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2021-6-13 · oilfield agent pam cationic polyacrylamide from angola. Polyacrylamide in Oilfield - Sinofloc Chemical. Polyacrylamide is a versatile chemical treatment agent in oilfield. In oil extraction it could be used as a flooding agent, water shutoff regulator, drilling fluid regulator, fracturing fluid additives, especially in cementing
Get PriceCombined effect of molecular weight, degree of hydrolysis, concentration of polymer and shear rate on viscosity of polymer solution: The modified form of power-law equation for polymer viscosity that takes into account the combined effects of molecular weight, degree of hydrolysis, concentration and shear rate is presented in this section. These four parameters affect the viscosity of the polymer solution and can be combined in one equation to predict the viscosity …
Get Price2016-8-19 · polyacrylamide emulsions and powders Handling of emulsions using pumps is simpler than powders and in many cases, in-line injection can be used, avoiding the need for an aging tank. Furthermore, dissolution times are much shorter and there are almost no solubility problems. Unlike powders, emulsions are complex multicomponent products which include
Get Price2009-10-16 · Abstract. A novel cationic polyacrylamide modified with fluorinated acrylate had been synthesized of acrylamide (AM), methacryloxyethyl trimethylammonium chloride (DMC), and 2- (perfluorooctyl)ethyl acrylate (FEA) by free radical micellar copolymerization in aqueous solution utilizing cetyl trimethylammonium bromide (CTAB) as the surfactant and ...
Get Price2018-9-7 · High molecular weight (106–3 × 107 Da) polyacrylamide (PAM) is commonly used as a flocculant in water and wastewater treatment, as a soil conditioner, and as a viscosity …
Get Price2017-6-22 · In the absence of salt, the overall magnitude (i.e., absolute value) of the zeta potential increased for both shale samples in anionic polyacrylamide (Figs. 9, 11) and decreased in cationic polyacrylamide (Figs. 10, 12). In cationic polyacrylamide, the decrease in zeta potential of shale with polymer adsorption is due either to a decrease in charge density or a shift in the shear plane.
Get PricePaper industry in polyacrylamide dispersing agent is composed of cationic polyacrylamide with low relative molecular weight, due to its molecular chain containing carboxyl and on electronegative fiber with dispersion effect, can improve the viscosity of pulp, is conducive to the fiber suspension and effectively improve the sheet uniformity is a long fiber of high efficient dispersant.
Get Price2020-7-11 · Polyacylamides are high molecular weight water soluble or swellable polymers formed from acrylamide or its derivatives. Their glass transition temperature is well above room temperature (> 400 K). The only commercially important polyacrylamide is poly(2-propenamide) which is simply called polyacrylamide or PAM [-CH 2 CH(CONH 2)-]. It is a non-ionic, …
Get Price2021-6-13 · oilfield agent pam cationic polyacrylamide from angola. Polyacrylamide in Oilfield - Sinofloc Chemical. Polyacrylamide is a versatile chemical treatment agent in oilfield. In oil extraction it could be used as a flooding agent, water shutoff regulator, drilling fluid regulator, fracturing fluid additives, especially in cementing
Get PriceSINOFLOC cationic polyacrylamide is specially designed as efficient friction reducer for brines or high TDS conditions. When added to water, our products disperse readily and instantly and rapid hydrate and the drag and friction pressures will be reduced when pumping low viscosity …
Get PriceAbstract: In order to improve the aqueous solutions viscosity and flocculation performance of cationic polyacrylamide, organic montmorillonite was added into polymerization system of polyacrylamide, the cationic polyacrylamide/dimethyl diallyl ammonium chloride/organic montmorillonite (CPAM/DMDAAC/MMT) nanocomposite was prepared by aqueous two-phase …
Get Price2003-2-20 · the viscosity, which is expected to be small but significant for high-molecular-weight polymers such as those used in this work. In distilled water, the Mark-Houwink viscosity parameters for polyacrylamide are K - 6.31 X 103 dl/g and a = 0.8 at 30°C.27 Similar parameters are not available for the acrylamide co-polymers.
