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Relevant bibliographies by topics / Modified Commercial PAN Fibers

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Academic literature on the topic 'Modified Commercial PAN Fibers'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Modified Commercial PAN Fibers"

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Abdouss, Majid, Mousavi Shoushtari, Aminoddin Haji, and Behnam Moshref. "Fabrication of chelating diethylenetriaminated pan micro and nano fibers for heavy metal removal." Chemical Industry and Chemical Engineering Quarterly 18, no. 1 (2012): 27–34. http://dx.doi.org/10.2298/ciceq110719043a.

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In this study, commercial acrylic fibers were modified with diethylenetriamine to prepare metal chelating fibers. The effects of process parameters on the efficiency of the reaction were investigated. FTIR spectroscopy and TGA analysis were used to confirm the chemical changes made to the fibers during the reaction. The ability of the modified fibers for removal of Pb (II), Cu (II) and Ce (IV) ions from aqueous media was determined. The modified fibers showed a slight decrease in mechanical properties compared to raw ones. Furthermore, the acrylic micro fibers were electrospun to nanofibers an

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Down, W. B., and R. T. K. Baker. "Modification of the surface properties of carbon fibers via the catalytic growth of carbon nanofibers." Journal of Materials Research 10, no. 3 (1995): 625–33. http://dx.doi.org/10.1557/jmr.1995.0625.

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The surface of commercial pitch and PAN-based carbon fibers has been modified by coating the structures with catalytically formed carbon nanofibers. Reaction conditions have been established that enable one to achieve optimum coverage by the secondary nanostructures without inducing any degradation in the mechanical properties of the parent fibers. Using this approach it is possible to produce a dramatic increase in the surface area of the fibrous structure from a nominal value of about 1.0 m2/g (untreated condition) up to between 250 and 300 m2/g (complete nanofiber coverage). This process re

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Wang, Xiao Xiao, Tao Chen, and Ji Ping Wang. "Degradation of Synthetic Reactive Dye Wastewater Based on Amine-Functionalized Polyacrylonitrile Fiber." Key Engineering Materials 671 (November 2015): 425–30. http://dx.doi.org/10.4028/www.scientific.net/kem.671.425.

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A series of functional fibers have been prepared by modifying a commercially available polyacrylonitrilefiber (PANF) with polyamines such as ethylenediamine, tetraethylenepentamine and hyperbranched polyethylenimine (HPEI), and then used to coordinate with Fe3+, respectively, to produce Fe-modified PAN fiber complexes. The chemical structures of modified PANFs were verified by Fourier transform infrared spectroscopy (FT-IR). X-ray Diffraction (XRD) characterization showed that the inner crystal region of PANF was damaged during the introduction of amine groups.. Organic elemental analysis resu

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Al Angari, Yasser M., Yaaser Q. Almulaiky, Maha M. Alotaibi, Mahmoud A. Hussein, and Reda M. El-Shishtawy. "Synthesis and Characterization of Aminoamidine-Based Polyacrylonitrile Fibers for Lipase Immobilization with Effective Reusability and Storage Stability." International Journal of Molecular Sciences 24, no. 3 (2023): 1970. http://dx.doi.org/10.3390/ijms24031970.

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Lipases are extensively utilized industrial biocatalysts that play an important role in various industrial and biotechnological applications. Herein, polyacrylonitrile (PAN) was treated with hexamethylene diamine (HMDA) and activated by glutaraldehyde, then utilized as a carrier support for Candida rugosa lipase. In this regard, the morphological structure of modified PAN before and after the immobilization process was evaluated using FTIR and SEM analyses. The immobilized lipase exhibited the highest activity at pH 8.0, with an immobilization yield of 81% and an activity of 91%. The optimal p

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Yokota, Shingo, Kumiko Matsuo, Takuya Kitaoka, and Hiroyuki Wariishi. "Specific interaction acting at a cellulose-binding domain/cellulose interface for papermaking application." BioResources 3, no. 4 (2008): 1030–41. http://dx.doi.org/10.15376/biores.3.4.1030-1041.

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Specific and strong cellulose-binding characteristics were utilized for promoting retention of additives in contaminated papermaking systems. Cellulose-binding domain (CBD) of cellulase derived from Trichoderma viride was separated by digestion with papain, and then introduced into anionic polyacrylamide (A-PAM) through a condensation reaction using water-soluble carbodiimide. The CBD-modified A-PAM (CBD-A-PAM) showed good retention on pulp fibers, resulting in high tensile strength paper sheets. The effect remained almost unchanged in the presence of model interfering substances such as ligni

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Buche?ska, Jadwiga. "Modified polyacrylonitrile (PAN) fibers." Journal of Applied Polymer Science 65, no. 10 (1997): 1955–66. http://dx.doi.org/10.1002/(sici)1097-4628(19970906)65:10<1955::aid-app13>3.0.co;2-w.

