Academic literature on the topic 'Polypropylene Mechanical properties'

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Journal articles on the topic "Polypropylene Mechanical properties"

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S, Karthik A., and Dr S. V. Gorabal. "A Study on Mechanical Properties of E-Glass Polypropylene Epoxy and S-Glass Polypropylene Epoxy Composites." International Journal of Trend in Scientific Research and Development Volume-2, Issue-5 (August 31, 2018): 571–75. http://dx.doi.org/10.31142/ijtsrd15903.

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KUNIMITSU, TATSUMA. "Mechanical Properties of Polypropylene Fiber." Sen'i Gakkaishi 77, no. 4 (April 15, 2021): P—150—P—154. http://dx.doi.org/10.2115/fiber.77.p-150.

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Shubhra, Quazi TH, AKMM Alam, and MA Quaiyyum. "Mechanical properties of polypropylene composites." Journal of Thermoplastic Composite Materials 26, no. 3 (December 12, 2011): 362–91. http://dx.doi.org/10.1177/0892705711428659.

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Ogata, Nobuo, Michihiro Miyagoshi, Takashi Ogihara, and Kokichi Yoshida. "Mechanical Properties of Polypropylene Blends." Sen'i Gakkaishi 51, no. 6 (1995): 248–56. http://dx.doi.org/10.2115/fiber.51.6_248.

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Lu, Chun. "Mechanical Properties of Polypropylene Fiber Reinforced Concrete Pavement." Advanced Materials Research 739 (August 2013): 264–67. http://dx.doi.org/10.4028/www.scientific.net/amr.739.264.

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concrete materials with low tensile strength, easy to crack, and the brittleness of the shortcomings in the polypropylene fiber concrete can improve performance. The compressive strength and flexural strength of the mechanical properties of polypropylene fiber reinforced concrete pilot study shows that the fiber content and curing age a great influence on the mechanical properties of polypropylene fiber reinforced concrete, the polypropylene fibers affordable dosage take1.5 percent is appropriate.
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Allahverdiyeva, Kh V. "PHYSICAL-MECHANICAL PROPERTIES OF NANOCOMPOSITES BASED ON GRAPHITE AND MODIFIED POLYOLEFINS." Chemical Problems 19, no. 4 (2021): 232–40. http://dx.doi.org/10.32737/2221-8688-2021-4-232-240.

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The influence of the graphite concentration on the main physical-mechanical properties of nanocomposites based on such polyolefin as high density polyethylene, low density polyethylene and polypropylene is considered. Properties such as tensile yield stress, ultimate tensile stress, and ultimate bending strength, elongation at break, heat resistance, flexural strength, MFI, and melting points are analysed. To improve the compatibility of the mixed components of the mixture, we used an Exxelor PO1040 compatibilizer for all grades of polyethylene and Exxelor PO1020 for polypropylene. Graphite was introduced into the composition of polyolefin at the following concentrations: 1.0, 3.0, 5.0, 10, 15, 20, and 30 wt%. As a result of the research, it was found that the introduction of graphite into the composition of polyolefin was accompanied by an improvement in strength characteristics with maximum at various concentrations. For high density polyethylene, the maximum values of strength characteristics are observed at 3.0 wt%, for low density polyethylene at 10 wt%, and for polypropylene at 5.0 wt% content of graphite. It revealed that such a difference in the value of the threshold concentration of graphite which provides the maximum value of strength indicators,was directly related to the degree of crystallinity of the polymer matrix.
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Mezey, Zoltán, and Tibor Czigány. "Mechanical Investigation of Hemp Fiber Reinforced Polypropylene with Different Types of MAPP Compatibilizer." Materials Science Forum 537-538 (February 2007): 223–30. http://dx.doi.org/10.4028/www.scientific.net/msf.537-538.223.

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Mechanical properties of hemp fiber reinforced polypropylene were investigated. Hemp fibers were carded together with polypropylene fibers, and needle punched. Composites were prepared by hot pressing of the PP/hemp mats. Hemp content was varied between 0 and 50 % by weight, in 10% steps. A treatment with two different maleic anhydride grafted polypropylenes was applied in order to increase the fiber/matrix surface adhesion. Tensile, three-point bending and Charpy tests were carried out on the treated and untreated composites.
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Yunus, Robiah Bt, N. H. Zahari, M. A. M. Salleh, and Nor Azowa Ibrahim. "Mechanical Properties of Carbon Fiber-Reinforced Polypropylene Composites." Key Engineering Materials 471-472 (February 2011): 652–57. http://dx.doi.org/10.4028/www.scientific.net/kem.471-472.652.

