The Influence of Micro- and Nano-Filler Content on the Mechanical Properties of Epoxy Composites

Ozsoy, İskender; Demirkol, Aşkın; Mimaroğlu, A.; Ünal, Hüseyin; Demir, Zafer

doi:10.5545/sv-jme.2015.2632

Cited by 105 publications

(62 citation statements)

References 18 publications

(19 reference statements)

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“…PVA 3264 2940 -1235 -1142 1084 834 PVA/20 % CS 3264 2940 1649 1560 1235 --1064 834 CS 3387, 3236* 2925 1630 1545 -1249 1153 1064 894 hardness was due to weakness in the adhesion between poly-(vinyl alcohol) and chitosan which was also explained for fly ash and nano clay epoxy composite [42]. The enhancement of mechanical properties of PVA/CS blends by comparison with neat poly(vinyl alcohol) resulted from the good adhesion at filler/matrix interface [42]. The hydrogen bonding between the -OH and -NH2 group of chitosan and OH group of poly-(vinyl alcohol) matrix led to improved adhesion between phases which resulted in improved mechanical properties [43].…”

Section: Resultsmentioning

confidence: 99%

Fabrication and Characterization of Biodegradable Poly(vinyl alcohol)/Chitosan Blends

Pokhrel¹,

Adhikari²,

Yadav³

2017

Asian J. Chem.

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Poly(vinyl alcohol)/chitosan (PVA/CS) blends were prepared by solution casting method using glutaraldehyde as a cross linking agent. Fourier transform infrared spectroscopy (FTIR) and microhardness technique were employed to study the intermolecular interactions between constituents of polymer blends and mechanical properties respectively. The degradation properties of PVA/CS films were studied by composting method. FTIR spectra of poly(vinyl alcohol) and PVA/CS blends showed some variations in the absorption bands which reflected interactions between the components of blends. The mechanical stiffness of PVA/CS blends was enhanced by chitosan upto 40 % loading and it was found optimum composition for the maximum enhancement of mechanical properties of the blend. The degradation rate of blends was found increased with the increase in chitosan content.

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Section: Resultsmentioning

confidence: 99%

Fabrication and Characterization of Biodegradable Poly(vinyl alcohol)/Chitosan Blends

Pokhrel¹,

Adhikari²,

Yadav³

2017

Asian J. Chem.

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“…This happens because of the average particle size of BN (137 nm) is relatively bigger than requirement nanoparticle size which is less than 100 nm. Also, 5wt% of the nanofiller concentration used in this study is considered as large amount thereby leading to the high rate of agglomeration of the nanoparticles [10].…”

Section: Morphological Analysismentioning

confidence: 99%

The Effect of Plasma-Treated Boron Nitride on Partial Discharge Characteristics of LDPE

Awang¹,

Ahmad²,

Arief³

et al. 2017

IJECE

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Power supply reliability is a key factor in a country economic stability. It is contributed by the reliable power distributor via transmission lines, overhead or underground cables. However, the power cables and accessories are always exposed to pre-breakdown phenomena known as partial discharges (PD) which commonly occur in microvoids, defects or protrusions inside the insulation.To improve the performance of the cable insulation against PD, nanofillers are added into the insulating materials. However, to achieve superior performance of PD resistance, the nanofillers must be homogeneously dispersed into the polymer matrices withtightly bonded interfacial zones. Therefore, this could be achieved by employing method of surface functionalization by using cold atmospheric plasma to strengthen the filler/polymer interfaces. In view of foregoing, this study investigated the effects of surface treated boron nitride (BN) nanoparticles in Low Density Polyethylene (LDPE) on the PD characteristics by following CIGRE Method II at 7 kVrmsapplied voltage. The phase resolved PD characteristics were performed. The results revealed that by treating the nanofillers with cold plasma, the PD resistance of LDPE were highly achieved compared with the untreated BN nanofillers.

