Superabsorbent Hydrogel
Synthesis of Alginate-polyacrylonitrile Superabsorbent hydrogel
... The superabsorbent hydrogel, alginate- poly(NaAA-co-AAm), was synthesized through alkaline hydrolysis of alginate-PAN physical mixture. The reaction of alginate alkoxide anions with nitrile groups of ...
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Synthesis and Investigation of a Novel pH- and Salt-Responsive Superabsorbent Hydrogel Based on Pectin
... a superabsorbent hydrogel based on Pectin (Pec) and polyacrylic acid ...for hydrogel formation was suggested and the structure of the product was established using FTIR and SEM ...acrylate) ...
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Photo-induced Sodium salt of Partially Carboxymethylated Psyllium-g-Polyacrylonitrile: II. Synthesis, Characterization and Swelling Behaviour of its Superabsorbent Hydrogel
... Abstract- Polyacrylonitrile (PAN) grafted sodium salt of partially carboxymethylated psyllium (Na-PCMPSy-g-PAN, %G = 219.62 and %GE = 99.85) was prepared using the established optimized reaction conditions in the case of ...
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Hydrolyzed salep/gelatin-g-polyacrylamide as a novel micro/nano-porous superabsorbent hydrogel: Synthesis, optimization and investigation on swelling behavior
... micro/nano-porous superabsorbent hydrogel was synthesized via graft copolymerization of acrylamide (AAm) onto salep (a polysaccharide mixture) and a gelatin (a protein) hybrid backbone, after hydrolysis of ...
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Drug Release Study from Superabsorbent Hydrogel Based on Poly 2-acrylamido-2-methylpropanesulfonic Acid Grafted Collagen
... protein-based superabsorbent hydrogel was synthesized via graft copolymerization of 2-acrylamido-2- methylpropanesulfonic acid (AMPS) onto collagen backbones in an aqueous solution using a persulfate ...
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Eco Friendly and Non Toxic Superabsorbent Hydrogel as Food Packaging Packets [Article Retracted]
... CMC sodium salt was successfully prepared with degree of substitution 0.65. Intrinsic viscosity of the prepared Na-CMC 0.184, degree of polymerization 9.38×10 3 , and average number molecular weight 1.69×10 6 . An eco- ...
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Synthesis of a Novel Pectin-Based Superabsorbent Hydrogel with Salt and pH-Responsiveness Properties
... smart superabsorbent hydrogel with salt- and pH-responsiveness properties was obtained by grafting of mixtures of acrylic acid (AA) and acryl amide (AM) monomers onto pectin, using ammonium persulfate (APS) ...
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Synthesis of Cellulose-Based Superabsorbent Hydrogel from Rice Husk Using a Microwave
... the superabsorbent hydrogel was successfully synthesized from rice husk cellulose derivatives via carboxymethylcellulose using a microwave, this shows that 1,2-ethanediol can be used as cross-linking agent ...
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Acrylic Acid Neutralization for Enhancing the Production of Grafted Chitosan Superabsorbent Hydrogel
... synthesize superabsorbent hydrogels, some were using gamma-irradiation [24], [25], [30], [31], blue and green LED irradiations [32], microwave irradiation [26], and electron beam irradiation ...the ...
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Association of carbon isotope discrimination with leaf gas exchange and water use efficiency in maize following soil amendment with superabsorbent hydrogel
... chemicals, superabsorbent polymers (SAPs), as good water-saving additives and soil amendments, have been widely used in cropping production systems in semiarid and arid regions (Guilherme et ...
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Synthesis and Evaluation of pH and Salinity-Sensitive Superabsorbent Hydrogel Based on Starch-g-poly (MAA-co-HEMA) as Oral Drug Delivery Systems
... starch-based superabsorbent polymers to be used as carriers for the controlled delivery of cis-platin loaded ...for hydrogel formation was proposed and the structure of the product was established using ...
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Viscoelastic and Rheological Properties of Carboxymethyl Cellulose /Starch/Graphite Oxide as Superabsorbent Hydrogel Nano Composites (SHNCs)
... Abstract: Uncross-linked carboxymethyl cellulose (CMC) / starch blend used to prepare two hydrogels; the first is cross- linked CMC / starch with aluminum sulfate octadecahydrate cross-linker and the second is SHNCs ...
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Swelling and Characterization Behavior of Anti-salt Superabsorbent based on Carboxymethyl Cellulose-g-PAA-co-BuMC Hydrogel
... the hydrogel that, in turn, causes a stronger affinity for more absorption of ...the hydrogel increases the swelling capacity due to osmosis and charge ...
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Synthesis of pH Sensitive Hydrogel Based on Starch Polyacrylate Superabsorbent
... The superabsorbent hydrogel, starch-g—poly(NaAA-co- HEMA), was synthesized through graft copolymerization ...absorbency superabsorbent in solutions with pH = 8 was 95 ...the hydrogel or drug ...
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Valorization of Superabsorbent Polymers from Used Disposable Diapers as Soil Moisture Conditioner
... of superabsorbent hydrogel amendments has been reported previously ...the hydrogel usage for the plant survival and growth of the plants has been reported in various studies ...
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Preparation and Properties of Carrageenan g Poly(Acrylic Acid)/Bentonite Superabsorbent Composite
... biopolymer-based superabsorbent hydrogel composite based on kappa-carrageenan (κC) have been prepared via graft copolymerization of acrylic acid (AA) in the presence of bentonite powder using ...
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Urine Output Determination From Superabsorbent and Regular Diapers Under Radiant Heat
... liable measurements of diaper weights for infants cared for under radiant warmers can be obtained by: (1) using either open superabsorbent diapers or closed premature infant diapers (nev[r] ...
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A REVIEW: HYDROGEL IN TOPICAL DRUG DELIVERY
... Topical delivery involves absorption of drug from the formulation or preparation into the body. This is the best route used to provide accurate quantity of medicine reaches into the body where they are needed. Skin is ...
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Polyamine Polymeric Micelle Hybrid Hydrogel: Microscopic Properties of Crosslinkers Affecting Macroscopic Rheological Properties of Hydrogel
... the hydrogel properties—the storage modulus (G') and the loss modulus (G")—and the gelation time by using a rheometer (RS600, Thermo Electron, Germany, Sensor: ...
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A G4·K+Hydrogel stabilized by an anion
... to 90 ° C, and then let the mixture cool to reform a transparent hydrogel. We then used variable-temperature 1 H NMR spec- troscopy to measure the amounts of A and dA in the sol phase. As shown in Table 1, the GB ...
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