Gary E. Wnek
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View article: Mechanical Enhancement of Biaxially Cold Rolled Poly (L‐Lactic Acid): Influence of Crystallinity and Short‐Term Physical Aging
Mechanical Enhancement of Biaxially Cold Rolled Poly (L‐Lactic Acid): Influence of Crystallinity and Short‐Term Physical Aging Open
Amorphous and semicrystalline PLLA plaques were biaxially rolled at room temperature and characterized over 2 weeks to assess changes in their tensile, flexural, and impact properties. Results demonstrate that rolling induces a brittle‐to‐…
View article: Intumescent Coatings and Their Applications in the Oil and Gas Industry: Formulations and Use of Numerical Models
Intumescent Coatings and Their Applications in the Oil and Gas Industry: Formulations and Use of Numerical Models Open
The oil and gas industry is subject to significant fire hazards due to the flammability of hydrocarbons and the extreme conditions of operational facilities. Intumescent coatings (ICs) serve as a crucial passive fire protection strategy, f…
View article: Thermal Insulation Performance of Epoxy-Based Intumescent Coatings: Influence of Temperature-Induced Porosity Evolution on Heat Transfer Resistance
Thermal Insulation Performance of Epoxy-Based Intumescent Coatings: Influence of Temperature-Induced Porosity Evolution on Heat Transfer Resistance Open
This study investigated the thermal performance of reduced super intumescent (RSI) coating, focusing on the correlation between porosity evolution and thermal conductivity under elevated temperature conditions. Porosity development was qua…
View article: Mechanical properties and solid‐state structures of polypropylene using novel solventless processing techniques
Mechanical properties and solid‐state structures of polypropylene using novel solventless processing techniques Open
Solid‐state processing of semi‐crystalline polymers is an attractive, environmentally friendly, and scalable methodology that can be used to produce high‐value‐added products. In this study, we applied a two‐stage scrapless, solventless, a…
View article: Investigating the Effects of Temperature, Azodicarbonamide, Boron Nitride, and Multilayer Film/Foam Coextrusion on the Properties of a Poly(Hydroxyalkanoate)/Poly(Lactic acid) Blend
Investigating the Effects of Temperature, Azodicarbonamide, Boron Nitride, and Multilayer Film/Foam Coextrusion on the Properties of a Poly(Hydroxyalkanoate)/Poly(Lactic acid) Blend Open
Poly(hydroxyalkanoates) (PHAs) are emerging as sustainable materials in packaging and medical device industries. Nevertheless, the high cost and the need to improve the mechanical properties have limited their widespread use. Blending with…
View article: High elastic modulus polyethylene: Process‐structure‐property relationships
High elastic modulus polyethylene: Process‐structure‐property relationships Open
Previous studies have shown that gel‐spun‐ultra‐high‐molecular‐weight polyethylene (UHMWPE) produces thin fibril products that exhibit high tensile moduli (35–200 GPa). The elaborate gel‐spinning process involves complex drawing stages wit…
View article: Poly(hydroxyalkanoates): Emerging Biopolymers in Biomedical Fields and Packaging Industries for a Circular Economy
Poly(hydroxyalkanoates): Emerging Biopolymers in Biomedical Fields and Packaging Industries for a Circular Economy Open
Poly(hydroxyalkanoates) (PHAs) are a class of sustainable, bio-based thermoplastic polymers with attractive physiochemical properties, including non-toxicity, biocompatibility, elastomeric behavior by design, and piezoelectric characterist…
View article: Tannic acid's role as both char former and blowing agent in epoxy‐based intumescent fire retardants
Tannic acid's role as both char former and blowing agent in epoxy‐based intumescent fire retardants Open
A novel intumescent fire‐retardant coating formulation has been developed by taking advantage of the inherent stability of large cyclic polyphenols (e.g., tannic acid) to remove the need for a dedicated blowing agent, specifically melamine…
View article: Membrane Considerations for the All-Iron Hybrid Flow Battery
Membrane Considerations for the All-Iron Hybrid Flow Battery Open
The all-iron flow battery is currently being developed for grid scale energy storage. As with all flow batteries, the membrane in these systems must meet stringent demands for ionic conductivity while limiting unwanted reactant (Fe 3+ ) cr…
View article: A novel PLA high oxygen barrier multilayer film/foam
A novel PLA high oxygen barrier multilayer film/foam Open
Production of biopolymer for packaging applications is still a burgeoning demand with the rising environmental concern about pollution due to non‐degradable plastic waste materials. This paper introduces a novel approach, yet a continuous …
View article: Oriented Tapes of Incompatible Polymers Using a Novel Multiplication Co-Extrusion Process
Oriented Tapes of Incompatible Polymers Using a Novel Multiplication Co-Extrusion Process Open
Continuous tapes of polypropylene (PP) and high-density polyethylene (HDPE) were produced using a novel multiplication co-extrusion process. The structure of the PP/HDPE tapes consists of co-continuous PP and HDPE domains aligned in the ex…
View article: Critical Salt Loading in Flexible Poly(vinyl alcohol) Sensors Fabricated by an Inkjet Printing and Plasma Reduction Method
