Among these and many other great properties, polypropylene is easily fabricated. Although strength properties are somewhat lower than carbon fiber and it. Concrete, polypropylene fibers, compressive strength, split tensile strength. Microstructure and mechanical properties of sisal particles reinforced polypropylene composite. Glass fiber reinforced polymer gfrp is a fiber reinforced polymer made of a plastic matrix reinforced by fine fibers of glass. It offers a great combination of properties such as lightweight, strong, high heat resistance, as well as stiffness and flexural retention. Polypropylene is a tough, rigid and crystalline thermoplastic.
Now, i like to present the physical and chemical properties of polypropylene. This plastic product is known as a non woven polypropylene. Pdf physical and mechanical properties of polypropylene. The mechanical properties of polypropylene fiber reinforced. Physical properties of polypropylene bags natural building blog. Polypropylene is the first stereoregular polymer to have achieved industrial importance. Polypropylene fiber and its manufacturing process, properties, advantages, disadvantages and applications of polypropylene fiber introduction. Pdf performance of polypropylene fibre reinforced concrete. Physical and mechanical properties of polypropylene wood. Introduction the fiber dispersion into concrete is one of the technique to improve the building properties of concrete. Continuous meshes, woven fabrics and long wires or rods are not considered.
Of the stereoregular isomers, only isotactic pp is used for fiber preparation. The primary objectives of this investigation were to determine the benefits of using polypropylene fibre reinforced concrete pfrc. Polypropylene pp is the homopolymer that is widely used for production of nonwoven fabric. Morphology, mechanical, thermal properties, and water absorption behaviors chakaphan ngaowthong1,2, vilai rungsardthong3 and suchart siengchin1,4 abstract natural fiber composites composed of polypropylene, maleic anhydridegraftpolypropylene, and hemp woody core fiber were produced by tworoll. Fiber glass is a lightweight, strong, and robust material used in different industries due to their excellent properties. The process of preparing composites and test samples is described. Various fiber treatments, which are carried out to improve the fiber matrix adhesion to get improved mechanical properties.
Fiber length distributions were analyzed using profile projector and image analyzer software system. Pdf effect of polypropylene fiber on properties of mortar. It is also spun into fibres for employment in industrial and household. Polypropylene pp, also known as polypropene, is a thermoplastic polymer used in a wide variety of applications. Additionally, the air entraining agent aga introduces many bubbles in concrete, and it may increase the damping performance of the concrete to a certain extent. Physical and mechanical properties of polypropylene woodcarbon fiber hybrid composites article pdf available in bioresources 111.
Pdf this paper represents comparative experimental study on mechanical performance of polypropylene fibre reinforced concrete pfrc. Pdf strength properties of nylon and polypropylene. Polypropylene can be subjected to a wide range of fabrication methods and. Isotactic polypropylene, silver nanoparticles, zinc nanoparticles, melt spinning, antibacterial ef. Fiber aspect ratio of more than 100 was achieved after injection molding. The fibres have a low density, are chemically inert and non corrosive. In this study, the mechanical properties of polypropylene ppnatural fiber composites were studied. Experimental study on the mechanical properties of concrete. A dedicated textile fashion education informations blog polypropylene is a. Chemical and physical properties of polypropylene incca. Properties of polypropylene fiber reinforced concrete.
The interest in the use of fibers for the reinforcement of composites has increased during the last several years. One of the important family of polyolefin resins, polypropylene is molded or extruded into many plastic products in which toughness, flexibility, light weight, and heat resistance are required. Polypropylene fibers are synthetic fibers obtained as a. Effect of polypropylene fiber on properties of bagasse ash. Properties of antibacterial polypropylenenanometal composite. Moreover, the polypropylene mesh fiber is better than the polypropylene monofilament fiber in improving flexural strength and toughness of concrete, but the two types of polypropylene fibers are inferior to steel fiber. The colour is incorporated within the fibre itself. It is a linear hydrocarbon polymer expressed as cnh2n. The investigations were performed using the dmta method.
The essential objective of this work is to study the mechanical properties of cement mortar containing different percentages of polypropylene fiber. The effectiveness of reinforcement essentially depends on the adhesion between matrix and fiber, so this is a key factor in determining the final properties of the composite material, particularly its mechanical properties 1,57. Properties of antibacterial polypropylenenanometal. In the manufacture of polypropylene resins, considerable advances have been made. Mechanical and damping properties of recycled aggregate. Application of impact resonance method for evaluation of the. The article presents the results of the investigations of isotactic polypropylene composites with the following fillers. The compressive and splitting tensile strengths and modulus of rupture mor of. Polypropylene fiber has a considerably low cost to the the effect of polypropylene fibers on the mechanical properties international journal of energy science and engineering vol. Fiber reinforced concrete types, properties and advantages. The investigations of thermomechanical properties of. The objective of the present study is to manufacture lyocell fiber reinforced polypropylene matrix composites followed by the evaluation of their mechanical as well as physical properties.
