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F. CAKAR1,* , H. OCAK1, B. BILGIN-ERAN1, O. CANKURTARAN1, F. KARAMAN1
The miscibility of poly(ether imide) (Ultem) and liquid crystal 4-[(2S)-2-methylbutoxy]-N-[[4-[(5,5,6,6,7,7,8,8,9,9,10,10,10- tridecafluorodecyl)oxy]phenyl] methylene] benzenamine (MTOPMB) were investigated at 30 oC in dilute chloroform solutions by viscometric analysis. The intrinsic viscosity and interaction parameters were determined for individual components and binary Ultem/MTOPMB mixtures in compositions such as 80/20, 60/40, 40/60 and 20/80 (w/w) in chloroform solutions. The miscibility criteria on the basis of the sign of m Δb , m Δb , m Δb and m Δ[η] which are the difference between their experimental and ideal values were used in viscometric analysis. The data suggested that the studied binary mixtures were immiscible except the one of Ultem/MTOPMB: 80/20 (w/w). The miscibility of the mixtures was also studied by differential scanning calorimetry (DSC) and polarised light optical microscopy (POM)..
Poly(ether imide), Liquid crystal, Miscibility, Viscometry.
F. CAKAR, H. OCAK, B. BILGIN-ERAN, O. CANKURTARAN, F. KARAMAN, Compatibility studies of poly(ether imide) with liquid crystal mixtures, Optoelectronics and Advanced Materials - Rapid Communications, 7, 9-10, September-October 2013, pp.667-671 (2013).
Submitted at: April 29, 2013
Accepted at: Sept. 18, 2013
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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