• (pdf) gelation of emulsified polyacrylamide

    (PDF) Gelation of Emulsified Polyacrylamide

    The gelation kinetics and gel strength of the organically cross-linked polyacrylamide (PAM) with polyethyleneimine (PEI) emulsified into diesel is studied, we believe that this is the first

  • gelation of emulsified polyacrylamide/polyethylenimine

    Gelation of Emulsified Polyacrylamide/Polyethylenimine

    Emulsified gels are proposed as a method of water shut-off in oil and gas reservoirs and are designed to separate into a water phase and an oil phase under reservoir conditions. A first of its kind rheological study on the gelation kinetics and strength of organically cross-linked polyacrylamide (PAM) with polyethylenimine (PEI) emulsified into a diesel phase is presented. A lower rate of

  • delayed gelation of polyacrylamide/modified

    Delayed gelation of polyacrylamide/modified

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  • dsc investigation of the gelation kinetics of emulsified

    DSC investigation of the gelation kinetics of emulsified

    2015-08-23· Breaking of the emulsion and the subsequent gelation is a function of temperature, time, salinity of mixing water, and concentration of the various components, including surfactants and salts. The gelant was prepared by mixing polyacrylamide (PAM) with a mixing brine and then adding polyethylenimine (PEI) as a cross-linker. Diesel and a surfactant were used to form the emulsified

  • stability of pam/pei emulsified gels under hths conditions

    Stability of PAM/PEI emulsified gels under HTHS conditions

    The emulsification reduces both the gel strength and the gelation rate. The cross-linking (gelation) rate in the unemulsified PAM/PEI is almost ten times higher than that in the emulsified gels. This gelation process is slow in the case of stable emulsified PAM/PEI solution and is believed to be the result of limited heat and mass transfer. The

  • gelation of oil-in-water emulsions stabilized by whey protein

    Gelation of oil-in-water emulsions stabilized by whey protein

    The most common way to gel oil-in-water emulsions stabilized by whey similar way called hydrogel or hydrogel-filled were used as control in order to evaluate the effect of oil phase on the gelation process. Emulsion gels were prepared by the addition of GDL directly to the stock emulsion under magnetic stirring for 2 min. Emulsion-filled gels were prepared by the dispersion of stock

  • polyacrylamide

    Polyacrylamide

    Polyacrylamide can be supplied in a powder or liquid form, with the liquid form being subcategorized as solution and emulsion polymer. Even though these products are often called 'polyacrylamide', many are actually copolymers of acrylamide and one or more other

  • dsc investigation of the gelation kinetics of emulsified

    DSC investigation of the gelation kinetics of emulsified

    2015-12-01· Read "DSC investigation of the gelation kinetics of emulsified PAM/PEI system, Journal of Thermal Analysis and Calorimetry" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • gelation of oil-in-water emulsions stabilized by heat

    Gelation of oil-in-water emulsions stabilized by heat

    Gelation of emulsions by citric acid through the generation of covalent bonds was confirmed by OPA colorimetric method and FT-IR spectroscopy. Emulsion gels prepared by citric acid-mediated cross-linking were firmer than those formed by CaCl 2 and also showed a higher ability to hold water and retain oil. Scanning electron microscopy also

  • polyacrylamide handbook snf holding company

    Polyacrylamide Handbook SNF Holding Company

    Polyacrylamide Emulsion Dewatered Storage powders Anionic. 2 Polyacrylamide Emulsions Handbook Storage and handling 4. Storage and handling of emulsions : basic principles zzzEmulsions must be stored inside a building at a constant temperature between 5°C and 30°C. zzDuring the storage and handling, the emulsion must not be contaminated by water. zzEmulsions must not be in a

  • development of pickering emulsified polymeric gel system

    Development of pickering emulsified polymeric gel system

    The emulsified polymer gel system (pickering emulsion) was tested for its application as a conformance control system in the high temperature reservoirs and following conclusions were derived from this research work: 1. The emulsified polymer gel system is a water-in-oil emulsion. 2. The Cloisite 20A was found to be an effective emulsion

  • gelation kinetics of pam/pei system request pdf

    Gelation kinetics of PAM/PEI system Request PDF

    The cross-linking (gelation) rate in the unemulsified PAM/PEI is almost ten times higher than that in the emulsified gels. This gelation process is slow in the case of stable emulsified PAM/PEI

  • gelation of protein emulsion by transglutaminase

    Gelation of Protein Emulsion by Transglutaminase

    Gelation of Protein Emulsion by Transglutaminase Noriki Nio, Masao Motoki and Koichi Takinami Central Research Laboratories, Ajinomoto Co., Inc., Suzuki-cho, Kawasaki-ku, Kawasaki 210, Japan

  • gelation of oil-in-water emulsions stabilized by heat

    Gelation of oil-in-water emulsions stabilized by heat

    Gelation of emulsions by citric acid through the generation of covalent bonds was confirmed by OPA colorimetric method and FT-IR spectroscopy. Emulsion gels prepared by citric acid-mediated cross-linking were firmer than those formed by CaCl 2 and also showed a higher ability to hold water and retain oil. Scanning electron microscopy also