Get PriceViscosity behavior of alkaline, surfactant, polyacrylamide solutions used for enhanced oil recovery. Proceedings of the SPE International Symposium on Oilfield Chemistry, February 20-22, 1991, Anaheim, CA., USA -. 9: Nouri, H.H. and P.J. Root, 1971. A study of polymer solution rheology, flow behavior and oil displacement processes.
Get PricePolyacrylamide in Iran (PAM) – anionic, cationic, and nonionic. CAS Number: 9003-05-8 PubChem: 6579 (monomer) Iran HS Code: 39069000. The word polyacrylamide is a generic chemistry term, referring to a broad class of compounds. Polyacrylamide is a polymer formed from acrylamide (a compound with the molecular formula C3H5NO) subunits.
Get Price2009-10-16 · A novel cationic polyacrylamide modified with fluorinated acrylate had been synthesized of acrylamide (AM), methacryloxyethyl trimethylammonium chloride (DMC), and 2-(perfluorooctyl)ethyl acrylate (FEA) by free radical micellar copolymerization in aqueous solution utilizing cetyl trimethylammonium bromide (CTAB) as the surfactant and potassium persulfate …
Get Price2017-6-2 · In this study, the rheological behavior of polyacrylamide solutions in the absence and presence of cationic Gemini surfactants (16‐s‐16, s = 5, 6) and their monomeric counterpart, cetyltrimethylammonium bromide, at different temperatures has been studied in the light of its application field by rheometry.The polyacrylamide solution shows the shear thinning behavior at …
Get Price2017-6-2 · In this study, the rheological behavior of polyacrylamide solutions in the absence and presence of cationic Gemini surfactants (16-s-16, s = 5, 6) and their monomeric counterpart, cetyltrimethylammonium bromide, at different temperatures has been studied in the light of its application field by rheometry.The polyacrylamide solution shows the shear thinning behavior at …
Get Pricepolyacrylamide molecular weight in angola Determination of the molecular weight of 1979-1-1 · For fractionated samples of polyacrylamide in water at 30°, the equation [η] ml/g = 6.5 × 10 −3 M n 0.82 is applicable for the molecular weight range 4 × 10 4 to 127 × 10 4.
Get Price2021-6-28 · Compared with the anionic groups in the polyacrylamide molecular chain, the number of cationic groups is larger, the net charge is larger, and the polarity is larger. H2O is a polar molecule. According to the principle of similar compatibility, the polymer has better water solubility and higher intrinsic viscosity.
Get PriceAbstract: In order to improve the aqueous solutions viscosity and flocculation performance of cationic polyacrylamide, organic montmorillonite was added into polymerization system of polyacrylamide, the cationic polyacrylamide/dimethyl diallyl ammonium chloride/organic montmorillonite (CPAM/DMDAAC/MMT) nanocomposite was prepared by aqueous two-phase …
Get PricePolyacrylamide (PAM) is a water-soluble polymer made up of acrylamide subunits. It has a unique effect to increase the viscosity of water or promote the flocculation of particles present in water, it can also reduce the frictional resistance between the liquid. There are 3 different types of polyacrylamide, according to their ion ...
Get Pricesurfactants was weak and its viscosity was large. Until now, there are few works on synthesis of cationic polyacrylamide via aqueous two-phase polymerization without emulsifier. Based on the theory above mentioned, the aqueous two-phase copolymerization of acylamide (AM) and dimethylaminoethyl methacrylate methyl chlo-
Get PriceViscosity behavior of alkaline, surfactant, polyacrylamide solutions used for enhanced oil recovery. Proceedings of the SPE International Symposium on Oilfield Chemistry, February 20-22, 1991, Anaheim, CA., USA -. 9: Nouri, H.H. and P.J. Root, 1971. A study of polymer solution rheology, flow behavior and oil displacement processes.
