Effect of coagulation conditions on solvent diffusions and the structures and tensile properties of solution spun polyacrylonitrile fibers
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Polymer Science"
DOI: 10.1002/app.44390
Abstract: Polyacrylonitrile (PAN) fibers were spun by solution spinning. In this work, two coagulation compositions, dimethyl sulfoxide (DMSO)/water and methanol, were used, and coagulation temperatures were varied from −20 to 0 to 20°C. The coagulation compositions… read more here.
Keywords: coagulation; used coagulation; pan fibers; coagulation conditions ... See more keywords
Structural and thermal property changes of plasticized spinning polyacrylonitrile fibers under different spinning speeds
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DOI: 10.1002/app.45267
Abstract: The effect of the spinning speed on structural and thermal properties of polyacrylonitrile (PAN) fibers prepared by plasticized spinning was investigated. The PAN fibers were characterized by scanning electron microscopy, X-ray diffraction, differential scanning calorimetry,… read more here.
Keywords: pan fibers; spinning speed; structural thermal; plasticized spinning ... See more keywords
Preparation of durable antibacterial and electrically conductive polyacrylonitrile fibers by copper sulfide coating
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DOI: 10.1002/app.45496
Abstract: In this study, antibacterial and electrically conductive polyacrylonitrile (PAN) fibers were prepared by one-step reaction between Cu2+ and S2– ions without extra reducing agents. The copper sulfide layer was firmly adhered to PAN fibers with… read more here.
Keywords: copper sulfide; microscopy; pan fibers; conductive polyacrylonitrile ... See more keywords
Surface Modification Method of Polyacrylonitrile (PAN) Fibers by L-cysteine Coupling Protein
Sign Up to like & getrecommendations! Published in 2019 at "Fibers and Polymers"
DOI: 10.1007/s12221-019-9343-8
Abstract: This study reports an innovative environmental friendly polyacrylonitrile (PAN) fiber grafting modification method, which is using L-cysteine as a coupling agent to link the hydrolyzed PAN fibers with protein macromolecules by covalent bonds. After hydrolysis… read more here.
Keywords: modification method; pan fibers; polyacrylonitrile pan; cysteine coupling ... See more keywords
Melt processable polyacrylonitrile copolymer precursors for carbon fibers: Rheological, thermal, and mechanical properties
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Industrial and Engineering Chemistry"
DOI: 10.1016/j.jiec.2018.11.012
Abstract: Abstract Polyacrylonitrile (PAN) copolymers containing varying amounts of methyl acrylate (MA), P(AN-co-MA), were synthesized as a melt-spinnable precursor of carbon fibers. The rheological properties of P(AN-co-MA) with MA content of 15 mol% at 190 °C proved to… read more here.
Keywords: mechanical properties; melt; fibers rheological; carbon fibers ... See more keywords
Higher dose rate effect of 500-keV EB irradiation favoring free radical annealing and pre-oxidation of polyacrylonitrile fibers
Sign Up to like & getrecommendations! Published in 2019 at "Polymer Degradation and Stability"
DOI: 10.1016/j.polymdegradstab.2019.07.003
Abstract: Abstract In this study, free radicals in polyacrylonitrile (PAN) fibers induced by irradiation of 500-keV electron beam (EB) accelerator were investigated via electron spin resonance (ESR). Alkyl radicals and polyimine radicals were formed in PAN… read more here.
Keywords: dose rate; temperature; irradiation; pan fibers ... See more keywords
Influence of boric acid on radial structure of oxidized polyacrylonitrile fibers
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DOI: 10.1515/epoly-2019-0010
Abstract: Abstract The surface modification of polyacrylonitrile (PAN) fibers with boric acid was utilized to modulate the homogeneity of the radial structure of the PAN fibers during thermal stabilization. Exothermic peaks of the fibers were put… read more here.
Keywords: acid; radial structure; pan fibers; boric acid ... See more keywords