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anionic polyacrylamide thermal stability in philippines

  • Impact of anionic polyacrylamide on stability and

    The stability mechanism and thermal properties of the system alumina-anionic polyacrylamide (PAM) was studied. The polymer's adsorption properties in dependence on the following parameters solution pH (in the range 3-9), temperature (in the range 15-35 °C), and carboxyl groups' content in the PAM chains (in the range 5-30 %) were examined.

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  • Impact of anionic polyacrylamide on stability and surface ...

    2017-8-26 · stability properties of anionic polyacrylamide (PAM; with a differing content of carboxyl groups) in the aqueous suspen-sion of aluminum(III) oxide in the temperature range 15– 35 °C. Thermogravimetric analysis of the examined systems wasalsoperformedtoobtaintheadditionalinformationabout PAM adsorption mechanism. The …

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  • Thermal stability of high-molecular-weight

    The above reported data show that temperature affects the stability of commercial polyacrylamide solutions in two different ways: The first process that increases the anionic character of polymers is responsible for the viscosity loss in the presence of monovalent salts and for eventual precipitation in the presence of divalent salts even if the molecular weight is not changed.Such a process will be …

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  • Investigation of the degradation and stability of ...

    2016-12-1 · Investigation of the degradation and stability of acrylamide-based polymers in acid solution: Functional monomer modified polyacrylamide ... Acrylamide copolymers with cationic or anionic monomers exhibit good thickening, acid resistance, ... Kinetic and mechanistic studies of the thermal stabilization of polyacrylamide by metal ions. Polym ...

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  • Design and Study of a Novel Thermal-Resistant and Shear ...

    2017-7-21 · The cationic or anionic polyacrylamide exhibited perfect temperature resistance and thickening ability in fresh water. Copolymers bearing only positive or negative charges possess only electrostatic repulsive forces in their molecular chains. The polymer chain expands to have a large hydrodynamic volume in fresh water.

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  • Thermal stability of polyacrylamide solutions: effect of ...

    We have investigated the effect of temperature on the chemical (hydrolysis) and thermal (molecular weight) stability of purified polyacrylamide solution.From viscosity and light scattering data we show that no polymer degradation due to oxygen contamination results from heating polymer solutions although higher temperature is responsible for hydrolysis of amide groups.

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  • Anionic Polymer Flocculant & Polyacrylamide Powder ...

    2018-9-7 · The hydrolyzed form of polyacrylamide (HPAM), a co-polymer of acrylamide and acrylic acid, is the most widely used anionic PAM in oil and gas development as well as …

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  • Polyacrylamide degradation and its implications in ...

    1998-5-1 · Representative results are shown in Fig. 1 Fig. 2, where the TG and DTG curves for the thermal decomposition of a 6 mg polyacrylamide sample are shown with 5, 10, 20 and 40°C/min under 60 ml/min nitrogen gas.The residual mass after pyrolysis is expressed as residual mass percent, wt%. The variation of wt% with reaction temperature (T) is shown in Fig. 1.

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  • The Two-Stages Thermal Degradation of

    2000-2-1 · Fig. 1 Fig. 2 Fig. 3 Fig. 4 show the TG and DTG curves for the thermal decomposition of the 6 mg polyacrylamide sample heated at 10, 20 and 40°C/min under 60 ml/min nitrogen gas. The residual mass after pyrolysis is expressed by a residual mass percent, wt%. The variation in wt% with reaction temperature (T) is shown in Fig. 1, Fig. 2.Obviously, there are two principal reaction stages as ...

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  • A KINETIC ANAYSIS OF THE DEGRADATION OF GRAFTED

    2015-1-30 · Grafted anionic polyacrylamide gel has been synthesised in the laboratory following radical polymerisation process. Kinetics of thermal degradation of synthesised gel was evaluated under nonisthothermal condition by integral approximation method to determine the thermal stability of the material from thermogavometric study.

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  • Evaluation of the Gel Profile Control Agent

    2020-8-14 · 1.1 Thermal Stability of Profile Control Agent Anionic delayed cross-link polymer gel profile control agent is one modified kind of compound ion profile control agent, which the main agent compound ion polymer is displaced with anionic polyacrylamide on the condition of …

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  • Simultaneous thermal analysis of cationic, nonionic

    2019-12-1 · In contrast simultaneous thermal analysis can be applied to determine the effective PAM content in smectite-PAM composites. At the same time, information on the thermal stability of PAM and of smectite-PAM composites are available. Tutas et al. (1987) studied the decomposition of polyacrylamide (PAM) up to 600 °C under N 2 using simultaneous ...

