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Frank D. Blum
Oklahoma State University–Stillwater
223Publications
25H-index
2,506Citations
Publications 223
Newest
Published in Langmuir 3.68
Bal K. Khatiwada3
Estimated H-index: 3
,
Frank D. Blum25
Estimated H-index: 25
Published on Jul 12, 2019in Journal of Physical Chemistry C 4.31
Helanka J. Perera2
Estimated H-index: 2
,
Reza Latifi , Frank D. Blum25
Estimated H-index: 25
The determination of the structural assemblies of hexadecyltrimethoxysilane (HDTMS) on silica particles was made using temperature–modulated differential scanning calorimetry (TMDSC), thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FTIR) and powder X-ray spectroscopy. At very small adsorbed amounts ( 0.6 mg/m2 or more) in the "multilayer region", the chains adopted more trans(anti)-conformations; their decomposition temperatures approached that of the bulk condensed HD...
Published on Mar 1, 2019
Helanka J. