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production of chitosan-g-poly acrylamide

  • Synthesis of magnetic carboxymethyl chitosan- g

    2015-5-29 · Then, the magnetic hydrogel nanocomposites of carboxymethyl chitosan-g-poly(acrylamide) were prepared by incorporation of magnetic laponite RD. The structure of magnetic nanocomposite hydrogels was characterized by scanning electron microscopy (SEM), transmittance electron microscopy (TEM), thermogravimetric analysis (TGA), X-ray diffraction (XRD), and vibrating sample …

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  • Synthesis and characterization of chitosan-g

    2007-9-20 · A novel chitosan-g-poly (acrylic acid)/sodium humate (CTS-g-PAA/SH) multifunctional superabsorbent was prepared by graft polymerization among chitosan, acrylic acid and sodium humate in aqueous solution, using N, N ′-methylenebisacrylamide as a crosslinker and ammonium persulfate as an initiator. And the samples were further characterized by means ...

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  • Preparation and properties of quaternary ammonium

    2017-2-1 · Quaternary ammonium chitosan- g -poly (acrylic acid- co -acrylamide) superabsorbent hydrogels were successfully synthesized from acrylic acid (AA), acrylamide (AM) and quaternary ammonium chitosan with high substitution degree. They were prepared using potassium persulfate (KPS) as an initiator and N, N ′-methylenebisacrylamide (MBA) as a ...

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  • Environmental-sensitive chitosan- g -polyacrylamide ...

    2015-9-4 · Superabsorbent composites made of chitosan-graft-polyacrylamide and carboxymethylcellulose (CTS-g-PAAm/CMC) were prepared through free radical graft copolymerization of acrylamide (AAm) onto chitosan backbone, and the obtained superabsorbents were also partially hydrolyzed. The formation of the grafted network was evidenced by attenuated total reflectance …

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  • Synthesis and characterization of chitosan- g

    2019-11-7 · On the other hand, 1.5 g of CS is dissolved in 40 mL of acetic acid solution (2%) at 60 °C for 15 min under mechanical stirring. In parallel, two equimolar aqueous solutions of the redox initiator system of KPS (0.09 g) and TEMED (0.039 g) (each in ca. 5 mL of distilled water) are prepared.

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  • Synthesis and characterization of chitosan- -poly(acrylic ...

    2011-6-5 · 2.3. Preparation of chitosan-g-poly(acrylic acid)/attapulgite (CTS-g-PAA/APT) superabsorbent composites A series of superabsorbent composites from CTS, AA, and APT were synthesized according to the following pro-cedure; an appropriate amount of CTS was dissolved in 30 ml acetic acid solution (1%) in a 250 ml four-neck flask,

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  • A review on the synthesis of graft copolymers of

    2020-11-15 · Kumar et al. prepared the antimicrobial film of grafted chitosan [chit-g-Poly (An-co-Am)] for food packaging by grafting of acrylonitrile and acrylamide on to chitosan via microwave initiated technique. They selected apple and guava to evaluate the potential applications of chitosan film in the food packaging industry.

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  • Photocatalytic degradation of highly toxic dyes using ...

    2016-10-1 · Synthesis of chitosan-g-poly (acrylamide)/ZnS (ChPA/ZS) nanocomposite ChPA/ZS nanocomposite was prepared in microwave reactor under microwave radiations. 2 g of chitosan was dissolved in 1% acetic acid solution and was added drop wise …

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  • Cumulative release of cefotaxim from interpenetrating ...

    2014-2-4 · Redox polymerization of acrylamide in the presence of chitosan and PVA and a crosslinker yields interpenetrating networks of poly(vinyl alcohol-g-acrylamide) and chitosan-g-polyacrylamide chains. The polymer network so prepared offers a mesh type of porous morphology with an approximate mesh dimension of 20 × 20 μm 2. The DSC studies confirm a fall in the glass transition temperature of the constituent polymers, chitosan …

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  • Synthesis, characterization and absorption study of ...

