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2019-12-12u2002·u20021. Introduction. A large number of publications exist on the preparation of clay-polymer or smectite-polyacrylamide (PAM) composites (Denoyel et al., 1990; Deng et al., 2006; Haase and Schanz, 2016).Characterization of the composites occurred qualitatively e.g. by X-ray diffraction analysis (XRD), Fourier transform infrared (FTIR) spectroscopy, and nuclear …
Get Price2 days agou2002·u2002An FTIR spectrum of the co-polymer used is shown in Fig. 1, where there is a stretching vibration of C O (carboxylate) at 1700 cm − 1, a stretching vibration of C O (related to amide bonds) at ...
Get Price2021-11-20u2002·u2002The effect of a carboxylated polyacrylamide (PAM) of 11.9% of degree of anionicity on molybdenite flotation was previously reported. In this work the depressing effect of a polyacrylamide of 8.15% of degree of anionicity (LPAM) on molybdenite flotation under different conditions of mechanical degradation, pH, and concentration is presented.
Get Price2018-7-1u2002·u2002In turn, He et al. examined the possibility of polyacrylamide of different charge type usage for dewatering of soil slurry. The PAM properties were also tested relative to nanozirconia and mixed oxides [11,12]. In this study an anionic polyacrylamide containing 40% anionic groups, characterized by a high molecular weight was used.
Get Price2020-8-30u2002·u2002A BX-1000 FTIR spectrometer (Perkin-Elmer, Überlingen, Germany) was used to register FTIR spectra in the region of 450–4000 cm −1. The coagulation-flocculation experiments were conducted using a Floclab jar test apparatus (Prolabo, Le Mans, France).
Get Price2018-12-11u2002·u2002The ionic polyacrylamide/graphene oxide (PAM/GO) hydrogel as an excellent methylene blue (MB) adsorbent was prepared by an improved one-step radical polymerization method using graphene oxide, acrylamide, and polar second monomers. The hydrogel was characterized by Fourier transform infrared spectroscopy, Raman spectra, X-ray diffraction, …
Get Price2020-10-9u2002·u2002Polyacrylamides (PAM) are used as flocculants in the copper-molybdenum mining industry to improve the settling rate of flotation tailings. These types of reagents are recirculated to flotation in the water that is recovered from the thickeners, and as a result of this practice they can cause depression of flotation of some important minerals such as molybdenite.
Get Price2022-1-7u2002·u2002Espagne), polyacrylamide A 100 PWG (Kemira Chemicals, France) and cactus mucilage. Their characteristics were represented in Table.2. TheEPENWATE EXP 31/1, polyacrylamide A 100 PWG are, respectively, commercial cationic and anionic flocculants used in waste water treatment. The cactus cladodes were naturally collected in
Get PriceUncharged and anionic copolymers Dextran-graft-Polyacrylamide (D-g-PAA) and linear PAA of similar molecular weight were tested as flocculants in …
Get Price2017-5-18u2002·u2002Complexes of copolymer D70-g-PAA and an anionic derivative with cisplatin were synthesized. The FTIR spectra of the D70-g-PAA(PE) and D70-g-PAA(PE)/cisplatin in comparison with cisplatin spectrum are shown in Figure 2.One can see the presence of both IR bands of copolymer and cisplatinum at the vicinity of 782, 1290, 2848, and 3271 cm −1 of resulting …
Get PriceHydrolysis of polyacrylamide and acrylic acid–acrylamide. The hydrolysis of polyamides has been studied in buffered acid solution at 110°C. at an amide concentration of 0.05 M.In the case of polyacrylamide, the reaction was carried out in acetate buffer at different values of the ratio r (acetic acid/sodium acetate).