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  • Synthesis of anion polyacrylamide under UV

    Compared with thermal initiation, UV-initiation was proved to be more effective in promoting surface modification, increasing the polymerization degree, improving thermal stability, and …

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  • Design and Study of a Novel Thermal-Resistant and

    2017-7-21 · In this work, a novel thermal-resistant and shear-stable amphoteric polyacrylamide (PASD), prepared from acrylamide (AM), sodium styrene sulfonate (SSS), and acryloxyethyl trimethylammonium chloride (DAC) monomers, was prepared by free-radical polymerization in high-salinity solution.

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  • Polyacrylamide : Manufacturers, Suppliers,

    Polyacrylamide application Anionic polyacrylamide 1, mainly used as a flocculant: for suspended particles, coarse, high concentration, particle with positive charge, water pH is neutral or alkaline water, due to the anionic polyacrylamide molecular chain containing a certain amount of polar groups to adsorption of solid particles suspended in ...

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  • Thermodynamic stability of polyacrylamide and

    Thermodynamic stability of polyacrylamide and poly(N,N‐dimethyl acrylamide) ... Thermal degradation to form a radical would require the cleavage of carbon–carbon bonds in the polymer chain; the energy needed for this cleavage was found to depend on the structure of the repeat unit which ranged from low of 72.5 kcal for a rare head‐to ...

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  • Interactions of polyacrylamide polymer with

    2001-4-1 · The polymer studied in this work was polyacrylamide (PAM). PAM is an anionic structured polymer that can be dissolved in water. It displays a more anionic structure when its hydrolysis goes up. The nature and the quality of the PAM are determined by …

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  • Polyacrylamide beads: Polymer entrapment increases the ...

    Polyacrylamide Thermal stability Recycling efficiency a b s t r a c t Immobilization is a unique method for the improvement of product yield. During solid phase catalysis,

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  • Increase in thermal stability of Moloney murine

    We hypothesized that the thermal stability of Moloney murine leukaemia virus reverse transcriptase (MMLV RT) will increase with increases in its ability to bind with a template-primer (T/P). To test this hypothesis, we introduced positive charges into MMLV RT by site-directed mutagenesis at position …

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  • CCT Case Study - Cation Friendly Anionic Polymer Use

    2020-10-3 · Anionic polyacrylamide is hydrolyzed to increase its ability to crosslink and reduce its susceptibility to interactions with cations present. Cationic polyacrylamides also go through a process of blending with surfactants which make them more stable cation heavy environments. The adverse conditions will expose the thermal stability of

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  • Fabricating an anionic polyacrylamide (APAM) with

    Fabricating an anionic polyacrylamide (APAM) with an anionic block structure for high turbidity water separation and purification†. Li Feng ab, Huaili Zheng * ab, Baoyu Gao c, Shixin Zhang ab, Chuanliang Zhao ab, Yuhao Zhou ab and Bincheng Xu ab a Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China.

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  • Advantages of using anionic polyacrylamide as a

    2019-9-5 · Second, the advantages of anionic polyacrylamide used as a binder in perfumery Advantages of the adhesive anionic polyacrylamide when used in perfumery: 1, good thermal stability, in the larger temperature range (-18-130 ° C) does not affect winter production and high temperature drying. 2.

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  • Stability of Partially Hydrolyzed Polyacrylamides at ...

    2009-6-29 · years at 120°C. Within our experimental error, HPAM stability was the same with/without oil (decane). An acrylamide-AMPS copolymer (with 25% AMPS) showed similar stability to that for HPAM. Stability results were similar in brines with 0.3% NaCl, 3% NaCl, or 0.2% NaCl + 0.1% NaHCO3. At temperatures of 160°C and above, the polymers were more ...

