Ternary NR/BR/SBR rubber blend nanocomposites

Jovanović, Slaviša; Samaržija‐Jovanović, Suzana; Marković, Gordana; Jovanović, Vojislav; Adamović, Tijana; Marinović‐Cincović, Milena

doi:10.1177/0892705717697778

Cited by 39 publications

(29 citation statements)

References 36 publications

(35 reference statements)

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“…The samples have been prepared as described elsewhere [13]. In all rubber blend compounds, the NR/BR rubber mas ratio was 1:1, but SBR rubber content was variable 0-80 mass%.…”

Section: Sample Preparationmentioning

confidence: 99%

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Elastomers based on NR/BR/SBR ternary rubber blend: Morphological, mechanical and thermal properties

Jovanović¹,

Jovanović

Marković³

et al. 2019

CI&CEQ

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The elastomeric materials based on NR/BR/SBR ternary rubber blend were investigated. The polyisoprene (NR), butadiene (BR) and styrene butadiene (SBR) rubbers were used as network precursors and carbon black (CB) as an active filler (60 phr) for elastomeric materials preparation. For sample preparation, the mass ratio of NR to BR was constant, 1:1, but the SBR content was varied from 0 to 80 phr. The morphological, mechanical and thermal properties of prepared elastomeric materials were determined using scanning electron microscopy (SEM), mechanical tensile measurements and thermogravimetric analysis (TGA). Mechanical properties were assessed before and after thermooxidative aging during 168 h at 100 °C. The values of tensile strength, elongation at break, and hardness decrease up to 40 phr of SBR content and after that are increasing, but abrasion resistance of ternary rubber blends increases. Тhe thermal decomposition temperature obviously shifted to a higher temperature for the sample with 40 phr of SBR.

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“…The samples have been prepared as described elsewhere [13]. In all rubber blend compounds, the NR/BR rubber mas ratio was 1:1, but SBR rubber content was variable 0-80 mass%.…”

Section: Sample Preparationmentioning

confidence: 99%

“…The cure rate index (CRI) is determined according to the equation presented elsewhere [13]. The rheological properties were determined according to literature [12].…”

Section: Curing Characteristics Determinationmentioning

confidence: 99%

Elastomers based on NR/BR/SBR ternary rubber blend: Morphological, mechanical and thermal properties

Jovanović¹,

Jovanović

Marković³

et al. 2019

CI&CEQ

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“…1 -4 There are key parameters that have significant influences on the final properties of a compound such as individual properties of each rubber constituent, blend ratio, dispersion of each component and its molecular interaction with the other constituent, mixing method, and processing condition. 1,5,6…”

Section: Introductionmentioning

confidence: 99%

“…3,8 Notwithstanding, NR is poor in many important properties such as compression set, gas permeability, oil and ozone resistance, and thermal aging resistance. 6,10 NR is inexpensive compared to NBR making a blend of NBR with NR an option to reduce the cost of the rubber products where NBR’s properties are needed. 11…”

Section: Introductionmentioning

confidence: 99%

A comparative study on mechanical and rheological properties of ternary rubber blends

Abdelsalam

Araby

El‐Sabbagh

et al. 2020

Polymers and Polymer Composites

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Polymer blends lead to producing a new class of plastics, which may have better properties than being individual. In this study, the ternary blends of natural rubber (NR)/styrene-butadiene rubber (SBR)/nitrile rubber (NBR) were prepared via melt compounding, and then the physicomechanical properties of ternary NR/SBR/NBR blends were investigated. NR content was kept constant at 30 phr, while SBR and NBR fractions were varied simultaneously. The effect of the addition of 3 phr of ultrablend 4000 as compatibilizer on the compatibility of the rubber blends was studied. The results revealed that the use of the compatibilizer has significantly resulted in the clear stability of the scorch time and the optimum cure time of the blends. Tensile strength; stress at 100%, 200%, and 300% elongations; elongation at break %; compression strength; and compression set increase with the NBR content. There was a dramatic rise in the value of swelling ratio with the decrease of NBR. Moreover, the dynamic mechanical analysis showed some shifts in glass transition temperatures for blends to higher and lower temperatures as a function of the composition, which indicates the partial miscibility between the contributing components. Scanning electron microscopy of the tear fracture surfaces indicated that incorporation of NBR in the blends resulted in better adhesion of ternary blends and improved the tensile properties of ternary blends.

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“…13 A significant amount of work is done on blend compositions of PBR/natural rubber (NR), PBR/SR, PBR/polyisoprene, PBR/polychloroprene, NR/PBR/SBR blends that discussed various enabling properties. [14][15][16][17][18] However, very little work is reported on relaxation behavior (creep) vis-à-vis processability of PBR blends. Wang et al 19 studied immiscible PBR/trans-1,4-polyisoprene (TPI) blends where PBR domains were entrapped in the rigid TPI crystalline phase and hence gave better creep properties.…”

Section: Introductionmentioning

confidence: 99%

Study of relaxation behavior and processability of polybutadiene rubber composition

Nandi¹,

Subbaiah²,

Manchana³

et al. 2019

Journal of Elastomers & Plastics

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In this work, nickel-catalyzed high- cis 1,4-polybutadiene rubbers (PBR) with different molecular weight, molecular weight distribution, and Mooney relaxation time have been solution blended at different ratios and their rheological, thermal, and physical properties were characterized. PBR blend compositions showed similar processability as pristine rubber grades at higher temperature, but their Mooney relaxation time and rheological branching index (BI) are distinctly different from both pristine PBR grades at low temperature. In addition, Mooney relaxation time and BI of the blends were found to be independent of blend compositions; however, glass transition temperature ( Tg), cis%, volatile% of the compositions remain similar to the raw rubbers.

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Ternary NR/BR/SBR rubber blend nanocomposites

Cited by 39 publications

References 36 publications

Elastomers based on NR/BR/SBR ternary rubber blend: Morphological, mechanical and thermal properties

Elastomers based on NR/BR/SBR ternary rubber blend: Morphological, mechanical and thermal properties

A comparative study on mechanical and rheological properties of ternary rubber blends

Study of relaxation behavior and processability of polybutadiene rubber composition

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