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“…Raja et al (2013) melakukan penelitian pengaruh ukuran fly ash sebagai bahan pengisi komposit matriks polimer, fly ash 300 nm dapat meningkatkan nilai kekerasan yang lebih tinggi dari ukuran bahan pengisi lainny hal ini disebabkan gaya adhesi antar permukan matriks dengan filler lebih kuat. Ozsoy et al (2015), telah melakukan penelitian pengaruh mikro-filler, dan nanofiller pada sifat mekanik komposit efoksi dengan mikro filler Al2O3, TiO2, dan fly ash dengan rasio 10 wt% sampai 30% berat, pengisi nano dari Al2O3, TiO2 dan tanah liat 2,5 wt% sampai 10% dengan hasil kekuatan tarik, kekuatan lentur, dan perpanjangan putus menurun, sedangkan modulus tarik, dan modulus lentur meningkat seiring dengan meningkatnya kandungan mikro dan nano-filler.…”

Section: Pendahuluanunclassified

Natural Rubber Modification for Upper Layer of Rubberized Asphalt Paving Block as Shock Absorber

Nasruddin¹

2017

JDPI

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AbstrakTelah dilakukan modifikasi karet alam, karet sintetis styrene butadiene rubber (SBR) dengan bahan pengisi, dan bahan pelunak dari minyak sayur menjadi karet peredam benturan untuk lapisan atas paving block aspal berkaret. Riset didesain dengan memvariasikan bahan pengisi silika Si-69, abu terbang dan minyak sawit. Penelitian ini terdiri dari lima formula (A, B, C, D, dan E) dengan memvariasikan silika (48,5; 50,75; 53,00; 55,25; dan 57,50), abu terbang batubara (4,75; 7,00; 9,25; 11,50; dan 13,75) phr, dan minyak sayur dari minyak sawit (6,5; 7,0; 7,5; 8,0; 8,5; dan 9) phr. Karet alam yang digunakan berasal dari karet rakyat yang ditambahkan SBR dengan rasio campuran untuk masing-masing formula dikondisikan 82,50 : 17,50. Bahan kimia sebagai bahan proses yang digunakan untuk kelima formula dikondisikan. Sifat mekanik karet peredam benturan untuk lapisan atas paving block aspal berkaret diuji dengan hasil terbaik pada formula D dengan nilai specific gravity 1,78 g/cm 3 , kekerasan 81 shore A, ketahanan kikis 52,85 mm 3 , pampatan tetap 25% defl, 70 o C, 22h dengan hasil 21,40%, tegangan putus 195,69 N/m 3 , dan ketahanan ozon untuk semua formula tidak terjadi keretakan. 50.75; 53.00; 55.25; and 57.50) phr; coal fly ash (4.75, 7.00, 9.25, 11.50 and 13.75) phr; and vegetable oil from palm oil (6.5, 7.0, 7.5, 8.0, 8.5, and 9) set, 25% defl, 70 o C, 22h: 21,40%; tensile strength 195,69 N/ m 3 ; ozone resistance showed no crack. Kata kunci: abu terbang, karet alam, karet peredam benturan, minyak sayur, silika Abstract The research of rubber compounding modification for upper layer of rubberized asphalt paving block as shock absorber using natural rubber, styrene butadiene rubber (SBR) as synthetic rubber, fly ash as filler and also vegetable oil as plasticizer has been conducted. The research design was varying the filler Si-69, fly ash and palm oil. The five formulas A, B, C, D, and E designed by varying the amount of

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The Influence of Micro- and Nano-Filler Content on the Mechanical Properties of Epoxy Composites

Cited by 105 publications

References 18 publications

Fabrication and Characterization of Biodegradable Poly(vinyl alcohol)/Chitosan Blends

Fabrication and Characterization of Biodegradable Poly(vinyl alcohol)/Chitosan Blends

The Effect of Plasma-Treated Boron Nitride on Partial Discharge Characteristics of LDPE

Natural Rubber Modification for Upper Layer of Rubberized Asphalt Paving Block as Shock Absorber

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