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In this paper, the mechanical properties of carbon fiber polypropylene composites prepared under various process conditions were investigated. Two different types of polypropylene composites were produced by mixing and compressing the mixtures using hot press. The mixture was prepared by mixing polypropylene with chopped carbon fiber and carbon fiber percentage (wt%) was varied. Mechanical properties investigated were tensile test, impact test, bending test and density test. The Scanning Electron Microscopy (SEM) was employed to study the morphology of the composites. The highest tensile strength was obtained for polypropylene (MFI 60) composites reinforced with 10 wt% carbon fiber. The composite also exhibited the best tensile and flexural properties.
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TAKAYAMA, Tetsuo, and Yasuhiro MORI. "Mechanical properties of nanofiber reinforced polypropylene." Proceedings of the Materials and Mechanics Conference 2017 (2017): OS0425. http://dx.doi.org/10.1299/jsmemm.2017.os0425.

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Cristina-Elisabeta, PELIN, STEFAN Adriana, PELIN George, DINCA Ion, FICAI Anton, ANDRONESCU Ecaterina, and VOICU Georgeta. "Mechanical Properties of Nanofilled Polypropylene Composites." INCAS BULLETIN 7, no. 2 (June 12, 2015): 113–21. http://dx.doi.org/10.13111/2066-8201.2015.7.2.11.

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Dissertations / Theses on the topic "Polypropylene Mechanical properties"

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Duxbury, J. "Mechanical properties and structure of highly oriented polypropylene." Thesis, University of Leeds, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376804.

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Espert, Ana. "Srategies for improving mechanical properties of polypropylene/cellulose composites." Doctoral thesis, KTH, Fibre and Polymer Technology, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-179.

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The interest for polypropylene/cellulose composites has experienced a great increase in different applications such as car interiors and construction materials. Cellulose fibres are inexpensive, renewable, biodegradable, they present lower density and their mechanical properties can be compared to those of inorganic fillers. However, several factors must be considered when designing polypropylene/cellulose composites: the poor compatibility between the hydrophilic fibres and the hydrophobic thermoplastic matrix leads to a weak interface, which has to be improved by coupling agents; the hydrophilic nature of the fibres makes them very sensitive towards water absorption, which also leads to a loss of properties and swelling with subsequent dimensional instability; the reduced thermal stability of cellulose fibres leads to degradation of the fibres at thermoplastic processing temperatures producing odours in the final material; and finally the properties of composites are greatly influenced by the structure, size and quality of the fibres.

Pulp fibres modified by different methods in order to enhance the compatibility fibre-matrix, were tested. Modified fibres led to improved mechanical properties and thermal behaviour when used in composites with recycled polypropylene.

Four different types of natural fibres were used as reinforcement in two different polypropylene types: virgin and recycled polypropylene. The mechanical properties of the composites were mostly dependent on the fibre loading and slightly dependent on the type of fibre. Moreover, water absorption kinetics was studied by the Fickian diffusion theory. After absorption, a remarkable loss of properties was observed.

Hydrolysed cellulose fibres showed a greater enhancing effect on polypropylene than non-hydrolysed cellulose fibres. This is attributed to the greater mechanical properties of reduced cellulose structures.

The effect of using cellulose fibres in PP/clay nanocomposites was also studied. The interaction between the clay particles and the cellulose fibres and the combined effect of both reinforcements were believed to be the main reasons for the enhancing properties.

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Espert, Ana. "Strategies for improving mechanical properties of polypropylene/cellulose composites." Doctoral thesis, Stockholm : Fiber- och polymerteknologi, KTH, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-179.

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Zhong, Zhaoping. "Relationship between the micromorphology and mechanical properties of semicrystalline polypropylene." Thesis, Brunel University, 1996. http://bura.brunel.ac.uk/handle/2438/5354.

