Letteratura scientifica selezionata sul tema "Polypropylene expansé"
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Articoli di riviste sul tema "Polypropylene expansé":
Gulieva, T. M. "COPPER-CONTAINING NANOCOMPOSITES ON THE BASIS OF ISOTACTIC POLYPROPYLENE AND BUTADIENE-NITRILE RUBBER". Azerbaijan Chemical Journal, n. 3 (28 settembre 2021): 38–43. http://dx.doi.org/10.32737/0005-2531-2021-3-38-43.
Liu, Changkun, Jizhen Jia, Ji’an Liu e Xiaoyan Liang. "Hg selective adsorption on polypropylene-based hollow fiber grafted with polyacrylamide". Adsorption Science & Technology 36, n. 1-2 (27 gennaio 2017): 287–99. http://dx.doi.org/10.1177/0263617416689480.
Potapova, Ekaterina, Ekaterina Dmitrieva, Aung Kyaw Nian e Elena Tsvetkova. "Gypsum Composite Reinforced with Polymer Fibers". Key Engineering Materials 910 (15 febbraio 2022): 880–86. http://dx.doi.org/10.4028/p-dgyem5.
Barczewski, Mateusz, Danuta Matykiewicz, Olga Mysiukiewicz e Paweł Maciejewski. "Evaluation of polypropylene hybrid composites containing glass fiber and basalt powder". Journal of Polymer Engineering 38, n. 3 (28 marzo 2018): 281–89. http://dx.doi.org/10.1515/polyeng-2017-0019.
Kurbanova, N. I., T. M. Gulieva e N. Ya Ischenko. "Properties of nanocomposites based on isotactic polypropylene and high-pressure polyethylene with metal-containing nanofillers". Perspektivnye Materialy, n. 9 (2020): 59–64. http://dx.doi.org/10.30791/1028-978x-2020-9-59-64.
Kurbanova, N. I., S. K. Ragimova, N. A. Alimirzoeva, N. Ya Ishenko e V. V. Medyakov. "Composites based on isotactic polypropylene and high-pressure polyethylene with zink-containing nanofillers". Perspektivnye Materialy 11 (2021): 47–53. http://dx.doi.org/10.30791/1028-978x-2021-11-47-53.
Kurbanova, N. I., S. K. Ragimova e T. M. Guliyeva. "Composites based on isotactic polypropylene and high pressure polyethylene with nichel-containing nanofillers". Perspektivnye Materialy 2 (2024): 51–57. http://dx.doi.org/10.30791/1028-978x-2024-2-51-57.
Kurbanova, N. I., S. K. Ragimova, N. A. Alimirzoeva e N. Ya Ishenko. "Copper-containing nanocomposites on the basis of isotactic polypropylene and butadiene-nitrile rubber". Perspektivnye Materialy 5 (2021): 76–81. http://dx.doi.org/10.30791/1028-978x-2021-5-76-81.
MOODLEY, R. S., R. GOVINDEN e B. ODHAV. "The Effect of Modified Atmospheres and Packaging on Patulin Production in Apples". Journal of Food Protection 65, n. 5 (1 maggio 2002): 867–71. http://dx.doi.org/10.4315/0362-028x-65.5.867.
Levin, R. E., M. A. Shamraeva, I. M. Larina, D. S. Bormotov, S. I. Pekov, A. S. Shivalin, S. V. Silkin et al. "THE DEVELOPMENT OF A METHOD FOR DIRECT MASS SPECTROMETRIC ANALYSIS OF BIOLOGICAL SAMPLES USING POROUS SAMPLERS". Aerospace and Environmental Medicine 55, n. 1 (2021): 99–103. http://dx.doi.org/10.21687/0233-528x-2021-55-1-99-103.
Tesi sul tema "Polypropylene expansé":
Dilger, Melvin. "Flame retardant expanded polypropylene for applications in electric vehicles : design and mechanism of action". Electronic Thesis or Diss., Université de Lille (2022-....), 2023. http://www.theses.fr/2023ULILR066.
Today the sector of transport is changing with the transition from thermal vehicles to electrical vehicles. Thus, the materials widely used in vehicles as EPP also have to change due to higher requirements in terms of fire properties.In this thesis, three approaches were considered to increase the fire properties of EPP and reach a V0 rating at UL-94 vertical test, according to the three steps of manufacturing EPP. In fact, to manufacture EPP, three steps are necessary: (1) the polypropylene (PP) is melt blended with various additives via an extrusion process, (2) the blended PP is expanded, i.e. an expansion gas is introduced into it to form EPP beads and (3) the EPP beads are then molded into the desired shape. Before investigating the different approaches, the UL-94 vertical test was instrumented in order to obtain more information and have a better understanding in terms of fire properties. The different approaches considered were: (1) incorporating flame retardants and synergists into the PP matrix before expansion, this is the most common approach. This approach was deeply investigated with a comparison between several FRs with different modes of action (intumescent FR, free radical generator, etc), an optimization of the most efficient FRs combination and a study of the influence of industrial manufacturing, especially the expansion step. Indeed, the FRs can disrupt the foaming processability (expansion step), due to the high amount of FRs needed and the fact that FRs can play the role of nucleating agents. Moreover, the mechanism of action of the chosen FRs was studied before and after the expansion step. To counter the complexity of the expansion step in the approach (1), alternative approaches were studied in order to validate others concept. The alternative (2), applying a flame-retardant coating on the EPP beads (before molding) and (3) applying a flame-retardant coating to the molded final piece (EPP bars). However, these approaches have also some drawbacks. Indeed, the EPP has poor adhesion properties because it has no functional groups. Thus, an optimization of a plasma treatment was needed in order to increase the adhesion of EPP. Several flame retardant coatings were applied on the surface and the moldability of the coated EPP beads was studied. Finally, the fire properties at UL-94 vertical test of the molded coated EPP beads and coated EPP bars were studied
Atti di convegni sul tema "Polypropylene expansé":
Fan, Digang, Ruixin Wu, Yimin Hu e Xintao Li. "An Expand Polypropylene Based High-performance Electromagnetic Wave Absorber". In 2019 International Applied Computational Electromagnetics Society Symposium - China (ACES). IEEE, 2019. http://dx.doi.org/10.23919/aces48530.2019.9060712.
Kurup, G. Surya Narayana, Sona P. S., Luthfa U, Varsha Manu e Amal Azad Sahib. "Undrained Strength Characteristics of Fibre Reinforced Expansive Soils". In International Web Conference in Civil Engineering for a Sustainable Planet. AIJR Publisher, 2021. http://dx.doi.org/10.21467/proceedings.112.19.