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Dissertations / Theses on the topic 'Polypropylene Composites'

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Published: 4 June 2021

Last updated: 6 September 2023

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1

Tang, Eunice Wai Chong. "Preparation and characterization of polypropylene-polypropylene (PP-PP) composites /." View Abstract or Full-Text, 2003. http://library.ust.hk/cgi/db/thesis.pl?MECH%202003%20TANG.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2003.<br>Includes bibliographical references (leaves 91-95). Also available in electronic version. Access restricted to campus users.

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2

Metin, Dildare Tıhmınlıoğlu Funda. "Interfacial enhancement of polypropylene-zeolite composites/." [s.l.]: [s.n.], 2002. http://library.iyte.edu.tr/tezler/master/kimyamuh/T000132.pdf.

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3

Işık, Kıvanç Tanoğlu Metin. "Layered silicate/polypropylene nanocomposites/." [s.l.]: [s.n.], 2006. http://library.iyte.edu.tr/tezler/master/makinamuh/T000532.pdf.

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4

Wilks, C. E. "Processing techologies for woven glass/polypropylene composites." Thesis, University of Nottingham, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.520625.

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5

Sjögren, Anders. "Failure behaviour of polypropylene/glass bead composites." Licentiate thesis, Luleå tekniska universitet, 1995. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-18681.

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6

Premphet, Kalyanee. "Structure-property characterisation of ternary phase polypropylene composites." Thesis, Brunel University, 1995. http://bura.brunel.ac.uk/handle/2438/7276.

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An investigation to study factors controlling the structure and properties of binary- and ternary-phase polypropylene (PP) composites containing ethylene-propylene rubber (EPR) and glass beads has been carried out. The composite structure was evaluated using various techniques including SEM, DSC, XRD and DMA. While the mechanical tests included tensile and impact measurements at ambient temperature, and a fracture toughness test based on the J-integral method carried out at -20 oC. EPR and glass beads were found to influence the structure and properties of polypropylene in different ways. Inco

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7

Toke, Jeff M. "Investigating interfacial phenomena in polypropylene/glass fiber composites." Diss., Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/10023.

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8

Deng, Hua. "Multi-wall Carbon Nanotube/Polypropylene composites and tapes." Thesis, Queen Mary, University of London, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.509658.

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9

Wang, Kui. "Characterization and modeling of the thermomechanical behavior of polypropylene-based composites : effect of recycling and filler content." Phd thesis, Université de Strasbourg, 2013. http://tel.archives-ouvertes.fr/tel-00962217.

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The use of thermoplastic olefins like polypropylene is currently growing in the automotive industry. However, the increase of wastes from end of life vehicles represents a threat to our environment. Mechanical recycling is the most acceptable and ecological method. The purpose of this thesis is to identify the thermomechanical degradation mechanisms of PP-based composites, as a function of fillers content. Recycling was simulated by multiple extrusions. The considered fillers consist of ethylene octene copolymer and talc. The different properties of recycled PP-based composites were studied by

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10

Espert, Ana. "Natural fibres/polypropylene composites from residual and recycled materials." Licentiate thesis, KTH, Fibre and Polymer Technology, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1667.

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<p>Natural fibres fulfil all the requirements in order toreplace inorganic fillers in thermoplastic composites. Naturalfibres are inexpensive, renewable, biodegradable, present lowerdensity and their mechanical properties can be compared tothose of inorganic fillers. However, several disadvantagesappear when natural fibres are used for composites. First ofall, the poor compatibility between the hydrophilic fibres withthe hydrophobic thermoplastic matrix leads to a weak interface,which results in poor mechanical properties. On the other hand,the hydrophilic nature of the fibres makes them very

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11

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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<p>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 hydr

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12

Biyana, Nobuhle Yvonne. "Studies on flax/polypropylene-reinforced composites for automotive applications." Thesis, Nelson Mandela Metropolitan University, 2015. http://hdl.handle.net/10948/d1021150.

