Use of rice-bran oil in the compounding of styrene butadiene rubber

Kuriakose, A. P.; Rajendran, Gokul

doi:10.1007/bf01184570

Cited by 18 publications

(14 citation statements)

References 9 publications

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“…Although NA vulcanizate gives slightly lower tensile properties compared to commercial antioxidant, it still exhibits a reasonable tensile values due to NR which is capable of strain‐induced crystallization. This result is also supported by Kuriakose and Rajendran 17. Extracted phenol from husk as an antioxidant in vulcanization study of NR gives antioxidant protection to the rubber comparably to a commercial antioxidant.…”

Section: Resultssupporting

confidence: 67%

“…The result shows that NR vulcanizate with NAs exhibits the highest tear strength compared to control and other two commercial antioxidants, TMQ and BHT. Kuriakose and Rajendran17 also observed that higher tear strength for rubber vulcanizate with NA contains phenols obtained from husk compared to other commercial antioxidants.…”

Section: Resultsmentioning

confidence: 90%

“…It is evident that the addition of NA extracted from oil palm leave has no adverse effect on the cure characteristics where the cure values obtained are comparable to those of control, BHT, and TMQ vulcanizates. Kuriakose and Rajendran17 also conducted similar research by extracting phenol from rice husk. They reported that the rice bran oil can be used as a substitute for antioxidant in rubber compounding due the presence of natural phenols and rice bran oil does not affect much the cure characteristic in both carbon black and silica filled systems.…”

Section: Resultsmentioning

confidence: 97%

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Comparative study on natural antioxidant as an aging retardant for natural rubber vulcanizates

Komethi

Othman

Ismail

et al. 2011

J of Applied Polymer Sci

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ABSTRACT:The research aim is mainly to investigate the effectiveness of natural antioxidant (NA) obtained from oil palm leaves (Elaeis guineensis) as an aging retardant in natural rubber (NR) vulcanizates. Comparison of NA with other commercial antioxidants, trimethyl quinoline (TMQ) and butylated hydroxy toluene (BHT), is investigated. The effect of natural and commercial antioxidants on NR vulcanizates was explored before and after aging. Aging test was carried out at 70 C for three different periods, 4, 7, and 14 days to determine aging property by performing the tensile and tear tests. NA shows lower tensile properties, crosslink density, tack strength but high tear strength compared to the commercial antioxidants, BHT and TMQ. However, upon aging NR vulcanizates with NA retains its properties equivalent to that of commercial antioxidants, BHT and TMQ. Thus, NA can be used as an aging retardant for short-term protection in application requiring moderate tensile properties and can be used as alternative source for commercial antioxidant.

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Section: Resultssupporting

confidence: 67%

Section: Resultsmentioning

confidence: 90%

Section: Resultsmentioning

confidence: 97%

See 1 more Smart Citation

Comparative study on natural antioxidant as an aging retardant for natural rubber vulcanizates

Komethi

Othman

Ismail

et al. 2011

J of Applied Polymer Sci

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“…[20,21] Use of multifunctional ingredients from sustainable sources is an alternative strategy for rubber compound to reduce complexity. [22][23][24] Ash produced from Euphorbia caducifolia Haines shows multifunctional behavior in chlorobutyl rubber-based inner-tube truck compounds. [25] Herein, in this research, we have reported the potential of WNS ash obtained at 550 C as a cure retardercum-accelerator in BIIR and comparing its behavior against commercially available MgO in a tire inner liner compound.…”

Section: S C H E M Ementioning

confidence: 99%

Walnut shell ash as a sustainable material for compounding with bromobutyl rubber for tire inner liner applications

Chundawat¹,

Parmar²,

Deuri³

et al. 2020

Polymer Composites

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This paper reports walnut shell ash (WNS ash) a sustainable material for tubeless inner liner application. This sustainable material replaced the commercial magnesium oxide (MgO).The WNS ash generated at 550 C, is found to have 72% alkali metal and alkali earth metal, whereas commercial MgO shows 95% alkali metal and alkali earth metal. It was observed in this study WNS ash perform as cure retarder in bromobutyl rubber/bromo isobutylene isoprene rubber-based tube less inner liner compound and its performance was similar with commercial MgO; however, not exactly equivalent. Optimum cure retardation found at 0.40 phr loading with WNS ash. Interestingly, due to sulfur (S) and zinc (Zn), the WNS ash produced some cure activation effect. Cure rate was observed for 0.40 phr WNS ash load in gum/filled formulations at 35/15 minutes −1 compared to 30/10 minutes −1 in commercial MgO at 0.30 phr. Physical properties of compound made with 0.40 phr WNS ash and 0.30 phr MgO found comparable in both gum and filled system. Alkali metal and alkali earth metal of WNS ash at 0.40 phr loading is equivalent to 0.30 phr of MgO. This material is an important gateway in the rubber industry as a multifunction sustainable material.

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“…It is also reported that RBO has excellent compatibility with fluorocarbon rubbers and the oil gives good extrusion moldability to the compound 7. This oil was also tried as a multipurpose compounding ingredient in nonpolar and polar rubbers like styrene butadiene (SBR), nitrile (NBR), and polychloroprene (CR) in this laboratory 8, 9…”

Section: Introductionmentioning

confidence: 99%

Use of rice bran oil and epoxidized rice bran oil in carbon black–filled natural rubber–polychloroprene blends

Kuriakose

Varghese

2003

J of Applied Polymer Sci

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ABSTRACT:In the present study we report the results obtained on the use of rice bran oil (RBO), a naturally occurring nontoxic oil, and its epoxidized variety (epoxidized RBO, or ERBO) in the compounding and vulcanization of different natural rubber-chloroprene rubber (NR-CR) blends. The processability, cure characteristics, and physical properties of the blends prepared with these oils were compared with those of control mixes prepared with aromatic oil. The optimum cure time and scorch time values of the different blends prepared with these oils were found to be lower than those of the respective control blends prepared with aromatic oil. Evaluation of physical properties of the different experimental blends showed that replacement of aromatic oil with these oils did not adversely affect their physical properties. Because RBO contains a good amount of free fatty acids it was tried as a coactivator in addition to its role as a processing aid. The level of these oils required for the blend preparation was optimized in a Brabender plasticorder. Physical properties such as tensile strength, elongation at break, tear strength, swelling index, and abrasion loss, for example, were evaluated for both experimental and control mixes. Comparison of cure characteristics and physical properties of the blends prepared with aromatic oil and with these oils showed that these oils could be used in place of aromatic oil in the above blends. It is also to be noted that aromatic oil is of petroleum origin and is reported to be carcinogenic.

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Use of rice-bran oil in the compounding of styrene butadiene rubber

Cited by 18 publications

References 9 publications

Comparative study on natural antioxidant as an aging retardant for natural rubber vulcanizates

Comparative study on natural antioxidant as an aging retardant for natural rubber vulcanizates

Walnut shell ash as a sustainable material for compounding with bromobutyl rubber for tire inner liner applications

Use of rice bran oil and epoxidized rice bran oil in carbon black–filled natural rubber–polychloroprene blends

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