  • stability of pam/pei emulsified gels under hths

    Stability of PAM/PEI emulsified gels under HTHS

    2018-12-19· The emulsification reduces both the gel strength and the gelation rate. The cross-linking (gelation) rate in the unemulsified PAM/PEI is almost ten times higher than that in the emulsified gels. This gelation process is slow in the case of stable emulsified PAM/PEI solution and is believed to be the result of limited heat and mass transfer. The

  • gelation of oil-in-water emulsions stabilized by whey

    Gelation of oil-in-water emulsions stabilized by whey

    The most common way to gel oil-in-water emulsions stabilized by whey similar way called hydrogel or hydrogel-filled were used as control in order to evaluate the effect of oil phase on the gelation process. Emulsion gels were prepared by the addition of GDL directly to the stock emulsion under magnetic stirring for 2 min. Emulsion-filled gels were prepared by the dispersion of stock

  • gelation of emulsified polyacrylamide/polyethylenimine

    Gelation of Emulsified Polyacrylamide/Polyethylenimine

    A first of its kind rheological study on the gelation kinetics and strength of organically cross-linked polyacrylamide (PAM) with polyethylenimine (PEI) emulsified into a diesel phase is presented. A lower rate of cross-linking is achieved when emulsified PAM/PEI systems are compared with nonemulsified PAM/PEI systems. For the stable emulsified

  • impact of salts on polyacrylamide hydrolysis

    Impact of Salts on Polyacrylamide Hydrolysis

    Impact of Salts on Polyacrylamide Hydrolysis and Gelation: New Insights Article in Journal of Applied Polymer Science 131(23) · July 2014 with 276 Reads How we measure 'reads'

  • dsc investigation of the gelation kinetics of emulsified

    DSC investigation of the gelation kinetics of emulsified

    2015-12-01· Read "DSC investigation of the gelation kinetics of emulsified PAM/PEI system, Journal of Thermal Analysis and Calorimetry" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • dsc investigation of the gelation kinetics of emulsified

    DSC investigation of the gelation kinetics of emulsified

    Breaking of the emulsion and the subsequent gelation is a function of temperature, time, salinity of mixing water, and concentration of the various components, including surfactants and salts. The gelant was prepared by mixing polyacrylamide (PAM) with a mixing brine and then adding polyethylenimine (PEI) as a cross-linker. Diesel and a surfactant were used to form the emulsified gel. In this

  • “development and evaluation of sodium alginate

    “Development and Evaluation of Sodium Alginate

    The polymeric network of sodium alginate–co-polyacrylamide (NaAlg-g-PAM) has been interlinked by covalent and hydrogen bonds which also strength the gel network. Simple ionotropic gelation method has been used for the preparation of NaAlg-g-PAM hydrogel beads. Its swelling and gelation were dependent on monomer and crosslinker concentrations

  • research on the crosslinking mechanism

    Research on the crosslinking mechanism

    2010-03-10· Resol crosslinked polyacrylamide (PAM) hydrogel can be used as the chemical flooding agent in enhanced oil recovery because of its excellent temperature- and salt-resistant properties. It

  • dsc investigation of the gelation kinetics of emulsified

    DSC investigation of the gelation kinetics of emulsified

    Breaking of the emulsion and the subsequent gelation is a function of temperature, time, salinity of mixing water, and concentration of the various components, including surfactants and salts. The gelant was prepared by mixing polyacrylamide (PAM) with a mixing brine and then adding polyethylenimine (PEI) as a cross-linker. Diesel and a surfactant were used to form the emulsified gel. In this

  • polyacrylamide gel polymer as water shut-off system

    Polyacrylamide Gel Polymer as Water Shut-off System

    polyacrylamide gel polymer using bottle testing method. Finally, the performance of the polyacrylamide gel polymer as water shut-off system was investigated in one of the Iranian oil reservoirs condition considering high temperature and high salinity. EXPERIMENTAL STUDIES Materials Partially hydrolyzed polyacrylamide was used as

  • reinforcement of polyacrylamide-co-tert-butyl acrylate

    Reinforcement of Polyacrylamide-Co-Tert-Butyl Acrylate

    DSC investigation discloses that silica is an inert and has no effect on the gelation reactions. Thus, silica has physical interactions with the polymer in the form of hydrogen bonding which enhances the strength of the gel in comparison with silica-free gels. Therefore, this study introduces a new polymeric formulation that serves as a water shut-off agent for reservoirs at low and high

  • es2365840t3 method for continuous dissolution

    ES2365840T3 Method for continuous dissolution

    In an advantageous embodiment, the standard product is a polyacrylamide emulsion containing 70% acrylamide and 30% acrylic acid. The inverse emulsion according to the invention generally incorporates an inverting agent in a concentration such that the emulsion remains stable.