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The objective of this research project was to carry out the investigation of the relationship between processing conditions, micromorphology and mechanical properties of isotactic polypropylene homopolymer using conventional and shear controlled orientation injection moulding (SCORIM) techniques by systematically changing carefully controlled processing conditions, mould geometry and compound additives. Both SCORIM and conventional techniques were employed for iPP injection moulding using three moulds of different shapes by varying the processing conditions, including nozzle temperature, mould temperature, injection speed, hold pressure and oscillating patterns of pistons. The results obtained were compared so as to indicate the differences in microstructure and physical properties resulting from the two moulding techniques. A range of analytical methods were employed. Optical transmitted light microscopy was used to reveal the skin-core morphology and preferentially oriented fibrous textures. Transmitted Electron Microscopy represented the enlargement of the fibrous alignment. Micro hardness analysed the hardness and isotropy characteristics by measuring the diagonal lengths of the indentations. Mechanical testing determined Young's modulus, the strength and toughness of the mouldings. X-ray diffraction exhibited the distribution of the cc, 6 and 7 crystalline phases of the iPP mouldings. The WAXS Debye patterns confirmed the existence of the preferred orientation through the thickness of the moulding. Differential Scanning Calorimetry analysed the thermal behaviour from the endothermal and exothermal curves. In the initial stage of the study, the polypropylene was moulded in the form of a standard tensile bar on a conventional Sandretto injection machine in order to obtain the basic characteristics of the polypropylene study material, which could then be used to compare with those properties to be gained using the SCORIM technique. A ring mould was then used in a Negri Bossi twin injection machine to investigate improvements in uniformity of micromorphology and dimensional reproducibility of mouldings made possible by four live-feed injection moulding. Later, a study was carried out on injection moulding of polypropylene by varying processing conditions, including three hold pressures, two mould temperatures and two nozzle temperatures for both conventional and SCORIM injection processes by using a rectangular bar mould in a Demag injection moulding machine. In the finial stage, the study explores the influences of composition, in essence a limited range of nucleating agents, and processing methods, and aspects of the micromorphology, dimensional control and the mechanical properties of polypropylene. Polypropylene, as a sernicrystalline polymer, represents a class of materials in which mechanical properties are strongly influenced by processing conditions and micromorphology.
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Msuya, Winston Filipo Seth. "The influence of physical ageing and morphology on yield in polypropylene." Thesis, [Hong Kong] : University of Hong Kong, 1988. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12434036.

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Kalyanam, Sriram. "Effect of silane coupling agents on the mechanical properties of glass polypropylene composites." Thesis, Georgia Institute of Technology, 1994. http://hdl.handle.net/1853/8563.

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Roy, Saroj K. (Saroj Kumar). "Dynamic mechanical relaxations of ultradrawn polyethylene and polypropylene films." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=72813.

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Hill, Alistair R. "The mechanical properties of glass fibre reinforced and rubber toughened polypropylene." Thesis, University of Surrey, 1991. http://epubs.surrey.ac.uk/843764/.

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The mechanical properties and fracture mechanics of a series of short glass fibre reinforced and rubber toughened polypropylene composite grades has been studied. The microstructural characteristics of composite grades were examined and, through appropriate models, related to the observed mechanical properties. The moulded material was modelled as being composed of fibre reinforced plies of varying average fibre orientation. The rubber was distributed uniformly throughout the specimens. The main effect of the rubber was to reduce the stiffness of the matrix and hence also the efficiency of the load transfer at the fibre/matrix interface while at the same time improving the fracture toughness and critical strain energy release rate of the matrix. Automated image analysis has been used to characterise the rubber particles' size, shape and distribution, and glass fibres' length and orientation distributions. The fibre/matrix interface has been studied using a novel single fibre fragmentation technique. Iterative computer simulations have been developed to accurately predict the stress-strain response of the various grades. The fracture mechanics properties of this series of materials are highly strain rate sensitive. At low strain rates the addition of glass fibres reduces the toughness of the material because the fibres act as discontinuities within the matrix, aiding initiation and propagation of a crack. At higher strain rates the fibres toughen the material by increasing the energy dissipation associated with fibre pull-out. These effects result in changes in the fracture surface morphology. Fibres pulled-out at low strain rates had clean surfaces. At higher strain rates the surfaces of pulled-out fibres were coated in an adherent sheath of matrix material. These effects are considered to be a consequence of the viscoelastic nature of the matrix. At low strain rates the matrix deforms plastically. At impact speeds the matrix responds in a predomoninantly brittle manner.
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Thiraphattaraphun, Linda. "Structure/property relationships in polypropylene nanocomposites." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/structureproperty-relationships-in-polypropylene-nanocomposites(388eafc0-a98e-4a78-be0d-4d647a122d87).html.