Get Price2018-12-11u2002·u2002The ionic polyacrylamide/graphene oxide (PAM/GO) hydrogel as an excellent methylene blue (MB) adsorbent was prepared by an improved one-step radical polymerization method using graphene oxide, acrylamide, and polar second monomers. The hydrogel was characterized by Fourier transform infrared spectroscopy, Raman spectra, X-ray diffraction, …
Get Price2016-11-18u2002·u2002Cationic polyacrylamide with low to medium cationic charge density and a molecular weight of around 5 million Daltons was received from SNF Floerger (Andrézieux, France). All solvents (reagent-grade) used in the synthesis were distilled before use. The products were purified using a filtration technique. Synthesis of 1 Product
Get Price2022-1-7u2002·u2002Espagne), polyacrylamide A 100 PWG (Kemira Chemicals, France) and cactus mucilage. Their characteristics were represented in Table.2. TheEPENWATE EXP 31/1, polyacrylamide A 100 PWG are, respectively, commercial cationic and anionic flocculants used in waste water treatment. The cactus cladodes were naturally collected in
Get Price2015-8-18u2002·u2002The adsorption of sulfonated polyacrylamide (SPAM) as an enhanced oil recovery polymer onto carbonate rock particles was studied using UV-visible spectroscopy. The effect of the experimental parameters of polymer concentration, salinity and temperature was investigated. The results showed that polymer adsorption increased as the SPAM concentration increased, …
Get Priceionic, anionic and cationic homopolymers or copolymers2. Cationic polyacrylamides are the most interesting ones from the commer cial point of vie w, due to their higher ad ded v alue 3. High molecular weight linear polyacrylamide can be used as a polymer flocculant, but in aqueous solution has a v ery high viscosity which is limiting4. Star ...
Get Price2021-3-25u2002·u2002Sodium-dodecyl-sulfate polyacrylamide gel electrophoresis (SDS-PAGE) can be used to separate proteins based mainly on their size such as in denaturing gels. Different staining methods have been reported to observe proteins in the gel matrix, where the most used dyes are generally anionic. Anionic dyes allow for interactions with protonated amino acids, retaining the …
Get PriceA self-healable fluorescence active hydrogel based on ionic block copolymers prepared via ring opening polymerization and xanthate mediated RAFT polymerization†. Sovan Lal Banerjee a, Richard Hoskins b, Thomas Swift b, Stephen Rimmer * b and Nikhil K. Singha * a a Rubber Technology Centre, Indian Institute of Technology, Kharagpur-721302, India.
Get PriceAcrylamide is a colorless, odorless, crystalline solid thatcan react violently when melted. When it is heated, sharpfumes may be released.Acrylamide is used to make polyacrylamide, which ismainly used in treating waste water discharge from watertreatment plants and industrial processes.In addition, acrylamide and polyacrylamides are used inthe production of dyes and …
Get Price2017-5-18u2002·u2002Complexes of copolymer D70-g-PAA and an anionic derivative with cisplatin were synthesized. The FTIR spectra of the D70-g-PAA(PE) and D70-g-PAA(PE)/cisplatin in comparison with cisplatin spectrum are shown in Figure 2.One can see the presence of both IR bands of copolymer and cisplatinum at the vicinity of 782, 1290, 2848, and 3271 cm −1 of resulting …
Get PriceHydrolysis of polyacrylamide and acrylic acid–acrylamide. The hydrolysis of polyamides has been studied in buffered acid solution at 110°C. at an amide concentration of 0.05 M.In the case of polyacrylamide, the reaction was carried out in acetate buffer at different values of the ratio r (acetic acid/sodium acetate).
