The morphology and property of ultra‐fine full‐vulcanized acrylonitrile butadiene rubber particles/EPDM blends

Zhang, Liqun; Li, Tie; Lu, Yonglai; Tang, Yuanwang; Qiao, Jinliang; Tian, Ming

doi:10.1002/app.23202

Cited by 12 publications

(8 citation statements)

References 16 publications

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“…Possible explanation for the initial increase of tensile strength is given by reinforcing effect of fine, hard ACMP. The capability of ultra fine rubber powder to enhance the strength of rubber vulcanizate has also been reported elsewhere [14]. At higher loadings, the combined effects of poor interfacial adhesion and reduced crosslink density become more pronounced and override the reinforcing effect.…”

Section: Mechanical Propertiessupporting

confidence: 53%

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Properties of Natural Rubber Filled with Ultra Fine Acrylate Rubber Powder

Sae‐Oui

Sirisinha

Hatthapanit

2010

Journal of Elastomers & Plastics

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Properties of natural rubber (NR) filled with various loadings of ultra-fine vulcanized acrylate rubber powder (ACMP) were investigated. ACMP loading was varied from 0 to 20 phr and, after compounding, the compound properties were determined. Results reveal that increasing ACMP loading leads to improved processability, as evidenced by the reduction of both mixing energy and Mooney viscosity. ACMP, however, has negative effect on cure, that is, both scorch time and optimum cure time are prolonged while the state of cure is reduced with increasing ACMP loading. Due to the reinforcing effect of the fine ACMP particles, both modulus and hardness are found to increase consecutively with increasing ACMP loading. The tensile strength is also found to improve with increasing ACMP loading up to 10 phr. However, due to the cure retardation effect and the high thermoplastic nature, the presence of ACMP causes deterioration of elasticity. As ACMP is highly polar and fully saturated, the addition of ACMP enhances the resistance to oil and thermal aging of the

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Section: Mechanical Propertiessupporting

confidence: 53%

“…Surprisingly, little attention is given to the application of UFRP in rubber field. So far, only the influence of UFRP on properties of ethylene propylene diene rubber (EPDM) has been reported [14]. It is therefore the aim of the present study to investigate the effect of UFRP based on acrylate rubber, namely ACMP, on properties of NR.…”

Section: Introductionmentioning

confidence: 98%

Properties of Natural Rubber Filled with Ultra Fine Acrylate Rubber Powder

Sae‐Oui

Sirisinha

Hatthapanit

2010

Journal of Elastomers & Plastics

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“…Usually, TPVs exhibit non‐Newtonian viscosity and the molten TPVs behave like the particle filled polymer melts. Experiments have also been carried out to characterize the morphology of TPVs based on the different rubber–plastic blends 21–24…”

Section: Introductionmentioning

confidence: 99%

Rheological, mechanical and morphological properties of thermoplastic vulcanizates based on high impact polystyrene and styrene‐butadiene rubber

Wang

Zhao

Zhao³

et al. 2010

J of Applied Polymer Sci

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Thermoplastic vulcanizates (TPVs) based on high impact polystyrene (HIPS)/styrene-butadiene rubber (SBR) blends were prepared by dynamic vulcanization technique. The rheological, mechanical and morphological properties of the dynamically vulcanized blends were investigated systematically. As determined by capillary rheometer, the apparent viscosity of the blends decreases as the shear rate increases, indicating obvious pseudoplastic behavior. At low shear rate, the apparent viscosity of these blends is considerably higher than that of neat HIPS and decreases with the increase of HIPS concentration. The increase of HIPS content in the dynamically vulcanized blends contributes to the increase of tensile strength and hardness properties, while elongation at break and tensile set at break reach a maximum at 30 and 50 wt % of the HIPS content, respectively. The etched surfaces of the HIPS/SBR TPVs were investigated using field-emission scanning electron microscopy, the morphological study reveals continuous HIPS phase and finely dispersed SBR elastomeric phase in the TPVs.

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“…Fillers are considered to improve the phase morphology reducing the zone size of the incompatible blends [14]. According to Zhang et al [15], the thermodynamic compatibility of several binary blends are further improved by certain inorganic fillers. In order to fulfill the main objectives, the addition of fillers to the polymeric system should satisfy certain requirements such as low cost, low specific gravity, heat stability, neutrality, and easy availability.…”

Section: Introductionmentioning

confidence: 99%

Effect of Silica on Uncompatibilized and Compatibilized Styrene Butadiene Rubber and Nitrile Rubber Blends

Ramesan

2011

International Journal of Polymeric Materials

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The present paper investigates the interaction of silica filler in uncompatibilized and compatibilized styrene butadiene rubber=nitrile rubber (SBR=NBR) blends of varying compositions. The use of a dynamic mechanical analyzer as a tool for confirming the compatibility by the addition of dichlorocarbene modified styrene butadiene rubber (DCSBR) in these blends has been described. The addition of silica in uncompatibilized as well as compatibilized blends has been found to be increasing the rheometric-processing characteristics such as maximum viscosity and rate of cure. The magnitude of these values has been found to be higher for compatibilized blends and for 50=50 composition. The optimum cure time has been found to be decreasing with silica loading regardless of the presence of the compatibilizer. The magnitude of optimum cure time has been found to be higher for uncompatibilized system and for the composition with higher SBR content. Enhancement in mechanical properties with the addition of silica has been observed for compatibilized blends, more intensely than uncompatibilized samples. A good correlation between mechanical properties and solvent sorption behavior has also been observed.

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The morphology and property of ultra‐fine full‐vulcanized acrylonitrile butadiene rubber particles/EPDM blends

Cited by 12 publications

References 16 publications

Properties of Natural Rubber Filled with Ultra Fine Acrylate Rubber Powder

Properties of Natural Rubber Filled with Ultra Fine Acrylate Rubber Powder

Rheological, mechanical and morphological properties of thermoplastic vulcanizates based on high impact polystyrene and styrene‐butadiene rubber

Effect of Silica on Uncompatibilized and Compatibilized Styrene Butadiene Rubber and Nitrile Rubber Blends

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