Fiber reinforced concrete are of different types and properties with many advantages. Experimental investigation of properties of polypropylene and. Influence of process parameters on mechanical properties of. Polypropylene fiber, workability, compressive strength, flexural resistance, split tensile strengths etc 1. The physical and chemical properties of polypropylene plastic fibers ppf used in this investigation are presented in table 4. Glass fiber reinforced polypropylene mechanical properties. Pp fibers affects the various properties of concrete in fresh and hardened state such as compressive strength, tensile strength, flexural strength, workability, bond. The effect of the melt index of pp on the mechanical properties of the composites was also investigated. As soon as it appeared on the market, half a century ago, polypropylene appeared as a promising fiber forming polymer but with some difficulties in processing due to a lack of control of its viscoelastic properties and in durability due to its low stability to oxidation.
Polypropylene is a100% synthetic fiber which is transformed from 85% propylene. Polypropylene, a synthetic resin built up by the polymerization of propylene. A dedicated textile fashion education informations blog polypropylene is a 100% synthetic textile fiber. Pdf effect of polypropylene fiber on properties of. Polypropylene fiber article about polypropylene fiber by. Long glass fiber polypropylene technology for automotive applications jeroen van poucke, allan james dow automotive abstract the use of long glass fiber reinforced polypropylene pp in injection molded parts has found new applications due to ease of processing, attractive economics, and good balance of properties.
Properties of polypropylene fiber reinforced concrete and. The paper deals with the effects of addition of various proportions of polypropylene fibers on the properties of high strength concrete m30and m40 mixes. Polypropylene pp fibers contain, according to iso 2076, minimally an 85% portion of macromolecular polypropylene chains and maximally 15% of another fiber forming polymer, the content of nonfiberforming substance being unlimited. Fiber effects on concrete properties were assessed. Polypropylene matrix was procured at a local market in. Polypropylene fiber physical and chemical properties of polypropylene posted by textile fashion guide. Special attention is paid to the interfacial adhesion, uniform distribution of fibers, and. Strength properties of polypropylene fiber reinforced concrete kolli. Pdf study on the properties of high strength polypropylene fiber. Properties of composite polypropylene fibers 85 acta chimica slovaca, vol. Sustainability free fulltext influence of the fiber.
Pdf mechanical properties of polypropylene fibre reinforced. Mechanical properties of injection molded long fiber. Lowest thermal conductivity of any natural or synthetic fibre 6. Because polypropylene has the ability to be broken down in the environment easily, scientists have discovered a way to create an environmentally friendly plastic bag. Polypropylene pp is a rigid and crystalline thermoplastic used widely in everyday objects like packaging trays, household products, battery cases, medical devices, etc. Mechanical properties of polypropylene fibre reinforced concrete. Polypropylene is dopedyed meltdyed, which is the most colourfast of any colouring methods, and produces fibres and yarns that are colourfast, washfast, lightfast and faderesistant. Polypropylene belong to the group of polyolefins and is partially crystalline and nonpolar. Physical properties of polypropylene bags posted on october 9, 2010 by owen geiger october 9, 2010 the following text and list of properties has been gathered from various poly bag supplier websites to give you a snapshot view of poly earthbags. Polypropylene fiber ppf have been extensively used as a reinforcement in portland cement. In this study, the results of the strength properties of polypropylene fiber reinforced concrete have been presented. Application of impact resonance method for evaluation of the dynamic elastic properties of polypropylene fiber reinforced concrete by adham elnewihy basc, american university in cairo, 20 a thesis submitted in partial fulfillment of the requirements for the degree of master of applied science in the department of mechanical engineering.
Polypropylene fiber reinforcement is consid ered to be an effective method for improving the shrinkage cracking characteristics, toughness and impact resistance. Such concrete is also used in retrofitting and repairing the covering of concrete structure, tunnels, etc. An experimental study was conducted on the cement mortar reinforced by the different percentages of polypropylene fibre 0. Microstructure and mechanical properties of sisal particles. Polypropylenepp is the homopolymer that is widely used for production of nonwoven fabric. Performance of polypropylene fibre reinforced concrete. The tensile strength of raw coir and jute fiber reinforced hybrid polypropylene composite at different fiber loading is shown in fig. Few studies have investigated the properties of rac modified with polypropylene fiber pp and aga. Mechanical properties of polypropylenenatural fiber. Effects of wood fiber characteristics on mechanical. Mechanical properties of fiberreinforced pp composites frpcs are studied by many researchers and few of them are discussed in this article. Pdf effect of polypropylene fiber on properties of mortar dr. An experimental research investigation of the fresh and hardened material properties of fibrillated polypropylene fiber reinforced concrete is reported.
