Morphology and mechanical properties of HDPE/SRP/elastomer composites: effect of elastomer polarity

Li, Yan; Zhang, Yong; Zhang, Yinxi

doi:10.1016/s0142-9418(03)00065-5

Cited by 56 publications

(29 citation statements)

References 31 publications

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“…Optimal covering of GTR by EPDM elastomer depends on the size of rubber particles and on the EPDM/GTR ratio. It is worth mentioning that similar conclusions were drawn in the case of using other non-polar elastomers as modifiers of thermoplastics/GTR composites, e.g., ethylene-octene copolymer (POE) [16] or trans-polyoctylene rubber (TOR) [26]. According to Fig.…”

Section: Microstructuresupporting

confidence: 71%

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Interfacially modified LDPE/GTR composites with non-polar elastomers: From microstructure to macro-behavior

2015

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Section: Microstructuresupporting

confidence: 71%

“…In this regard, Li et al [16] studied HDPE/GTR blends using polar EVA copolymer or non-polar ethylene-octene copolymer (POE) as compatibilizer. Presented results show that POE copolymer has more positive influence on the mechanical properties of blends in comparison to EVA copolymer.…”

Section: Introductionmentioning

confidence: 99%

Interfacially modified LDPE/GTR composites with non-polar elastomers: From microstructure to macro-behavior

2015

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“…The poor adhesion between the phases and the large particle size of the rubber phase facilitate the propagation of cracks and lead to a pronounced decline of the mechanical properties of the blends [13] . In order to improve the properties of blends containing recycled rubbers, some authors devulcanize the rubber phase [3,9,[14][15][16][17][18] , or add functional fillers [19][20][21][22][23][24][25][26][27][28][29][30][31][32][33] . Besides, it is well known that dynamic vulcanization notoriously increases the adhesion and interaction between the phases.…”

Section: Introductionmentioning

confidence: 99%

Blends of ground tire rubber devulcanized by microwaves/HDPE - Part B: influence of clay addition

et al. 2015

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SbstractThe main objective of this work is to study the influence of clay addition on dynamically revulcanized blends of Ground Tire Rubber (GTR)/High Density Polyethylene (HDPE). GTR was previously devulcanized in a system comprised of a conventional microwave oven adapted with a motorized stirring, with a fixed microwave power and at various exposure times. The influence of clay addition on the final properties of the blends was evaluated in terms of mechanical, viscoelastic, thermal and rheological properties, with morphology being also analyzed. The results depict that the clay can modify the rheological behavior of the GTR phase, in addition to the thermal and mechanical properties of some blends.

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“…On the contrary, it has been found that the composites with untreated W‐EPDM/LDPE/POE were found to increase up to 30% and 12% compared to the composites without POE. It is believed that improved properties of W‐EPDM composite with POE were achieved partly due to the van der Waals attraction between POE and LDPE and partly due to encapsulation effect of POE as described elsewhere . Moreover, the additional increment of TS MW‐ and ultrasound‐treated W‐EPDM/LDPE composited with POE was insignificant as it was only 3% and 4%, respectively.…”

Section: Resultsmentioning

confidence: 68%

Processing and characterization of microwave and ultrasonically treated waste-EPDM/LDPE polymer composites

et al. 2014

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Composites have been prepared from devulcanized waste ethylene propylene diene monomer (W‐EPDM) rubber by blending with low‐density polyethylene (LDPE) in a twin‐screw extruder. W‐EPDM was treated separately by optimized microwave and ultrasonic radiation. Effect of compatibilizer such as ethylene octane elastomeric copolymer (POE) on the enhancement of mechanical properties of composites was also studied in addition to the radiation treatment. The enhancement of tensile strength (TS) and elongation at break of composite with microwave‐treated W‐EPDM were increased up to 41% and 62%. Corresponding values were found 44% and 68% for ultrasonic treatment. Higher amount of energy during microwave treatment induced larger and localized cavity formation on the surface of composite results reduction of TS as confirmed from surface morphology study. On the contrary, encapsulation effect of POE only found to be useful to enhance TS of the composites up to 30% with untreated W‐EPDM and LDPE. No significant additional strength increase over microwave and ultrasound treatment was found upon using POE. The encapsulation effect of POE disappeared when radiation was applied. FTIR and DMA study revealed the existence of only physical interaction upon microwave and ultrasound treatment. POLYM. ENG. SCI., 55:533–540, 2015. © 2014 Society of Plastics Engineers

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Morphology and mechanical properties of HDPE/SRP/elastomer composites: effect of elastomer polarity

Cited by 56 publications

References 31 publications

Interfacially modified LDPE/GTR composites with non-polar elastomers: From microstructure to macro-behavior

Interfacially modified LDPE/GTR composites with non-polar elastomers: From microstructure to macro-behavior

Blends of ground tire rubber devulcanized by microwaves/HDPE - Part B: influence of clay addition

Processing and characterization of microwave and ultrasonically treated waste-EPDM/LDPE polymer composites

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