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1,200 Newest Publications in journal of polymer science part b: polymer physics

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Nanoscale interfibrillar adhesion in UHMWPE fibers

20-Dec-2017 | Preston B. McDaniel, Kenneth E. Strawhecker, Joseph M. Deitzel, John W. Gillespie, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT The goal of this research is to quantify the fibrillar adhesive energy in ultra‐high molecular weight polyethylene fibers, characteristic of nanoscale fibril interactions. Quantification of these energies is vital to the understanding of fibrillar deformation mechanisms that have been ...

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Dynamical behavior of magnetic polarizable microsphere using whispering gallery mode

20-Dec-2017 | Edoardo Rubino, Tindaro Ioppolo, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT In this article, analytical and experimental studies are carried out to investigate the dynamical behavior of polymer microspheres that are doped with magnetic polarizable microparticles. The effect of a static and harmonic inductive magnetic field on the elastic deformation of the ...

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Enhanced interfacial interaction by grafting carboxylated‐macromolecular chains on nanodiamond surfaces for epoxy‐based thermosets

12-Oct-2017 | Yinhang Zhang, Soo‐Jin Park, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT A novel core‐shell‐structured carboxylated‐styrene butadiene rubber (XSBR)‐functionalized nanodiamond (ND‐XSBR) was synthesized and characterized. Epoxy (EP) nanocomposites toughened by pristine ND and ND‐XSBR were investigated and compared. The ND‐XSBR‐reinforced nanocomposite ...

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Nanostructural evidence of mechanical aging and performance loss in ballistic fibers

28-Sep-2017 | John A. Howarter, Ming Liu, Walter G. McDonough, Christopher Soles, Gale A. Holmes, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT It is understood that the ballistic resistance of aromatic polyamide fibers is related to the fiber's ultimate tensile strength, strain‐to‐failure, and Young's modulus. Ideal high‐performance ballistic materials maximize these properties while minimizing material density. Equally ...

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Role of polymer network and gelation kinetics on the mechanical properties and adsorption capacity of chitosan hydrogels for dye removal

25-Sep-2017 | Martina Salzano de Luna, Rosaria Altobelli, Lucia Gioiella, Rachele Castaldo, Giuseppe Scherillo, Giovanni Filippone, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT Chitosan (CS) hydrogels are receiving growing attention as adsorbents for water purification purposes. The conditions of preparation of this class of materials play a crucial in the determination of their performances; however, this aspect is often neglected in the literature. In this ...

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Effect of strain‐induced molecular ordering on mechanical performance and barrier properties of polylactide nanocomposites

25-Sep-2017 | Shahir Karami, Pierre G. Lafleur, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT Plastic deformation of polylactide has been known as a self‐reinforcement alternative to improve mechanical and barrier properties. In this study, the structural evolution was investigated during a hot‐drawing process, at different initial strain rates and temperatures above Tg of ...

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Influence of side chain linker length on ion‐transport properties of polymeric ionic liquids

18-Sep-2017 | Jordan R. Keith, Santosh Mogurampelly, Bill K. Wheatle, Venkat Ganesan, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT We used atomistic molecular dynamics simulations to study the properties of polymerized 1‐alkene‐3‐butylimidazolium‐hexafluorophosphate, a polymerized ionic liquid electrolyte, and characterized the influence of the linear alkene length on the mobility of the hexafluorophosphate ions. ...

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High strength reversible adhesive closures

06-Sep-2017 | Daniel R. King, Michael D. Bartlett, Martin Nalbach, Duncan J. Irschick, Alfred J. Crosby, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT Closures such as buttons, clasps, zippers, and hook‐and‐loops find widespread use in daily life, and all work by mechanical interlocking. However, these traditional closures are often rigid, lose performance with age, and can produce a harsh sound during use. Here high strength (>50 ...

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Thickness dependence of structural relaxation in spin‐cast polynorbornene films with high glass transition temperatures (>613 K)

05-Sep-2017 | Elizabeth A. Lewis, Bryan D. Vogt, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT The isothermal structural relaxation (densification) of a family of glassy polynorbornene films with high glass transition temperatures (Tg > 613 K) is assessed via spectroscopic ellipsometry. Three polymers were examined: poly(butylnorbornene) (BuNB), poly(hydroxyhexafluoroisopropyl ...

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Flash DSC crystallization study of blown film grade bimodal high density polyethylene (HDPE) resins. Part 2. Non‐isothermal kinetics

02-Sep-2017 | Cecilia D. Treviño‐Quintanilla, Ramanan Krishnamoorti, Jaime Bonilla‐Ríos, Journal of Polymer Science Part B: Polymer Physics, 2017

ABSTRACT Non‐isothermal ultra‐fast cooling crystallization tests were conducted on three blown film grade bimodal high density polyethylene (HDPE) resins using a fast differential scanning calorimeter, the Flash DSC. Non‐isothermal tests were performed at cooling rates between 50 and 4000°K/s, ...

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