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Get Price1999-3-1 · The viscosity average molecular weights, M v of the polymers were estimated by the Mark–Houwink equation. The literature reported values for k=1.05×10 −4 dl g −1 and α=0.73 for the cationic, k=1.91×10 −4 dl g −1 and α=0.71 for the nonionic polyacrylamides and k=3.20×10 −4 dl g −1 and α=0.66 for the anionic polyacrylamide were used. Viscosity measurements of polymers in …
Get Price2019-12-12 · The interaction between cellulose fibers in the presence of cationic polyacrylamide (CPAM) was analyzed by rheology as a function of polyelectrolyte concentration, charge density, and molecular weight. CPAM was found to strongly influence the yield stress of cellulose suspensions; low doses of CPAM increased the yield stress, but at higher concentrations the …
Get Pricepolyacrylamide molecular weight in angola Determination of the molecular weight of 1979-1-1 · For fractionated samples of polyacrylamide in water at 30°, the equation [η] ml/g = 6.5 × 10 −3 M n 0.82 is applicable for the molecular weight range 4 × 10 4 to 127 × 10 4.
Get Price2013-12-24 · Determination of Intrinsic Viscosity [η] The intrinsic viscosity of CPAM was determined by one point method; the detailed method and operating steps were shown in “the determination method of intrinsic viscosity of polyacrylamide” (GB-T12005.1-1989).
Get Price2018-2-22 · New insights into the viscosity features of cationic polyacrylamide microgels in aqueous solutions. Guanghui Li, Corresponding Author. ... The results indicate that within a wide concentration range, the viscosity curves for these cationic microgels perfectly correspond to the Krieger–Dougherty model as modified by Tan et al. In particular ...
Get PricePolyacrylamide (PAM) is a water-soluble polymer made up of acrylamide subunits. It has a unique effect to increase the viscosity of water or promote the flocculation of particles present in water, it can also reduce the frictional resistance between the liquid. There are 3 different types of polyacrylamide, according to their ion ...
Get PriceBuy Cationic Polyacrylamide Chemical Flocculant Cpam For Oil Driolling , Find Complete Details about Buy Cationic Polyacrylamide Chemical Flocculant Cpam For Oil Driolling,Cationic Polyacrylamide Cpam,Oil Driolling Chemical Flocculant Cpam,Buy Cationic Polyacrylamide Cpam from Textile Auxiliary Agents Supplier or Manufacturer-Henan Saifu Trading Co., Ltd.
Get Price2014-5-1 · Cationic Polyacrylamide P(AM-DAC-BA) was synthesized by UV initiation, with acrylamide (AM), acryloyloxyethyl trimethyl ammonium chloride (DAC), butyl acrylate (BA) as the monomers. P(AM-DAC-BA). UV spectroscopy and infrared spectroscopy were employed to study the structural characteristics.
Get Price2019-12-12 · The interaction between cellulose fibers in the presence of cationic polyacrylamide (CPAM) was analyzed by rheology as a function of polyelectrolyte concentration, charge density, and molecular weight. CPAM was found to strongly influence the yield stress of cellulose suspensions; low doses of CPAM increased the yield stress, but at higher concentrations the …
Get Price2021-2-26 · Polyacrylamide is a high molecular polymer. Specializing in the treatment of various difficult-to-treat wastewater and the treatment of sludge dewatering. (Sludge dewatering generally uses cationic polyacrylamide) It is widely used in municipal sewage and sludge treatment in the paper-making printing and dyeing industry.
Get Pricepolyacrylamide molecular weight in angola Determination of the molecular weight of 1979-1-1 · For fractionated samples of polyacrylamide in water at 30°, the equation [η] ml/g = 6.5 × 10 −3 M n 0.82 is applicable for the molecular weight range 4 × 10 4 to 127 × 10 4.
Get Price2013-12-24 · Determination of Intrinsic Viscosity [η] The intrinsic viscosity of CPAM was determined by one point method; the detailed method and operating steps were shown in “the determination method of intrinsic viscosity of polyacrylamide” (GB-T12005.1-1989).
Get Price2014-5-1 · Cationic Polyacrylamide P(AM-DAC-BA) was synthesized by UV initiation, with acrylamide (AM), acryloyloxyethyl trimethyl ammonium chloride (DAC), butyl acrylate (BA) as the monomers. P(AM-DAC-BA). UV spectroscopy and infrared spectroscopy were employed to study the structural characteristics.
