Preparation of Cubic Micro Particles from Poly (phenylene oxide)-block-poly (phenyl isocyanate) Copolymer

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SEMSARZADEH MOHAMMAD ALI; Sh.Dadkhah Arezoo

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Journal: Nashrieh Shimi va Mohandesi Shimi Iran Year:2018 | Volume:37 | Issue:3 Page(s): 37-49

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Title

Preparation of Cubic Micro Particles from Poly (phenylene oxide)-block-poly (phenyl isocyanate) Copolymer

Author(s)

SEMSARZADEH MOHAMMAD ALI | Sh.Dadkhah Arezoo | Issue Writer Certificate

Keywords

Ether-amide copolymerQ1

Phenylene oxideQ1

Phenyl isocyanateQ1

ParticlesQ1

CubicQ1

Abstract

In this research, poly (ether)-block-poly (amide) copolymer was synthesized from polyPhenylene oxide (PPO) and Phenyl isocyanate (PIC) via coordination polymerization in the presence of TiCl4 and dried toluene. The effects of temperature, reaction time, TiCl4/PPO ratio, the concentration of monomer and toluene as a solvent on the yield of copolymerization were investigated. Chemical structure of block copolymer was confirmed by Hydrogen Nuclear Magnetic Resonance (1H NMR) spectroscopy. 1H NMR results were in good agreement with gel permeation chromatography (GPC). Molecular weight and molecular weight distribution of the copolymer are 5806 g/mol and 1. 25, respectively. Thermal properties of the copolymer were studied by Differential Scanning Calorimetry (DSC) measurement, in which the glass transition (Tg) of amide and ether blocks were 84˚ C and 164˚ C, respectively. The freeze-grinding method was used for the preparation of Particles (grinding time = 2 hours). Scanning Electron Microscope (SEM) and Transmission Electron Microscopy (TEM) images exhibited micrometric and nano metric Particles with regular and Cubic structure. Obtained results from X-Ray Diffraction (XRD) showed that synthesized copolymer Particles have a simple Cubic crystal lattice of [100], [110], and [111].

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APA: Copy

SEMSARZADEH, MOHAMMAD ALI, & Sh.Dadkhah, Arezoo. (2018). Preparation of Cubic Micro Particles from Poly (phenylene oxide)-block-poly (phenyl isocyanate) Copolymer. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), 37(3 ), 37-49. SID. https://sid.ir/paper/26291/en

Vancouver: Copy

SEMSARZADEH MOHAMMAD ALI, Sh.Dadkhah Arezoo. Preparation of Cubic Micro Particles from Poly (phenylene oxide)-block-poly (phenyl isocyanate) Copolymer. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN)[Internet]. 2018;37(3 ):37-49. Available from: https://sid.ir/paper/26291/en

IEEE: Copy

MOHAMMAD ALI SEMSARZADEH, and Arezoo Sh.Dadkhah, “Preparation of Cubic Micro Particles from Poly (phenylene oxide)-block-poly (phenyl isocyanate) Copolymer,” NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), vol. 37, no. 3 , pp. 37–49, 2018, [Online]. Available: https://sid.ir/paper/26291/en

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