Banbury Mixer Research Articles

Simulation of Non-Isothermal Flow of Rubber in Banbury Mixer Using Computational Fluid Dynamics

Simulation of Non-Isothermal Flow of Rubber in Banbury Mixer Using Computational Fluid Dynamics

Comparison of nanocomposite dispersion and distribution for several melt mixers

Breakup (dispersion) and distribution of nanoparticles are the chief hurdles towards taking advantage of nanoparticles in polymer nanocomposites for reinforcement, flame retardancy, conductivity, chromaticity, and other properties. Microscopy is often used to quantify mixing, but it has a limited field of view, does not average over bulk samples, and fails to address nano-particle hierarchical structures. Ultra-small-angle X-ray scattering (USAXS) can provide a macroscopic statistical average of nanoscale dispersion (breakup) and emergent hierarchical structure, as well as the distribution on the nanoscale. This work compares several common mixer geometries for carbon black-polystyrene nanocomposites. Two twin-screw extruder geometries, typical for industrial processing of melt blends, are compared with a laboratory-scale single screw extruder and a Banbury mixer. It is found that for a given mixer, nanoscale distribution increases following a van der Waals function using accumulated strain as an analogue for temperature while macroscopic distribution/dispersion, using microscopy, does not follow this dependency. Breakup and aggregation in dispersive mixing follow expected behavior on the nanoscale. Across these drastically different mixing geometries an unexpected dependency is observed for nanoscale distributive mixing (both nano and macroscopic) as a function of accumulated strain that may reflect a transition from distributive turbulent to dispersive laminar mixing as the mixing gap is reduced.

Preparation and Properties of Biodegradable Shape Memory Polylactic Acid/Poly(ε‐caprolactone) Blends under Volume Elongational Deformation

AbstractIn this work, a novel eccentric rotor mixer (ERM), which can generate circulating volume elongational deformation, is employed to prepare biodegradable polylactic acid (PLA)/poly(ε‐caprolactone) (PCL) thermo‐responsive shape‐memory blends without a compatibilizer. The results of scanning electron microscopy (SEM) show that the ERM has more efficient dispersion and compatibilization for blends than conventional Banbury mixers, which is beneficial for shape‐memory performance. The results of Fourier transform infrared (FTIR) and differential scanning calorimetry (DSC) also confirm the consequences. Then, morphological and mechanical properties and shape memory behaviors of the blends are investigated in detail. Co‐continuous morphology is found on EF‐PLA50. The blends exhibit remarkable shape‐memory performance. The bending shape fixing ratio and recovery ratio of the blends are more than 94% and are still more than 90% after five shape memory cycles. With the increase of PLA content, the shape fixing ratio of blends decreases, while the shape recovery ratio increases and the shape recovery time becomes shorter. All the blends show good mechanical properties.

Manufacturing of nano-enhanced shape stabilized phase change materials with montmorillonite by Banbury oval rotor mixer for buildings applications

The use of adequate thermal energy storage (TES) systems has shown the potential to increase energy efficiency in many fields, such as the building sector. Shape-stabilized phase change materials (SS-PCMs) have attracted attention to address one of the key barriers of phase change materials (PCMs), the leakage during the liquid state, that nowadays limits its applicability. However, SS-PCMs still have drawbacks to overcome, such as poor fire reaction and thermal stability. In the present study, polymeric SS-PCMs are nano-enhanced with layered silicates to overcome these drawbacks. The new shape-stabilized nano-enhanced phase change material (SS-NEPCM) is based on ethylene propylene diene monomer (EPDM) as a polymeric matrix, palmitic acid (PA) as PCM and montmorillonite (MMT) as the layered silicate. An innovative method based on a Banbury mixer was used to prepare it, which is an industrially scalable fabrication method. To evaluate the effect of each component, eight different formulations were prepared: pure EPDM, EPDM with MMT additions (1 wt%, 3 wt% and 5 wt%), EPDM with PA additions (5 wt% and 10 wt%) and EPDM with MMT (3 wt%) and PA additions (5 wt% and 10 wt%). The composite materials obtained were not degraded by processing as FT-IR results show. The results obtained by X-ray diffraction showed that an ordered intercalated morphology is formed between EPDM chains and MMT. Thermogravimetric experimental results revealed an increase in the thermal stability of SS-NEPCM as a result of the barrier effect provided by MMT. Moreover, SS-NEPCM fire resistance was improved with a great reduction or avoidance of the dripping phenomenon.

