The need for renewable and biodegradable materials packaging applications has grown significantly in recent years. Growing environmental worries over the widespread using of synthetic non-biodegradable polymeric packaging, particularly polyethylene linked to this increase demand. This work focuses on degradation low-de,nsity LDPE properties which is basically widely used after adding different natural fillers, sustainable, compatible, polymers .The was mixed with (2.5, 5, 10) wt% each...

The need for renewable and biodegradable materials packaging applications has grown significantly in recent years. Growing environmental worries over the widespread use of synthetic non-biodegradable polymeric packaging, particularly polyethylene, are linked to this increase demand. This study investigated degradation properties low-density polyethylene (LDPE), a material commonly used after incorporating various natural fillers that sustainable, compatible, biodegradable. LDPE was mixed...

This paper investigates the flow, thermal and mechanical properties of waste polypropylene (WPP) reinforced with silica (SiO 2 ) nanoparticles (NPs). Recently researches prove that addition NPs to thermoplastic polymer produces significant change in its properties. SiO 0.001, 0.003, 0.006, 0.009, 0.012 0.015wt% were mixed WPP using twin screw extruder. The mixing process performed at 10 rpm 190°C. topography particle size distribution 0.006 0.015 concentrations samples are analyzed atomic...

This paper study the effect of calcium carbonate (CaCO 3 ) nanoparticleson mechanical and physical properties virgin waste polypropylene (pp . ). 3, 5, 7 10 (wt. %) CaCO nanoparticles are mixed with each pp These mixture blended in co-rotating twin screw extruder at 190 °Cand different speed (25 50 rpm). Different technique used to evaluate characteristics polymer nanocomposites ex: Tensile strength , elastic modulus impact hardness density. The results pp./(CaCO showed that tensile...

The present paper investigates the influences of ZnO nanoparticles on rheological behavior waste polypropylene and their relationship with surface morphology.The modified composites are composed in content 3, 5, 7 10 weight percentages.Two techniques used to incorporate matrix.The first one uses an ultrasonic device distribute alcohol solvent second a rotating twin screw extruder at 25 rpm 190°C produce polymer nanocomposite sheet.Different microstructure morphological (X-ray diffraction XRD...

This study investigates the effect of Calcium Carbonate and Zinc Oxide nanoparticles on thermal behavior virgin waste polypropylene. CaCO3 at content (3, 5, 7 10 wt. %) mixed with PP by using co-rotating twin screw extruder 25 rpm 190°C. Two techniques used to incorporate ZnO in two steps: first one acetone solvents ultrasonic device then produce nanocomposite sheet. Fourier Transmitted Infraredspectroscopy (FTIR) test check structure X-Ray Diffraction is crystallinity nanocomposite. Thermal...

Numerical Study of mixed convection in square enclosure filled by air, which has two sinusoidal walls with different locations outer walls, when a circular rotating cylinder is entered to the being approached throughout this paper. A dimensional, time independent, laminar variable Richardson number during range from (0.1 œ) at Ra=10 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">5</sup> and D=0.4L using Fluent ANSYS 16. The work goes further...

Abstract This work focuses on the re-use of biopolymer wastes to produce pipes and reduce impact these materials environment. The ratios 10, 20, 30 40wt% recycled polyethylene terephthalate (RPET) were added reference blend, which consists low-density (RLDPE) high-density (RHDPE). Rheological mechanical tests performed blends. blend RLDPE RHDPE was already successful in manufacturing pipes. capillary rheometer used check shear viscosity stress behaviour with rate increasing for different...

Abstract This research studies the preparation and characterization of polyurethane foams, which are produced from reaction isocyanate Methylene Diphenyl Diisocyante “MDI” polyol with water being used as a chemical blowing agent. The effect concentration on cross-linking formation samples its influence final properties foams were investigated. Each type polyols (Local commercial market polyester, Quickmast120 Quickmast110 polyether) mixed at equivalent ratio (isocyanate: polyol) (0.5:1, 1:1,...