Get Price2009-11-24 · [0016] A well treating fluid was produced according to the method described in Example 1 except that the 0.33 gallons of the cationic polyacrylamide emulsion sold as ““PLEXSLICK 982C,” which is manufactured by Cytec Industries was added per 1000 gallons of fresh water. This corresponds with about 0.01% by weight of polyacrylamide.
Get Price2021-6-16 · Cationic Polyacrylamide. Appearance. White Fine-Sand. Shaped Powder. Milky White. Emulsion. Molecular Weight. 6million-10million lonicity. 5-80. 5-55 Viscosity 4.5-7. Degree of Hydrolysis% Solid Content% ≥90. 35-40. Shelf Life. 12 Months. 6 Months. Note: Our product can be made upon your special request.
Get Price2018-5-18 · Cationic polyacrylamide copolymers (PAMs) are used for sludge dewatering in municipal waste water treatment and might enter the environment by spreading of the sludge on agricultural land. Concern has been expressed since little is known about the degradation of PAMs in soils. To obtain detailed information on the polymer’s fate in the soil compartment, the …
Get Price2021-7-15 · Use and notice of nonionic polyacrylamide. Polyacrylamide is mainly cationic, anionic and non-ionic. Among these types, the application range of nonionic polyacrylamide is limited. The production volume and model of the manufacturer are also relatively small. The nonionic polyacrylamide is a good flocculant in water treatment.
Get Price2015-6-16 · 1. We are Shandong shuiheng chemical Co., Ltd. From China, our company is specialized in Production, Research and development of polyacrylamide for over 6years. Our products include cationic PAM, anionic PAM, non-ionic PAM and amphoteric PAM which mainly used for water treatment, oilfield, papermaking and mineral processing and other areas. 2.
Get Price1992-5-5 · The intrinsic viscosity behavior for cationic polyelectrolyte resulting from the electrostatic repulsive force of the polymer chain is contrasted with polyampholyte. The polyelectrolyte in the presence of KCl has a lower degree of binding, indicating that the proton ion (H + ) is relatively difficult to bind to the CH 3 SO 4 − at the polymer end.
Get Price2021-6-13 · oilfield agent pam cationic polyacrylamide from angola. Polyacrylamide in Oilfield - Sinofloc Chemical. Polyacrylamide is a versatile chemical treatment agent in oilfield. In oil extraction it could be used as a flooding agent, water shutoff regulator, drilling fluid regulator, fracturing fluid additives, especially in cementing
Get PriceCellulase treatment for decreasing viscosity and increasing Fock reactivity of dissolving pulp is a promising approach to reduce the use of toxic chemicals, such as hypochlorite in the dissolving pulp manufacturing process in the industry. Improving the cellulase treatment efficiency during the process is of practical interest. In the present study, the concept of using cationic polyacrylamide …
Get PricePolyacrylamide (PAM) is a water-soluble polymer made up of acrylamide subunits. It has a unique effect to increase the viscosity of water or promote the flocculation of particles present in water, it can also reduce the frictional resistance between the liquid. There are 3 different types of polyacrylamide, according to their ion ...
Get Price2021-5-17 · polyacrylamide backbone.[9-10] In aqueous solution, the hydrophobic groups have a tendency to associate with each other, and thus result significantly increased water viscosity. In addition to tackifying, the temperature and salt tolerance of hydrophobically modified polyacrylamide is believed to be better than that of
Get Price2019-12-12 · The interaction between cellulose fibers in the presence of cationic polyacrylamide (CPAM) was analyzed by rheology as a function of polyelectrolyte concentration, charge density, and molecular weight. CPAM was found to strongly influence the yield stress of cellulose suspensions; low doses of CPAM increased the yield stress, but at higher concentrations the …
Get Price2021-6-16 · Cationic Polyacrylamide. Appearance. White Fine-Sand. Shaped Powder. Milky White. Emulsion. Molecular Weight. 6million-10million lonicity. 5-80. 5-55 Viscosity 4.5-7. Degree of Hydrolysis% Solid Content% ≥90. 35-40. Shelf Life. 12 Months. 6 Months. Note: Our product can be made upon your special request.