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The use of natural fibers as reinforcement in thermoplastics presents an interesting alternative for the production of low cost and ecologically friendly composites. One of the advantages of using natural fibres is their low specific weight, resulting in higher specific strength and stiffness when compared to glass reinforced composites. Natural fibres also present safer handling and working conditions. They are non-abrasive to mixing and can contribute to significant cost reduction. This work is divided into two phases: Phase 1 deals with developing nonwoven mats composites from flax/polyprop

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13

Huang, Huan Yao, and barbar0324@gmail com. "The preparation and characterization of polypropylene-compatibilizer-filler composites." RMIT University. Applied Sciences, 2010. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20100218.101808.

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Polypropylene (PP) composites includ a mineral filler, though they can be enhanced by blending with an elastomer. Blending rigid fillers with PP increased strength while decreasing toughness. Blending soft elastomers with PP decreased strength while increasing toughness. PP-elastomer-filler ternary composites offer synergism because the increase of strength due to filler may compensate the loss of strength due to the elastomer. Two morphologies were identified, separated elastomer and filler particles in PP, and filler particles encapsulated by elastomer in PP. Interaction between filler and P

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14

Lee, Peter. "Blow molding behaviour of wood fibre-reinforced polypropylene composites." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0003/MQ45434.pdf.

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15

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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16

Okada, Yoshio 1928. "The thermal expansion coefficient of polypropylene and related composites /." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=56778.

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The variability of thermal expansion coefficients during the molding of plastics causes the development of frozen thermal stresses in the molded parts. Also, the distribution of thermal expansion coefficients of the material in the molded part plays an important role in controlling shrinkage and warpage. In turn, the distribution of linear thermal expansion coefficients (LTECs) depends on the distributions of crystallinity and orientation in the part. In the case of fibre reinforced polymers, the distributions of fibre concentration and orientation are also important.<br>In this project, a mod

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17

Polec, Inga. "The processing and properties of oriented wood polypropylene composites." Thesis, University of Leeds, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.511174.

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18

Alcock, Benjamin. "Single polymer composites based on polypropylene : processing and properties." Thesis, Queen Mary, University of London, 2004. http://qmro.qmul.ac.uk/xmlui/handle/123456789/1798.

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Isotropic polymers lack sufficient strength and stiffness for many engineering applications. In order to improve these properties polymers can be filled with structural reinforcements such as glass or natural fibres. However, current major trends focus on simple monocomponent systems in an effort to reduce costs and increase recyclability. Composite systems, by definition, must employ at least two phases with different material properties. With the introduction of careful processing routes, it has been proven possible to create a fibrous, two phase composite, in which both are polypropylene. P

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19

Venables, Richard Anthony. "Structure and properties of alkyltrimethoxysilane modified talc/polypropylene composites." Thesis, Loughborough University, 1995. https://dspace.lboro.ac.uk/2134/10557.

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20

Kakemi, Manabu. "Hybrid continuous fibre cement composites." Thesis, University of Surrey, 1997. http://epubs.surrey.ac.uk/606/.

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21

Tam, Mei San. "Study of sisal fiber-reinforced polypropylene, polyethylene and polypropylene/polyethylene blend composites prepared by compression molding." access abstract and table of contents access full-text, 2005. http://libweb.cityu.edu.hk/cgi-bin/ezdb/dissert.pl?msc-ap-b21175123a.pdf.

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Thesis (M.Sc.)--City University of Hong Kong, 2005.<br>At head of title: City University of Hong Kong, Department of Physics and Materials Science, Master of Science in materials engineering & nanotechnology dissertation. Title from title screen (viewed on Sept. 4, 2006) Includes bibliographical references.

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22

Pedrazzoli, Diego. "Understanding the effect of nanofillers on the properties of polypropylene and glass fiber/polypropylene multiscale composites." Doctoral thesis, Università degli studi di Trento, 2014. https://hdl.handle.net/11572/368547.

