Quasi-Living Polymerization of Propene with an Isotactic-Specific Zirconocene Catalyst
Molecules, 2017 Propene polymerization with isotactic (iso)-specific C2-symmetric rac-Me2Si(2-Me-Benz(e)-Ind)2ZrCl2 (1) and rac-Me2Si(2-Me-4-Ph-1-Ind)2ZrCl2 (2) were conducted under various conditions for achieving iso-specific living polymerization of propene.
Kei Nishii +2 more
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A general kinetic model for the photothermal oxidation of polypropylene [PDF]
, 2014 A general kinetic model for the photothermal oxidation of polypropylene has been derived from the basic auto-oxidation mechanistic scheme in which the main sources of radicals are the thermolysis and photolysis of the most unstable species, i.e ...
FRANÇOIS-HEUDE, Alexandre +3 more
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Characteristics of the fibroplasia and collagen expression in the abdominal wall after implant of the polypropylene mesh and polypropylene/polyglecaprone mesh in rats [PDF]
Acta Cirúrgica Brasileira, 2016 PURPOSE: To compare fibroplasia and the resistance of the abdominal wall when polypropylene meshes and polypropylene/poliglecaprone are used. METHODS: Seventy-seven male Wistar rats were divided into three groups: Control Group (for resistance); Group E
Maria de Lourdes Pessole Biondo-Simões +8 more
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Modification of polypropylene mesh by titanium compound: An in Vivo and in Vitro study
Frontiers in Materials, 2023 Objective: Previous basic studies on the use of titanized polypropylene meshes in abdominal external hernia repair are not only limited, but also highly controversial.
Yelei Xiao +5 more
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Influence of temperature, UV-light wavelength and intensity on polypropylene photothermal oxidation [PDF]
, 2014 A criterion based on the energy absorbed by photosensitive species was proposed to describe the contribution of UV-light to the initiation of the polypropylene photothermal oxidation whatever the light source. The calculation of this energy was performed
COLIN, Xavier +3 more
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Real-time quantitative analysis of volatile products generated during solid-state polypropylene thermal oxidation [PDF]
, 2013 Analysis of volatile organic compounds (VOCs) during PP thermal oxidation under three oxygen partial pressures (0%, 21% and 100% of atmospheric pressure) at 140 C was performed by proton transfer reaction coupled with Fourier transform ion cyclotron ...
LEPROVOST, Julien +6 more
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Advances 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
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Polypropylene/Maleic Anhydride Grafted Polypropylene (MAgPP)/Coconut Fiber Composites
Advances 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
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Studying the behavior of geopolymer concretes under repeated loadings
Journal 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
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Applied 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
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