Changes in free volume and gas permeation properties of poly(vinyl alcohol) nanocomposite membranes modified using cage‐structured polyhedral oligomeric silsesquioxane

2020 ◽  
Vol 138 (10) ◽  
pp. 49953
Author(s):  
Valiya Parambath Swapna ◽  
Abitha Vayyaprontavida Kaliyathan ◽  
Vakkoottil Sivadasan Abhisha ◽  
Hanna Joseph Maria ◽  
Padinharu Madathil Gopalakrishnan Nambissan ◽  
...  
Keyword(s):  
Free Volume ◽  
Vinyl Alcohol ◽  
Polyhedral Oligomeric Silsesquioxane ◽  
Gas Permeation ◽  
Poly Vinyl Alcohol ◽  
Nanocomposite Membranes ◽  
Oligomeric Silsesquioxane ◽  
Permeation Properties

Free volume defects and transport properties of mechanically stable polyhedral oligomeric silsesquioxane embedded poly(vinyl alcohol)‐poly(ethylene oxide) blend membranes

2019 ◽  
Vol 68 (7) ◽  
pp. 1280-1291 ◽  
Author(s):  
Valiya Parambath Swapna ◽  
Padinharu Madathil Gopalakrishnan Nambissan ◽  
Selvin P Thomas ◽  
Abitha Vayyaprontavida Kaliyathan ◽  
Thomasukutty Jose ◽  
...  
Keyword(s):  
Ethylene Oxide ◽  
Transport Properties ◽  
Free Volume ◽  
Vinyl Alcohol ◽  
Polyhedral Oligomeric Silsesquioxane ◽  
Poly Vinyl Alcohol ◽  
Blend Membranes ◽  
Poly Ethylene Oxide ◽  
Poly Ethylene ◽  
Oligomeric Silsesquioxane

Effect of nanostructured polyhedral oligomeric silsesquioxane on the physical properties of poly(vinyl alcohol)

2017 ◽  
Vol 134 (43) ◽  
pp. 45447 ◽  
Author(s):  
Swapna Valiya Parambath ◽  
Deepalekshmi Ponnamma ◽  
Kishor Kumar Sadasivuni ◽  
Sabu Thomas ◽  
Ranimol Stephen
Keyword(s):  
Physical Properties ◽  
Vinyl Alcohol ◽  
Polyhedral Oligomeric Silsesquioxane ◽  
Poly Vinyl Alcohol ◽  
Oligomeric Silsesquioxane

Polyhedral oligomeric silsesquioxane/polyamide bio-nanocomposite membranes: structure-gas transport properties

RSC Advances ◽  
2015 ◽  
Vol 5 (15) ◽  
pp. 11272-11283 ◽  
Author(s):  
Dhorali Gnanasekaran ◽  
A. Shanavas ◽  
Walter W. Focke ◽  
Rotimi Sadiku
Keyword(s):  
Transport Properties ◽  
Gas Transport ◽  
Polyhedral Oligomeric Silsesquioxane ◽  
Cost Effective ◽  
Solvent Casting ◽  
Nanocomposite Membranes ◽  
Casting Method ◽  
Facile Synthesis ◽  
Gas Transport Properties ◽  
Oligomeric Silsesquioxane

Prepared cost-effective and environmentally-friendly POSS/PA by facile synthesis via solvent casting method. Conspectus study and morphology correlation with gas-transport properties. Effective H-bonds of POSS and PA facilitate separation properties.

Free volume and lamellar structure of poly vinyl alcohol-nanosized BaTiO3 composite: Positron annihilation and small angle X-ray scattering study

2016 ◽  
Vol 84 ◽  
pp. 100-110 ◽  
Author(s):  
Sandeep K. Sharma ◽  
Jyoti Prakash ◽  
Jitendra Bahadur ◽  
Manjulata Sahu ◽  
Subhashish Mazumder ◽  
...  
Keyword(s):  
Positron Annihilation ◽  
Free Volume ◽  
Small Angle ◽  
Vinyl Alcohol ◽  
Lamellar Structure ◽  
Poly Vinyl Alcohol ◽  
X Ray ◽  
X Ray Scattering ◽  
Scattering Study ◽  
Ray Scattering
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