A Plant Simulation approach for optimal resource utilization: A case study in the tire manufacturing industry

In this study, the resource allocation and vital manufacturing processes in the tire manufacturing industry was comprehensively optimized. The paper deals in detail with the Banbury mixing process, which produces homogeneous rubber materials for tire components. In addition, the mixing process models were established by the Plant Simulation software to validate and compare scenarios and experiments with realistic production constraints. Discrete empirical distribution (dEmp) was proposed for population data. Various scenarios were created for different resource and process. Experiments were set as different group of compound set. Experiment manager was used as a tool to set up scenarios and the experiments to provide alternative results. The study results display the production time and machine utilization. The shortest production time of experiment results represents the best group of each scenario. As results, the scenario, which BB1 is changed from non-productive Banbury mixer to special Banbury mixer along with the normal process is combined with second special process, provides the suitable production volume which can reduce of total production time for 8.06 %. Our study provides a variety of the resource utilization of a Banbury mixing process and suggests an efficient optimization method for production performance improvement.

Screening of mixing parameters based on their significance on the extent of silanization and energy consumption of silica‐filled S‐SBR elastomer compounds for fuel‐saving tyre application

AbstractIncreasingly stringent in demand for a fuel‐saving tyre with low rolling resistance, the application of silica filler is governing the tyre industry day by day. Unlike carbon black filled rubber compound, silica compound is rather complicated as it demands, a reactive mixing where, mixing parameters of internal mixer play a vital role in the degree of silanization reaction. In this paper, a design of experiments (DOE) is carried out to screen the factors that significantly affect the silanization reaction during mixing. Taguchi method with L18 orthogonal array is employed to determine the significance of mixing parameters on the degree of silanization reaction. To quantify the significance of each mixing parameter on silanization, such as mixing temperature, mixing time, fill factor, feed door condition, ram pressure, and temperature control unit of Banbury mixer are explored. Key properties like Tan δ at 60°C, reinforcement index, and Payne effect (∆G') are considered responses for the DOE. It was observed that the silanization temperature and time were the most influencing factor in silanization using the contribution plot. In contrast, ram pressure and feed door condition have the least significance on the degree of silanization.

Properties and thermal neutron areal transmittance of a B4C filled thermoplastic elastomer based rubber composite

In this paper, a kind of flexible shield for thermal neutron is fabricated through blending functional B4C powder with thermoplastic elastomer polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene(SEBS) in a banbury mixer, and weight fractions[(MB4C: MSEBS)%] of the composites are prepared as 10%, 20%, 30%, 40%, 60%, 100% respectively. B4C powders are well dispersed in the matrix of SEBS through microscopic observation, even without chemical interaction between the chemical groups of SEBS and the fillers. The elongations at break and tensile strengths of the B4C/SEBS composites deteriorate rapidly compared with the virgin sample, but it seems the tensile and tear strength could still maintain a satisfactory value suitable for preparing super flexible shields. The hardness of the composites is in the range of 15–25 HA. Based on a self developed nondestructive testing device, shielding abilities of the samples are estimated by neutron transmittance, 10B areal density, linear attenuation coefficient, and thickness of half value layer. The neutron transmittance is 71.31%–32.43% corresponding to 10B areal density ranging from 2.1873 mg/cm2 to 17.6314 mg/cm2, linear attenuation coefficient is 0.1932–0.6435 mm−1, and half value layer value is 3.59–1.08 mm. It is also proved that the neutron transmittance measured shows an exponential attenuation with the increase of 10B areal density. The most importantly, the areal uniformity of neutron transmittance, with standard deviation less than 0.76%, is validated for the achievement of excellent attenuation of thermal neutrons in all directions. Consequently, results show excellent flexible and shielding performances of the functional composites.

