Mechanical properties of blends of HDPE and recycled urea-formaldehyde resin

Bliznakov, Evelin D.; White, Chris C.; Shaw, Montgomery T.

doi:10.1002/1097-4628(20000929)77:14<3220::aid-app250>3.0.co;2-4

Cited by 98 publications

(76 citation statements)

References 22 publications

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“…The effect of particulate filler on a continuous polymer matrix has been previously studied in great detail and a number of models exists which can predict the impact of particles on the shear modulus of the composite [36]. The DMTA results can be compared to these theoretical predictions in order to provide a sense of how closely the inductively heated SMP material conform to classical expectationss.…”

Section: Discussionmentioning

confidence: 99%

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Inductively Heated Shape Memory Polymer for the Magnetic Actuation of Medical Devices

Buckley

McKinley

Wilson

et al. 2006

IEEE Trans. Biomed. Eng.

332

205

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Presently there is interest in making medical devices such as expandable stents and intravascular microactuators from shape memory polymer (SMP). One of the key challenges in realizing SMP medical devices is the implementation of a safe and effective method of thermally actuating various device geometries in vivo. A novel scheme of actuation by Curiethermoregulated inductive heating is presented. Prototype medical devices made from SMP loaded with Nickel Zinc ferrite ferromagnetic particles were actuated in air by applying an alternating magnetic field to induce heating. Dynamic mechanical thermal analysis was performed on both the particle-loaded and neat SMP materials to assess the impact of the ferrite particles on the mechanical properties of the samples. Calorimetry was used to quantify the rate of heat generation as a function of particle size and volumetric loading of ferrite particles in the SMP. These tests demonstrated the feasibility of SMP actuation by inductive heating. Rapid and uniform heating was achieved in complex device geometries and particle loading up to 10% volume content did not interfere with the shape recovery of the SMP.

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Section: Discussionmentioning

confidence: 99%

“…The DMTA results can be compared to these theoretical predictions in order to provide a sense of how closely the inductively heated SMP material conform to classical expectationss. One well known model is the Guth and Smallwood equation [36]:…”

Section: Discussionmentioning

confidence: 99%

Inductively Heated Shape Memory Polymer for the Magnetic Actuation of Medical Devices

Buckley

McKinley

Wilson

et al. 2006

IEEE Trans. Biomed. Eng.

332

205

View full text Add to dashboard Cite

show abstract

“…In the calculations, Poisson's ratio of 0.3 [32][33], density of 2.0 g/cm 3 [30,34,35], Young's modulus of 50 GPa [36][37][38], and estimated aspect ratio of 100 were used for MWCNTs, and Poisson's ratio of 0.35 [39,40] and Young's moduli measured for HDPEPEgMA reference samples (0.66-0.70 GPa) were used for the matrix.…”

Section: Characterizationmentioning

confidence: 99%

Influence of carbon nanotube–polymeric compatibilizer masterbatches on morphological, thermal, mechanical, and tribological properties of polyethylene

Pöllänen

Pirinen

Suvanto

et al. 2011

Composites Science and Technology

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“…The ceramic particles are dispersed homogeneously with the interspaces filled with PS at all magnification level, and large defects are not observed. calculated by counting a large number of particles from various micrographs of different magnification and quantitatively analyzed in terms of their diameter [26]. The number average particle diameter is given by Equation (4): (4) The weight average particle diameter is given by Equation (5): (5) The volume average particle diameter is given by Equation (6): (6) where N i is the number of particles having diameter D i .…”

Section: Sem Analysismentioning

confidence: 99%

Mechanical properties of ceramic-polymer nanocomposites

Abraham¹,

Kuryan²,

Isac³

et al. 2009

Express Polym. Lett.

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Nano crystalline powders of Barium Sodium Niobate (BNN) with the composition Ba3–2x Na4+x R Nb10 O30 with (R stands for rare earth = 0, x = 0) have been prepared by conventional ceramic technique. Barium Sodium Niobate can form a wide range of solid solutions, incorporating rare earth and alkali, alkaline earth elements with different compositions. The powder belonged to tungsten bronze type structure with tetragonal symmetry and lattice constants a = b = 1.2421 nm and c = 0.3903 nm. XRD (X-ray Diffraction) SEM (Scanning Electron Microscope) and AFM (Atomic Force Microscope) studies revealed that the particle size is in the nanometer range. Composites are prepared by mixing powders of BNN with polystyrene at different volume fractions of the BNN. Melt mixing technique is carried out in a Brabender Plasticoder at a rotor speed of 60 rpm (rotations per minute) for composite preparation. Mechanical properties such as stress-strain behavior, Young’s modulus, tensile strength, strain at break etc. are evaluated. Addition of filler enhances the mechanical properties of the polymer such as Young’s modulus and tensile strength. The composites showed the trend of perfect adhesion between the filler and the polymer. The filler particles are distributed relatively uniform fashion in all composites and the particles are almost spherical in shape with irregular boundaries. To explore more carefully the degree of interfacial adhesion between the two phases, the results are analyzed by using models featuring adhesion parameter. The experimental results are compared with theoretical predictions

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Mechanical properties of blends of HDPE and recycled urea-formaldehyde resin

Cited by 98 publications

References 22 publications

Inductively Heated Shape Memory Polymer for the Magnetic Actuation of Medical Devices

Inductively Heated Shape Memory Polymer for the Magnetic Actuation of Medical Devices

Influence of carbon nanotube–polymeric compatibilizer masterbatches on morphological, thermal, mechanical, and tribological properties of polyethylene

Mechanical properties of ceramic-polymer nanocomposites

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