Preparation of polypropylene/ethylene‐propylene‐diene terpolymer/nitrile rubber ternary thermoplastics vulcanizates with good mechanical properties and oil resistance by core‐shell dynamic vulcanization

Fei Lv; Jianfeng Fan; Jianying Huang; Liming Cao; Xuesong Yan; Ling Ge; Saifudin Abubakar; Yukun Chen

doi:10.1002/pat.4937

journal article May 20, 2020

Preparation of polypropylene/ethylene‐propylene‐diene terpolymer/nitrile rubber ternary thermoplastics vulcanizates with good mechanical properties and oil resistance by core‐shell dynamic vulcanization

Fei Lv Jianfeng Fan Jianying Huang

Liming Cao

Xuesong Yan

Ling Ge Saifudin Abubakar Yukun Chen

Polymers for Advanced Technologies Vol. 31 No. 10 pp. 2161-2171 · Wiley

View at Publisher Save 10.1002/pat.4937

Abstract

As the most successful commercialized thermoplastic vulcanizates (TPVs), polypropylene (PP)/ethylene propylene rubber (EPDM) TPVs exhibit poor oil resistance. In this work, we prepared PP/EPDM/butadiene acrylonitrile rubber (NBR) ternary TPVs with good oil resistance using core‐shell dynamic vulcanization. According to the theoretical analysis of the spreading coefficient and the transmission electron microscopy results, the rubber phases exhibited a special core‐shell structure, in which the cross‐linkedNBR‐core was encapsulated by the EPDM‐shell. The core‐shell structure effectively improved the interfacial compatibility between PP and NBR phase as the EPDM‐shell could avoid the direct contact of them, thus improving the mechanical properties of the TPVs. For example, the PP/EPDM/NBR (40/30/30) ternary TPV showed enhanced tensile strength of 12.57 MPa, compared with 10.71 MPa of PP/EPDM (40/60) TPV and 11.11 MPa of PP/NBR (40/60) TPV, respectively. Moreover, the oil resistance of the TPVs was also improved. Compared with PP/EPDM TPV, the change rates in mass, volume, tensile strength and elongation at break of PP/EPDM/NBR TPV after oil immersion decreased by 42.18%, 48.69%, 52.68% and 28.77%, respectively.

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Metrics

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Citations

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References

Details

Published: May 20, 2020
Vol/Issue: 31(10)
Pages: 2161-2171
License: View

Authors

F

Fei Lv

Lab of Advanced Elastomer, School of Mechanical and Automotive Engineering South China University of Technology Guangzhou China

J

Jianfeng Fan

Lab of Advanced Elastomer, School of Mechanical and Automotive Engineering South China University of Technology Guangzhou China

J

Jianying Huang

Lab of Advanced Elastomer, School of Mechanical and Automotive Engineering South China University of Technology Guangzhou China

L

Liming Cao

Lab of Advanced Elastomer, School of Mechanical and Automotive Engineering South China University of Technology Guangzhou China

X

Xuesong Yan

ExxonMobil Asia Pacific Research & Development Co., Ltd Shanghai China

L

Ling Ge

ExxonMobil Asia Pacific Research & Development Co., Ltd Shanghai China

S

Saifudin Abubakar

ExxonMobil Asia Pacific Research & Development Co., Ltd Shanghai China

Y

Yukun Chen

Lab of Advanced Elastomer, School of Mechanical and Automotive Engineering South China University of Technology Guangzhou China

Funding

National Natural Science Foundation of China Award: 51973067

Cite This Article

Fei Lv, Jianfeng Fan, Jianying Huang, et al. (2020). Preparation of polypropylene/ethylene‐propylene‐diene terpolymer/nitrile rubber ternary thermoplastics vulcanizates with good mechanical properties and oil resistance by core‐shell dynamic vulcanization. Polymers for Advanced Technologies, 31(10), 2161-2171. https://doi.org/10.1002/pat.4937

Preparation of polypropylene/ethylene‐propylene‐diene terpolymer/nitrile rubber ternary thermoplastics vulcanizates with good mechanical properties and oil resistance by core‐shell dynamic vulcanization

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