Characterization of Glycerol and Aloe Vera as Plasticizer in Polyethylene/Starch-Based Film

The combination of starch (S) and polyethylene (PE) increased the mechanical properties of starch and improved the degradation ability of PE. However, the polyethylene-starch (PE-S) combination has inconsistent mechanical properties performance. Therefore, the objective of this paper was to investigate the PE-S-based film’s characterization changes and mechanical properties performance upon the addition of different types and formulations of a plasticizer; 30% glycerol, 30% aloe Vera (AV) gel, or a combination of 30% glycerol with 1% AV powder. First, a Banbury mixer was applied to prepare the resin, followed by a hot-pressed technique to obtain a thin film. Glycerol acted as a plasticizer disturbed the functional group appearance of PE-S-based film. Thus, it reduced the tensile strength and elongation at break performance, including increased the water absorption of the film. The results also revealed that an apparent agglomeration of starch appeared in PE-S film upon adding 30% AV gel at once, showing the most deficient mechanical properties with the highest water absorption occurred. Surprisingly, the combination of 30% glycerol with 1% AV powder suggests 1% AV powder acted as a crosslinker between starch and glycerol because the tensile strength increases by 49% compared to PE-S with 30% glycerol only. Furthermore, the crystallinity percentage of PE-S film reduced upon adding other materials from 54.04% to between 39.90% until 43.93%. In conclusion, the type and percentage of AV played an essential role in PE-S film, either acting as a plasticizer or a crosslinker.

Lab-Scale Twin-Screw Micro-Compounders as a New Rubber-Mixing Tool: 'A Comparison on EPDM/Carbon Black and EPDM/Silica Composites'.

The research and development (R&D) in rubber formulation development require reproducible, repeatable, fast, accurate, and efficient sample preparation. The lab-scale formulation development is conventionally carried out using small-scale internal mixers and two-roll mills. However, high torque laboratory twin-screw micro-compounder, which have been serving the plastic industry for more than 30 years, can be used to formulate new rubber compounds for fast and accurate sample preparation that on top can contribute to the economics of R&D. In this study, we investigated the possibility of using lab-scale 15 mL high torque twin-screw micro-compounder as a tool for new rubber compound development. For this purpose, we formulated EPDM/carbon black and EPDM/silica recipes through conventional way using a Banbury mixer followed by a two-roll mill, and through the possible way using a lab-scale 15 mL twin-screw micro-compounder. We crosslinked both systems via hot press at a predefined temperature and time. The rheological and mechanical properties of the compounds were investigated. Moreover, the dispersion of carbon black and silica in the EPDM matrix was judged by DisperGrader and scanning electron microscope (SEM). The conventional way of sample preparation was compared with a possible sample preparation method based on materials’ parameters and ease of operation.

Performance of ethylene vinyl acetate waste (EVA-w) when incorporated into expanded EVA foam for footwear

Ethylene vinyl acetate copolymer blends (EVA-B), with vinyl acetate set at 19 % and 28 % by weight (wt%), were mixed with EVA waste (EVA-w), (a reticulated and micronized ethylene vinyl acetate copolymer) from injection branches and defective midsoles. The EVA-B/EVA-w composites were prepared with 15, 25, and 35 per hundred rubber (phr) EVA-w using a Banbury mixer to mix all components. Afterwards, the mixture was submitted to compression molding to obtain expanded EVA-B/EVA-w composite plates. A standard compound, provided by a Brazilian footwear industry (EVA-ref), was used as reference for thermal and mechanical property comparisons. During the thermal analysis, when increasing the EVA-w content, a delay in the deacetylation of the EVA-B composites in relation to the EVA-ref was observed. There was also an increase in the maximum degradation rate temperature and a reduction in loss of mass in the first decomposition event. In the second event, the maximum temperature did not vary in the composites with EVA-w added as compared to the EVA-ref. The residue content increased at 600 °C, indicating that EVA-w acts as a filler for EVA-B. The mechanical properties evaluated were hardness, tension at break, elongation at break, tear strength, compression set, and shrinkage. Addition of EVA-w to the composites (comparing 15 phr–35 phr) increased tear strength properties by 4 %, (EVA-w acts as a nucleation cell agent, increasing the EVA foam cell density). However, shrinkage increased by roughly 35 % above the specifications for footwear applications. Hardness increased by 5 %, tensile strength increased by 10 %, and elongation at break decreased by roughly 4 %. The compression set property increased by nearly 5 % with the EVA-w content (due to decreasing matrix elongation). Thus, EVA-w acts as a reinforcement filler for EVA-B. A statistical study based on composite performance indices for the mechanical properties, and a cost analysis was performed. Except for the average linear shrinkage (35 phr EVA-w composite), all other studied composites met the mechanical property specifications for sports shoe midsoles. The best combination for process performance and cost analysis was for the EVA-w composite at 25 phr.

