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John Christopher Plummer

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Publications associées (97)

Biodegradable Polymer Nanocomposite Scaffolds for Bone Replacement

Dominique Pioletti, Pierre-Etienne Bourban, John Christopher Plummer, Alireza Roshan Ghias, Claire Diane Delabarde

2011

Evaporation kinetics of volatile liquids and release kinetics of water from a smectite clay: Comparison between experiments and finite element calculations

John Christopher Plummer, Pascal Clausen

Numerical calculations of the evaporation kinetics of bulk volatile liquids and of water from smectite clay granules are compared with experimental results. The weight loss of the volatiles is analyzed by thermogravimetry and differential calorimetry. Unde ...

2011

Plasticization of PLA foams for tissue engineering

Pierre-Etienne Bourban, John Christopher Plummer, Matthieu Cuénoud, Krista Susan Lumsden Friedli

2011

Thermal and dynamic mechanical properties of blends of bitumen with metallocene catalyzed polyolefins

John Christopher Plummer, Chiara Spadaro

A high penetration grade bitumen has been blended with up to 50 wt% of two different grades of metallocene catalyzed linear low density polyethylene (m-LLDPE) in order to investigate the potential of these and similar copolymers as a substitute for styrene ...

Springer US2011

Ageing and microdeformation in poly-L-lactide/hydroxyapatite nanocomposites

John Christopher Plummer, Claire Diane Delabarde

2011

Plasticization of PLLA Foams for Tissue Engineering

Pierre-Etienne Bourban, John Christopher Plummer, Matthieu Cuénoud, Krista Susan Lumsden Friedli

2011

Small strain mechanical properties of latex-based acrylic nanocomposite films

John Christopher Plummer, Riccardo Ruggerone

A waterborne latex-based technique has been used to prepare acrylic films with laponite contents up to about 25 vol%. The laponite was attached to the surfaces of the latex particles, giving a cellular arrangement of laponite-rich regions at high laponite ...

2011

Plasticization of poly-L-lactide for tissue engineering

Pierre-Etienne Bourban, John Christopher Plummer, Matthieu Cuénoud

Plasticization of medical grade poly-L-lactide (PLLA) by addition of polyethylene glycol (PEG) with various molar masses has been evaluated as means of producing low stiffness matrices for bioresorbable scaffolds for soft-tissue engineering applications. A ...

Wiley-Blackwell2011

Biodegradable Polymer Nanocomposite Scaffolds for Bone Replacement Paper

Dominique Pioletti, Pierre-Etienne Bourban, John Christopher Plummer, Claire Diane Delabarde

2011

Accelerated ageing and degradation in poly-L-lactide/hydroxyapatite nanocomposites

Pierre-Etienne Bourban, John Christopher Plummer, Claire Diane Delabarde

Dry, compression molded films of medical grade poly-L-lactide (PLLA) showed a marked reduction in tensile strength and strain after accelerated ageing in aqueous NaOH at 50 degrees C. accompanied by mass loss, surface erosion, increased hydrophilicity and, ...

Elsevier2011

Solidification behavior of PLLA/nHA nanocomposites

Pierre-Etienne Bourban, John Christopher Plummer, Claire Diane Delabarde

As part of a broader effort to establish processing-structure-property relationships in PLLA/nHA, which is currently under consideration for bioresorbable scaffolds for bone repair, hot stage optical microscopy and differential scanning calorimetry have be ...

2010

Metallocene Catalyzed Polyolefins For Improving Thermal And Mechanical Properties Of Bitumen Blends

John Christopher Plummer, Chiara Spadaro

Bitumen is a complex viscoelastic material used as a binder in applications ranging from road paving to waterproof membranes for roofing [1]. In such applications, bitumen is often blended with a polymer in order to improve its elasticity. The resulting po ...

2010

Elastomer actuators: systematic improvement in properties by use of composite materials

Yves Leterrier, John Christopher Plummer, Martin Molberg

2010

Influence of Frequency Dependent Dielectric and Mechanical Properties on the Performance for Dielectric Elastomers Actuators

Yves Leterrier, Frank Nüesch, John Christopher Plummer, Martin Molberg

2010

Influence of Frequency Dependent Dielectric and Mechanical Properties on the Performance for Dielectric Elastomer Actuators

Yves Leterrier, Frank Nüesch, John Christopher Plummer, Martin Molberg

2010

Morphology and mechanical properties of isotactic polypropylene glass mat thermoplastic composites modified with organophilic montmorillonite

John Christopher Plummer, Chrystèle Houphouet-Boigny Favre, Sara Dalle Vacche

Satisfactory impregnation of glass fiber mats may be obtained with isotactic polypropylene/montmorillonite (MMT) nanocomposites under conditions comparable with industrial conditions. However, it is demonstrated here that the high melt viscosity of the nan ...

Springer US2010

Metallocene catalyzed polyolefines for improving thermal and mechanical properties of bitumen blends

John Christopher Plummer, Chiara Spadaro

2010

Hybrid Glass Mat-reinforced Polypropylene-Montmorillonite Nanocomposites

John Christopher Plummer, Véronique Michaud, Chrystèle Houphouet-Boigny Favre, Martyn Douglas Wakeman, Sara Dalle Vacche

Polypropylene/montmorillonite (iPP/MMT) has been investigated as an alternative to isotactic polypropylene (iPP) as a matrix for glass mat thermoplastic (GMT) composites. The melt viscosity increased significantly on MMT addition, but iPP/5.9wt% MMT-based ...

2010

Mechanical properties of highly filled latex-based polystyrene/laponite nanocomposites

John Christopher Plummer, Riccardo Ruggerone

Nanocomposite films containing up to 50 wt. % laponite have been prepared from emulsion polymerized polystyrene (PS)/laponite latexes with the laponite attached to the PS particle surfaces. Below Tg, the observed stiffness increases are accounted for by cl ...

Trans Tech Publications Ltd, Laublsrutistr 24, Ch-8717 Stafa-Zurich, Switzerland2009

Structures with adaptive stiffness and damping integrating shear thickening fluids

Pierre-Etienne Bourban, John Christopher Plummer, Véronique Michaud, Christian Fischer, Sébastien Lavanchy, Razvan Cristian Neagu

The invention relates in particular to a method to process composite structures with tailored stiffness and damping performance incorporating a smart material, namely a shear thickening fluid (STF), preferably at the interface between two elements belongin ...

2009

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