In this work, the influence of a modification and fillers on dimensional stability warpage semi-crystalline polypropylene compounds in screw-based Large Area Additive Manufacturing is investigated by material characterization experimental testing. Polypropylene modified blending an amorphous polyolefin-copolymer as well addition three different talc, glass fibers, hollow beads, resulting eight ...

We describe the formation of amphiphilic polymeric assemblies via a three-step functionalization process applied to polypropylene (PP) nonwovens and to reference hydrophobic self-assembled n-octadecyltrichlorosilane (ODTS) monolayer surfaces. In the first step, denatured proteins (lysozyme or fibrinogen) are adsorbed onto the hydrophobic PP or the ODTS surfaces, followed by cross-linking with g...

Abstract Mostly used material is concrete which has versatile quality for construction works. Fibrous have significant factor that improve the scale and value to humid environments with role. Day by day abundant demand use of increasing. It considered as a 2 nd largest building due major productivity. By fibrous concrete, some bonding environmental issues been addressed. Keeping in this view, a...

Cement-based concrete is the most widely used building and construction material in the world. Although concrete itself is relatively durable when used under the mild environments, its intrinsic weak tensile strength greatly limits its application due to its porous structure. Traditional strategies to overcome this weakness of concrete include utilization of various reinforcing materials, such ...

Polypropylene (PP) has poor adhesion to metals and other surfaces for its chemical structure. Hence, chemical modification of PP is necessary for metal surface coating application. In this research, grafting of maleic anhydride (MA) onto co(propylene-b-ethylene) in the presence of a dicumyl peroxide (DCP) was accomplished in a single screw extruder. Characteristics of the modified polymer were ...

Waste tires, rubbers, plastic and steel materials, normally produced in every society, enter the environment and cause serious problems. These problems may, to some extent, be reduced by finding applications for them in engineering, for example, they can be used for geotechnical applications as backfill material and solving problems with low shear strength soils. Such materials may be subjected...

The behaviour of façade anchors in high performance fiber reinforced concrete (HPFRC) has not been investigated sufficient detail recent years. regulations the European Technical Approvals also do fully describe load-bearing capacity anchor systems. Due to increase production HPFRC elements, it is necessary analyse impact added fibers composition on anchors. In particular, filigree which one ma...

In recent years, the scientific community has shown a growing interest in fiber-reinforced concrete (FRC) for modern structures due to its enhanced ductility compared traditional reinforced (RC). This paper introduces an analytical model that incorporates comprehensive fiber reinforcing index (RI) study various types of FRC. The analysis focuses on compressive and tensile behaviors, damage evol...