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  • Synthesis and Characterization of Acrylamide-Based

    2014-7-21 · The copolymer of acrylamide (AM) and 2-acrylamido-2-methyl-1-propane sulfonic acid (AMPS) was synthesized through radical solution polymerization by potassium persulfate as initiator. By changing the AMPS feed ratio from 10 to 70%, and keeping other reaction conditions constant, different copolymers were synthesized. The techniques of Fourier transform infrared (FTIR) and nuclear …

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  • Polyacrylamide crosslinked by bis-vinylimidazolium

    2019-9-3 · A series of ionic compounds 1,n-dialkyl-3,3′-bis-l-vinylimidazolium bromide (C n VIM) are prepared and employed to crosslink acrylamide for polyacrylamide (PAAM) hydrogel preparation via in situ solution polymerization. The swelling behavior, mechanical properties and thermal stability of the prepared C n VIM crosslinked PAAM hydrogels are investigated.

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  • China Anionic Polyacrylamide Manufacturer and

    2021-6-4 · Anionic Polyacrylamide Manufacturers, Factory, Suppliers From China, Our ultimate goal is to rank as a top brand and to lead as a pioneer in our field. We are sure our successful experience in tool production will win customer's trust, Wish to co-operate and co-create a better future with you!

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  • Removal of anionic dyes from aqueous solutions using ...

    2017-3-27 · The thermal stability of the synthesized hydrogels was examined by TGA. The results of TGA for hydrogels are represented in Fig. 3. The thermal degradation of PAM hydrogel occurred in three weight loss regions: the first weight loss between 50 and 208oC was attributed to the loss of physically adsorbed and interlayer water,

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  • Anionic Polyacrylamide : Manufacturers, Suppliers ...

    anionic polyacrylamide Product features anionic polyacrylamide series product is easily soluble in water and nearly insoluble in benzene, diethyl ether and acetone. It is widely used in oil extraction, mineral separation, coal washing, metallurgy, chemical, paper making, textile, sugar making, medical, construction material and agricultural ...

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  • Thermal Stability of Immobilized Glucoamylase

    2014-9-9 · Glucoamylase[α-1,4: 1,6-glucan-4: 6-glucohydroease, EC 3.2.1.3] from Rhizopus niveus was entrapped in polyacrylamide gels and adsorbed onto SP-Sephadex C–50 to elucidate the thermostability mechanism of immobilized enzymes. The thermal stability of immobilized glucoamylase entrapped in polyacrylamide gels was enhanced slightly compared with glucoamylase in free solution, and was …

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  • Impact of anionic and cationic polyacrylamide on the ...

    2015-1-17 · In the present study, particular emphasis was put on the effects of the type of functional groups of anionic and cationic polyacrylamide (PAM) and solution pH on the mechanism of polymer adsorption on the surface of dispersed alumina. The polymer-adsorbed amount, surface charge density and zeta potential of solid particles without and with PAM, as well as the stability of Al2O3 suspension ...

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  • Evaluation of the Gel Profile Control Agent

    Based on the system of anionic delayed cross-link polymer gel type deep profile control agent, experiments are conducted to evaluate the performance of long-term thermal stability, shearing resistance, and compatibility with natural debris of profile control agent and compatibility with ASP compound system.

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  • Application of Polyacrylamide in agricultural

    2015-5-2 · Polyacrylamide as colorless granule solution for viscous liquid, nearly transparent, non-toxic, non corrosive, at 150 DEG C to thermal decomposition in the environment, good stability. A cationic, anionic, nonionic, zwitterionic and other types of ultra high molecular weight polyacrylamide, with different polymerization degree, with molecular ...

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  • Sinofloc Polyacrylamide with AMPS - Sinofloc Chemical

    However, although the most commonly used polyacrylamide has a certain oil displacement effect, the viscosity of polyacrylamide decreases rapidly with the increase of the mineralization degree of formation water. At the same time, the oil well temperature of the oil layer is higher and the thermal stability of polyacrylamide is affected.

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  • Anionic Polyacrylamide : Manufacturers, Suppliers ...

    anionic polyacrylamide Product features anionic polyacrylamide series product is easily soluble in water and nearly insoluble in benzene, diethyl ether and acetone. It is widely used in oil extraction, mineral separation, coal washing, metallurgy, chemical, paper making, textile, sugar making, medical, construction material and agricultural ...

    Get Price
  • China Anionic Polyacrylamide Manufacturer and

    2021-6-4 · Anionic Polyacrylamide Manufacturers, Factory, Suppliers From China, Our ultimate goal is to rank as a top brand and to lead as a pioneer in our field. We are sure our successful experience in tool production will win customer's trust, Wish to co-operate and co-create a better future with you!