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In this work, structure/property relationships in polypropylene (PP) nanocomposites have been investigated for different nanofillers. Nanofillers of modified clay based on montmorillonite (MMT) and multi-wall carbon nanotubes (MWNTs) have been selected and incorporated to the PP matrix as either single nanofillers or hybrid nanofillers. Melt mixing via a twin screw extruder and further moulding by injection moulding have been used to prepare PP nanocomposites. Moreover, the dilution of MWNT masterbatch has been used to prepare PP/MWNT and PP/clay/MWNT nanocomposites. Three types of the PP nanocomposites have been obtained: PP/clay, PP/MWNT and PP/clay/MWNT nanocomposites. In all three types of the PP nanocomposites, α- and -PP crystals were observed in the wide angle X-ray diffraction (WAXD) patterns. Furthermore, the addition of nanofillers to the PP did not appear to affect the PP orientation. Slight PP orientation in the PP nanocomposites was shown in the two-dimensional X-ray diffraction (2D-XRD) patterns. Mixed clay layers were combined in the PP/clay and PP/clay/MWNT nanocomposites and investigated by WAXD as well as transmission electron microscopy (TEM). In addition, the aggregated and individual MWNTs were present in both the PP/MWNT and PP/clay/MWNT nanocomposites TEM images. A rough fracture surface with cracks was revealed from the scanning electron microscopy (SEM) images of the three types of PP nanocomposites. Polarized optical microscopy (POM) micrographs were taken at different temperatures during cooling in a hot stage and revealed the limitation of PP spherulite growth upon adding the nanofillers to the PP. The incorporation of nanofillers was found not to affect the glass transition temperature (Tg) of PP which investigated by dynamic mechanical analysis (DMA). However, the increase of both the peak melting temperature (Tm) and the peak crystallization temperature (Tc) of PP with adding the nanofillers was shown by differential scanning calorimetry (DSC) thermograms. In addition, the nanofillers also have been shown to act as nucleating agents. The thermal stability of PP in a nitrogen atmosphere was enhanced by the nanofillers when examined by thermogravimatric analysis (TGA). DMA and tensile testing were performed and showed that the nanofillers act as reinforcement for the PP. The distribution, orientation and deformation of MWNTs in the PP/MWNT and PP/clay/MWNT nanocomposites have been followed by Raman spectroscopy. Significant shifts of the Raman G'-band from the MWNTs was obtained during deformation of the MWNT nanocomposites and the hybrid clay/MWNT nanocomposites as the stress transfer from the PP matrix to the MWNTs has occurred. A correlation between calculated modulus from deformation and measured modulus from DMA and tensile testing has been found for PP/MWNT and PP/clay/MWNT nanocomposites. Finally, the PP nanocomposites have been considered for use in packaging applications.
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Wong, Tsun Wah. "A study on mechanical properties of high density polyethylene/polystyrene/SBES [i.e. SEBS] polymer blends." access abstract and table of contents access full-text, 2001. http://libweb.cityu.edu.hk/cgi-bin/ezdb/dissert.pl?msc-ap-b21175202a.pdf.

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Thesis (M.Sc.)--City University of Hong Kong, 2001.
"A dissertation submitted in part-fulfilment of the requirements for the degree of Master of Science of City University of Hong Kong." Title from title screen (viewed on Sept. 4, 2006) Includes bibliographical references.
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Books on the topic "Polypropylene Mechanical properties"

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Paajanen, Mika. The cellular polypropylene electret material: Electromechanical properties. Espoo [Finland]: Technical Research Centre of Finland, 2001.

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Nouri, Mohammad Razavi. Thermal and mechanical properties of polypropylene, metallocene polyethylenes and their blends. Birmingham: University of Birmingham, 2002.

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Park, Byung Dae. Effects of impact modifiers on the mechanical properties of wood-fibre polypropylene composites. Ottawa: National Library of Canada = Bibliothèque nationale du Canada, 1993.

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Currie, Brian. The mechanical properties imparted to a cement matrix by fibrillated and rolled embossed polypropylene meshes. [S.l: The Author], 1987.

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Watson, Colin Lloyd. A study of the fire and mechanical properties of polypropylenes filled with sea water magnesium hydroxyde. Uxbridge: Brunel University, 1987.

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Staff, IntechOpen (Firm), and Fatih Dogan. Polypropylene: Polymerization and Characterization of Mechanical and Thermal Properties. IntechOpen, 2020.

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Wang, Weiyu, and Yiming Zeng, eds. Polypropylene - Polymerization and Characterization of Mechanical and Thermal Properties. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.73995.