    2020-4-9 · The synthesized reaction of the copolymeric hydrogel is carried out by copolymerization of acrylamide (AA) and itaconic acid (IA) to chitosan (CS) backbone to modify the chitosan structure and enhance the water absorbency of the chitosan.

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  • Synthesis and characterization of chitosan- g

    2019-11-7 · A novel mineral-based superabsorbent hydrogel composite, poly (2-acrylamido-2-methylpropanesulfonic acid-co-acrylic acid-co-acrylamide)/ground basalt: CS-g-P(AMPS-co-AA-co-AM)/BST/BST, is prepared under microwave irradiation. The structural and morphological characterization of hydrogel is assessed using FTIR spectroscopy, X-ray diffractometry and scanning …

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  • Environmentally Friendly Chitosan-g-poly(acrylic acid

    2018-9-15 · This paper investigates on the preparation of a novel eco-friendly composite hydrogel, chitosan-g-poly(acrylic acid-co-acrylamide)/ground basalt and its potential application as a soil ameliorant. Synthesis was undergone using microwave irradiation. N,N′-methylene bisacrylamide MBA was used as a ...

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  • Synthesis and characterization of chitosan- -poly(acrylic ...

    2013-1-29 · A novel chitosan-g-poly(acrylic acid)/attapulgite superabsorbent composite with water absorbency of 159.6 g g 1 in distilled water and 42.3 g g 1 in 0.9 wt% NaCl solution was prepared by graft polymerization with chitosan, acrylic acid and attapulgite in aqueous

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  • Advances in chitosan-based superabsorbent

    For example, G. R. et al. 16 proposed the reaction process of chitosan-g-poly(acrylic acid-co-acrylamide) superabsorbent hydrogels by free radical polymerization in Fig. 1. First of all, potassium persulfate, as an initiator, produced the initial free radicals under heating, and then these radicals extracted hydrogen from the hydrogen groups of ...

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  • Review on preparation and adsorption properties of ...

    2021-3-10 · Chitosan-g-poly (acrylic acid)/rectorite composite has a higher adsorption capacity for NH 4 + than Chitosan-g-poly (acrylic acid). Likewise, CS/PVA/zeolite composite [ 78 ] and CS/PAN/UiO-66-NH 2 nanofibers [ 79 ] also have excellent adsorption properties for Cr 6+ , and the maximum adsorption capacities were 450 mg/g and 372.6 mg/g, respectively.

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  • Novel Interpenetrating Polymer Network Hydrogel ...

    2011-10-23 · Acrylamide-grafted-guar gum (pAAm-g-GG) was prepared and blended with chitosan (CS) to form interpenetrating polymer network (IPN) hydrogel microspheres by the emulsion cross-linking method using glutaraldehyde (GA) as a cross-linker. The microspheres encapsulated up to 74% of ciprofloxacin (CFX), an antibiotic drug, having a plasma half-life of 4 h and the release of CFX was …

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  • Rice husk char/poly-(acrylic acid-co-acrylamide ...

    2021-6-30 · The annual production of RHC was very large in China. In this work, RHCs were chosen and used to prepare RHC/poly-(acrylic acid-co-acrylamide) (RHC/P) superabsorbents through graft polymerization. ... and acrylated starch-g-poly (acrylamide) hydrogels, ... “Fast removal of methylene blue from aqueous solution by adsorption onto chitosan-g ...

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  • Preparation of ferric ion crosslinked acrylamide grafted ...

    2018-6-30 · Preparation of ferric ion crosslinked acrylamide grafted poly (vinyl alcohol)/sodium alginate microspheres and application ... Solak, 2009), chitosan (Al-Kahtani Ahmed et al., 2009) and methyl cellulose (Rokhade et al., 2007) have been preferred ... DNA synthesis by inhibiting the normal production of thymidine (Gupte & Ciftci, 2004).