    Get Price
  • asia pacific polyacrylamide market price value analysis ...

    The key factor fueling the growth of the Asia Pacific polyacrylamide industry is rising wastewater treatment plants in the region. Get more details on this repo

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  • Thermal Stability of Immobilized Glucoamylase

    2014-9-9 · Glucoamylase[α-1,4: 1,6-glucan-4: 6-glucohydroease, EC 3.2.1.3] from Rhizopus niveus was entrapped in polyacrylamide gels and adsorbed onto SP-Sephadex C–50 to elucidate the thermostability mechanism of immobilized enzymes. The thermal stability of immobilized glucoamylase entrapped in polyacrylamide gels was enhanced slightly compared with glucoamylase in free solution, and was …

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  • Polyacrylamide (PAM) by king union group corp.

    Application: Anionic Polyacrylamide (PAM) are mainly used as flocculent to separate solid from liquid in the fields of mineral separation, metallurgy, chemicals and foodstuff; and used for waste-water processing in iron and steel, textile and paper industries; in oil industry, it is used for drilling and EOR; in chemical industry, it is used as ...

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  • Advantages of using anionic polyacrylamide as a

    2019-9-5 · Second, the advantages of anionic polyacrylamide used as a binder in perfumery Advantages of the adhesive anionic polyacrylamide when used in perfumery: 1, good thermal stability, in the larger temperature range (-18-130 ° C) does not affect winter production and high temperature drying. 2.

    Get Price
  • Polyacrylamide | Tradeasia International

    Anionic polyacrylamide is suitable for higher density, inorganic suspension substance with positive charge and is neutral or basic, with thick suspension particles of 1mm-10mm. Polyacrylamide comes in various forms such as granular, liquid oil emulsion, tablet, and block forms.

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  • Removal of anionic dyes from aqueous solutions using ...

    2017-3-27 · The thermal stability of the synthesized hydrogels was examined by TGA. The results of TGA for hydrogels are represented in Fig. 3. The thermal degradation of PAM hydrogel occurred in three weight loss regions: the first weight loss between 50 and 208oC was attributed to the loss of physically adsorbed and interlayer water,

    Get Price
  • A KINETIC ANAYSIS OF THE DEGRADATION OF

    Abstract. Grafted anionic polyacrylamide gel has been synthesised in the laboratory following radical polymerisation process. Kinetics of thermal degradation of synthesised gel was evaluated under nonisthothermal condition by integral approximation method to determine the thermal stability of the material from thermogavometric study.

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  • New Polymers for EOR Applications | SPE Improved

    The thermal stability of hydrogels prepared from a new polymer and polyvalent metal ions is compared with Xanthan and anionic polyacrylamide analogs. The Xanthan gels were found to he unstable at temperatures >50deg.C. The polyacrylamide system could be optimized to give good long-term stability at 90deg.C. Above this temperature, degradation ...

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  • China Anionic Polyacrylamide Manufacturer and

    2021-6-4 · Anionic Polyacrylamide Manufacturers, Factory, Suppliers From China, Our ultimate goal is to rank as a top brand and to lead as a pioneer in our field. We are sure our successful experience in tool production will win customer's trust, Wish to co-operate and co-create a better future with you!

    Get Price
  • Cas 9003-05-8,Polyacrylamide | lookchem

    Anionic and cationic polyacrylamide Polyacrylamide is non-toxic and with a high molecular weight and is highly water soluble, and can introduce a variety of ionic groups for adjusting the molecular weight to obtain specific performance; it has good adhesion to many solid surface and dissolved substances, and can adhere or bridge the suspended particles dispersed in the solution for ...

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  • Polyacrylamide (PAM) by king union group corp.

    Application: Anionic Polyacrylamide (PAM) are mainly used as flocculent to separate solid from liquid in the fields of mineral separation, metallurgy, chemicals and foodstuff; and used for waste-water processing in iron and steel, textile and paper industries; in oil industry, it is used for drilling and EOR; in chemical industry, it is used as ...

    Get Price
  • Evaluation of the Gel Profile Control Agent

    Based on the system of anionic delayed cross-link polymer gel type deep profile control agent, experiments are conducted to evaluate the performance of long-term thermal stability, shearing resistance, and compatibility with natural debris of profile control agent and compatibility with ASP compound system.