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Cook, Mark. The influence of magnesium hydroxide morphology on the mechanical properties of polypropylene. 1996.

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Book chapters on the topic "Polypropylene Mechanical properties"

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Monami, A., B. Langer, J. Sadilek, J. Kučera, and W. Grellmann. "Mechanical and Fracture Mechanical Properties of Polymorphous Polypropylene." In Deformation and Fracture Behaviour of Polymer Materials, 73–81. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-41879-7_5.

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Lednický, F., B. Pukánszky, and J. Kolařík. "Mechanical Properties of Three-Component Polypropylene Composites." In Polymer Composites, edited by Blahoslav Sedlácek, 553–60. Berlin, Boston: De Gruyter, 1986. http://dx.doi.org/10.1515/9783110856934-052.

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Sridhar, Radhika, and Ravi Prasad. "Mechanical and Dynamic Properties of Polypropylene Fiber Reinforced Concrete." In Lecture Notes in Mechanical Engineering, 361–74. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-8767-8_30.

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Sun, Xiaowei, Miao Gao, Honghong Zhou, Jing Lv, and Zhaoyang Ding. "Influence of Fiber on Properties of Graphite Tailings Foam Concrete." In Lecture Notes in Civil Engineering, 508–15. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1260-3_46.

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AbstractThe project used graphite tailings as a filler to prepare graphite tailings foamed concrete. Mainly studied the physical properties, mechanical properties and thermal properties of the foam concrete by graphite tailings, also studied the combination of polypropylene fiber and glass fiber influence of foam concrete compressive strength and cracking strength. The experimental results show that in the case of the same dry density grade, adding 20% graphite tailings can make the foam concrete strength reach its peak. When the water-binder ratio is 0.65 and the self-made chemical foaming agent content is 7%, the optimal total fiber volume blending rate is 0.18%, and the blending ratio of polypropylene fiber and glass fiber is 2:1. The compounding of polypropylene fiber and glass fiber can improve the flexural performance of foam concrete, which is not conducive to the thermal insulation performance of foam concrete, but the test results are still better than industry standards.
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Li, Guiqin, Junjie Li, Jun Wang, Jiemin Feng, Qing Guo, Junlong Zhou, and Peter Mitrouchev. "The Effect of Temperature on Mechanical Properties of Polypropylene." In Lecture Notes in Electrical Engineering, 143–49. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-5768-7_14.

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Mbarek, Souad, Zaineb Baccouch, Didier Perrin, Olivier Eterradossi, Bernard Monasse, Helene Garay, and Jean-Christophe Quantin. "Impact of Injection Parameters on Gloss Properties of Grained Polypropylene Parts." In Lecture Notes in Mechanical Engineering, 725–31. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-27146-6_79.

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Mustafa, Zaleha, Tuan Muhammad Idzzuddin Nawi, Vaseetha Ravichandran, Toibah Abd Rahim, and Thanate Ratanawilai. "Rubberwood-Recycled Polypropylene Composites: Effect of Water Immersion on Tensile Properties." In Lecture Notes in Mechanical Engineering, 167–70. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-3179-6_30.

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Thomason, J. L. "Mechanical and thermal properties of long glass fiber reinforced polypropylene." In Polymer Science and Technology Series, 407–14. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4421-6_57.

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Meena, Amardeep, Navdeep Singh, and S. P. Singh. "Mechanical Properties of Polypropylene Fiber-Reinforced Geopolymer Composites: A Review." In Recent Advancements in Civil Engineering, 261–73. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-4396-5_24.

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Kučera, J., and J. Kolařík. "Mechanical Properties of Polyethylene and Polypropylene Filled with Calcium Carbonate." In Polymer Composites, edited by Blahoslav Sedlácek, 545–52. Berlin, Boston: De Gruyter, 1986. http://dx.doi.org/10.1515/9783110856934-051.

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Conference papers on the topic "Polypropylene Mechanical properties"

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Hsu, P., S. Chen, and I. Tsai. "Mechanical properties of graphene nanosheets/polypropylene composites." In 4TH INTERNATIONAL CONGRESS IN ADVANCES IN APPLIED PHYSICS AND MATERIALS SCIENCE (APMAS 2014). AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4914236.