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In this study, polypropylene (PP) based nanocomposites were prepared by incorporating different kinds and amounts of silica nanoparticles and graphite nanoplatelets (GNP). The role of various percentages of compatibilizer polypropylene grafted with maleic anhydride (PPgMA) into PP nanocomposites was also investigated. In order to analyze the effect of the manufacturing process on the materialâ€™s properties, the samples were produced by (i) melt compounding and compression molding and (ii) extrusion and injection molding. It was found that injection molding provides significantly greater stiff

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23

Pedrazzoli, Diego. "Understanding the effect of nanofillers on the properties of polypropylene and glass fiber/polypropylene multiscale composites." Doctoral thesis, University of Trento, 2014. http://eprints-phd.biblio.unitn.it/1322/1/Thesis_PhD_Pedrazzoli_2014.pdf.

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In this study, polypropylene (PP) based nanocomposites were prepared by incorporating different kinds and amounts of silica nanoparticles and graphite nanoplatelets (GNP). The role of various percentages of compatibilizer polypropylene grafted with maleic anhydride (PPgMA) into PP nanocomposites was also investigated. In order to analyze the effect of the manufacturing process on the material’s properties, the samples were produced by (i) melt compounding and compression molding and (ii) extrusion and injection molding. It was found that injection molding provides significantly greater stiffne

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24

Dulgerbaki, Cigdem. "Synthesis And Characterization Of Polythiophene/montmorillonite And Polythiophene/polypropylene Composites." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/2/12607762/index.pdf.

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In this study, polythiophene(PTP)/montmorillonite(MMT) nanocomposites were synthesized by in situ intercalative polymerization and chemical oxidative polymerization. In in situ intercalative polymerization method, composites containing 90 and 95% MMT were prepared. In chemical oxidative polymerization method, a series of composites ranging from 1 to 15% by weight MMT were synthesized. Thermal and morphological properties of samples were investigated by Differential Scanning Calorimeter (DSC), Thermal Gravimetric Analysis (TGA), X-ray Diffraction (XRD) and Scanning Electron Microscope (SEM)<br>

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25

Boruban, Cetin. "Synthesis And Characterization Of Polypyrrole/montmorillonite And Polypyrrole/polypropylene Composites." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/2/12608574/index.pdf.

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In this study, organo-montmorillonite (OMMT) nanocomposites containing 1%, 5%, 10% and 15% OMMT were prepared by in situ intercalative oxidative polymerization of pyrrole in the presence of OMMT. Thermal and morphological properties of the Polypyrrole(PPy)/OMMT nanocomposites were investigated by Thermal Gravimetric Analysis (TGA), X-ray Diffraction Analysis (XRD) and Scanning Electron Microscope (SEM). Electrical conductivities of composites were measured by four probe technique. Formation of PPy and its incorporation in PPy/OMMT composites were confirmed by FTIR analysis. TGA results showe

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26

Spear, Morwenna Jane. "Compatibilisation of natural fibres for use in polypropylene matrix composites." Thesis, Bangor University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.393546.

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27

Kim, Soeyeh. "Investigation of the characteristics of kenaf fibre reinforced polypropylene composites." Master's thesis, University of Cape Town, 2008. http://hdl.handle.net/11427/11579.

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Includes abstract.<br>Includes bibliographical references (leaves 135-140).<br>This research work focus on the characterisation of the mechanical and thermal properties of kenaf fibre reinforced polypropylene composites. The composites were fabricated by extrusion followed by injection and compression moulding. The effects of fibre content, coupling agent content (MAPP), different types of moulding processes and addition of filler materials (kenaf core) were observed through mechanical, thermal and microscopic testing.

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28

O'Donnell, Hugh J. "In situ composites of compatibilized polypropylene/liquid crystalline polymer blends." Diss., This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-02052007-081243/.

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29

Chan, Hong Yu. "Crystallization of polypropylene/vermiculite and polyethylene/vermiculite nanocomposites." access abstract and table of contents access full-text, 2004. http://libweb.cityu.edu.hk/cgi-bin/ezdb/dissert.pl?msc-ap-b21173990a.pdf.