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  • Lignin‐g‐poly(acrylamide)‐g‐poly(diallyldimethyl‐

    2018-8-27 · The amount of acrylamide added to the reaction mixture had an insignificant effect on the overall charge density of the resulting copolymer, as the dosage of acrylamide was increased from 0.35 to 1.4 mol L −1, but the charge density of the lignin copolymer increased slightly from 0.39 to 0.52 meq g −1, respectively. 33 Although acrylamide ...

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  • Studies on chitosan and poly(acrylic acid)

    1998-12-7 · Chung‐Yang Chuang, Wen‐Yen Chiu, Trong‐Ming Don, Synthesis of chitosan‐poly(Acrylic Acid) complex particles by dispersion polymerization and their applications in ph buffering and drug release, Journal of Applied Polymer Science, 10.1002/app.33285, 120, 3, (1659-1670), (2010).

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  • Advances in chitosan-based superabsorbent

    For example, G. R. et al. 16 proposed the reaction process of chitosan-g-poly(acrylic acid-co-acrylamide) superabsorbent hydrogels by free radical polymerization in Fig. 1. First of all, potassium persulfate, as an initiator, produced the initial free radicals under heating, and then these radicals extracted hydrogen from the hydrogen groups of ...

    Get Price
  • Preparation of poly(chitosan-acrylamide) flocculant

    Preparation of poly(chitosan-acrylamide) flocculant using gamma radiation for adsorption of Cu(II) and Ni(II) ions | Saleh, Alaaeldine Sh.; Ibrahim, Ahmed G ...

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  • Preparation of ferric ion crosslinked acrylamide grafted ...

    2018-6-30 · Preparation of ferric ion crosslinked acrylamide grafted poly (vinyl alcohol)/sodium alginate microspheres and application ... Solak, 2009), chitosan (Al-Kahtani Ahmed et al., 2009) and methyl cellulose (Rokhade et al., 2007) have been preferred ... DNA synthesis by inhibiting the normal production of thymidine (Gupte & Ciftci, 2004).

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  • Development of thermo/pH-responsive chitosan

    2019-6-22 · In this study, thermo/pH-responsive chitosan coated pectin-graft-poly(N,N-diethyl acrylamide) (Pec-g-PDEAAm/CS) microcarriers containing 5-Fluorouracil (5-FU) as a model drug were developed. The structure, thermal stability and surface morphology of 5-FU-loaded microcarriers were investigated using FTIR, XRD, DSC and SEM.

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  • Polysaccharides | Free Full-Text | Trends of Chitosan ...

    PNIPAAm (poly(N-isopropyl acrylamide) is widely studied and investigated for its temperature-dependent drug delivery system . The unique property of poly( N -isopropyl acrylamide) lies in its low critical solution temperature (LCST), due to which it is a liquid or soluble form at room temperature while it solidifies to a gel form at the body ...

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  • Preparation and characterization of hybrid double

    2017-6-2 · Preparation and characterization of hybrid double network chitosan/poly(acrylic amide-acrylic acid) high toughness hydrogel through Al 3+ crosslinking. Xiancai Jiang School of Chemical Engineering, Fuzhou University, Fuzhou 350108, People's Republic of China.

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  • (PDF) Stimuli-responsive bacterial cellulose-g-poly ...

    In this study, a series of BC-g-poly(acrylic acid-co- acrylamide) hydrogels were synthesized by microwave-assisted Gel fraction determination of hydrogels graft copolymerization using different ratios of monomers and Freshly synthesized hydrogel sheets were …

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  • Lignin‐g‐poly(acrylamide)‐g‐poly(diallyldimethyl‐

    2018-8-27 · The amount of acrylamide added to the reaction mixture had an insignificant effect on the overall charge density of the resulting copolymer, as the dosage of acrylamide was increased from 0.35 to 1.4 mol L −1, but the charge density of the lignin copolymer increased slightly from 0.39 to 0.52 meq g −1, respectively. 33 Although acrylamide ...