ETİLEN PROPİLEN DİEN MONOMER (EPDM) KAUÇUK KARIŞIMININ SENTEZİ VE KARAKTERİZASYONU

Rubbers have a wide range of usage in polymeric materials since materials with a wide variety of mechanical properties can be obtained by varying the type or addition rates of the materials contained in the rubber in addition to the important properties such as high elasticity, good abrasion resistance, and low deformation. High-performance properties of the material are provided by cross-linking (vulcanization). Raw rubbers do not contain cross-links. In this study, it was aimed to examine the changes that may occur in the mechanical properties of the newly prepared EPDM rubber by changing the composition of the available Ethylene Propylene Diene Monomer (EPDM) rubber. For this purpose, a new rubber mixture, of which composition had been previously known and which was developed in this study, was prepared in two different Banbury mixers (tangential and intermeshing types), and both samples were subjected to mechanical and rheological analyses. The most important criteria in mechanical properties are tensile strength and elongation at break. As these properties increase, the final product becomes more durable. When tensile strength and elongation at break of the EPDM rubber prepared according to the new formulation were compared with the available EPDM rubber, a significant increase was observed in these two values in the EPDM rubber sample prepared with the new formula. In conclusion, it was shown with the characterization analyses that the newly developed modified EPDM rubber can be used in the rubber industry.

Mass Production of Nanocomposites Using Electrospinning

Many conventional polymer processing technologies for compounding micro-/nanocomposites are known in the field. These methods include the direct use of high shear mixers, roll mixers, Banbury mixers, and extruders. With recent interest in advanced composites with nanoscale fillers, efforts have been made to enhance conventional processing technologies as the imposed input energy is often ineffective at breaching the energy barrier to breakup agglomerated nanofiller structures. Electrospinning is a simple, inexpensive process that can be used to produce continuous fibers from submicron to nanometer diameter scale through an electrically charged polymer jet. In this paper, authors present a rotary electrospinning method developed to produce nanocomposites at mass scale by using simultaneously mechanical and electrical forces with a proprietary apparatus. A case study using silica nanoparticles and silicone rubber matrix is presented to demonstrate the capability of the above method of dispersing nanoparticles in highly viscous polymer matrix materials.

Utilization of chrome-tanned leather wastes in natural rubber and styrene-butadiene rubber blends

Nowadays, the amount of chrome-tanned leather scraps from the leather industry is increasing rapidly due to diminishing interest in their utility in related areas. These kinds of wastes cause considerable negative, environmental effects, and therefore, producers should find new methods of recycling and/or disposal. It is speculated that leather scraps may be a valuable additive in rubber-based materials thanks to their similar elastic properties. In this study, chrome-tanned leather wastes have been incorporated into natural rubber and styrene-butadiene rubber and their blends in various ratios by using a Banbury mixer and two-roll mill, subsequently. Effects of the wastes on rheological, thermal, mechanical, aging, and morphological properties of the blends were investigated. Different penetration ability and distinct cure rates of the two rubbers caused interesting rheological characteristics. Original mechanical properties of styrene-butadiene rubber and its blends were retained after waste incorporation. Furthermore, thermal aging resistance of natural rubber matrix could be improved. The most significant effect of leather particles is the enhancement of the tear strength of all the vulcanizates by shifting the tear mechanism towards the tortuous fracture pathway.

Investigating Effect of Chrome Tanned Leather Scraps in Ethylene Propylene Diene Monomer Rubber

Nowadays, amount of chrome tanned leather scraps (CTL) of leather industry is increasing rapidly due to decreasing interest on CTL utilization in related areas. These kind of wastes cause considerable negative environmental effects and therefore CTL producers should find new recycling and/or disposing routes for them. It is speculated that CTL may be a valuable additive in rubber based materials thanks to its similar bending properties. In this study, it is aimed to evaluate rheological, thermal, mechanical, morphological, and aging properties of CTL loaded EPDM based rubber compounds. CTL wastes are incorporated into EPDM in various ratios by using a banbury mixer and two roll mill, subsequently. Rheological measurements show that CTL incorporation does not cause considerable losses in compound properties. Higher glass transition temperatures of CTL containing composites are attributed to restricted chain mobility of EPDM in the composites. Cheap CTL incorporation significantly improves the tear resistance of EPDM before and after thermal aging due to fibrous nature of leather.

