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Investigating the linear viscoelastic behaviour at high frequencies in the transition to glassy regime for polystyrene melts and solutions
This work focuses on the linear viscoelastic behaviour at length scales shorter than an entangled strand and attempts to connect it to the nonlinear...
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First-harmonic nonlinearities can predict unseen third-harmonics in medium-amplitude oscillatory shear (MAOS)
We use first-harmonic MAOS nonlinearities from G 1 ′ and G 1 ″ to test a predictive structure-rheology model for a transient polymer network. Using...
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A comparative study of the effects of cone-plate and parallel-plate geometries on rheological properties under oscillatory shear flow
In this study, the effects of cone-plate (C/P) and parallel-plate (P/P) geometries were investigated on the rheological properties of various complex...
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Gelatin–alginate–hyaluronic acid inks for 3D printing: effects of bioglass addition on printability, rheology and scaffold tensile modulus
Natural hydrogels are widely used for 3D-bioprinting because of their qualities for tissue engineering. Recently, hydrogels have been combined with...
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Application of polycarbonate diol containing hindered urea to polyurethane-based clearcoats for tuning of scratch-healing properties
Newly synthesized polycarbonate diols containing hindered urea (PCD-HUs) were employed to modify the scratch-healing properties of conventional...
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Dynamics in Polymer Nanocomposites—From Conventional to Self-suspended Hybrid Systems
The functionalizationPolymer nanocomposites of nanoparticlesNanoparticle has been broached as a possible means to ensuring their...
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Instantaneous dimensionless numbers for transient nonlinear rheology
Two instantaneous dimensionless numbers that act as Deborah and Weissenberg numbers are introduced to diagnose flow conditions for transient...
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Physico-Chemical Characterization at Early-Age of 3D Printed Mortar
The rheology is the key factor that controls the 3D printability of cement-based materials. Indeed, the printed material should satisfy both good...
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Rheological properties of engineered protein polymer networks
The linear and nonlinear mechanical properties of recombinant protein polymer networks are reviewed, with particular emphasis on how to tune elastic...
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The trade-off between processability and performance in commercial ionomers
Strong ionic interactions between macromolecular chains improve physical and mechanical properties beyond those of the base polymer. Associating...
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Modelling elongational viscosity overshoot and brittle fracture of low-density polyethylene melts
The Hierarchical Multi-mode Molecular Stress Function (HMMSF) model predicts the elongational and multiaxial extensional viscosities of polydisperse...
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Influence of functional group content in hydroxyl-functionalized urethane methacrylate oligomers on the crosslinking features of clearcoats
Crosslinking characteristics and surface mechanical properties of radical and urethane dual-curable clearcoats were investigated by changing...
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Analysis of elongational flow of star polymers
Star polymers with three arms are the simplest example of branched polymers. Elongational rheology data of three well-characterized monodisperse...
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Investigation of thermoplastic melt flow and dimensionless groups in 3D bioplotting
We investigate the key 3D bioplotting processing parameters, including needle diameter and dispensing pressure, on the shear rates, shear stresses,...
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Modelling the effect of hydrogen bonding on elongational flow of supramolecular polymer melts
Hydrogen bonding is the most common noncovalent reversible interaction leading to supramolecular polymeric assemblies. Shabbir et al. (Macromolecules...
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Molecular constitutive equation for unentangled branch copolymers
The dynamics and linear viscoelasticity of the heterogeneous polymeric system with complex molecular topology and semiflexibility are studied in this...
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Elongational behavior of silica nanoparticle-filled low-density polyethylene/polylactic acid blends and their morphology
We investigated the rheological behavior of linear low-density polyethylene (LLDPE)/polylactic acid (PLA) blends in the presence of modified and...
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On fitting data for parameter estimates: residual weighting and data representation
We describe a fundamental problem in fitting rheological data to infer parameters and thus structural information about a material. The results may...
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Effect of isocyanate crosslinkers blocked with amine derivatives on rheological and crosslinking characteristics of automotive clearcoats
Isocyanate crosslinkers with blocking agents based on various amine derivatives were newly synthesized for automotive clearcoat applications....
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Favorable formation of stereocomplex crystals in long-chain branched poly(L-lactic acid)/poly(D-lactic acid) blends: impacts of melt effect and molecular chain structure
A feasible approach is proposed to promote the formation of the stereocomplex crystal (S c ) in long-chain branched Poly(L-lactic acid)/Poly(D-lactic...
