Physico-Chemical, Mechanical and Morphological Properties of Biodegradable Films Based on Arrowroot Starch and Poly(vinyl alcohol)

2021 ◽  
pp. 1-24
Author(s):  
José Augusto de Almeida Nascimento ◽  
Amanda Félix dos Santos ◽  
Ivo Diego Lima Silva ◽  
Eduardo Henrique Lago Falcão ◽  
Douglas de Britto ◽  
...  
Keyword(s):  
Vinyl Alcohol ◽  
Morphological Properties ◽  
Poly Vinyl Alcohol ◽  
Biodegradable Films ◽  
Physico Chemical ◽  
Arrowroot Starch

scholarly journals Physico-chemical characteristics of gamma irradiation crosslinked poly(vinyl alcohol)/magnetite ferrogel composite

2014 ◽  
Vol 68 (6) ◽  
pp. 743-753 ◽  
Author(s):  
Milena Marinovic-Cincovic ◽  
Aleksandra Radosavljevic ◽  
Jelena Krstic ◽  
Jelena Spasojevic ◽  
Natasa Bibic ◽  
...  
Keyword(s):  
Gamma Irradiation ◽  
Vinyl Alcohol ◽  
Magnetic Particles ◽  
Heating Temperature ◽  
Crosslinking Agent ◽  
Poly Vinyl Alcohol ◽  
Chemical Characteristics ◽  
Physico Chemical ◽  
Soft Actuators ◽  
Pva Hydrogel

Magnetic field sensitive gels, ferrogels are new promising class of hydrogels. The coupling of hydrogels and magnetic particles has potential application in soft actuators such as artificial muscles or for hyperthermia application. Here a composite of magnetite particles (Fe3O4) and poly(vinyl alcohol) (PVA) hydrogel is developed using gamma irradiation as a crosslinking agent. PVA and Fe3O4 were chosen because of their well-established biocompatibility, radiation crosslinking potential (PVA), mild magnetic properties and the Curie point near desired heating temperature range (Fe3O4). Physico-chemical characteristics of these systems show the effect of the presence of particles in the process of radiation-induced crosslinking. Obtained PVA/Fe3O4 ferrogel composite has greater swelling capacity, activation energy of dehydration and dehydration rate compared to PVA hydrogel, crosslinked under the same conditions.

Physico-chemical studies of chitosan-poly(vinyl alcohol) blends plasticized with sorbitol and sucrose

1997 ◽  
Vol 34 (1-2) ◽  
pp. 9-19 ◽  
Author(s):  
Ioannis Arvanitoyannis ◽  
Ioannis Kolokuris ◽  
Atsuyoshi Nakayama ◽  
Noboru Yamamoto ◽  
Sei-ichi Aiba
Keyword(s):  
Vinyl Alcohol ◽  
Poly Vinyl Alcohol ◽  
Physico Chemical ◽  
Chemical Studies

Influence of Boswellic acid on physical, structural and morphological properties of poly (vinyl alcohol) films

2020 ◽  
Vol 27 ◽  
pp. 100370
Author(s):  
Shivayogi S. Narasagoudr ◽  
Veena G. Hegde ◽  
Vinayak N. Vanjeri ◽  
Ravindra B. Chougale ◽  
Saraswati P. Masti
Keyword(s):  
Vinyl Alcohol ◽  
Morphological Properties ◽  
Poly Vinyl Alcohol ◽  
Boswellic Acid

Research Development of Biodegradable Modification of Poly (vinyl alcohol) Film

2011 ◽  
Vol 380 ◽  
pp. 234-237
Author(s):  
Yu Bin Lv ◽  
Quan Xiao Liu ◽  
Wen Cai Xu ◽  
Jin Li Li
Keyword(s):  
Polyvinyl Alcohol ◽  
Vinyl Alcohol ◽  
Degradation Rate ◽  
Degradation Process ◽  
Poly Vinyl Alcohol ◽  
Film Material ◽  
Research Development ◽  
Biodegradable Films ◽  
Film Properties ◽  
Biodegradable Film

Polyvinyl alcohol (PVA) is a kind of biodegradable film material, and its degradation process is mainly done through PVA-degrading enzymes, but the film biodegradation cycle is longer, so it needs other polymers with favorable biodegradability to improve the degradation rate in the nature environment. In this paper the biodegradation mechanism of PVA films and the influence of structural feature on biodegradability were described. The research development of starch-based biodegradable PVA films by blending starch to reduce the biodegradation cycle was emphasized and the biodegradable films modified by chitosan to improve film properties was briefly described.

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