4 results for “Poly (Vinyl Alcohol)”

Set a search alert

Research ArticleOpen accessEvery word in the titleDose Response and Optical Properties of Dyed Poly Vinyl Alcohol-Trichloroacetic Acid Polymeric Blends Irradiated with Gamma-RaysSusilawati, Aris DoyanProblem statement: The effects of gamma irradiation on optical properties of cresol-red dyed Poly Vinyl Alcohol (PVA) blended with Trichloroacetic Acid (TCA) for possible use in dosimetry and measurement of radiation dose in gamma rays have been studied using both Raman spectroscopy and UV-Visible spectrophotometer method. Approach: The dosimeters are composed of Poly Vinyl Alcohol (PVA), Trichloroacetic Acid (TCA) at … …American Journal of Applied Sciences, Vol. 6, Issue 12 · 31 Dec 2009 · 8,088 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleControlled Release Behaviors of Tribenuron Methyl Herbicide and Potassium Nitrate Fertilizer from Natural Polymer Blended Poly(Vinyl Alcohol) Hydrogel MicrospheresFawzi Habeeb Jabrail, Wajeeh Mohammed Jamil, Maher Zeki Elsabee, Kailash Chandra GuptaPolyvinyl Alcohol (PVA) hydrogel microspheres for controlled release of fertilizer (KNO3) and Tribenuron Methyl Herbicide (TBM) were prepared by blending the naturally occurring Alginate (AL) and Pectin (PE). The cross-linking in PVA hydrogel microspheres was carried out by varying the amount of glutaraldehyde from 0.5-1.0 wt%. To control the loading and release properties of PVA hydrogel microspheres, a small amount … …American Journal of Applied Sciences, Vol. 16, Issue 5 · 13 Jul 2019 · 7,673 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsControlled Delivery System for NPK Agrochemical Release from Chitosan Copolymer HydrogelsMaysam S. Mutlaq, Fawzi Habeeb JabrailChitosan (CS) the polysaccharide was copolymerized with Poly (Vinyl Alcohol) (PVA) for the preparation of CS-co-PVA hydrogel and with Carboxymethyl Cellulose (CMC) for CS-co-CMC hydrogel. The prepared hydrogels were characterized by FTIR, thermal analysis (TGA and DSC), and SEM. The hydrogels were studied for agriculture applications, where their ability to swell and take large quantities of water many times its … …American Journal of Applied Sciences, Vol. 19, Issue 1 · 8 Sep 2022 · 6,746 accessesView PDF Cite

Research ArticleOpen accessIn the abstractMass Production of Uniformly Sized Air-Filled Poly-Lactic Acid Microcapsules Made from Microbubble TemplatesJay Molino, Svetlana Jojlova, Hirofumi Daiguji, Fumio TakemuraHollow poly(Lactic Acid) (PLA) microcapsules were fabricated using the bubble template method. In this method, microbubbles nucleated inside droplets of a dichloromethane solution of PLA which were located in a continuous phase of poly(vinyl alcohol). PLA-covered microbubbles formed when PLA adsorbed to the bubble surface by physisorption. Then, the coated microbubbles were spontaneously released from the droplet´s interior into the … …American Journal of Applied Sciences, Vol. 16, Issue 7 · 20 Aug 2019 · 7,756 accessesView PDF Cite