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  • Carboxymethyl Tamarind-g-poly(acrylamide)/Silica: A

    2012-11-27 · Here, synthesis of an efficient nanocomposite based on a polyacrylamide grafted carboxymethyl tamarind (CMT-g-PAM) and a SiO2 nanoparticle is presented. The synthesized nanocomposites are characterized using FT-IR, SEM, TEM, 13C NMR, elemental analysis, viscosity, rheological measurement, and molecular weight determination. Various characterizations reveal the …

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  • Preparation of superabsorbent polymers by

    Gülten Gürdağ, Gökay Mutlu Öz, A novel poly(N‐isopropylacrylamide‐co‐N‐hydroxymethyl acrylamide) gel: preparation in the absence/presence of a pore‐forming agent and characterization, Polymers for Advanced Technologies, 10.1002/pat.1254, 20, 3, (216-224), (2008).

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  • Preparation of Poly(acrylic acid-acrylamide/starch ...

    Although the adsorption capacity of activated carbon is very strong, high production cost and poor selectivity limit its extensive usage [18,19]. As a ... The starch-g-poly (acrylic acid-acrylamide) composite was synthesized from starch, acrylic acid and acrylamide. ... Wang, A. Adsorption characteristics of chitosan-g-poly (acrylic acid ...

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  • Biocatalytic production of chitosan polymers from

    Chitosan has a unique chemical structure with high charge density, reactive hydroxyl and amino groups, and extensive hydrogen bonding. Chitin deacetylase (EC 3.5.1.41) catalyzes the hydrolysis of the N-acetamido groups of N-acetyl-D-glucosamine residues in chitin, converting it to chitosan and releasing acetate. The entire ORF of the CDA2 gene encoding one of the two isoforms of chitin ...

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  • Synthesis and flocculation characteristics of chitosan

    A flocculant based on chitosan was prepared, and its flocculation behavior was studied. The graft copolymer of acrylamide onto chitosan was synthesized using potassium persulfate as an initiator. The effect of reaction conditions, i.e., deacetylation degree of chitosan (CTS), the effect of the concentration, solution pH, and the initial ...

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  • Chitosan for Direct Bioflocculation Processes

    2021-6-3 · production of large volumes of toxic sludge, low biodegradability, water pollution by toxic metals, e.g. aluminum salts are connected to Alzheimer’s disease, and dispersion of acrylamide oligomers, which is also a health hazard because the acrylamide monomer is carcinogenic and neurotoxic to humans (Salehizadeh et al. 2018).

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  • Figure 8 from The properties of conventionally and ...

    Physico-chemical characterization of pH-sensitive N-Succinyl chitosan-g-poly (acrylamide-co-acrylic acid) hydrogels and in vitro drug release studies S. Bashir , Y. Y. Teo , …

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  • Bacillus pumilus on C- PVA g poly (acrylamide) Hydrogel

    2017-7-18 · Acrylamide onto Resin I and Resin II Cross linked poly (vinyl alcohol), (c-PVA) (100 mg) was taken in a predetermined amount of water. To the reaction mixture, predetermined amounts of acrylamide and initiators ammonium persulfate and ferrous ammonium sulfate were added. The reaction mixture was stirred at 70ºC temperatures for 3hrs.

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  • Polysaccharides | Free Full-Text | Trends of Chitosan ...

    PNIPAAm (poly(N-isopropyl acrylamide) is widely studied and investigated for its temperature-dependent drug delivery system . The unique property of poly( N -isopropyl acrylamide) lies in its low critical solution temperature (LCST), due to which it is a liquid or soluble form at room temperature while it solidifies to a gel form at the body ...

    Get Price
  • Carboxymethyl Tamarind-g-poly(acrylamide)/Silica: A

    2012-11-27 · Here, synthesis of an efficient nanocomposite based on a polyacrylamide grafted carboxymethyl tamarind (CMT-g-PAM) and a SiO2 nanoparticle is presented. The synthesized nanocomposites are characterized using FT-IR, SEM, TEM, 13C NMR, elemental analysis, viscosity, rheological measurement, and molecular weight determination. Various characterizations reveal the …

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  • Preparation of superabsorbent polymers by

    2021-5-15 · Poly-3-hydroxybutyrate (PHB), a biodegradable material, was applied here as scaffold to capture 5-FU into microparticles with high encapsulation efficiency by solvent-nonsolvent method. Combination of these microparticles into the chitosan-β-GP formulation could drop the rapid initial release from 85% down to 29% in the optimized PHB content (75%, by mass).