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Thesis (M.Sc.)--City University of Hong Kong, 2004.<br>At head of title: City University of Hong Kong, Department of Physics and Materials Science, Master of Science in materials engineering & nanotechnology dissertation. Title from title screen (viewed on Aug. 31, 2006) Includes bibliographical references.

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30

Wong, Shing-Chung (Josh). "Structure-property relationship of some novel multi-component polymeric materials." Thesis, The University of Sydney, 1999. https://hdl.handle.net/2123/27655.

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This thesis is concerned with the study of microstructure—property relationship in selected multi—component polymeric materials using a variety of microscopic and fracture characterization techniques. An approach based on concepts and principles was adopted throughout its presentation. A major objective in this thesis was to understand the effect of reactive functionality on microstructures, fracture toughness and toughening mechanisms in nylon 6,6/polypropylene (PP) blends, which were compatibilized by styrene-ethylene/butylene-styrene block copolymers (SEBS). It was emphasized that mo

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31

Can, Semra. "Characterization Of Serpentine Filled Polypropylene." Phd thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/3/12609434/index.pdf.

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ABSTRACT CHARACTERIZATION OF SERPENTINE FILLED POLYPROPYLENE Can, Semra Ph.D., Department of Polymer Science and Technology Supervisor: Prof. Dr. Teoman Tin&ccedil<br>er March 2008, 158 pages In this study, the aim is to prepare polypropylene (PP)/serpentine composites and study their mechanical, thermal and morphological properties. Another objective is to explore whether it is possible to have PP/serpentine nanocomposites with melt intercalation method by using the advantage of the layer silicate structure of serpentine. The most widely used fillers in PP are talc and mica which belong to th

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32

Wong, Kwok Wai. "Preparation and crystallization characterization of polypropylene-layered silicate clay nanocomposites." access abstract and table of contents access full-text, 2005. http://libweb.cityu.edu.hk/cgi-bin/ezdb/dissert.pl?msc-ap-b21175184a.pdf.

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Thesis (M.Sc.)--City University of Hong Kong, 2005.<br>At head of title: City University of Hong Kong, Department of Physics and Materials Science, Master of Science in materials engineering & nanotechnology dissertation. Title from title screen (viewed on Sept. 4, 2006) Includes bibliographical references.

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33

Woods, Courtney G. "Role of nano-particles on crystalline orientation in polypropylene/clay nanocomposite films." Thesis, Available online, Georgia Institute of Technology, 2004:, 2003. http://etd.gatech.edu/theses/available/etd-04072004-180242/unrestricted/woods%5Fcourtney%5Fg%5F200312%5Fms.pdf.

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34

Burn, David T. "Long discontinuous carbon fibre/polypropylene composites for high volume automotive applications." Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/33665/.

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The volume of fibre reinforced composites is increasing within the automotive industry, as stringent emissions legislation and consumer demands for improved fuel economy are encouraging manufacturers to reduce vehicular mass. Moreover, the falling cost of carbon fibre has meant that these composites are now being considered for semi-structural and structural components for medium-volume (+50,000ppa) applications in Euro Market Segments E and F (Jaguar XF, BMW 7 Series, Mercedes S-Class). The use of thermoplastic matrices with carbon fibre enables cycle times of less than one minute, creating o

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35

Ismail, Yob Saed Bin. "Structure/property relationships associated with woven glass fibres reinforced polypropylene composites." Thesis, Loughborough University, 1999. https://dspace.lboro.ac.uk/2134/11902.

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The objective of this work was to examine the effect of thermal history during cooling from the melt on the degree of crystallinity, morphology and as well as the relationship between morphology/thermal history and mechanical properties of a 60:40 weight % mixture of woven glass fibres/PP composites. Mechanical properties studied include low velocity falling weight impact strength, flexural properties (modulus and strength) and interlaminar shear strength (ILSS). However the main focus was low velocity impact strength. The composite laminates were manufactured within a flat mould using a compr

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36

Kalaitzidou, Kyriaki. "Exfoliated graphite nanoplatelets as reinforcement for multifunctional polypropylene nanocomposites." Diss., Connect to online resource - MSU authorized users, 2006.

