Results 31 to 40 of about 193,884 (277)

Polypropylene/hemp woody core fiber composites: Morphology, mechanical, thermal properties, and water absorption behaviors

open access: yesAdvances in Mechanical Engineering, 2016
Natural fiber composites composed of polypropylene, maleic anhydride-graft-polypropylene, and hemp woody core fiber were produced by two-roll mill mixing. The hemp woody core fiber was treated by alkaline.
Chakaphan Ngaowthong   +2 more
doaj   +1 more source

Development and characterisation of injection moulded, all-polypropylene composites [PDF]

open access: yes, 2012
In this work, all-polypropylene composites (all-PP composites) were manufactured by injection moulding. Prior to injection moulding, pre-impregnated pellets were prepared by a three-step process (filament winding, compression moulding and pelletizing).
A. Kmetty   +7 more
core   +1 more source

Polypropylene/Maleic Anhydride Grafted Polypropylene (MAgPP)/Coconut Fiber Composites

open access: yesAdvances in Mechanical Engineering, 2016
Natural fiber composites consisted of homopolymer polypropylene, polyoxymethylene, maleic anhydride–grafted polypropylene, and coconut fibers were produced by co-rotating twin screw extruder.
Laongdaw Techawinyutham   +2 more
doaj   +1 more source

Temperature dependence of the interfacial shear strength in glass reinforced polypropylene and epoxy composites [PDF]

open access: yes, 2013
We have recently reported the development of a method which allows the measurement of IFSS over a wide temperature range [6,7]. In this paper we present data obtained using the microbond test in the temperature controlled environment of a thermo ...
Thomason, James, Yang, Liu
core   +3 more sources

An Experimental Study on the Compressive Dynamic Performance of Polypropylene Fiber Reinforced Concrete for Retaining Structure under Automobile Collision Magnitude

open access: yesAdvances in Civil Engineering, 2020
In order to examine the compressive dynamic performance of polypropylene fiber reinforced concrete to be used for the retaining structure under the automobile collision magnitude, an experimental study was carried out by using hydraulic servo on concrete
Furong Li   +3 more
doaj   +1 more source

Studying the behavior of geopolymer concretes under repeated loadings

open access: yesJournal of Engineering and Applied Science, 2021
This article investigates utilization of polypropylene microfibers as reinforcement in geopolymer concrete to enhance the ductility characteristics since the geopolymer concrete is considered a brittle material.
Osamah M. G. Al-Kerttani, Ammar Mutar
doaj   +1 more source

Study on Dynamic Constitutive Model of Polypropylene Concrete under Real-Time High-Temperature Conditions

open access: yesApplied Sciences, 2022
Polypropylene (PP) concrete, a kind of high-performance fiber-reinforced concrete, is widely used in large concrete structures. Studies on the dynamic mechanical properties of polypropylene concrete under temperature–impact load can provide a theoretical
Rui Li, Lei Liu, Huaming An, Ya Wang
doaj   +1 more source

Immobilization of strontium aluminate nanoparticles onto plasma-pretreated nonwoven polypropylene fibers by screen-printing toward photochromic textiles

open access: yesJournal of Materials Research and Technology, 2022
Polypropylene fibers have been applied in various fields, such as automotives, plastic furniture, medical devices, and food packaging. Polypropylene fibers are characterized by low-cost, high flexural and impact strength, as well as high resistant to ...
Hatun H. Alsharief   +6 more
doaj   +1 more source

Mechanical and Thermogravimetric Properties of PP Based Thermoplastic Composites Reinforced with Cotton and Polyester Waste under Dry and Wet Conditions

open access: yesJournal of Natural Fibers, 2022
The textile waste-based composites are environmentally friendly and economical. This study reports polypropylene composites reinforced with cotton fibers extracted from waste textiles and polyester fibers generated in the industry.
Zunjarrao Kamble, Bijoya Kumar Behera
doaj   +1 more source

Effect of Polypropylene Microplastics on Water and Salt Movement and in Saline Soils

open access: yesGuan'gai paishui xuebao, 2023
【Objective】 Polypropylene microplastics are fragments of polypropylene. They exist in soil and have potential impact on soil environment. This paper investigates their influence on water flow and salt redistribution in soil under drip irrigation. 【Method】
WANG Zhichao   +5 more
doaj   +1 more source

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