Rheological properties investigation of polymer solution with inorganic nanoparticles aqueous mixtures were studied.In the present work, Polyvinyl Acetate (PVAc) was used in a form solution, while titanium dioxide (TiO 2 ) as an additive.PVAc loaded 0, 0.5, 1, 2, 3, and 4 weight percent (wt.%) TiO nanoparticles, where maximum concentration wt.% that gives enough information about behaviour.Cone on plate Rheometer applied to measure rheological characteristics PVAc/TiO mixture flow at...

The Swarm Intelligence Optimization Methods were widely used in science.Animals' swarming behaviour mainly inspires these methods.Conventional optimization for Harris Hawks (HHO) is a recent technique based on the hunting strategy of harris hawks.The parallelism was this study to try improve original version algorithm.The improved algorithm sets parameters two controllers designed 4-link flexible joint manipulator's dynamic performance.The integral sliding mode controller controls joints,...

Polypropylene is an adaptable polymer since its properties can be changed to meet particular issues. The effect of mineral fillers (CaCO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub> and wollastonite) with a distinction in the size on rheological, mechanical tribological polypropylene (PP) have been examined. Variety concentrations CaCO wollastonite are blended utilizing velocity twin-screw extruder was 25 rpm 190°C. Shear viscosity,...

This research focuses on the effect of nanomaterials physical properties a local Iraqi lubricant oil (20W-50), which is widely used in diesel engines. The concentrations 0.001, 0.2 and 0.5 wt% Al2O3 NPs CNT are dispersed with help suitable surfactant using magnetic stirrer sonication process. density, surface tension, dynamic viscosity, kinematic flash point, fire pour thermal conductivity, images, wear coefficient friction without tested. results were shown that higher NPs, better for...

Abstract Natural biopolymers are the most likely choice for biomedical applications, and starches can be considered best materials such applications. This comes from fact of their natural origin high biodegradable behavior. Native have weak hydrogen bonding a leaching behavior – making it candidate drug delivery application. Still, to make starch useful as carrier, this must strengthened. In work, native sweet potato was used, between molecules enhanced by introducing glycerol source sodium...

This work studies the production of microspheres from biopolymer towards using as drug carrier and elucidation effect flow behavior on properties microspheres. Poly(vinyl alcohol) PVA 2, 2.5, 3 wt% was mixed with 18% Dextrin using sonication process then stirred for 20 h at 5°C. Different samples were taken after 4, 8, 12, 16, hr during stirring each concentration. Optical Microscopy, Zeta potential AFM used to check size, shape, distribution, stability rest. Dynamic viscosity shear...

In this paper, an adaptive neuro-fuzzy based on fractional-order proportional-integral-derivative (ANFFOPID) controller with improved slime mould algorithm (ISMA) for the two-legged robot (TLR) is proposed to achieve minimum angular displacement error of joint motors. Achieving such considered a challenging and time-consuming process due gain values set FOPID controller. Thus neural-fuzzy network used provide input signals by magnitude gains. The mechanism depends ISMA train neural weights....

Abstract Rheological properties are very significant in determining processing performance. The increase of only a few percent nanoparticles by weight will result substantial improvement rheological properties. This work focuses on studies shear viscosity, stress and pressure at rate range (3-1500) s −1 temperature 170 °C. flow low-density polyethylene melt nanocomposite experimentally studied single-bore capillary rheometer with length-to-diameter ratio (10:1) numerically using...

Abstract Simulation and modeling are very strong tools to design simulate engineering cases that can be difficult ably experimentally. In microscale domains, simulation play a role maintain results for specific hard explain in microfluidic devices Microfluidic were developed mixing, separation, drug delivery, microspheres formation. Drug delivery have tight relationship solve discuss the behavior of under variable formation process conditions. The main goal this research is discover...

The polymer recovery efficiency of cationic polyacrylamide (PAM) has been evaluated for use as flooding in the Basra oil reservoir Initially, rheological, physical and petro were studied. Additionally, core experiment tested to see how well PAM solutions can be recovered. comparative study between experimental numerical solution accomplished terms rheological properties , relative permeability curve production. results showed that exhibit shear thinning effect which efficiently improve...