine (PEI) as a crosslinker for PAM.,Impact of salts on polyacrylamide hydrolysis and gelation … ,Impact of salts on polyacrylamide hydrolysis and gelation: New insights . ABSTRACT Polyacrylamide (PAM) and its derivatives are the most commonly used polymers in the preparation of polymeric gels for water control in petroleum reservoirs.,impact of salts on polyacrylamide hydrolysis and gelation ,Impact of salts on polyacrylamide hydrolysis and gelation The effects of salts [sodium chloride (NaCl) and ammonium chloride (NH 4 Cl)] on the degree of hydrolysis (DH) of PAM were investigated. These salts were used as retarders to elongate the gelation time of the PAM/PEI system.

Impact of salts on polyacrylamide hydrolysis and gelation …

Search results for Impact of salts on polyacrylamide hydrolysis and gelation: New insights. Explore all categories to find your favorite topic.,Impact of salts on polyacrylamide hydrolysis and gelation … ,Search results for Impact of salts on polyacrylamide hydrolysis and gelation: New insights. Explore all categories to find your favorite topic.,Impact of salts on polyacrylamide hydrolysis and gelation … ,Search results for Impact of salts on polyacrylamide hydrolysis and gelation: New insights. Explore all categories to find your favorite topic.

impact of salts on polyacrylamide hydrolysis and gelation

Impact of salts on polyacrylamide hydrolysis and gelation The effects of salts [sodium chloride (NaCl) and ammonium chloride (NH 4 Cl)] on the degree of hydrolysis (DH) of PAM were investigated. These salts were used as retarders to elongate the gelation time of the PAM/PEI system.,impact of salts on polyacrylamide hydrolysis and gelation … ,Impact of salts on polyacrylamide hydrolysis and gelation. These salts were used as retarders to elongate the gelation time of the PAM/PEI system.,Impact of salts on polyacrylamide hydrolysis and gelation … ,Article “Impact of salts on polyacrylamide hydrolysis and gelation: New insights” Detailed information of the J-GLOBAL is a service based on the concept of Linking, Expanding, and Sparking, linking science and technology information which hitherto stood alone to …

Effect of the degree of hydrolysis of polyacrylamide on …

Macromolecules 1991,24, 5115-5178 5775 Effect of the Degree of Hydrolysis of Polyacrylamide on Its Interactions with Poly(ethy1ene oxide) and Poly(vinylpyrro1idone) C. Maltesh and P.,The retardation of polyacrylamide by ammonium chloride in … ,Salinity effects on retardation efficiency of ammonium chloride (NH4Cl) on the polyacrylamide (PAM) that influences the gelation time of PAM-based polymer gel are an interesting phenomenon. This paper presents a concise investigation by quantifying molecular interaction of PAM with NH4Cl in high-salinity and high-temperature conditions.,alkaline hydrolysis of polyacrylamide and study ,Alkaline Hydrolysis of Polyacrylamide and Study on Poly(acrylamide-co-sodium acrylate) Properties. Alkaline Hydrolysis of Polyacrylamide and Study on P(AAn,-Co-NaAc) .Properties appropriate Mw and charge density it can be used as a strong flocculent for waste-water treatment.

alkaline hydrolysis of polyacrylamide researchgate – New …

Cyclic imide compounds form as a result of alkaline hydrolysis of polyacrylamide and acid hydrolysis of polyacrylamide . Imide can be a hydrolysis product of po,USE OF NANOPARTICLES USO DE – SciELO ,Chemical structure of polyacrylamide (PAM). are produced by adding alkali or acrylamide (AM) and acrylic acid (AA) co-polymers or its salts.,production of polyacrylamide hydrolysis from Australia … ,Production of bioactive peptide hydrolysates from deer, sheep and pig plasma using plant and fungal protease preparations – ScienceDirect. 1/6/2015 · During the first four hours of hydrolysis, the peptide production by the fungal proteases FP400 and FPII was higher than that of the plant proteases (papain and bromelain).

impact of salts on polyacrylamide hydrolysis and gelation …

Impact of salts on polyacrylamide hydrolysis and gelation. These salts were used as retarders to elongate the gelation time of the PAM/PEI system.,effect of salts on polyacrylamide hydrolysis for mexico … ,effect of salts on polyacrylamide hydrolysis for mexico market. Development and Performance of Salt-Resistant Polymers.,interactions between inorganic salts and polyacrylamide ,Polyacrylamide degradation and its implications inZhang, H., Zhong, Z. & Xing, W.

Effect of salt and temperature on molecular aggregation …

Abstract Three kinds of acrylamide copolymers were synthesized in this paper, acrylamide (AM) homopolymer, acrylamide/acrylic acid (AA) copolymer and acrylamide/2-acrylamide-2-methylpropanesulfonic acid (AMPS) copolymer by free radical polymerization. The aggregation behaviours of these polymers in salts water solution were studied.,Effect of the degree of hydrolysis of polyacrylamide on … ,Macromolecules 1991,24, 5115-5178 5775 Effect of the Degree of Hydrolysis of Polyacrylamide on Its Interactions with Poly(ethy1ene oxide) and Poly(vinylpyrro1idone) C. Maltesh and P.,The retardation of polyacrylamide by ammonium chloride in … ,Salinity effects on retardation efficiency of ammonium chloride (NH4Cl) on the polyacrylamide (PAM) that influences the gelation time of PAM-based polymer gel are an interesting phenomenon. This paper presents a concise investigation by quantifying molecular interaction of PAM with NH4Cl in high-salinity and high-temperature conditions.

production of polyacrylamide hydrolysis from Australia …

Production of bioactive peptide hydrolysates from deer, sheep and pig plasma using plant and fungal protease preparations – ScienceDirect. 1/6/2015 · During the first four hours of hydrolysis, the peptide production by the fungal proteases FP400 and FPII was higher than that of the plant proteases (papain and bromelain).,hydrolysed polyacrylamide gel | Industrial water treatment … ,Polyacrylamide PAM acidic hydrolysis, in addition to the AM structure produced by hydrolysis of carboxyl, but also prone to imidization. This reaction increases with the increase of the acidity of the ring, and even becomes the main reaction in the acid condition.,Theoretical studies of hydrolysis and stability of … ,Fig. 1. Molecular structures of (a) Polyacrylamide (PAM), (b) Hydrolyzed Polyacrylamide, and (c) Partially Hydrolyzed Polyacrylamide (HPAM). Where X and Y are numbers of amide and carboxylic groups in polymer. Because our studies mainly focus on the hydrolysis reaction of the amide group, we model the PAM with a dangling –CONH 2 group …

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