Search Results - "Liggat, John J"

Photo‐oxidation of poly(diethylene glycol terephthalate) by Horne, Fiona J., Liggat, John J.

“…The photo‐oxidation of poly(diethylene glycol terephthalate) (PDEGT) under accelerated aging conditions has been investigated. A weatherometer was used to…”
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Towards a Consensus Method for the Isolation of Microplastics from Freshwater Sediments by Daniel E. Enenche, Christine M. Davidson, John J. Liggat

“…Environmental pollution caused by plastic waste is of global concern. There is growing interest in the study of microplastics in freshwater systems. However,…”
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Physical properties of poly(ether ether ketone) exposed to simulated severe oilfield service conditions by Mohammed, Musarrat H., Banks, William M., Hayward, David, Liggat, John J., Pethrick, Richard A., Thomson, Barry

“…The property changes occurring when poly(ether ether ketone) (PEEK) is subject to methane and carbon dioxide at high pressures (108 Pa) and high temperatures…”
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Submission to Journal of Polymers and the Environment Evaluation of Thermal Properties and Crystallinity in PHB-Based Systems – A DoE Approach by Majerczak, Katarzyna, Liggat, John J.

“…Complex formulations based on poly(hydroxybutyrate) (PHB) and poly(hydroxybutyrate- co -valerate) (PHBV) were studied to statistically assess the effect of…”
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Dehydromethylation of alkali metal salts of the utility amide 2,2,6,6-tetramethylpiperidide (TMP) by Kennedy, Alan R, Leenhouts, Sarah M, Liggat, John J, Martínez-Martínez, Antonio J, Miller, Kimberley, Mulvey, Robert E, O'Hara, Charles T, O'Keefe, Philip, Steven, Alan

“…A general thermolysis reaction for the transformation of Group 1 TMP compounds (LiTMP, NaTMP, KTMP) to 1-aza-allylic TTHP derivatives is reported. TMEDA…”
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Thermal volatilisation analysis of graphite intercalation compound fire retardants by Muir, Kellie, Liggat, John J., O’Keeffe, Luke

“…Thermally expandable graphites are becoming increasingly popular as intumescent fire retardants for polymeric systems due to their excellent thermal and…”
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The influence of diol chain extender on morphology and properties of thermally-triggered UV-stable self-healing polyurethane coatings by Grzelak, Adam W., Boinard, Pascal, Liggat, John J.

“…•Synthesis of optically clear (haze < 2%) self-healing coatings.•Optimally designed coatings obtained up to 100% recovery within 10 min at 60 °C•Coatings are…”
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Photo‐oxidation of poly(ethylene terephthalate) films intended for photovoltaic backsheet by Horne, Fiona J., Liggat, John J., MacDonald, William A., Sankey, Stephen W.

“…ABSTRACT The photodegradation of 36 μm thick poly(ethylene terephthalate) film under artificial weathering conditions has been investigated. A weatherometer…”
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Filler and additive effects on partial discharge degradation of PET films used in PV devices by Tang, Rong, Liggat, John J., Siew, Wah H.

“…A series of poly(ethylene terephthalate) (PET) films with different additives were subjected to identical electrical stresses to investigate their partial…”
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Partial discharge behaviour of biaxially orientated PET films: The effect of crystalline morphology by Tang, Rong, Liggat, John J., Siew, Wah H.

“…The relationship between partial discharge (PD) induced breakdown behaviour and the crystallinemorphology of PET films used in photovoltaic devices has been…”
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The thermal degradation behaviour of polydimethylsiloxane/montmorillonite nanocomposites by Lewicki, James P., Liggat, John J., Patel, Mogon

“…A series of novel polydimethylsiloxane/montmorillonite (PDMS/MMT) nanocomposites was prepared. The thermal degradation behaviour of these nanocomposites was…”
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A Study of the Ceramicisation of Allylhydridopolycarbosilane by Thermal Volatilisation Analysis and Solid-State Nuclear Magnetic Resonance by Print, Lewis J., Liggat, John J., Moug, Stan, Seaton, Helen, Apperley, David C.

“…AHPCS is a pre-ceramic polymer utilised as a precursor to SiC. An initial polymerisation to a cross-linked network is followed by a complex sequence of…”
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Developing Lithium Chemistry of 1,2-Dihydropyridines: From Kinetic Intermediates to Isolable Characterized Compounds by Armstrong, David R., Harris, Catriona M. M., Kennedy, Alan R., Liggat, John J., McLellan, Ross, Mulvey, Robert E., Urquhart, Matthew D. T., Robertson, Stuart D.

“…Generally considered kinetic intermediates in addition reactions of alkyllithiums to pyridine, 1‐lithio‐2‐alkyl‐1,2‐dihydropyridines have been rarely isolated…”
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Thermal degradation studies of polyurethane/POSS nanohybrid elastomers by Lewicki, James P., Pielichowski, Krzysztof, De La Croix, Pauline Tremblot, Janowski, Bartlomiej, Todd, Deborah, Liggat, John J.

“…Reported here is the synthesis of a series of polyurethane/POSS nanohybrid elastomers, the characterisation of their thermal stability and degradation…”
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Investigating the ageing behavior of polysiloxane nanocomposites by degradative thermal analysis by Lewicki, James P., Liggat, John J., Pethrick, Richard A., Patel, Mogon, Rhoney, Ian

“…The ageing behavior of novel polysiloxane nanocomposite elastomers is reported. A series of model polysiloxane nanocomposites has been prepared incorporating…”
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Commercial fire-retarded PET formulations – Relationship between thermal degradation behaviour and fire-retardant action by Lecomte, Hélène A., Liggat, John J.

“…Many types of fire retardants are used in poly(ethylene terephthalate), PET, formulations, and two commercial fire retardants, Ukanol ® and Phosgard ®, have…”
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Degradation mechanism of diethylene glycol units in a terephthalate polymer by Lecomte, Hélène A., Liggat, John J.

“…Diethylene glycol (DEG) is incorporated into poly(ethylene terephthalate) (PET) during industrial synthesis in order to control crystallisation kinetics. DEG…”
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Thermal degradation of cross-linked polyisoprene and polychloroprene by Jiang, David D, Levchik, Galina F, Levchik, Sergei V, Dick, Caroline, Liggat, John J, Snape, C.E, Wilkie, Charles A

“…Polyisoprene and polychloroprene have been cross-linked either in solution or in solid state using free radical initiators. In the comparable experimental…”
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Influence of clay type on exfoliation, cure and physical properties of in situ polymerised poly(methyl methacrylate) nanocomposites by Ingram, Sharon, Dennis, Hugh, Hunter, Ian, Liggat, John J, McAdam, Craig, Pethrick, Richard A, Schaschke, Carl, Thomson, David

“…BACKGROUND: The nature of the dispersion of clay platelets in a resin composite will play an important role in the process of enhancement of the physical…”
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Effect of meta-Carborane on Segmental Dynamics in a Bimodal Poly(dimethylsiloxane) Network by Lewicki, James P, Maxwell, Robert S, Patel, Mogon, Herberg, Julie L, Swain, Anthony C, Liggat, John J, Pethrick, Richard A

“…Bimodal networks of polydimethylsiloxane (PDMS) filled with varying amounts of icosahedral meta-carborane (m-CB) have been developed and characterized by…”
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