Synthesis and characterization of waste polyethylene reinforced modified castor oil‐based polyester biocomposite

Aydoğmuş, Ercan; DAĞ, Mustafa; Yalçın, Zehra Gülten; Arslanoğlu, Hasan

doi:10.1002/app.52526

Cited by 18 publications

(12 citation statements)

References 46 publications

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“…According to the results obtained in this study, optimum composite production was made with 5 wt.% biomass reinforcement. Higher filler reinforcement negatively affected both the mechanical properties and surface morphology of the composite [43][44][45][46][47][48][49][50][51]. SEM images of pure and biomass reinforced composites are given in Figure 6 and Figure 7.…”

Section: Conclusion and Recommendationsmentioning

confidence: 99%

Cornus Alba Reinforced Polyester-Epoxy Hybrid Composite Production and Characterization

BURAN

DURĞUN

Aydoğmuş

2022

EJOSAT

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In this study, ornamental cranberry (Cornus Alba) reinforced hybrid composite is synthesized. The plant leaves have been collected, dried, and ground for composite production. After it is reinforced into unsaturated polyester (UP) at different rates by mass, it is mixed to show a homogeneous distribution. Then, 5 wt.% of the total mixture is added to the epoxy resin and polymerization reactions are started with the help of necessary additives and catalysts. The product obtained is poured into standard molds and after waiting one day for curing, necessary tests are carried out. According to the results obtained, biomass supplementation reduces the density of the hybrid composite. Although the addition of epoxy resin increases the hardness of the composite, the ornamental cranberry supplement reduces Shore D hardness. It is observed that the thermal conductivity coefficient decreases as the ratio of polyester resin in the composite increases. However, both epoxy resin and biomass reinforcement slightly raises the thermal conductivity coefficient. Also, high biomass reinforcement both weakens the mechanical strength of the hybrid composite and negatively affects the surface morphology. In this study, it was determined that the composite obtained by using 88.5 wt.% UP, 3 wt.% Epoxy A, 1.5 wt.% Epoxy B, 5 wt.% biomass, 1.5 wt.% methyl ethyl ketone peroxide (MEKP), and 0.5 wt.% cobalt octoate (Co Oc) showed optimum properties.

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Section: Conclusion and Recommendationsmentioning

confidence: 99%

Cornus Alba Reinforced Polyester-Epoxy Hybrid Composite Production and Characterization

BURAN

DURĞUN

Aydoğmuş

2022

EJOSAT

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“…For example, polymer wastes such as polyethylene terephthalate, tire rubber, cable, polyethylene, mask, and polyurethane can be used in composite production. In this way, both economical composite production is realized and polymer wastes that cause environmental pollution are eliminated [19][20][21][22][23][24][25][26].…”

Section: Introductionmentioning

confidence: 99%

Determination of thermophysical properties of Ficus elastica leaves reinforced epoxy composite

BURAN¹,

DURĞUN²,

Aydoğmuş³

et al. 2023

FUJECE

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In this study, Ficus elastica leaves have been reinforced into an epoxy composite and some physical and chemical characterization of the obtained composite is made. Ficus elastica leaves are ground between 297 and 149 microns. The biomass (Ficus elastica) prepared as a filler material is kept in sodium hydroxide (% 7 NaOH) solution for 24 hours for alkali activation. It is then washed three times with distilled water and dried in an oven at 75 °C for 3 hours. Composite production is carried out by reinforcing the prepared filler to the epoxy resin in certain proportions by mass. The effect of the biomass filler added at the rate of 0 wt.%, 1 wt.%, 3 wt.%, 5 wt.%, and 7 wt.% on the density, Shore D hardness, thermal conductivity coefficient, and activation energy of the epoxy composite is determined. According to the results obtained, the density of the epoxy composite decreases as the filler ratio in the mixture increases. Shore D hardness of epoxy composite decreases with the addition of biomass filler. The epoxy composite produced with biomass reinforcement reduces both the thermal conductivity coefficient and the activation energy. Besides, when the chemical bond structure of the obtained polyester composite is analyzed by Fourier transform infrared spectrometer (FTIR), it is seen that there is a physical interaction. According to scanning electron microscopy (SEM) images, 5 wt.% and 7 wt.% reinforcement of Ficus elastica leaves negatively affects the surface morphology of the epoxy composite.

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“…These features can be said as excellent adhesiveness, chemical and thermal resistance, electrical insulation, thermoset resin property, chemical stability, low cost, curing shrinkage, and good mechanical properties. Due to these characteristics, it has a wide range of uses from aviation to the energy industry, from the construction sector to adhesives, and from marine vehicles to installation materials (Arat et al, 2022;Aydoğmuş, 2022;Aydoğmuş et al, 2022aAydoğmuş et al, , 2022bDağ et al, 2022;George & Bhattacharyya, 2021;İNal & Ataş, 2018Kaya, 2016;Özdemir, 2019;Şahal & Aydoğmuş, 2021;Yalçın, 2010;Yanen et al, 2022). In the literature, it has been seen that inorganic or organic filling materials such as graphene, nano silica, nanoclay, polyimide, cellulose nanofiber, etc.…”

Section: Introductionmentioning

confidence: 99%

Obtaining Diatomite Reinforced Epoxy Composite and Determination of Its Thermophysical Properties

DAĞ

2023

Journal of the Turkish Chemical Society Section B: Chemical Engineering

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In this research, a composite material was produced by adding diatomite soil to epoxy resin. The particle size of the diatomite used is in the range of 297 to 149 microns. It was dried at 378 K before being used as a filling material. By adding 0 kg, 0.001 kg, 0.002 kg, 0.004 kg, and 0.006 kg of diatomite to the epoxy matrix, the composite was produced under atmospheric conditions. To obtain a homogeneous structure, certain amounts of Epoxy A component and diatomite were mixed first. A selected amount of epoxy component B was then added to the mixture. After one day of curing in the laboratory, necessary tests and analyses were carried out. The surface morphology of the produced composite was examined by scanning electron microscopy (SEM). As a result of the analyses and tests, it was seen that the increase in the amount of diatomite increased the porosity in the composite. In addition, it was observed that the density decreased, and the thermal conductivity coefficient varied between 0.110 W /m.K and 0.095 W /m.K It was observed that the hardness was linearly in the range of 77-80 shore D. It has been determined that the addition of diatomite tends to increase the activation energy by modeling the thermal degradation experiments performed in the PID controlled system in nitrogen environment between 300 K and 900 K. Activation energy values are calculated according to the one-dimensional diffusion function with the highest correlation coefficient (R2) according to Coats-Redfern method when the temperature rise is 10 K/min, and the conversion rate (α) is between 0.15 and 0.85.

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Synthesis and characterization of waste polyethylene reinforced modified castor oil‐based polyester biocomposite

Cited by 18 publications

References 46 publications

Cornus Alba Reinforced Polyester-Epoxy Hybrid Composite Production and Characterization

Cornus Alba Reinforced Polyester-Epoxy Hybrid Composite Production and Characterization

Determination of thermophysical properties of Ficus elastica leaves reinforced epoxy composite

Obtaining Diatomite Reinforced Epoxy Composite and Determination of Its Thermophysical Properties

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