Epoxidized vegetable oils as processing aids and activators in carbon-black filled natural rubber compounds

Chandrasekara, Ganga; Mahanama, M. K.; Edirisinghe, D. G.; Karunanayake, L.

doi:10.4038/jnsfsr.v39i3.3628

Cited by 42 publications

(47 citation statements)

References 16 publications

(13 reference statements)

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“…However, the ban is not fully enforced to date since effective alternatives are not available in the market. [1] Vegetable oils are environmentally friendly, biodegradable, less costly and readily available. The use of these oils in many applications has attracted the attention of many researchers due to their potential as substitutes to petrochemical derivatives.…”

Section: Introductionmentioning

confidence: 99%

Effect of Vegetable Oils as Processing Aids in SBR Compounds

Pechurai

Chiangta

Tharuen

2015

Macromolecular Symposia

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Summary: This research was studied on the cure characteristics and mechanical properties of rubber compounds using vegetable oil as the processing aid in styrene butadiene rubber compound such as castor oil and jatropha oil in comparison with petroleum based aromatic oil. The quantities of the oils varied from 0 to 9 phr. The study showed that the cure characteristics in terms of maximum torque and torque difference tended to decrease with increasing concentrations of oils, while scorch time and cure rate index increased. Moreover, hardness and 100% modulus tended to decrease as increasing loading levels of the oils in the SBR vulcanizates while elongation at break increased. However, tensile strength was not significantly affected. For using the vegetable oils, we found that abrasion resistance and rebound resilience were better than those of aromatic oil, and also displayed high hardness. It could be concluded that the vegetable oils were better alternative processing aids compared to aromatic oil, which has been reported as carcinogenic.

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Section: Introductionmentioning

confidence: 99%

Effect of Vegetable Oils as Processing Aids in SBR Compounds

Pechurai

Chiangta

Tharuen

2015

Macromolecular Symposia

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“…The curing properties based on t 40 (scorch time) Materials AO TDAE PO EPO SBR 100 100 100 100 Carbon black 50 50 50 50 Stearic acid 1 1 International Journal of Polymer Science and t 90 (cure time) of different oil-filled elastomer are shown in Figure 1(b). The scorch and cure times of the elastomer composites with PO and EPO are shorter than those of other elastomer composites, because the epoxy group is able to form active vulcanizing agents [20] in Figure 1(b). A comparison of torque in the elastomer composites with different oils is showed in Figure 1(c).…”

Section: Resultsmentioning

confidence: 99%

Investigation of Epoxidized Palm Oils as Green Processing Aids and Activators in Rubber Composites

Lee

Song

2019

International Journal of Polymer Science

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Epoxidized palm oil (EPO) is environmentally friendly, biodegradable, and a relatively less costly processing aid. In this study, we investigated the suitability of EPO in place of aromatic processing oils in styrene butadiene rubber. The curing properties, mechanical properties, abrasion resistance, and heat buildup properties of rubber composites with EPO were compared with those of the standard with aromatic oils. The rubber composites with EPO showed enhanced mechanical properties including modulus, tensile strength, and elongation at break. This is ascribed to the improved dispersion of fillers in the rubber matrix and interaction between the filler and the polymer. Furthermore, EPO in the rubber matrix showed remarkable abrasion resistance, rebound resilience, and heat buildup at low loadings. EPO in a rubber composite presents feasibility as a renewable raw material that can serve as an alternative to petrochemical oils in various applications.

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“…Menurut Chandrasekara et al (2011) expoxidized palm oil (EPO), dan epoxidized sunflower oil (ESFO) sebagai bahan pelunak lebih baik dari minyak aromatik berbasis minyak bumi. Penggunaan minyak nabati sebagai peptizer untuk menurunkan viskositas karet agar mudah menerima ingredient sehingga bahan yang ditambahkan dapat terdispersi dengan merata pada seluruh matriks polimer.…”

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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Epoxidized vegetable oils as processing aids and activators in carbon-black filled natural rubber compounds

Cited by 42 publications

References 16 publications

Effect of Vegetable Oils as Processing Aids in SBR Compounds

Effect of Vegetable Oils as Processing Aids in SBR Compounds

Investigation of Epoxidized Palm Oils as Green Processing Aids and Activators in Rubber Composites

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

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