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Aung, Kay Thwe, Seung-Hee Hong, Seong-Jik Park, and Chang-Gu Lee. "Removal of Cu(II) from Aqueous Solutions Using Amine-Doped Polyacrylonitrile Fibers." Applied Sciences 10, no. 5 (2020): 1738. http://dx.doi.org/10.3390/app10051738.

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Polyacrylonitrile (PAN) fibers were prepared via electrospinning and were modified with diethylenetriamine (DETA) to fabricate surface-modified PAN fibers. The surface-modified PAN fibers were used to evaluate their adsorption capacity for the removal of Cu(II) from aqueous solutions. Batch adsorption experiments were performed to examine the effects of the modification process, initial concentration, initial pH, and adsorbent dose on the adsorption of Cu(II). Kinetic analysis revealed that the experimental data fitted the pseudo-second-order kinetic model better than the pseudo-first-order mo

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Wu, Fan, and Shuibo Xie. "The adsorption of U(VI) by persimmon tannin modified aminated polyacrylonitrile fiber." Journal of Physics: Conference Series 2587, no. 1 (2023): 012031. http://dx.doi.org/10.1088/1742-6596/2587/1/012031.

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Abstract In this study, a green and efficient persimmon tannin functionalized polyacrylonitrile fiber (PAN-TETA-PT) was prepared and used to treat U(VI). The influence of pH value, adsorption temperature and time, and fiber material dosage on the adsorption U(VI) of PAN-TETA-PT fibers were investigated, and the kinetics, isotherm, and thermodynamics of fibers were analyzed. When the pH is 6, the temperature is 30°C, and the fiber dosage is 0.2 g·L−1, the adsorption rate of PAN-TETA-PT fibers to U(VI) was 96.5%, and the U(VI) adsorption capacity was 159.75 mg/g. The kinetic and isothermal studi

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Bhatti, Zulfiqar Ali, Khadija Qureshi, Ghulamullah Maitlo, and Shoaib Ahmed. "Study of PAN Fiber and Iron ore Adsorbents for Arsenic Removal." Civil Engineering Journal 6, no. 3 (2020): 548–62. http://dx.doi.org/10.28991/cej-2020-03091491.

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The main idea to conduct this study is the treatment of hazardous arsenite (As+3) and arsenate (As+5)from water by two efficient adsorbetns i.e. polyacrylonitrile fiber (organic) and iron ore (inorganic). Polyacrylonitrile (PAN) fibers were chemically modified prior to loading iron using a solution of diethylenetriamine and aluminum chloride hexahydrate. The characterization of PAN fibers was performed through FTIR spectroscopy, which shows the binding of functional groups on PAN fibers surfaces. Atomic absorption spectrometer (AAS) was used to analyze arsenic concentration in samples. The imp

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Ahn, Damiro, Hyun-Jung Choi, Ho-dong Kim, and Sang Young Yeo. "Properties of Conductive Polyacrylonitrile Fibers Prepared by Using Benzoxazine Modified Carbon Black." Polymers 12, no. 1 (2020): 179. http://dx.doi.org/10.3390/polym12010179.

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Composites of carbon black (CB) and polymers are attractive for producing conductive fibers. Herein, to achieve improved interactions with polymers, the surface of CB was modified to form 4-aminobenzoyl-functionalized carbon black (ABCB), benzoxazine-functionalized carbon black (BZCB), and Ag-anchored carbon black (Ag-ABCB). The surface-modified CBs were characterized by Fourier transform infrared spectroscopy and thermogravimetric analysis, and X-ray photoelectron spectroscopy was utilized to confirm the presence of Ag in Ag-ABCB. Conductive polyacrylonitrile (PAN) fibers were wet-spun with c

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Book chapters on the topic "Modified Commercial PAN Fibers"

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Mathur, R. B., O. P. Bahl, and J. Mittal. "Characteristics of Modified Polyacrylonitrile (PAN) Fibers." In Frontiers of Polymer Research. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-3856-1_59.

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Shahinpoor, Mohsen. "Review of the use of Fibrous Contractile Ionic Polyacrylonitrile (PAN) in Smart Materials and Artificial Muscles." In Fundamentals of Smart Materials. The Royal Society of Chemistry, 2020. http://dx.doi.org/10.1039/bk9781782626459-00046.

