نتایج جستجو برای: poly vinyl alcohol nanocomposites

تعداد نتایج: 215219  

Journal: :Macromolecular Materials and Engineering 2021

Low-dimensional carbon nanostructures are ideal nanofillers to reinforce the mechanical performance of polymer nanocomposites due their excellent properties. Through molecular dynamics simulations, poly(vinyl alchohol) (PVA) reinforced with a single-layer diamond – diamane is investigated. It found PVA/diamane exhibits similar interfacial strengths and pull-out characteristics PVA/bilayer-graph...

Journal: :Polymer Chemistry 2023

Upcycling of plastic waste is approached by designing multifunctional molecules for reactive compatibilization investigations a model polymer blend, here polyethylene (PE) and poly(ethylene- co -vinyl alcohol) (EVOH).

2013
Nazar Mohammad Ranjha Samiullah Khan

The present review aims to give a closer look of hydrogels based on chitosan and poly (vinyl alcohol) and to discuss their potential biomedical applications in drug delivery system. Various investigations based on chitosan/poly (vinyl alcohol) carried out recently by researchers have been reported in this review. Moreover different chemical and physical crosslinking methods used for hydrogels f...

2013
HOSSEIN HOSSEINZADEH

Poly(vinyl alcohol) hydrogels have a significant range of mechanical properties based on compositional and processing parameters. Biodegradable hydrogels based on Poly(vinyl alcohol) were prepared for controlled drug delivery of bovine serum albumin. These hydrogels were synthesized by a crosslinking technique using glutaraldehyde as a crosslinker. Hydrogels containing drug were prepared by dir...

2009
Amit Khairnar Parridhi Jain Dheeraj Baviskar Dinesh Jain Rajendra Nagar

Mucoadhesive buccal patch of Aceclofenac were prepared using polymer like Gelatin, Poly Sodium CMC and Poly Vinyl Alcohol. Eight formulations were prepared with varying the concentration of Poly Sodium CMC and evaluated for various parameters like weight variation, patch thickness, volume entrapment efficiency %, and measurement of % elongation at break, folding endurance, in vitro mucoadhesive...

Journal: :Soft Matter 2021

The sol–gel transition and the mechanical properties of a supramolecular poly(vinyl alcohol)–iodine complex can be tuned in time thanks to an “iodine clock”.

Journal: :Langmuir : the ACS journal of surfaces and colloids 2011
Juan Guo Lei Zhu Ming Jiang Daoyong Chen

In this article, we demonstrate that by tethering carboxyl groups of poly(10,12-pentacosadiynoic acid) (PDA) to a poly(vinyl alcohol) (PVA) matrix, PDA, which is irreversible in its pure form, becomes reversible in the thermochromism. The tethering is realized by simple but deliberately designed processes: (1) Disperse the commercially available monomer 10,12-pentacosadiynoic acid (DA) nanocrys...

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