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Abdallah, Musab, Akeem Gbenga Amuda, Abdulhameed Danjuma Mambo, Abdulganiyu Sanusi, Anthony Muoka, and Abubakar Dayyabu. "Mechanical Properties of Polypropylene Fiber Reinforced Concrete." In 2021 1st International Conference on Multidisciplinary Engineering and Applied Science (ICMEAS). IEEE, 2021. http://dx.doi.org/10.1109/icmeas52683.2021.9692307.

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Mizuta, K., Y. Ichihara, T. Matsuoka, T. Hirayama, and H. Fujita. "Mechanical properties of loosing natural fiber reinforced polypropylene." In HIGH PERFORMANCE STRUCTURES AND MATERIALS 2006. Southampton, UK: WIT Press, 2006. http://dx.doi.org/10.2495/hpsm06020.

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Zhou, Yuanxin, Mohammad Monirul Hasan, and Shaik Jeelani. "Effect of Carbon Nanofiber on Thermal and Tensile Properties of Polypropylene." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-13254.

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In the present study, effect of vapor grown carbon nanofiber on the mechanical and thermal properties of polypropylene was investigated. Firstly, nanofibers were dry-mixed with polypropylene powder and extruded into filaments by using a single screw extruder. Then the tensile tests were performed on the single filament at the strain rate range from 0.02/min to 2/min. Experiments results show that both neat and nano-phased polypropylene were strain rate strengthening material. The tensile modulus and yield strength both increased with increasing strain rate. Experimental results also show that infusing nanofiber into polypropylene can increase tensile modulus and yield strength, but decrease the failure strain. At the same time, thermal properties of neat and nano-phased polypropylene were characterized by TGA. TGA results have showed that the nanophased system is more thermally stable. At last, a nonlinear constitutive equation has been developed to describe strain rate sensitive behavior of neat and nano-phased polypropylene.
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Abdelwahab, Mohamed, Manjusri Misra, and Amar Mohanty. "Effect of maleated polypropylene emulsion on the mechanical and thermal properties of lignin-polypropylene blends." In PROCEEDINGS OF PPS-30: The 30th International Conference of the Polymer Processing Society – Conference Papers. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4918502.

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Sgardelis, Pavlos, and Michele Pozzi. "An FE model of a cellular polypropylene: exploring mechanical properties." In SPIE Microtechnologies, edited by Luis Fonseca, Mika Prunnila, and Erwin Peiner. SPIE, 2017. http://dx.doi.org/10.1117/12.2266265.

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Zheng, Chang Ji, Jia Ming Yang, Hong Zhao, and Qi Chao Chen. "AC performance, physical and mechanical properties of polypropylene/polyolefin elastomers blends." In 2018 12th International Conference on the Properties and Applications of Dielectric Materials (ICPADM). IEEE, 2018. http://dx.doi.org/10.1109/icpadm.2018.8401203.

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Younesi, Mousa, Mohammad Ebrahim Bahrololoom, and Hamidreza Fooladfar. "Influence of Hot Pressing Parameters on Mechanical Properties of PP-HA Bio-Composites." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-13148.

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This paper focuses on the effects of pressure and temperature in hot press molding on the mechanical properties of polypropylene-hydroxyapatite composites with two different types of silanated and unsilanated hydroxyapatite. Density, crystallinity, ultimate tensile strength, Young’s modulus and impact resistance were evaluated for the two types of composites. Increasing pressure caused enhancement of density, crystallinity, MFI, ultimate tensile strength and Young’s modulus. Increases in temperature increased MFI, ultimate tensile strength and Young’s modulus whilst decreased impact resistance of composites. Effects of increasing pressure and temperature on the mechanical properties of polypropylene-silanated hydroxyapatite were less than their effects on the mechanical properties of polypropylene-unsilanated hydroxyapatite. Micrographs showed changes in fracture mode from ductile to brittle with increasing pressure and temperature during hot press molding.
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Mawla, Zara, Wael Slika, Walid Saad, and George Saad. "Mechanical Properties of Recycled Polyethylene / Polypropylene Material with Embedded Pharmaceutical Waste." In The 4th World Congress on New Technologies. Avestia Publishing, 2018. http://dx.doi.org/10.11159/icepr18.157.

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Lian, Zheng, Xinyu Wang, and Thomas Andritsch. "Dielectric and Mechanical Properties Evaluation of Polypropylene Containing Nitride-based Nanoparticles." In 2019 2nd International Conference on Electrical Materials and Power Equipment (ICEMPE). IEEE, 2019. http://dx.doi.org/10.1109/icempe.2019.8727368.

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