Fiber reinforced concrete can be defined as a composite material consisting of mixtures of cement, mortar or concrete and discontinuous, discrete, uniformly dispersed suitable fibers. Polypropylene fibers at relatively low volume fractions secondary temperature shrinkage reinforcement, overlays and pavements, slabs, flooring systems. Pdf the properties of high strength polypropylene pp fiber reinforced concretes with 0, 0. A combination of high strength, stiffness and thermal resistance favorably characterizes the fiibers. Polypropylene is a polymer that can be both used as a structural fabric and as a fibre. Polypropylene pp fibers contain, according to iso 2076, minimally an 85% portion of macromolecular polypropylene chains and maximally 15% of another fiberforming polymer, the content of nonfiberforming substance being unlimited. Polypropylenefiberreinforced concrete impacts the early shrinkage during the plastic stage of concrete, and the fiber volume content influences the durabilityrelated properties of concrete. Polypropylene fibres retain more heat for a longer period of time, have excellent insulative properties in apparel, and combined with its hydrophobic nature keeps wearer dry and warm.
Physical and mechanical properties of polypropylenewoodcarbon fiber hybrid composites djamila kada,a,b,c sebastien migneault,c ghezalla tabak,b and ahmed koubaa c, effects of the addition of short carbon fibers cfs on the mechanical, physical, and morphological properties of polypropylene pp and wood. All the polypropylene and steel fibers have no great beneficial effect on the abrasionerosion resistance of concrete. The strength potential of nylonfiberreinforced concrete was investigated versus that of the polypropylenefiberreinforced concrete, at a fiber content of 0. As soon as it appeared on the market, half a century ago, polypropylene appeared as a promising fiberforming polymer but with some difficulties in processing due to a lack of control of its viscoelastic properties and in durability due to its low stability to oxidation. The samples with added polypropylene fibres of 1% and 1. Of the stereoregular isomers, only isotactic pp is. Explore this comprehensive guide and learn everything you need to know about this widely used thermoplastic. In this study, the results of the strength properties of polypropylene fiber.
Tensile properties of polypropylene fibers sciencedirect. Polypropylene pp also termed as polypropene is thermoplastics in nature. The mechanical properties of polypropylene fiber reinforced concrete. Polypropylene fiber and its manufacturing process, properties. Experimental investigation of properties of polypropylene and nonwoven spunbond fabric harsh kansal vimal industries, kalaamb, himachal pradesh, india abstract. The sieved sisal powder shown in figure 1 was used as the reinforcement. Select a product number from the table below to view a product data sheet for these materials using polypropylene as the base resin. The purpose of this paper was to investigate the influence of fiber volume content on the mechanical properties, durability, and chloride ion penetration of polypropylenefiberreinforced concrete in a. It is a linear structure based on the monomer cnh2n. Polypropylene fibers are synthetic fibers obtained as a byproduct from textile industry. It is produced via chaingrowth polymerization from the monomer propylene. In recent years, many studies have been conducted in. An experimental program was carried out to explore its effects on compressive, tensile, flexural strength under different curing condition.
Peijs a,b a department of materials, queen mary, university of london, mile end road, london e1 4ns, uk. This paper investigates on analyzing the effects of use of polypropylene fiber in the mechanical properties of cement mortar. Pdf mechanical properties of polypropylene composites a. For the natural fiber component of the composites, cotton fiber was compared with wood fiber. Pp polymer is one of the most versatile polymers and is used as both plastic and as fiber.
Chemical and physical properties of polypropylene several different polymerisation methods can be used to produce pp, but all rely on exposing the propylene monomer to high temperatures and pressures in the presence of an active metal catalyst. Mechanical engineering department, dayananda sagar academy of technology and management, bangalore, india. This paper presents an overview of the effect of polypropylene pp fibers on various properties of concrete in fresh and hardened state such as compressive strength, tensile strength, flexural strength, workability, bond strength, fracture properties, creep strain, impact and chloride penetration. Polypropylene production capacity, market and price. Properties of composite polypropylene fibers for technical. Analytical estimation of elastic properties of polypropylene fiber matrix composite by finite element analysis. Its properties are similar to polyethylene, but it is. Tensile properties of the composite sample were measured for each fiber constant 5 10 15 and 20 % with the help of stress strain curve. Polypropylene fiber physical and chemical properties of.
Analytical estimation of elastic properties of polypropylene. Experimental investigation of properties of polypropylene. To determine the properties of the fresh concrete mixtures using fiber. Data sheets for these products are generally not available on our website.
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