TY - GEN
T1 - MORPHOLOGY AND MECHANICAL PROPERTIES OF POLY-ETHER-ETHERKETONE (PEEK) AND POLYSULFONE (PSU) BLENDS
AU - Agarwal, Mohit
AU - Ramkumar, Siddharth S.
AU - Shaikh, Asaad
AU - Lynch-Branzoi, Jennifer
AU - Pelegri, Assimina A.
N1 - Publisher Copyright:
© 2023 Soc. for the Advancement of Material and Process Engineering. All rights reserved.
PY - 2023
Y1 - 2023
N2 - Immiscible polymer blends can offer many advantages when the two polymers are well-mixed. Polyetheretherketone (PEEK) and polysulfone (PSU) are stable, engineering-grade polymers in high-temperature industrial applications. PEEK is an aromatic, semicrystalline thermoplastic polymer, and PSU is an amorphous thermoplastic polymer. PEEK is often blended with reinforcing agents, fillers, and other polymers, such as polysulfone (PSU), to form high-performance composites with enhanced properties. PSU has an affinity to PEEK with solid interfacial adhesion. This study combined PEEK with PSU using a unique melt-mixing processing method that imparts uniform shear to form immiscible polymer blend composites at concentrations of 0/100, 20/80, 50/50, 80/20, and 100/0 wt. % PEEK in PSU. The effect of adding PEEK to PSU was investigated on the morphology and flexural mechanical properties. SEM micrographs reveal well-mixed, small domains of PSU and PEEK with good interaction between domains. Flexural modulus increases with the addition of PEEK to PSU. Given the positive interactions and increase in modulus, PEEK/PSU blends offer a cost-effective alternative to PEEK alone for many commercial applications.
AB - Immiscible polymer blends can offer many advantages when the two polymers are well-mixed. Polyetheretherketone (PEEK) and polysulfone (PSU) are stable, engineering-grade polymers in high-temperature industrial applications. PEEK is an aromatic, semicrystalline thermoplastic polymer, and PSU is an amorphous thermoplastic polymer. PEEK is often blended with reinforcing agents, fillers, and other polymers, such as polysulfone (PSU), to form high-performance composites with enhanced properties. PSU has an affinity to PEEK with solid interfacial adhesion. This study combined PEEK with PSU using a unique melt-mixing processing method that imparts uniform shear to form immiscible polymer blend composites at concentrations of 0/100, 20/80, 50/50, 80/20, and 100/0 wt. % PEEK in PSU. The effect of adding PEEK to PSU was investigated on the morphology and flexural mechanical properties. SEM micrographs reveal well-mixed, small domains of PSU and PEEK with good interaction between domains. Flexural modulus increases with the addition of PEEK to PSU. Given the positive interactions and increase in modulus, PEEK/PSU blends offer a cost-effective alternative to PEEK alone for many commercial applications.
KW - Experimental mechanics
KW - PEEK
KW - PSU
KW - SEM
KW - characterization
KW - flexural test
KW - mechanical properties
KW - microstructure
KW - polymer-matrix composites (PMCs)
KW - thermoplastic resins
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U2 - 10.33599/nasampe/s.23.0204
DO - 10.33599/nasampe/s.23.0204
M3 - Conference contribution
AN - SCOPUS:85171445363
T3 - International SAMPE Technical Conference
BT - SAMPE 2023 Conference and Exhibition
PB - Soc. for the Advancement of Material and Process Engineering
T2 - SAMPE 2023 Conference and Exhibition
Y2 - 17 April 2023 through 20 April 2023
ER -