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Chapter 5 reviews contractile ionic polyacrylonitrile (PAN) fibers as smart materials and artificial muscles. PAN fibers in an active form (PAN or PAN gel modified by annealing/cross-linking and partial hydrolysis) elongate and contract when immersed in pH solutions (caustic and acidic solutions, respectively). Activated PAN fibers can also contract and expand in polyelectrolyte when electrically and ionically activated with cations and anions, respectively. The change in length of these pH-activated fibers is typically greater than 100%. However, more than 900% contraction/expansion of PAN na

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Simpson, Patrick, Michael Holthaus, Luke Gibbon, and Chad Ulven. "Composites Manufactured by Stereolithography." In Advanced Additive Manufacturing [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.101441.

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Stereolithography (SLA) is a widely utilized rapid additive manufacturing process for prototypes and proof-of-concept models with high resolution. In order to create structurally sound components using SLA, reinforcement needs to be incorporated in the UV-based resins typically used. However, the introduction of reinforcement into vat-based SLA printers has had limited success due to a host of processing challenges including the creation of a homogeneous resin mixture and UV-inhibiting constituents. The effectiveness of using a dual curing system, consisting of a photo and thermal initiator, f

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Conference papers on the topic "Modified Commercial PAN Fibers"

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Wongpajan, Rutchaneekorn, Suchalinee Mathurosemontri, Jitlada Boonlertsamut, Supaphorn Thumsorn, and Hiroyuki Hamada. "Interfacial Properties of Injection Molded Glass Fiber/Thermoplastics Composites." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66722.

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Four kinds of commercial glass fiber reinforced thermoplastics including GF reinforced polypropylene (GF/PP), GF reinforced polyamide 6 (GF/PA6), GF reinforced polycarbonate (GF/PC) and GF reinforced polyoxymethylene (GF/POM) were used in this study. The contents of GF were 10%, 20% and 40%. GF/PP, GF/PA6, PF/PC and GF/POM composites were fabricated to dumbbell specimen by injection molding. The effect of glass fiber contents on tensile properties, morphology and dynamic mechanical properties was investigated. Fiber volume fraction, fiber length distribution and fiber orientation were observed

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Buric, M., B. Liu, S. Huang, et al. "Modified single crystal fibers for distributed sensing applications." In SPIE Commercial + Scientific Sensing and Imaging, edited by Christopher S. Baldwin, Gary Pickrell, and Henry H. Du. SPIE, 2017. http://dx.doi.org/10.1117/12.2262992.

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BAVASSO, IRENE, FRANCESCA SBARDELLA, MARIA PAOLA BRACCIALE, et al. "HIERARCHICAL ELECTROSPUN VEILS AS POTENTIAL TOUGHENING MATERIALS FOR STRUCTURAL COMPOSITE LAMINATES." In Thirty-sixth Technical Conference. Destech Publications, Inc., 2021. http://dx.doi.org/10.12783/asc36/35780.

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The use of fiber reinforced polymers (FRPs) as a replacement of traditional homogeneous materials is still hindered by their brittle behavior and poor interlaminar resistance. Interleaving veils in polymer matrix, especially with fibers at the nanoscale dimension, is considered as one of the most promising toughening methods. By considering the hierarchical nature of the resulting laminated composites, their properties are intrinsically dependent on the interaction between the nanofibrous veils and the thermosetting resin and, in an attempt to tailor the interfacial adhesion between the electr

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Reports on the topic "Modified Commercial PAN Fibers"

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Baten, Bayezid, Matthew Gombeda, and Nishant Garg. Utilizing a Particle-packing Approach for an Illinois-specific, Nonproprietary, Low-shrinkage UHPC. Illinois Center for Transportation, 2024. http://dx.doi.org/10.36501/0197-9191/24-021.

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Ultra-high-performance concrete (UHPC) represents the next generation of concrete, with a strength 3-4 times greater than traditional concrete (100-120 MPa as opposed to 30-40 MPa). However, most of the commercial UHPC mixes are proprietary and expensive. In this project, we document the development of nonproprietary, cost-effective UHPC mixes primarily using locally sourced or pre-qualified materials in Illinois. The research utilizes the modified Anderson and Andreasen packing model to establish a new parameter: “packing factor” that has a significant influence on the design and performance

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Gur, Amit, Edward Buckler, Joseph Burger, Yaakov Tadmor, and Iftach Klapp. Characterization of genetic variation and yield heterosis in Cucumis melo. United States Department of Agriculture, 2016. http://dx.doi.org/10.32747/2016.7600047.bard.

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Project objectives: 1) Characterization of variation for yield heterosis in melon using Half-Diallele (HDA) design. 2) Development and implementation of image-based yield phenotyping in melon. 3) Characterization of genetic, epigenetic and transcriptional variation across 25 founder lines and selected hybrids. The epigentic part of this objective was modified during the course of the project: instead of characterization of chromatin structure in a single melon line through genome-wide mapping of nucleosomes using MNase-seq approach, we took advantage of rapid advancements in single-molecule se

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