Search Results - "Wiggins, Jeffrey S"

Universal power law behavior of the AC conductivity versus frequency of agglomerate morphologies in conductive carbon nanotube-reinforced epoxy networks by Greenhoe, Brian M., Hassan, Mohammad K., Wiggins, Jeffrey S., Mauritz, Kenneth A.

“…ABSTRACT The Jonscher universal power law for ac conductivity versus frequency (f = ω/2π) in the dispersion region was tested for a multiwall carbon…”
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Semibatch RAFT copolymerization of acrylonitrile and N-isopropylacrylamide: Effect of comonomer distribution on cyclization and thermal stability by Moskowitz, Jeremy D., Wiggins, Jeffrey S.

“…Utilizing reversible addition-fragmentation chain transfer (RAFT) polymerization, the composition profile of PAN-based copolymers becomes a tunable parameter…”
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Morphologies and mechanical properties of polyethersulfone modified epoxy blends through multifunctional epoxy composition by Cheng, Xiaole, Wu, Qi, Morgan, Sarah E., Wiggins, Jeffrey S.

“…ABSTRACT Thermoplastic polyethersulfone (PES) modified multifunctional tetraglycidyl‐4,4′‐diaminodiphenylmethane (TGDDM) and triglycidyl para‐aminophenol…”
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Structure-property relationships in epoxy hybrid networks based on high mass fraction pendant POSS incorporated at molecular level by Sharma, Amit K., Sloan, Reese, Ramakrishnan, Ramesh, Nazarenko, Sergei I., Wiggins, Jeffrey S.

“…Epoxy hybrid networks containing up to 50 wt.% pendant polyhedral oligomeric silsesquioxane (POSS) dispersed at molecular level are prepared by polymerizing…”
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PEG Containing Thiol–Ene Network Membranes for CO2 Separation: Effect of Cross-Linking on Thermal, Mechanical, and Gas Transport Properties by Kwisnek, Luke, Goetz, James, Meyers, Kevin P, Heinz, Stephen R, Wiggins, Jeffrey S, Nazarenko, Sergei

“…A new family of poly(ethylene glycol) (PEG) based membranes for CO2 separation was developed using thiol–ene photopolymerization. Compared to photopolymerized…”
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Multifunctional thiols as additives in UV-cured PEG-diacrylate membranes for CO₂ separation by Kwisnek, Luke, Heinz, Stephen, Wiggins, Jeffrey S, Nazarenko, Sergei

“…The utility of incorporating only 20mol% of multifunctional thiols into UV-cured poly(ethyleneglycol)diacrylate (PEGDA) membranes for CO₂ separation is…”
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Gold-Catalyzed Post-Polymerization Modification of Commodity Aromatic Polymers by King, Eric R, Hunt, Samuel B, Hamernik, Levi J, Gonce, Lauren E, Wiggins, Jeffrey S, Azoulay, Jason D

“…Synthetic aromatic polymers are ubiquitous and indispensable to modern life, industry, and the global economy. The direct functionalization of these materials…”
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Real-time quantification of network growth of epoxy/diamine thermosets as a function of cure protocol by Janisse, Andrew P., Wiggins, Jeffrey S.

“…Traditionally, understanding of thermoset cure has been limited to the analysis of a single degree of cure value obtained via techniques such as dynamic…”
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Hybrid POSS-Hyperbranched polymer additives for simultaneous reinforcement and toughness improvements in epoxy networks by Misasi, John M., Jin, Qifeng, Knauer, Katrina M., Morgan, Sarah E., Wiggins, Jeffrey S.

“…Tremendous effort is focused on improving epoxy toughness, but common approaches diminish processability and mechanical properties. This work presents hybrid…”
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Synthesis and characterization of novel polyurethanes, polypyridazine, and polyamide based on s‐1,2,4,5‐tetrazine by Sayed, Abdelwahed R., Wiggins, Jeffrey S.

