Results 21 to 30 of about 36,721 (285)
مجلة بغداد للعلوم, 2019 In this work, synthesis of conducting polymeric films namely, PVC thin films was carried out containing Schiff base (L) with Cu2+, Cr3+, Ni2+, Co2+, in addition to inspecting the possibilities of measuring energy gap values of PVC-L-M with variety metal ...
Yousif et al.
doaj +1 more source
Synthesis of new thiophene derivatives and their use as photostabilizers for rigid poly(vinyl chloride) [PDF]
, 2015 Five new thiophenes, namely, N-[(3-bromo-2-methylthiophen-5-yl)methylene]-4-methoxyaniline (4a), N-[(3-bromo-2-methylthiophen-5-yl)methylene]-3,4-dimethoxyaniline (4b), N-[(3-bromo-2-methylthiophen-5-yl)methylene]-3,4-dimethylaniline (4c), 3-[(3-bromo-2 ...
Ahmed, Ahmed +4 more
core +3 more sources
Journal of Bioresources and Bioproducts, 2019 Waste cooking oil was modified to prepare bio-base plasticizers (a, b and c) with terephthalic acid, adipic acid and benzoic acid by transesterification, epoxidation and ring opening reactions, respectively.
Guodong Feng +5 more
doaj +1 more source
Photo Stabilization of Poly (Vinyl Chloride) Films by Some Nickel Complexes
Academic Science Journal, 2023 This study looked at the utilization of certain nickel complexes and their effects on the photodegradation of poly vinyl chloride. PVC films were cast using a 0.05 w/w by weight compound concentration Tetrahydrofuran (THF) solvent (80µm thickness ...
Ahmed Salim Ibrahim
doaj +1 more source
Process monitoring and visualization solutions for hot-melt extrusion : a review [PDF]
, 2013 Objectives: Hot-melt extrusion (HME) is applied as a continuous pharmaceutical manufacturing process for the production of a variety of dosage forms and formulations.
De Beer, Thomas +3 more
core +2 more sources
Synergistic Effects of Chitosan/Polyvinylchloride-Metals Oxides Nanoparticles Films Under Ultraviolet Light Exposure: Stability and Performance Insights [PDF]
Nanochemistry ResearchChitosan, an important biomacromolecule, and polyvinyl chloride (PVC), a well-synthetic polymer, were amalgamated to produce crosslinked blended membranes using UV irradiation.
Shams A. Ismeal +7 more
doaj +1 more source
Development of PVC films, resistant mold influence [PDF]
E3S Web of Conferences, 2019 Along with the use of plasticizers in the development of polymeric materials with specific properties, special substances such as fungicides are also used because of the negative impact on the polyvinyl chloride materials of microorganisms. In the present work, the possibility of practical application of butylbutoxyethyl phthalate (BBOEP) and ...
Mazitova Aliya +2 more
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Investigation the Effect of Thermal Agent on Physical Properties of PVC-PVA Blended
مجلة بغداد للعلومIn this study, the optical characteristics of polyvinyl chloride(PVC), polyvinyl alcohol (PVA) and binary PVA - PVC blend films at various concentrations PVA75% + PVC25%, PVA50% + PVC50%, and PVA25% + PVC 75% are examined in relation to temperature ...
Zainab j. Neamah +2 more
doaj +1 more source
Indonesian Journal of Chemistry, 2022 Three arms Schiff base unit based on melamine moiety was synthesized and introduced to polyvinyl chloride (PVC) to produce a modified PVC polymer. The polymer composite of new modified PVC polymer was blended with micro copper oxide as a reflecting ...
Mohammed Hussein Al-Mashhadani +5 more
doaj +1 more source
Dielectric Study of PVC-LiF Composites Films
Iraqi Journal of Science, 2021 PVC-LiF composites films with different lithium fluoride (LiF) concentrations (0, 30, 50, and 70 weight %) were prepared by using the casting method. This research deals with the investigation of dielectric properties for PVC-LiF composite films as a function of frequency and temperature in the ranges of 100 to 107 Hz and 293 - 370 K, respectively. The
openaire +2 more sources