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  • Preparation of poly(chitosan-acrylamide) flocculant

    Preparation of poly(chitosan-acrylamide) flocculant using gamma radiation for adsorption of Cu(II) and Ni(II) ions | Saleh, Alaaeldine Sh.; Ibrahim, Ahmed G ...

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  • Preparation of Carboxymethyl Cellulose-g-

    2020-5-25 · where, q e (mg/g) is the amount of Ce(III) or Gd(III) adsorbed by per unit mass of adsorbent and C 0 and C e (mg/L) are the concentrations of Ce(III) or Gd(III) before and after adsorption, respectively, 0.025 (L) is the volume of Ce(III) or Gd(III) solution used for adsorption, and m (mg) is the mass of adsorbent. During the experiment, the pH of the solution was adjusted to the required ...

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  • Carboxymethyl Tamarind-g-poly(acrylamide)/Silica: A

    2019-12-12 · Here, synthesis of an efficient nanocomposite based on a polyacrylamide grafted carboxymethyl tamarind (CMT-g-PAM) and a SiO2 nanoparticle is presented. The synthesized nanocomposites are characterized using FT-IR, SEM, TEM, 13C NMR, elemental analysis, viscosity, rheological measurement, and molecular weight determination. Various characterizations reveal the …

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  • Synthesis and Characterization of Chitosan-Polyvinyl ...

    In the present research program, polymer nanocomposites have been used as the drug carrier for delivery systems of anticancer drug. Chitosan (Cs) and Polyvinyl Alcohol (PVA) with different ratios were blended with different wt% of Cloisite 30B solution by solvent casting method. Glutaraldehyde with different wt% was added to the blended solution as a crosslinking agent.

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  • Stomach-Specific Drug Delivery of Clarithromycin Using

    In this study, chitosan-g-poly(acrylic acid-co-acrylamide)/PVP/MMT (CS-g-poly(AA-co-AAm)PVP MMT) semi-IPN superabsorbent nanocomposite was first synthesized by free radical graft copolymerization method. Then, CAM was loaded in the hydrogel network. …

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  • Development of thermo/pH-responsive chitosan

    2019-6-22 · In this study, thermo/pH-responsive chitosan coated pectin-graft-poly(N,N-diethyl acrylamide) (Pec-g-PDEAAm/CS) microcarriers containing 5-Fluorouracil (5-FU) as a model drug were developed. The structure, thermal stability and surface morphology of 5-FU-loaded microcarriers were investigated using FTIR, XRD, DSC and SEM.

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  • Solid-State Synthesis of Water-Soluble Chitosan-g ...

    Graft copolymers of chitosan with cellulose ether have been obtained by the solid-state reactive mixing of chitin, sodium hydroxide and hydroxyethyl cellulose under shear deformation in a pilot twin-screw extruder. The structure and composition of the products were determined by elemental analysis and IR spectroscopy. The physicochemical properties of aqueous solutions of copolymers were ...

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  • Colon Targeting of 5-Fluorouracil Using Polyethylene ...

    2019-12-12 · Polyethylene glycol cross-linked chitosan microspheres loaded with 5-fluorouracil (5-FU) have been prepared by emulsion cross-linking and enteric coated with cellulose acetate phthalate (CAP) to facilitate direct targeting of 5-FU to the colon. Spherical microspheres with surface ridges to moderate smooth surfaces loaded with different concentrations (i.e., 10, 20, and 30% w/w) of 5-FU have ...