Reliability Improvement for TSR Machine of Banburry Mixer using Plant Optimization Process

This paper is presented on project work carried out on critical machine Twin Screw Roller Die which is part of Banbury Mixer. To identify the failures, machine deterioration and reduce change over time, plant optimization technique is implemented to restore equipment to its proper condition as well as proper training was given to operators about the technique The main objective of the paper is to improve key performance indicator by increasing MTBF and decreasing MTTR using Reliability Excellence pillar of plant optimization. Repeated breakdown were identified and analyzed along with critical parts. The root cause of machine part breakdown were identified and analyzed by method of why-why analysis. This turn helped to develop new preventive maintenance checklist for machine. Root cause analysis method is used to prevent failure of equipment before occurs.

Determination of the mechanical, thermal and physical properties of nano-CaCO3 filled high-density polyethylene nanocomposites produced in an industrial scale

The objective of this study is to examine the mechanical, thermal, and physical properties of industrially produced nano-CaCO3 filled high-density polyethylene nanocomposites. For this purpose, 1.0, 3.0, 5.0, 10.0, and 15.0 wt.% loading of nano-CaCO3 filled high-density polyethylene nanocomposites were prepared by the melt mixing method using a compounder system, which consist of industrial banbury mixer, single screw extruder, and granule cutting. The effect of nano-CaCO3 on mechanical, thermal, and physical properties of nano-CaCO3/HDPE nanocomposites was investigated. As a result of all experiments, the tensile strength of nano-CaCO3 filled high-density polyethylene nanocomposite increased about 5% with addition of 1.0 wt.% nano-CaCO3. But did not increase further as more nano-CaCO3 was added. The flexural strength of nano-CaCO3 filled high-density polyethylene nanocomposite increased about 4.5% with addition of 15.0 wt.% nano-CaCO3.Then increased slightly as the nano-CaCO3 content increased to 15.0 wt.%. The tensile and flexural modulus of high-density polyethylene were significantly improved after (from 1.0 wt.% up to 15.0 wt.%) addition of nano-CaCO3. The tensile elongation at break and shore D hardness was consistently decreased with the addition of nano-CaCO3. The nano-CaCO3 filled high-density polyethylene nanocomposites were determined to have lower impact energy level than neat high-density polyethylene. The occurred fracture areas with the impact were detected by scanning electron microscopy examination. It is understood that fracture surface morphology changes when nano-CaCO3 ratio increases. The fracture surface changes were examined to determine the fracture mechanism of nano-CaCO3 filled high-density polyethylene nanocomposites. Density, melting flow index, differential scanning colorimetry, and vicat softening temperature were used to characterize the physical and thermal properties of the nanocomposites. The X-ray diffraction, the fourier transform infrared spectrophotometry, the transmission electron microscopy, and the scanning electron microscopy were used to analyze the structural characteristics of the nanocomposites. It is concluded that the addition of the nano-CaCO3 in high-density polyethylene has significantly influenced the mechanical, thermal, and physical properties of the nanocomposites.

Investigation of mechanical, thermal and surface properties of nanoclay/HDPE nanocomposites produced industrially by melt mixing approach

The main aim of this paper is to introduce mechanical, thermal and surface properties of produced industrially HDPE-based nanocomposites. For this purpose, 1.0, 2.0, 3.0, 4.0 and 5.0 wt.% loading of nanoclay-reinforced HDPE nanocomposites made from the HDPE matrix were prepared by the melt mixing method using a compounder system, which consist of industrial banbury mixer, single screw extruder and granule cutting. The effect of nanoclay on mechanical, thermal and surface properties of nanoclay/HDPE nanocomposites was investigated. The tensile and flexural strength of nanoclay/HDPE nanocomposite increased by about 5% and 7%, respectively, with addition of 1.0 wt.% nanoclay. But then it decreased slightly as the nanoclay content increased to 5.0 wt.%. The tensile modulus and tensile elongation were decreased with the addition of 1.0 wt.% nanoclay, but did not increase further as more nanoclay was added. The flexural modulus of HDPE was significantly improved after (from 1.0 wt.% up to 5.0 wt.%) addition of nanoclay. It was found that the scratch resistance of nanoclay/HDPE nanocomposite improved with addition of the nanoclay by SEM examination. Density, melting flow index (MFI), differential scanning colorimetry (DSC), and vicat softening temperature (VICAT) were used to characterize the physical and thermal properties of the nanocomposites. The X-ray diffraction (XRD), the Fourier transform infrared spectrophotometry (FTIR), and the scanning electron microscopy (SEM) were used to analyze the structural characteristics of the nanocomposites. It is concluded that the addition of the nanoclay in HDPE has significantly influenced the mechanical, thermal, and surface properties of the nanocomposites.