Get Price2018-12-11u2002·u2002The ionic polyacrylamide/graphene oxide (PAM/GO) hydrogel as an excellent methylene blue (MB) adsorbent was prepared by an improved one-step radical polymerization method using graphene oxide, acrylamide, and polar second monomers. The hydrogel was characterized by Fourier transform infrared spectroscopy, Raman spectra, X-ray diffraction, …
Get Price2016-11-18u2002·u2002Cationic polyacrylamide with low to medium cationic charge density and a molecular weight of around 5 million Daltons was received from SNF Floerger (Andrézieux, France). All solvents (reagent-grade) used in the synthesis were distilled before use. The products were purified using a filtration technique. Synthesis of 1 Product
Get Price2022-1-7u2002·u2002Espagne), polyacrylamide A 100 PWG (Kemira Chemicals, France) and cactus mucilage. Their characteristics were represented in Table.2. TheEPENWATE EXP 31/1, polyacrylamide A 100 PWG are, respectively, commercial cationic and anionic flocculants used in waste water treatment. The cactus cladodes were naturally collected in
Get Price2015-8-18u2002·u2002The adsorption of sulfonated polyacrylamide (SPAM) as an enhanced oil recovery polymer onto carbonate rock particles was studied using UV-visible spectroscopy. The effect of the experimental parameters of polymer concentration, salinity and temperature was investigated. The results showed that polymer adsorption increased as the SPAM concentration increased, …
Get Priceionic, anionic and cationic homopolymers or copolymers2. Cationic polyacrylamides are the most interesting ones from the commer cial point of vie w, due to their higher ad ded v alue 3. High molecular weight linear polyacrylamide can be used as a polymer flocculant, but in aqueous solution has a v ery high viscosity which is limiting4. Star ...
Get Price2021-3-25u2002·u2002Sodium-dodecyl-sulfate polyacrylamide gel electrophoresis (SDS-PAGE) can be used to separate proteins based mainly on their size such as in denaturing gels. Different staining methods have been reported to observe proteins in the gel matrix, where the most used dyes are generally anionic. Anionic dyes allow for interactions with protonated amino acids, retaining …
Get PriceA self-healable fluorescence active hydrogel based on ionic block copolymers prepared via ring opening polymerization and xanthate mediated RAFT polymerization†. Sovan Lal Banerjee a, Richard Hoskins b, Thomas Swift b, Stephen Rimmer * b and Nikhil K. Singha * a a Rubber Technology Centre, Indian Institute of Technology, Kharagpur-721302, India.
Get PriceAcrylamide is a colorless, odorless, crystalline solid thatcan react violently when melted. When it is heated, sharpfumes may be released.Acrylamide is used to make polyacrylamide, which ismainly used in treating waste water discharge from watertreatment plants and industrial processes.In addition, acrylamide and polyacrylamides are used inthe production of dyes and …
Get Price2017-5-18u2002·u2002Complexes of copolymer D70-g-PAA and an anionic derivative with cisplatin were synthesized. The FTIR spectra of the D70-g-PAA(PE) and D70-g-PAA(PE)/cisplatin in comparison with cisplatin spectrum are shown in Figure 2.One can see the presence of both IR bands of copolymer and cisplatinum at the vicinity of 782, 1290, 2848, and 3271 cm −1 of resulting …
Get PriceHydrolysis of polyacrylamide and acrylic acid–acrylamide. The hydrolysis of polyamides has been studied in buffered acid solution at 110°C. at an amide concentration of 0.05 M.In the case of polyacrylamide, the reaction was carried out in acetate buffer at different values of the ratio r (acetic acid/sodium acetate).
Get Price2018-12-11u2002·u2002The ionic polyacrylamide/graphene oxide (PAM/GO) hydrogel as an excellent methylene blue (MB) adsorbent was prepared by an improved one-step radical polymerization method using graphene oxide, acrylamide, and polar second monomers. The hydrogel was characterized by Fourier transform infrared spectroscopy, Raman spectra, X-ray diffraction, …
Get Price2016-11-18u2002·u2002Cationic polyacrylamide with low to medium cationic charge density and a molecular weight of around 5 million Daltons was received from SNF Floerger (Andrézieux, France). All solvents (reagent-grade) used in the synthesis were distilled before use. The products were purified using a filtration technique. Synthesis of 1 Product
Get Price2022-1-7u2002·u2002Espagne), polyacrylamide A 100 PWG (Kemira Chemicals, France) and cactus mucilage. Their characteristics were represented in Table.2. TheEPENWATE EXP 31/1, polyacrylamide A 100 PWG are, respectively, commercial cationic and anionic flocculants used in waste water treatment. The cactus cladodes were naturally collected in
Get Price2015-8-18u2002·u2002The adsorption of sulfonated polyacrylamide (SPAM) as an enhanced oil recovery polymer onto carbonate rock particles was studied using UV-visible spectroscopy. The effect of the experimental parameters of polymer concentration, salinity and temperature was investigated. The results showed that polymer adsorption increased as the SPAM concentration increased, …
Get Priceionic, anionic and cationic homopolymers or copolymers2. Cationic polyacrylamides are the most interesting ones from the commer cial point of vie w, due to their higher ad ded v alue 3. High molecular weight linear polyacrylamide can be used as a polymer flocculant, but in aqueous solution has a v ery high viscosity which is limiting4. Star ...