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Thesis (Ph. D.)--Michigan State University. Dept. of Chemical Engineering and Materials Science, 2006.<br>Title from PDF t.p. (viewed on June 19, 2009) Includes bibliographical references. Also issued in print.

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37

Doan, Thi Thu Loan. "Investigation on jute fibres and their composites based on polypropylene and epoxy matrices." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2006. http://nbn-resolving.de/urn:nbn:de:swb:14-1149143661135-69962.

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- Matrix modification of jute/polypropylene composites with MAHgPP - Fibre surface modification for epoxy/jute composites, including: NaOH treatment, silane coupling agents, epoxy dispersion and their combinations - Investigation the influence of modification on the performance of jute fibre and jute compostites<br>Untersuchungen zum mechanischen und thermischen Verhalten sowie zur Benetzung von Jutefasern im Ausgangszustand, nach Entwachsen und nach Oberflächenmodifikation, mit dem Ziel einer Verwendung als Verstärkungsfasern in Verbundwerkstoffen. Untersuchungen zum mechanischen und thermis

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38

Do, Thi Vi Vi. "Matériaux composites à fibres naturelles / polymère biodégradables ou non." Thesis, Grenoble, 2011. http://www.theses.fr/2011GRENA012/document.

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Les fibres naturelles ont récemment attiré l'attention des scientifiques en raison de leurs propriétés : faible coût, faible densité, renouvelables, biodégradables et non abrasives. Dans cette étude, trois types de fibres de bambou sont étudiées. La modification chimique des fibres par la soude est utilisée pour enlever l'hémicellulose et la lignine. Puis, la surface de la fibre est modifiée par acétylation ou silane avant élaboration de composites PP. Les propriétés mécaniques des composites augmentent avec le diamètre des fibres et avec l'utilisation d'un agent d'ensimage. Des mélanges amido

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39

Badji, Célia. "Vieillissement de matériaux composites renforcés de fibres naturelles : étude de l’impact sur les propriétés d’aspect et sur les émissions dans l’air intérieur." Thesis, Pau, 2017. http://www.theses.fr/2017PAUU3022/document.

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Les biocomposites sont des matériaux renforcés de fibres issues de ressources renouvelables. Ces matériaux sont une solution alternative aux composites renforcés de fibres de verre ou de carbone. En effet, leur légèreté et leurs propriétés mécaniques intéressantes leur confèrent un intérêt grandissant dans les secteurs tels que la construction (terrasse, meubles de jardin) ou l’automobile (panneaux de porte, tableaux de bord). Toutefois, les milieux humides, la température et le rayonnement UV sont des paramètres pouvant compromettre la stabilité physico-chimique des biocomposites. L’objectif

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40

Doan, Thi Thu Loan. "Investigation on jute fibres and their composites based on polypropylene and epoxy matrices." Doctoral thesis, Technische Universität Dresden, 2005. https://tud.qucosa.de/id/qucosa%3A24708.

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- Matrix modification of jute/polypropylene composites with MAHgPP - Fibre surface modification for epoxy/jute composites, including: NaOH treatment, silane coupling agents, epoxy dispersion and their combinations - Investigation the influence of modification on the performance of jute fibre and jute compostites.<br>Untersuchungen zum mechanischen und thermischen Verhalten sowie zur Benetzung von Jutefasern im Ausgangszustand, nach Entwachsen und nach Oberflächenmodifikation, mit dem Ziel einer Verwendung als Verstärkungsfasern in Verbundwerkstoffen. Untersuchungen zum mechanischen und thermi

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41

Kamble, Vishal D. "Optimization of thermoplastic pultrusion process using commingled fibers." Birmingham, Ala. : University of Alabama at Birmingham, 2008. https://www.mhsl.uab.edu/dt/2008m/kamble.pdf.