    Get Price
  • Thermal stability and heavy metal (As 5+ , Cu 2+ , Ni 2 ...

    Herein, we present the ability of natural zeolites from the Philippines to adsorb heavy metal (As 5+ , Cu 2+ , Ni 2+ , Pb 2+ and Zn 2+ ) ions for the first time. The primary component of the zeolite sample is clinoptilolite based on XRD and EDX results. Surface morphological analysis revealed that the zeolite has a rough surface with layered platelet-like morphologies.

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  • Patcharin, R., T. Juming, and A. R. Barbara, “Thermal ...

    Patcharin, R., T. Juming, and A. R. Barbara, “Thermal stability of α-amylase from Aspergillus oryzae entrapped in polyacrylamide gel”, J. Agri. Food Chem. 51: 5462-5466, 2003. has been cited by the following article: ... (BSA) as a modifier was used with glutaraldehyde as a binder to study the activity and thermal stability of ...

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  • CCT Case Study - Cation Friendly Anionic Polymer Use

    2020-10-3 · Anionic polyacrylamide is hydrolyzed to increase its ability to crosslink and reduce its susceptibility to interactions with cations present. Cationic polyacrylamides also go through a process of blending with surfactants which make them more stable cation heavy environments. The adverse conditions will expose the thermal stability of

    Get Price
  • Fabricating an anionic polyacrylamide (APAM) with an ...

    Fabricating an anionic polyacrylamide (APAM) with an anionic block structure for high turbidity water separation and purification†. Li Feng ab, Huaili Zheng * ab, Baoyu Gao c, Shixin Zhang ab, Chuanliang Zhao ab, Yuhao Zhou ab and Bincheng Xu ab a Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China.

    Get Price
  • Advantages of using anionic polyacrylamide as a

    2019-9-5 · Second, the advantages of anionic polyacrylamide used as a binder in perfumery Advantages of the adhesive anionic polyacrylamide when used in perfumery: 1, good thermal stability, in the larger temperature range (-18-130 ° C) does not affect winter production and high temperature drying. 2.

    Get Price
  • Stability of Partially Hydrolyzed Polyacrylamides at ...

    2009-6-29 · years at 120°C. Within our experimental error, HPAM stability was the same with/without oil (decane). An acrylamide-AMPS copolymer (with 25% AMPS) showed similar stability to that for HPAM. Stability results were similar in brines with 0.3% NaCl, 3% NaCl, or 0.2% NaCl + 0.1% NaHCO3. At temperatures of 160°C and above, the polymers were more ...

    Get Price
  • Synthesis and Characterization of Acrylamide-Based

    2014-7-21 · The copolymer of acrylamide (AM) and 2-acrylamido-2-methyl-1-propane sulfonic acid (AMPS) was synthesized through radical solution polymerization by potassium persulfate as initiator. By changing the AMPS feed ratio from 10 to 70%, and keeping other reaction conditions constant, different copolymers were synthesized. The techniques of Fourier transform infrared (FTIR) and nuclear …

    Get Price
  • Polyacrylamide crosslinked by bis-vinylimidazolium

    2019-9-3 · A series of ionic compounds 1,n-dialkyl-3,3′-bis-l-vinylimidazolium bromide (C n VIM) are prepared and employed to crosslink acrylamide for polyacrylamide (PAAM) hydrogel preparation via in situ solution polymerization. The swelling behavior, mechanical properties and thermal stability of the prepared C n VIM crosslinked PAAM hydrogels are investigated.

    Get Price
  • China Anionic Polyacrylamide Manufacturer and

    2021-6-4 · Anionic Polyacrylamide Manufacturers, Factory, Suppliers From China, Our ultimate goal is to rank as a top brand and to lead as a pioneer in our field. We are sure our successful experience in tool production will win customer's trust, Wish to co-operate and co-create a better future with you!

    Get Price
  • Removal of anionic dyes from aqueous solutions using ...

    2017-3-27 · The thermal stability of the synthesized hydrogels was examined by TGA. The results of TGA for hydrogels are represented in Fig. 3. The thermal degradation of PAM hydrogel occurred in three weight loss regions: the first weight loss between 50 and 208oC was attributed to the loss of physically adsorbed and interlayer water,

    Get Price
  • Anionic Polyacrylamide : Manufacturers, Suppliers ...

    anionic polyacrylamide Product features anionic polyacrylamide series product is easily soluble in water and nearly insoluble in benzene, diethyl ether and acetone. It is widely used in oil extraction, mineral separation, coal washing, metallurgy, chemical, paper making, textile, sugar making, medical, construction material and agricultural ...