Research on Plasticizing Properties and Mechanism of PVA

Taking glycerol as the plasticizer, through its effect on melting and crystallization of PVA, this paper researches on the plasticizing properties and mechanism of PVA, and provides experimental and theoretical basis for the realization of PVA’s melt processing. Research Methods: Matching samples respectively, mix each sample in an electric high-speed mixer with a mixing temperature of 80 °C. And then, put each sample in a Banbury mixer, mixing for 10 minutes with a rotational speed of 45rm/min. Take out each sample to analyze its characterization and do some tests, including infrared analysis, DSC test, X-ray diffraction test, and rheological curve measurement. Experimental Results: After adding glycerol, there exist two more absorption peaks near the point of 1621cm-1 in the PVA infrared spectrum, and the crystallization peak at 1267cm-1 is decreased gradually. In the DSC chart, when the amount of glycerol increasing to 16.67%, the melting point of PVA is decreased to 212 °C, and its melting range is 191 °C-223 °C. Under this condition, the melting range has been completely separated from the decomposition temperature range. X-ray diffraction shows that glycerol is added no significant effect on the diffraction angle of the PVA, the diffraction peak intensity decreased significantly increases the degree of dispersion. Under the same temperature, with the shear rate increasing, the shear viscosity has a downward trend; as the temperature increases, the shear viscosity and shear stress of the system are gradually decreasing. Conclusion: Glycerol may lower the melting temperature because it can improve the segmental mobility of PVA and reduce the crystalline regions. However, the amount of glycerol should not be too much, or the plasticizing effects will be drastically reduced because of the separation. The research also find that a certain amount of glycerol used alone cannot reduce the decomposition temperature but decrease the melting temperature, which still cannot meet the melt processing conditions. The excessive glycerol can easily be precipitated from PVA, resulting in the product surface being oily and crisp.

The mechanical and fire safety properties of bamboo fiber reinforced polylactide biocomposites fabricated by injection molding

Bamboo fiber was considered a good candidate for the reinforcement of green composites. The applications of bamboo fibers as reinforcements in fabric or structural forms to constitute composites have been widely investigated. This study conducted the process from the bamboo strips to the fibers that were compounded with the polylactide to form the composite pellets for the following injection molding process. Alkali treatment of bamboo fiber at 100℃ for 12 h could properly delignify the bamboo fiber strips, resulting in required bamboo fibers. After compounded with polylactide in a banbury mixer to form composite pellets, the injection molding process was used to make composites with improved mechanical properties, including the tensile strength, tensile modulus, flexural strength, flexural modulus, and impact strength. The reinforced effect of the bamboo fiber on polylactide was quite apparent in our experiments. A simple rule of mixture was used to approximate the tensile strength and modulus of the bamboo fiber/polylactide composite. The fire safety improvement of the biocomposite was also investigated by adding fire retardant.

A new approach to rubber reinforcement

In this paper, we report the highly efficient reinforcement of dynamically cross-linked silane-modified phenol formaldehyde resin (SMPF) in ethylene-propylene diene terpolymer rubber (EPDM). Only 5 phr of SMPF is able to greatly improve the tensile strength of EPDM from 5 MPa to 28 MPa, which is 55% higher than that of EPDM filled with 30 phr of carbon black N330, and it still retains a high elongation of more than 600%. The scanning electron microscopy and X-ray diffraction results reveal the reinforcement mechanism of EPDM. SMPF is uniformly dispersed in the EPDM matrix by a conventional Banbury mixer and is dynamically cross-linked to form a greatly expanded hard phase comprising the interpenetrating polymer networks of EPDM and SMPF during the mixing process, which leads to a high modulus. The high tensile strength is attributed to the strain-induced crystallization of EPDM at high strain according to the X-ray diffraction patterns of the stretched EPDM–SMPF composites. These results reveal the high efficient reinforcement of the thermoset resin in rubber, demonstrate a new mechanism of rubber reinforcement and suggest a new direction for rubber reinforcement.