Results 281 to 290 of about 967,661 (341)
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Alginate/polyvinyl alcohol films for wound healing: Advantages and challenges.
Journal of Biomedical Materials Research. Part B - Applied biomaterials, 2022The skin is the largest organ in the human body and its physical integrity must be maintained for body homeostasis and to prevent the entry of pathogenic microorganisms.
Matheus Morais Saraiva +8 more
semanticscholar +1 more source
A Review on Flame-Retardant Polyvinyl Alcohol: Additives and Technologies
Polymer Reviews, 2022The output of bio-based polyvinyl alcohol (PVA) has been growing rapidly with a substantial increase of developments both in academic and industrial research areas in the past decade, which is due to its water solubility, plasticity, and degradability ...
Xingguo Wang +7 more
semanticscholar +1 more source
ACS Applied Materials and Interfaces, 2021
CO2 and O2 gas permeability are paramount concerns in food packaging. Here, the permeability of cellulose nanocrystals (CNCs) and polyvinyl alcohol (PVA) coatings was explored as it relates to varied CNC content.
M. Nuruddin +6 more
semanticscholar +1 more source
CO2 and O2 gas permeability are paramount concerns in food packaging. Here, the permeability of cellulose nanocrystals (CNCs) and polyvinyl alcohol (PVA) coatings was explored as it relates to varied CNC content.
M. Nuruddin +6 more
semanticscholar +1 more source
Polyvinyl alcohol and modified polyvinyl alcohol reverse osmosis membranes
Desalination, 1993Abstract A study was conducted on the insolubilization of polyvinyl alcohol. Polyvinyl alcohol was regarded as a stable material for the formation of gel layer base membranes, which could then be further modified to produce RO membranes with good salt retention.
Sanderson R.D. +4 more
openaire +2 more sources
Journal of Cellular Plastics, 2016
Foams for biomedical applications were made from polyvinyl alcohol, polyvinyl alcohol / polyvinyl pyrrolidone blend and their nanocomposites with nanoclay by clean processes. Air was entrapped into the aqueous polymer solutions during vigorous mixing and then the solutions were freeze-dried. The foams structure was stabilized by crosslinking via gamma
Susan Dadbin +2 more
openaire +2 more sources
Foams for biomedical applications were made from polyvinyl alcohol, polyvinyl alcohol / polyvinyl pyrrolidone blend and their nanocomposites with nanoclay by clean processes. Air was entrapped into the aqueous polymer solutions during vigorous mixing and then the solutions were freeze-dried. The foams structure was stabilized by crosslinking via gamma
Susan Dadbin +2 more
openaire +2 more sources
Diethylphosphonacetals of polyvinyl alcohol
Polymer Science U.S.S.R., 1970THE production of linear phosphorus-containing polymers of high mol.wt, is known to "be difficult [1]. Polymer-analogue reactions are quite promising for this purpose, but only where mild conditions are used, and where the reaction does not result in secondary products. These rquirements are met by the acetalation of polyvinyl alcohol (PVA).
L.Kh. Gazizova +4 more
openaire +2 more sources
Kinetics of acetalization of polyvinyl alcohol and of hydrolysis of acetalized polyvinyl alcohol
Die Makromolekulare Chemie, 1959AbstractLa cinétique d'acétalisation de l'alcool polyvinylique au moyen d'acétaldéhyde a été étudiée en soulution dioxanne‐eau à différentes températures en présence d'acide sulfurique comme catalyseur.L'ordre de la réaction est unitaire par rapport à la concentration en acide et en acétaldéhyde.
G. Smets, B. Petit
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Environmental Science and Technology, 2020
Traditional polyamide-based interfacial polymerized nanofiltration (NF) membranes exhibit upper bound features between water permeance and salt selectivity. Breaking the limits of the permeability and rejections of these composite NF membranes are highly
Xuewu Zhu +9 more
semanticscholar +1 more source
Traditional polyamide-based interfacial polymerized nanofiltration (NF) membranes exhibit upper bound features between water permeance and salt selectivity. Breaking the limits of the permeability and rejections of these composite NF membranes are highly
Xuewu Zhu +9 more
semanticscholar +1 more source
International Journal of Polymeric Materials and Polymeric Biomaterials, 2020
Hydrogels produced from a single polymer show several disadvantages to biomedical applications. Binary and ternary blends of chitosan, gelatin, and polyvinyl alcohol can lead to hydrogels with better and desirable properties than those hydrogels made ...
R. Rodríguez-Rodríguez +3 more
semanticscholar +1 more source
Hydrogels produced from a single polymer show several disadvantages to biomedical applications. Binary and ternary blends of chitosan, gelatin, and polyvinyl alcohol can lead to hydrogels with better and desirable properties than those hydrogels made ...
R. Rodríguez-Rodríguez +3 more
semanticscholar +1 more source
Use of polyvinyl alcohol in the manufacture of polyvinyl chloride
British Polymer Journal, 1973AbstractThe stabiliser used in the suspension polymerisation of vinylchloride influences greatly the quality of the resulting polyvinyl chloride, in particle size and distribution, and the absorption rate of plasticiser, etc.The relationship between the manufacturing conditions of polyvinylalcohol (PV‐OH) and its dispersing power was studied using ...
Makoto Shiraishi, Kentaro Toyoshima
openaire +2 more sources