    Get Price
  • Thermal Stability of Immobilized Glucoamylase

    2014-9-9 · Glucoamylase[α-1,4: 1,6-glucan-4: 6-glucohydroease, EC 3.2.1.3] from Rhizopus niveus was entrapped in polyacrylamide gels and adsorbed onto SP-Sephadex C–50 to elucidate the thermostability mechanism of immobilized enzymes. The thermal stability of immobilized glucoamylase entrapped in polyacrylamide gels was enhanced slightly compared with glucoamylase in free solution, and was …

    Get Price
  • Synthesis and Characterization of Acrylamide-Based

    2014-7-21 · The copolymer of acrylamide (AM) and 2-acrylamido-2-methyl-1-propane sulfonic acid (AMPS) was synthesized through radical solution polymerization by potassium persulfate as initiator. By changing the AMPS feed ratio from 10 to 70%, and keeping other reaction conditions constant, different copolymers were synthesized. The techniques of Fourier transform infrared (FTIR) and nuclear …

    Get Price
  • PRO GRADU ANIONIC BIOPOLYMER DERIVATIVES AND

    2020-9-25 · tested in bentonite flocculation comparing to synthetic polyacrylamide references. At the end, thermal stability of some samples is measured. Based on the results, xanthan gum, carboxymethylcellulose and guar gum derivatives appear to be the …

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  • Characteristics and applications of polyacrylamide -

    2021-4-1 · Polyacrylamide (PAM) is a linear polymer with the chemical formula (C3H5NO)n. It is a hard glassy solid at room temperature. The products include glue, latex and white powder, translucent beads and flakes. Good thermal stability. It can be dissolved in water in any proportion, and the aqueous solution is a uniform and transparent liquid.

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  • Full Scale Evaluation on Anionic Polyacrylamide

    The Polyacrylamide (PAM) is a frequently used flocculant for high concentration suspensions removal in water treatment characterized by the generation of large and dense flocs. In this paper, by using the anionic PAM as flocculant, a full-scale experimental study was carried out on flocculating ferric flocs sludge with pelleting flocculation blanket process under scale of 19~38 m3/h.

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  • Asia Pacific Polyacrylamide Market Price Value

    Polyacrylamide, as a kind of flocculant, is widely used in municipal wastewater treatment and industrial wastewater treatment. Increasingly stringent regulations to promote the development of water treatment industry, the field of municipal sewage treatment has not been affected by the financial crisis, but showed a good growth momentum.

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  • Application technology of polyacrylamide and the ...

    Folding and stability of bacterial outer membrane proteins (OMPs) are typically studied in vitro using model systems such as phospholipid vesicles or surfactant. OMP folding requires surfactant concentrations above the critical micelle concentration (cmc) and usually only occurs in neutral or zwitte …

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  • Folding of outer membrane protein A in the anionic ...

    The main purpose of experiments was determination of the adsorption mechanism of two forms of ionic polyacrylamide (PAM) on the surface of chromium(III) oxide dispersed in the aqueous medium. This was performed in relation to anionic polyacrylamide (AN PAM) and cationic one (CT PAM) in the simple systems (containing only one selected polymer) and in the mixed systems (containing both ionic ...

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  • Investigations of chromium(III) oxide removal from

    2021-7-12 · Full Article. Synthesis and Characterization of Porous Hydrogel Based on Lignin and Polyacrylamide. Qinghua Feng, a,b Jinling Li, a Heli Cheng, a Fangeng Chen, c, * and Yimin Xie a, * A porous lignin-containing hydrogel was developed for dye removal via graft copolymerization of acetic acid lignin (AAL) and acrylamide (AAm), in the presence of ethyleneglycol dimethacrylate (EGDMA) as a ...

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  • Synthesis and characterization of porous hydrogel

    2016-5-18 · The first SP system contained partially hydrolyzed polyacrylamide and alkyl polyethylene glycol ether‐based non‐ionic surfactant. The second SP system consisted of the same polymer and alcohol propoxylate sulphate‐based anionic surfactant. Rheology, thermal stability, interfacial tension (IFT), and core flooding experiments were performed ...

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