“…The synthesis and analysis of new polymeric materials based on 1,2,4,5‐tetrazine are discussed in this study. Tetrazine was mixed with thermoplastic…”
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Simultaneous reinforcement and toughness improvement in an aromatic epoxy network with an aliphatic hyperbranched epoxy modifier by Jin, Qifeng, Misasi, John M., Wiggins, Jeffrey S., Morgan, Sarah E.

“…Hyperbranched polymers have been shown to improve epoxy fracture toughness at the cost of other mechanical properties. In this study an aliphatic,…”
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Thermo-oxidative stabilization of polyacrylonitrile and its copolymers: Effect of molecular weight, dispersity, and polymerization pathway by Moskowitz, Jeremy D., Wiggins, Jeffrey S.

“…Careful control of polyacrylonitrile (PAN) precursor properties and, in particular, the polymerization method and ensuing molecular weight and molecular weight…”
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Seawater degradable thermoplastic polyurethanes by Moravek, Scott J, Hassan, Mohammad K, Drake, David J, Cooper, Tim R, Wiggins, Jeffrey S, Mauritz, Kenneth A, Storey, Robson F

“…Degradable thermoplastic polyurethane (TPU) elastomers incorporating poly(D,L-lactide-co-glycolide) (PLGA) were synthesized and characterized. The soft…”
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Epoxy hybrid networks with high mass fraction molecular-level dispersion of pendant polyhedral oligomeric silsesquioxane (POSS) by Sharma, Amit K., Sloan, Reese, Wiggins, Jeffrey S.

“…A novel high shear continuous reactor method was developed to obtain molecular level incorporation of polyhedral oligomeric silsesquioxane (POSS) containing…”
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3D printing of dual-cure benzoxazine networks by Weigand, Jeremy J., Miller, Christopher I., Janisse, Andrew P., McNair, Olivia D., Kim, Kyoungtae, Wiggins, Jeffrey S.

“…A novel 3D printing formulation based on a multifunctional benzoxazine (BOX) monomer possessing both photo and thermally polymerizable functional groups is…”
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High molecular weight and low dispersity polyacrylonitrile by low temperature RAFT polymerization by Moskowitz, Jeremy D, Abel, Brooks A, McCormick, Charles L, Wiggins, Jeffrey S

“…High molecular weight polyacrylonitrile (PAN) with low dispersity has been successfully synthesized utilizing reversible addition‐fragmentation chain transfer…”
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Continuous reactor preparation of thermoplastic modified epoxy-amine prepolymers by Cheng, Xiaole, Wiggins, Jeffrey S.

“…Compared to batch reactors, the continuous reactor is capable of producing thermoplastic modified epoxy prepolymers for prepreg matrix with desired…”
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Phenylene Ring Motions in Isomeric Glassy Epoxy Networks and Their Contributions to Thermal and Mechanical Properties by Tu, Jianwei, Tucker, Samuel J, Christensen, Stephen, Sayed, Abdelwahed R, Jarrett, William L, Wiggins, Jeffrey S

“…Cross-linked epoxies prepared from diglycidyl ether of bisphenol A (DGEBA) exhibit substantial property differences due to isomeric structures of the diamine…”
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Kinetic studies of POSS–DGEBA precursors derived from monoamine functional POSS using dynamic dielectric sensing and nuclear magnetic resonance by Sharma, Amit K., Hassan, Mohammad K., Tu, Jianwei, Mauritz, Kenneth A., Wiggins, Jeffrey S.

“…ABSTRACT Incorporation of pre‐reacted monofunctional polyhedral oligomeric silsesquioxane (POSS)–epoxy adducts dramatically improves dispersion of POSS in…”
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Polyaryletherketone (PAEK) thermoplastic composites via in-situ ring opening polymerisation by Misasi, John M., Dao, Buu N., Dell’Olio, Carmelo, Swan, Sam R., Issadazeh, Salumeh, Wiggins, Jeffrey S., Varley, Russell J.

“…This work investigates the synthesis and characterisation of macrocyclic oligomers (MCO) from 4, 4′-difluoro benzophenone and catechol, their ring opening…”
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