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  • Microwave Enhanced Synthesis of Chitosan-Graft ...

    where, W s is the weight of swollen beads (g) and W is the weight of dry beads (g).. Preparation of 17β-estradiol imprinted polymer by graft copolymerization of acrylamide under microwave irradiation: The preparation of 17β-estradiol imprinted polymer was achieved by the combine use of acrylamide as the functional monomer and cross-linked chitosan particles (chitosan-ECH beads) as supporting ...

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  • Synthesis of poly(3-hydroxyalkanoate) (PHA)

    1991-10-1 · Maykel González Torres, Susana Vargas Muñoz, Silvia G. Solís Rosales, Ma del Pilar Carreón-Castro, Rodrigo Alonso Esparza Muñoz, Roberto Olayo González, Miriam Rocío Estévez González, Rogelio Rodríguez Talavera. Radiation-induced graft polymerization of chitosan onto poly(3-hydroxybutyrate). Carbohydrate Polymers 2015, 133 , 482-492.

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  • Preparation of Poly(acrylic acid-acrylamide/starch ...

    Although the adsorption capacity of activated carbon is very strong, high production cost and poor selectivity limit its extensive usage [18,19]. As a ... The starch-g-poly (acrylic acid-acrylamide) composite was synthesized from starch, acrylic acid and acrylamide. ... Wang, A. Adsorption characteristics of chitosan-g-poly (acrylic acid ...

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  • Synthesis and flocculation characteristics of chitosan

    A flocculant based on chitosan was prepared, and its flocculation behavior was studied. The graft copolymer of acrylamide onto chitosan was synthesized using potassium persulfate as an initiator. The effect of reaction conditions, i.e., deacetylation degree of chitosan (CTS), the effect of the concentration, solution pH, and the initial ...

    Get Price
  • Chitosan for Direct Bioflocculation Processes

    2021-6-3 · production of large volumes of toxic sludge, low biodegradability, water pollution by toxic metals, e.g. aluminum salts are connected to Alzheimer’s disease, and dispersion of acrylamide oligomers, which is also a health hazard because the acrylamide monomer is carcinogenic and neurotoxic to humans (Salehizadeh et al. 2018).

    Get Price
  • (PDF) Design and Fabrication of Artificial Skin:

    The activated poly(AAc)-grafted silicone films were immersed into chitosan (100%) solution at 4 C for 24 h and different compositions of chitosan and gelatin (80/20, 60/40, 40/60, 20/80, and 0/100 wt%) solution at room temperature for 24 h to allow the activated carbonyl groups in the grafted poly(AAc) chains and amino groups in the protein to ...

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  • Preparation and swelling properties of poly(acrylic

    Physico-chemical characterization of pH-sensitive N-Succinyl chitosan-g-poly (acrylamide-co-acrylic acid) hydrogels and in vitro drug release studies S. Bashir , Y. Y. Teo , …

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  • Figure 6 from The properties of conventionally and ...

    polysaccharides are cellulose, chitosan and alginate followed by starch and gellan gum. The studied protein-based polymers are gelatin, collagen, and SF.[15] 2.1.1. Chitosan Chitosan is a biocompatible, biodegradable, antibacterial, pseudo-natural cationic polymer that is derived from approxi-mately 50% deacetylation of chitin which is one of ...

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  • Graphene Oxide/Polymer-Based Biomaterials

    2006-5-31 · Glycol chitosan/poly(vinyl alcohol) interpenetrating polymer network type superporous hydrogels were prepared using a gas foaming/freeze‐drying method. The effect of …

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  • Swelling and mechanical properties of glycol

    2019-5-26 · The influence of polymer concentration and temperature on the rheological behavior of chitosan solution was studied. The threshold concentrations for the different viscometric regimes were determined and the different power laws exponents were calculated and compared with those predicted from models. Different observations and the high values of these exponents within the high …

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  • Viscosity of Semiflexible Chitosan Solutions: Influence

