Dynamic cure kinetics of epoxy/TiO2/MWCNT hybrid nanocomposites

Rajabi, Laleh; Motaie, H.; Derakhshan, Ali Ashraf; Kurdian, A.R.; Yazdanpanah, Reza

doi:10.1007/s13726-014-0282-3

Cited by 3 publications

(3 citation statements)

References 29 publications

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“…Powder particles that are loaded in the gun attach to the surface to be coated due to electrostatic attraction. It is possible to re-use the unattached powder particles that pass through in low efficiency mass production systems [ 21 , 22 , 23 , 24 , 25 , 26 ]. Furthermore, thermoset epoxy/polyester systems are used as thermoplastic filler material after hydrolysis.…”

Section: Introductionmentioning

confidence: 99%

Change of Mechanical Properties of Powder Recyclate Reinforced Polyolefin Based on Gamma Radiation

Kısmet

2017

Polymers

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Abstract:In this study, the changes observed in the mechanical properties of standard test specimens that were produced with powder coating reinforced polyolefin (polyethylene and polypropylene) due to gamma radiation were examined. Matrix material of these specimens included low density polyethylene and polypropylene and 5%, 10%, 20%, 30%, 40% and 50% electrostatic powder coating waste by weight, and the samples were exposed to 44 kGry gamma-radiation for twenty four hours. Mechanical tests applied to the specimens after radiation demonstrated that the physical bonding mechanism between matrix material and filler material was reinforced. In the mechanical tests, tensile strength, three-point bending strength, and Izod impact strength of the samples were investigated and the results were compared to the results obtained in the mechanical tests when they were not radiated. Thus, the effects of gamma radiation on the mechanical properties of the filler material, and the electrostatic powder coating reinforced polyethylene and polypropylene were determined. Furthermore, section images of the radiated samples were taken with a scanning electron microscope and compared to the section images of irradiated samples to observe the physical bonding mechanism.

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Section: Introductionmentioning

confidence: 99%

Change of Mechanical Properties of Powder Recyclate Reinforced Polyolefin Based on Gamma Radiation

Kısmet

2017

Polymers

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“…For some applications, it is an ideal polymer due to its transparency, its surface qualities and mechanical stiffness. Despite its amorphous nature, it is a thermoplastic that has always been preferred in the polymer industry due to its easy processability and versatility [6][7][8][9]. Thermoplastic materials are often used with many different kinds of organic and inorganic additives [10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Utilizing hydrolyzed powder recyclates as filler in polystyrene

Kısmet

Wagner

2019

Materialwissenschaft Werkst

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In the present study, hydrolyzed powder coating wastes were used as filler materials in polystyrene compounds, and the effect on the mechanical properties, melt flow index and density of polystyrene compounds were investigated. Epoxy/polyester, epoxy and polyurethane systems with thermoset structure were used as powder coating recyclates. After separately hydrolyzing these wastes, 5 %, 10 %, 20 % and 30 % by weight were homogeneously mixed with polystyrene, initially mechanically and subsequently with an extruder in the melt at 180 °C. The resulting compounds were cooled and granulated, and by use of an injection molding machine at 180 °C to 200 °C, standard tensile test bars were produced. Tensile strength, bending strength and izod impact strength of the test bars were measured and the variations of the mechanical properties of the polystyrene compounds as a function of the type and amount of filler were examined. In addition, melt flow index and density of the compounds were determined. Furthermore, the bonding mechanism of filler and matrix material was examined by electron microscopy.

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“…For example, non-linear change of glass transition temperature and dynamic modulus with TiO 2 content increase was observed for amine-cured epoxy micro-and nanocomposites obtained with the use of commercial fillers [9]. Such changes in the polymer chains molecular mobility often relate to a filler distribution in the polymeric matrix and interfacial interactions of polymer chains with filler particles.…”

Section: Introductionmentioning

confidence: 99%

Viscoelastic Properties of Amine-Cured Epoxy-Titania Composites Obtained by the Sol-Gel Method

Zhil’tsova¹,

Brovko²,

Leonova³

2018

ChChT

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Dynamic cure kinetics of epoxy/TiO2/MWCNT hybrid nanocomposites

Abstract: to α proved the autocatalytic cure mechanism, being followed by all the MWCNT-containing epoxy-based hybrid nanocomposites.

Cited by 3 publications

References 29 publications

Change of Mechanical Properties of Powder Recyclate Reinforced Polyolefin Based on Gamma Radiation

Change of Mechanical Properties of Powder Recyclate Reinforced Polyolefin Based on Gamma Radiation

Utilizing hydrolyzed powder recyclates as filler in polystyrene

Viscoelastic Properties of Amine-Cured Epoxy-Titania Composites Obtained by the Sol-Gel Method

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