Get Price2019-7-30 · ResearchArticle Synthesis of a Cationic Polyacrylamide under UV Initiation and Its Flocculation in Estrone Removal JiaoxiaSun ,1,2 XiqinMa ,1,2 XiangLi,3 JianxinFan,1,2 QingkongChen,1,2 XuelianLiu,1,2 andJinPan1,2 SchoolofRerandOceanEngineer,ChongqingJiaotongUniversity,Chongqing, China
Get Price2017-6-2 · In this study, the rheological behavior of polyacrylamide solutions in the absence and presence of cationic Gemini surfactants (16‐s‐16, s = 5, 6) and their monomeric counterpart, cetyltrimethylammonium bromide, at different temperatures has been studied in the light of its application field by rheometry.The polyacrylamide solution shows the shear thinning behavior at …
Get PriceI claim: 1. A method for reducing the viscosity of a magnesium hydroxide aqueous slurry which comprises adding 5 pounds/ton or less of a cationic polymer selected from the group consisting of methacryloyloxyethyl trimethyl ammonium methosulfate, vinyl benzyl trimethyl ammonium chloride, dimethyldiallyl ammonium chloride and 3-acrylamido-3-methyl butyl trimethyl ammonium …
Get Pricepolyacrylamide molecular weight in angola Determination of the molecular weight of 1979-1-1 · For fractionated samples of polyacrylamide in water at 30°, the equation [η] ml/g = 6.5 × 10 −3 M n 0.82 is applicable for the molecular weight range 4 × 10 4 to 127 × 10 4.
Get PriceCellulase treatment for decreasing viscosity and increasing Fock reactivity of dissolving pulp is a promising approach to reduce the use of toxic chemicals, such as hypochlorite in the dissolving pulp manufacturing process in the industry. Improving the cellulase treatment efficiency during the process is of practical interest. In the present study, the concept of using cationic polyacrylamide …
Get Price2017-11-3 · In the present study, the concept of using cationic polyacrylamide (CPAM) to enhance the cellulase treatment efficiency was demonstrated. The hypothesis was that the CPAM would attribute to the increased cellulase adsorption onto cellulose fibers based on the patching bridging mechanism. Results showed that the viscosity decrease was improved with
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Get Price2016-11-1 · Carbon dioxide triggers have attracted much attention due to their low cost, non-toxicity, simplicity and environmental benignity. N,N-dimethylolamidopropylamine (DOAPA) is a CO 2 switchable surfactant, the properties of which can be regulated by CO 2 easily. A mixture of a cationic hydrophobic associating polymer (PAD) and the CO 2 switchable DOAPA was prepared, …
Get Price1 3 inch wide samples are used to test tensiles. 2 Samples are soaked for 5 and 10 min respectively at the temperatures shown.. Although the 100% cationic polyacrylamide whitewater showed slightly lower Elmendorf tear resistance readings for the same fiber used in the Natrosol™ whitewater, these data do indicate that XD 02 is a viable one-for-one substitute for Natrosol™ as viscosity ...
Get PriceCationic Polyacrylamide P(AM-DAC-BA) was synthesized by UV initiation, with acrylamide (AM), acryloyloxyethyl trimethyl ammonium chloride (DAC), butyl acrylate (BA) as the monomers. P(AM-DAC-BA). UV spectroscopy and infrared spectroscopy were …
Get Price2019-7-31 · Cationic Polyacrylamide: Synthesis, Characterization, and Sludge Dewatering Performance HuailiZheng, 1 YongjunSun, 1 XiaominTang, 1 MingzhuoTan, 2 JiangyaMa, 1 WeiChen, 1 andYongLiao 1 Key laboratory of ther ee Gorges Reservoir Region s Eco-Environment, State Ministry of Education, Chongqing University, Chongqing, China
Get PriceAnionic Polyacrylamide is water-soluble polymers which is insoluble in most organic solvents, It presents high polymer electrolyte characteristics in neutral and alkaline mediums. With good flocculation, it can reduce the frictional resistance between the liquid and be widely used in mining industries and water treatment etc.
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