    2018-11-23 · Materials. Ammonium persulfate (APS, MW = 228.20), N-isopropylacrylamide (NIPAAm, MW = 113.16), N,N′-methylene-bis-acrylamide (MBA, MW = 154.17), tetramethylenediamine (TEMED, MW = 116.20, d = 0.775 g/ml);triethylamine (MW = 101.19, d = 0.796 g/mL) acryloyl chloride (MW = 90.51, d = 1.114 g/mL) were purchased from Sigma Aldrich. N-methyl pyrrolidone (NMP) was purchased from …

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  • Honeycomb-like porous chitosan films prepared via

    Honeycomb-like porous chitosan films prepared via phase transition of poly(N-isopropylacrylamide) during water evaporation under ambient conditions† H. Izawa, *ab H. Kajimoto,a M. Morimoto,c H. Saimotoab and S. Ifukuab Honeycomb-like porous chitosan (CS) films are attractive tools for developing functional materials for

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  • (PDF) Design and Fabrication of Artificial Skin:

    The activated poly(AAc)-grafted silicone films were immersed into chitosan (100%) solution at 4 C for 24 h and different compositions of chitosan and gelatin (80/20, 60/40, 40/60, 20/80, and 0/100 wt%) solution at room temperature for 24 h to allow the activated carbonyl groups in the grafted poly(AAc) chains and amino groups in the protein to ...

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  • Synthesis and characterization of carboxymethyl

    2019-3-27 · Mahdavinia G R, Pourjavadi A, Hosseinzadeh H and Zohuriaan M J 2004 Modified chitosan 4. Superabsorbent hydrogels from poly (acrylic acid-co-acrylamide) grafted chitosan with salt-and pH-responsiveness properties Eur. Polym. J 40 1399–407. Crossref Google Scholar

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  • Graphene Oxide/Polymer-Based Biomaterials

    polysaccharides are cellulose, chitosan and alginate followed by starch and gellan gum. The studied protein-based polymers are gelatin, collagen, and SF.[15] 2.1.1. Chitosan Chitosan is a biocompatible, biodegradable, antibacterial, pseudo-natural cationic polymer that is derived from approxi-mately 50% deacetylation of chitin which is one of ...

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  • Synthesis, Characterization, and Sludge Dewaterability ...

    1995-11-1 · Organic matter content (g/kg) 308.73 Sludge specific resistance to filtration (m/kg) 3.74 1013 Physical condition Dark brown with fine particles and a foul stench 2.2. Synthesis and Characterization of CCPAM CMCS (2.0 g), 6.0 g AM, 33.0 mL distilled water, and 2.0 g DMC were weighed into a quartz

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  • Polysaccharides | Free Full-Text | Trends of Chitosan ...

    PNIPAAm (poly(N-isopropyl acrylamide) is widely studied and investigated for its temperature-dependent drug delivery system . The unique property of poly( N -isopropyl acrylamide) lies in its low critical solution temperature (LCST), due to which it is a liquid or soluble form at room temperature while it solidifies to a gel form at the body ...

    Get Price
  • Waterborne Electrospinning of Poly(N-Isopropyl

    2018-3-22 · 81 PO1. Waterborne Electrospinning of Poly(N-Isopropyl Acrylamide) towards Stable Nanofibers Ella Schoolaert 1*, Dagmar R. D’hooge 2, Richard Hoogenboom 3 and Karen De Clerck 1 1Fibre and Colouration Technology Research Group, Department of Textiles, Faculty of Engineering and Architecture, Ghent University, Tech Lane Science Park Campus A 907, 9052 Ghent, Belgium

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  • Preparation and characterization of

    Synthesis and dilute solution rheological studies of dextran‐g‐poly(acrylamide‐co‐sodium acrylates), Polymer Engineering & Science, 10.1002/pen.760240302, 24, 3, (163-168), (2004). Wiley Online Library

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  • Swelling and mechanical properties of glycol

    2006-5-31 · Glycol chitosan/poly(vinyl alcohol) interpenetrating polymer network type superporous hydrogels were prepared using a gas foaming/freeze‐drying method. The effect of …

    Get Price