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Thesis (M.S.)--University of Alabama at Birmingham, 2008.<br>Additional advisors: Burton Patterson, Derrick Dean, Selvum (Brian) Pillay. Description based on contents viewed Feb. 10, 2009; title from PDF t.p. Includes bibliographical references (p. 80-83).

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42

Chang, Wei-Ping. "Ultrasound-assisted surface-modification of wood particulates for improved wood/plastic composites." Morgantown, W. Va. : [West Virginia University Libraries], 2008. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=5824.

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Thesis (M.S.)--West Virginia University, 2008.<br>Title from document title page. Document formatted into pages; contains iv, 87 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 83-86).

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43

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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44

Al-Shehri, Abdulhadi S. "Tensile and fracture behaviour of isotropic and die-drawn polypropylene-clay nanocomposites : compounding, processing, characterization and mechanical properties of isotropic and die-drawn polypropylene/clay/polypropylene maleic anhydride composites." Thesis, University of Bradford, 2010. http://hdl.handle.net/10454/5223.

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As a preliminary starting point for the present study, physical and mechanical properties of polypropylene nanocomposites (PPNCs) for samples received from Queen's University Belfast have been evaluated. Subsequently, polymer/clay nanocomposite material has been produced at Bradford. Mixing and processing routes have been explored, and mechanical properties for the different compounded samples have been studied. Clay intercalation structure has received particular attention to support the ultimate objective of optimising tensile and fracture behaviour of isotropic and die-drawn PPNCs. Solid-st

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45

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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46

Singh, Peter. "Molding behaviour and microstructure of injection molded short glass fiber reinforced polypropylene composites." Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=74240.

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Injection molded Short Glass Fiber Reinforced Thermoplastics (SFRTP) are widely used in industry because of advantages in material properties, availability, economics and ease of processing. The thermo-mechanical history experienced by the material during processing produces significantly anisotropic microstructural and consequently mechanical properties, varying not only spatially, but directionally.<br>This work attempts to examine quantitatively various aspects of microstructure and the effect of processing conditions in SFRTP. The matrix phase properties, such as crystallinity, morphology

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47

Amna, Ramzy Verfasser], and Gerhard [Akademischer Betreuer] [Ziegmann. "Recycling aspects of natural fiber reinforced polypropylene composites / Ramzy Amna ; Betreuer: Gerhard Ziegmann." Clausthal-Zellerfeld : Technische Universität Clausthal, 2018. http://d-nb.info/1231364289/34.

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48

Wang, Shi-Wei. "Controlling the structure and properties of toughened and reinforced isotactic polypropylene." Thesis, Université de Lorraine, 2012. http://www.theses.fr/2012LORR0231/document.

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En tant que polymère de grande diffusion, les applications du polypropylène isotactique (PP) sont limitées par sa faible resistance au choc. D'après la relation structure - propriétés, sa résistance au choc peut être améliorée en contrôlant sa structure. Dans ces travaux, différents types d'agents nucléants ont été utilsés pour promouvoir la formation des cristaux de type bêta et de mélanges de deux PP de masses molaires différentes. Les propriétés mécaniques, le comportement à la rupture, et la morphologie cristalline ont été étudiés. Les influences du type et de la teneur en peroxyde et agen

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49

Crate, Jon M. "Development of a test system to assess the effectiveness of adhesion promoters in glass and thermoplastic composites." Thesis, Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/20012.

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50

Khoathane, MC, OC Vorster, and ER Sadiku. "Hemp Fiber-Reinforced 1-Pentene/Polypropylene Copolymer: The Effect of Fiber Loading on the Mechanical and Thermal Characteristics of the Composites." SAGE, 2008. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1000586.

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Abstract:

One of the recent developments in composite technology in South Africa is the increasing use of natural fiber materials in the manufacture of plastic products. Most of the previous work on natural fiber-reinforced composites has focused on sisal fiber as it was commercially available. In this study, the mechanical and thermal properties of composites made with locally produced hemp fibers, were compared with composites made with hemp fibers produced in France. New commercial polypropylene random copolymer was used as matrix because it can be processed at lower temperatures when compared with o

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