  • the synthesize and property evaluation of high temperature

    The Synthesize and Property Evaluation of High Temperature

    The formulation of profile control agentin this experimental is selected from 0.2% polyacrylamide and 45% water-soluble phenolic resin, measured according to the method of the gelation strength of profile control agent and measured the gelation strength of had been cut and not cut profile control agent, thus evaluate the shear re-sistance.

  • anionic /cationic emulsion polyacrylamide youju

    Anionic /Cationic Emulsion Polyacrylamide Youju

    Anionic /cationic emulsion polyacrylamide is one kind of high efficiency liquid flocculants with high concentration ,polymerized in the oil by using water-in-oil emulsion advanced technology and W/O emulsifer, with high conversion rate ,high molecular weight,high stability ,multi-function, instant etc.

  • research lab greengo lab

    Research lab GreenGo Lab

    Emulsion destabilization caused the release of CaCl2, which crosslinked sodium alginate and formed gels in which the contaminants were incorporated. The gelation rate and the magnitude of the viscoelastic moduli depended on the contaminant type and concentration, and on the mixing time. Gelation occurred fastest with the highest toluene

  • dr. abdullah sultan cpg

    Dr. Abdullah Sultan CPG

    Dr. Sultan is an Associate Professor in the Department of Petroleum Engineering. His research group focuses on complex and reactive fluids to address problems in the oil and gas industry with a focus on enhanced oil/gas recovery, drilling fluids, well stimulation, gel, emulsions, and flow assurance.

  • hydrogels prepared by crosslinking copolymerization of n

    Hydrogels prepared by crosslinking copolymerization of N

    Hydrogels prepared by crosslinking copolymerization of N-allyl maleamic acid with acrylamide and acrylic acid NIYAZI BICAK¤, B. FILIZ SENKAL and MUSTAFAGAZI Istanbul Technical University, Department of Chemistry, 34469, Maslak-Istanbul, Turkey Abstract— Copolymerization of N-allyl maleamic acid (AMA) with acrylamide and acrylic acid

  • polyacrylamide exotemplate-assisted synthesis

    Polyacrylamide exotemplate-assisted synthesis

    into the emulsion-templated porous polyacrylamide scaffold followed by its gelation, drying and calcination. The nanoscale TiO 2 building units tailor the shape of the porous polymeric network after calcination thereby retaining the macroscale morphology of polymer beads after template removal. A

  • an experimental study of the in-situ gelation of chromium

    An experimental study of the in-situ gelation of chromium

    OSTI.GOV Conference: An experimental study of the in-situ gelation of chromium(+3)-polyacrylamide polymer in porous media

  • es2365840t3 method for continuous dissolution

    ES2365840T3 Method for continuous dissolution

    In an advantageous embodiment, the standard product is a polyacrylamide emulsion containing 70% acrylamide and 30% acrylic acid. The inverse emulsion according to the invention generally incorporates an inverting agent in a concentration such that the emulsion remains stable.

  • preparation and characterization of nanocomposite

    Preparation and characterization of nanocomposite

    To optimize the injectivity of the intercalated polyacrylamide solution before the onset of gelation with the gel strength of the final developed gel, sodium lactate was employed as retarder. This was found to be effective to balance these two characteristics of the NC gels, which are aimed to be used for water shut‐off and as profile

  • an investigation of the crosslinking of polyacrylamide

    An investigation of the crosslinking of polyacrylamide

    An investigation of the crosslinking of polyacrylamide with formaldehyde using 13 C nuclear magnetic resonance spectroscopy. Authors. Dodd W. Fong, Nalco Chemical Company, One Nalco Center, Napervilie, Illinois 60566; Search for more papers by this author

  • ghaithan a. al-muntasheri scinapse

    Ghaithan A. Al-Muntasheri Scinapse

    Emulsified gels are proposed as a method of water shut-off in oil and gas reservoirs and are designed to separate into a water phase and an oil phase under reservoir conditions. A first of its kind rheological study on the gelation kinetics and strength of organically cross-linked polyacrylamide (PAM) with polyethylenimine (PEI) emulsified into

  • polyacrylamide products youju chemical

    Polyacrylamide Products Youju chemical

    Nonionic polyacrylamide is a high polymer with high molecular weight and low ion exponent ,which has function of flocculation ,dispersal ,thickening,bonding,film forming,gelation and colloidal stability . it’s flocculation has little influence by pH value and salt,and in the process of

  • research lab greengo lab

    Research lab GreenGo Lab

    Emulsion destabilization caused the release of CaCl2, which crosslinked sodium alginate and formed gels in which the contaminants were incorporated. The gelation rate and the magnitude of the viscoelastic moduli depended on the contaminant type and concentration, and on the mixing time. Gelation occurred fastest with the highest toluene

  • the synthesize and property evaluation of high temperature

    The Synthesize and Property Evaluation of High Temperature

    The formulation of profile control agentin this experimental is selected from 0.2% polyacrylamide and 45% water-soluble phenolic resin, measured according to the method of the gelation strength of profile control agent and measured the gelation strength of had been cut and not cut profile control agent, thus evaluate the shear re-sistance.

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