Abstract:PVA hydrogels are largely used for biomedical applications due to their biodegradability, biocompatibility, and suitable mechanical strength. These hydrogels can be synthetized by several methods. In this work hydrogels were obtained by two methods, freezing/thawing, and crosslinking with citric acid. The degree of swelling for both types of hydrogels was in the range of 60-70% which corresponds to a medium degree of swelling. Young’s modulus measurements gave values in the range of 0.20 to 4.00 MPa, which are… Show more
“…Flory–Huggins interaction parameter for the PVA–water system is calculated based on the hydroxyl groups present in the PVA molecular chain, and the value is found to be 0. 32 While adding 0.01 weight percent of probe sonicated rGO to aqueous PVA, the few hydroxyl groups present in rGO might have formed hydrogen bonding with PVA. 33 Though rGO filler is partially miscible in water, probe sonication helped to form a suitable polymer composite formulation to ensure a hassle-free electrospinning process and uniform membrane.…”
Contamination of water by oil poses a significant risk to the entire ecosystem and has led to the development of advanced materials and processes for its remediation. Current membrane based...
“…Flory–Huggins interaction parameter for the PVA–water system is calculated based on the hydroxyl groups present in the PVA molecular chain, and the value is found to be 0. 32 While adding 0.01 weight percent of probe sonicated rGO to aqueous PVA, the few hydroxyl groups present in rGO might have formed hydrogen bonding with PVA. 33 Though rGO filler is partially miscible in water, probe sonication helped to form a suitable polymer composite formulation to ensure a hassle-free electrospinning process and uniform membrane.…”
Contamination of water by oil poses a significant risk to the entire ecosystem and has led to the development of advanced materials and processes for its remediation. Current membrane based...
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