Get Price2021-3-25u2002·u2002Sodium-dodecyl-sulfate polyacrylamide gel electrophoresis (SDS-PAGE) can be used to separate proteins based mainly on their size such as in denaturing gels. Different staining methods have been reported to observe proteins in the gel matrix, where the most used dyes are generally anionic. Anionic dyes allow for interactions with protonated amino acids, retaining …
Get PriceA self-healable fluorescence active hydrogel based on ionic block copolymers prepared via ring opening polymerization and xanthate mediated RAFT polymerization†. Sovan Lal Banerjee a, Richard Hoskins b, Thomas Swift b, Stephen Rimmer * b and Nikhil K. Singha * a a Rubber Technology Centre, Indian Institute of Technology, Kharagpur-721302, India.
Get PriceAcrylamide is a colorless, odorless, crystalline solid thatcan react violently when melted. When it is heated, sharpfumes may be released.Acrylamide is used to make polyacrylamide, which ismainly used in treating waste water discharge from watertreatment plants and industrial processes.In addition, acrylamide and polyacrylamides are used inthe production of dyes and …
Get Price2017-5-18u2002·u2002Complexes of copolymer D70-g-PAA and an anionic derivative with cisplatin were synthesized. The FTIR spectra of the D70-g-PAA(PE) and D70-g-PAA(PE)/cisplatin in comparison with cisplatin spectrum are shown in Figure 2.One can see the presence of both IR bands of copolymer and cisplatinum at the vicinity of 782, 1290, 2848, and 3271 cm −1 of resulting …
Get PriceHydrolysis of polyacrylamide and acrylic acid–acrylamide. The hydrolysis of polyamides has been studied in buffered acid solution at 110°C. at an amide concentration of 0.05 M.In the case of polyacrylamide, the reaction was carried out in acetate buffer at different values of the ratio r (acetic acid/sodium acetate).
Get Price2018-12-11u2002·u2002The ionic polyacrylamide/graphene oxide (PAM/GO) hydrogel as an excellent methylene blue (MB) adsorbent was prepared by an improved one-step radical polymerization method using graphene oxide, acrylamide, and polar second monomers. The hydrogel was characterized by Fourier transform infrared spectroscopy, Raman spectra, X-ray diffraction, …
Get Price2016-11-18u2002·u2002Cationic polyacrylamide with low to medium cationic charge density and a molecular weight of around 5 million Daltons was received from SNF Floerger (Andrézieux, France). All solvents (reagent-grade) used in the synthesis were distilled before use. The products were purified using a filtration technique. Synthesis of 1 Product
Get Price2022-1-7u2002·u2002Espagne), polyacrylamide A 100 PWG (Kemira Chemicals, France) and cactus mucilage. Their characteristics were represented in Table.2. TheEPENWATE EXP 31/1, polyacrylamide A 100 PWG are, respectively, commercial cationic and anionic flocculants used in waste water treatment. The cactus cladodes were naturally collected in
Get Price2015-8-18u2002·u2002The adsorption of sulfonated polyacrylamide (SPAM) as an enhanced oil recovery polymer onto carbonate rock particles was studied using UV-visible spectroscopy. The effect of the experimental parameters of polymer concentration, salinity and temperature was investigated. The results showed that polymer adsorption increased as the SPAM concentration increased, …
Get Priceionic, anionic and cationic homopolymers or copolymers2. Cationic polyacrylamides are the most interesting ones from the commer cial point of vie w, due to their higher ad ded v alue 3. High molecular weight linear polyacrylamide can be used as a polymer flocculant, but in aqueous solution has a v ery high viscosity which is limiting4. Star ...