Critical Salt Loading in Flexible Poly(vinyl alcohol) Sensors Fabricated by an Inkjet Printing and Plasma Reduction Method Open
We report a low-temperature inkjet printing and plasma treatment method using silver nitrate ink that allows the fabrication of conductive silver traces on poly(vinyl alcohol) (PVA) film with good fidelity and without degrading the polymer…
View article: Development and characterization of novelly grown fire-resistant fungal fibers
Development and characterization of novelly grown fire-resistant fungal fibers Open
This study conducted a comprehensive characterization and analyses on the fire-resistant behaviors of novel fungal fibers grown with substrate containing Silica (Si) source at multiple scales. At micro-scale, the results of SEM showed that…
View article: Bio-Mimicking, Electrical Excitability Phenomena Associated With Synthetic Macromolecular Systems: A Brief Review With Connections to the Cytoskeleton and Membraneless Organelles
Bio-Mimicking, Electrical Excitability Phenomena Associated With Synthetic Macromolecular Systems: A Brief Review With Connections to the Cytoskeleton and Membraneless Organelles Open
Electrical excitability of cells, tissues and organs is a fundamental phenomenon in biology and physiology. Signatures of excitability include transient currents resulting from a constant or varying voltage gradient across compartments. In…
View article: Cover Image
Cover Image Open
The cover image is based on the Research Article Physically-cross-linked poly(vinyl alcohol) cell culture plate coatings facilitate preservation of cell–cell interactions, spheroid formation, and stemness by Kathleen Molyneaux et al., http…
View article: N,P‐Codoped, Low‐Density, Amorphous Carbon Foam for High‐Performance Supercapacitors: Polymer‐Based Scalable Production at Low Cost
N,P‐Codoped, Low‐Density, Amorphous Carbon Foam for High‐Performance Supercapacitors: Polymer‐Based Scalable Production at Low Cost Open
Herein, a large‐scale production of low‐dense (1.7–2.0 mg cc −1 ) amorphous carbon foam (char) is demonstrated by simple combustion of an epoxy‐based intumescent composite followed by annealing in argon at 600–900 ºC. It is observed that a…
View article: Tannic acid based <scp>super‐intumescent</scp> coatings for prolonged fire protection of cardboard and wood
Tannic acid based <span>super‐intumescent</span> coatings for prolonged fire protection of cardboard and wood Open
Tannic acid (TA) has gained increased attention in recent years for its application in fire safety due to its natural abundance and char‐forming ability. In this paper, TA‐based composites were developed and evaluated against control compo…
View article: Microcapillary Reactors via Coaxial Electrospinning: Fabrication of Small Poly(Acrylic Acid) Gel Beads and Thin Threads of Biological Cell Dimensions
Microcapillary Reactors via Coaxial Electrospinning: Fabrication of Small Poly(Acrylic Acid) Gel Beads and Thin Threads of Biological Cell Dimensions Open
Poly(acrylic acid) (PAA) bulk gels and threads, typically derived via free-radical polymerization, are of interest as anionic polyelectrolyte mimics of cellular cytosol and as models for early protocells. The thread dimensions have been li…
View article: Product And Process Design And Delivery: Invention Through To Innovation
Product And Process Design And Delivery: Invention Through To Innovation Open
NOTE: The first page of text has been automatically extracted and included below in lieu of an abstract Product and Process Design and Delivery: Invention Through to Innovation Gary E. Wnek1 and Stanton G. Cort2 1 Department of Chemical En…
View article: Chem Engine: Realizing Entrepreneurship In Undergraduate Engineering Education
Chem Engine: Realizing Entrepreneurship In Undergraduate Engineering Education Open
NOTE: The first page of text has been automatically extracted and included below in lieu of an abstract Session 1454 ChemEngine: Realizing Entrepreneurship in Undergraduate Engineering Education Gary Huvard, Gary Wnek , Bradford Crosby, Ni…
View article: Using The Internet As A Teaching Aid
Using The Internet As A Teaching Aid Open
NOTE: The first page of text has been automatically extracted and included below in lieu of an abstract Session 2520 Using the Internet as a Teaching Aid M. A. Palmer, J. B. Hudson, C. T. Moynihan, G. E. Wnek Rensselaer Polytechnic Institu…
View article: Antimicrobial Activity of Silver Containing Crosslinked Poly(Acrylic Acid) Fibers
Antimicrobial Activity of Silver Containing Crosslinked Poly(Acrylic Acid) Fibers Open
Bacterial and fungal pathogens have caused serious problems to the human health. This is particularly true for untreatable infectious diseases and clinical situations where there is no reliable treatment for infected patients. To increase …
View article: Artificial Polymeric Scaffolds as Extracellular Matrix Substitutes for Autologous Conjunctival Goblet Cell Expansion
Artificial Polymeric Scaffolds as Extracellular Matrix Substitutes for Autologous Conjunctival Goblet Cell Expansion Open
Biopolymer substrates in the form of hydrogels and silk films provided for better adherence, proliferation, and differentiation than the electrospun scaffolds and could be used for conjunctival goblet cell expansion for eventual transplant…