Get Price2021-3-25u2002·u2002Sodium-dodecyl-sulfate polyacrylamide gel electrophoresis (SDS-PAGE) can be used to separate proteins based mainly on their size such as in denaturing gels. Different staining methods have been reported to observe proteins in the gel matrix, where the most used dyes are generally anionic. Anionic dyes allow for interactions with protonated amino acids, retaining …
Get PriceA self-healable fluorescence active hydrogel based on ionic block copolymers prepared via ring opening polymerization and xanthate mediated RAFT polymerization†. Sovan Lal Banerjee a, Richard Hoskins b, Thomas Swift b, Stephen Rimmer * b and Nikhil K. Singha * a a Rubber Technology Centre, Indian Institute of Technology, Kharagpur-721302, India.
Get PriceAcrylamide is a colorless, odorless, crystalline solid thatcan react violently when melted. When it is heated, sharpfumes may be released.Acrylamide is used to make polyacrylamide, which ismainly used in treating waste water discharge from watertreatment plants and industrial processes.In addition, acrylamide and polyacrylamides are used inthe production of dyes and …
Get Price2020-7-8u2002·u2002Cheraghian, G. Synthesis and properties of polyacrylamide by nanoparticles, effect nanoclay on stability polyacrylamide solution. Micro Nano Lett. 12, …
Get PriceTEMPO-oxidized CNF, polyacrylamide, and gelatin were used to construct shape-memory hybrid gels (Figure 7d). The shape memory effect, was demonstrated by preparing a rod-like hydrogel specimen. The rod-like structure was then bent to a new V-shaped object and stabilized by physical crosslinking at 55 °C for 30 min.
Get Price2020-5-7u2002·u2002Linear Alkylbenzene Sulphonic Acid is extensively applied anionic surfactant. It is raw material for detergent industry characterized by detergency, foam, moisture, and emulsion and dispersing. [Packing]: 210 Kgs/drum, 16.8 Mts/20'FCL or 1000 Kgs/drum, 18Mts /20'FCL.
Get PriceDCF05 is a cationic polyacrylamide with a charge density of 1.5 mol %. Stock 0.5 wt % carboxymethyl cellulose (CMS) solution was formulated by dissolving dry powder in sufficient tap water at 800 rpm using caged impellor/overhead stirrer. CMS is an anionic starch with a charge density of 50 mol %.
Get Price2018-11-26u2002·u2002Dehydrins play positive roles in regulating plant abiotic stress responses. The objective of this study was to characterize two dehydrin genes, CdDHN4-L and CdDHN4-S, generated by alternative splicing of CdDHN4 in bermudagrass. Overexpression of CdDHN4-L with φ-segment and CdDHN4-S lacking of φ-segment in Arabidopsis significantly increased …
Get PriceFucoidan is an anionic sulfated polysaccharide extracted from marine brown algae with a large range of biological activities, including anti-inflammatory, anti-cancer, anti-viral, anti-oxidation, anticoagulant, antithrombotic, anti-angiogenic and anti-Helicobacter pylori, etc. S0920 Ginkgolide J
Get PriceFirouz Ghanbari, Shahram Moradi Dehaghi, and Hosein Mahdavi. 'Epoxy-based multilayered coating containing carbon nanotube (CNT), silicon carbide (SiC), and carbonyl iron (CI) particles: as efficient microwave absorbing materials.' Journal of Coatings Technology and Research 17, no. 3 …
Get Price2019-7-1u2002·u2002Corrosion defined as the deterioration of a material when it interacts with its environment is a global problem. Among the different strategies employ…
Get PriceThe disposal and recycling of dredged materials (DM) are of great significance to sustainable development, and carbonation stabilization using steel slag …
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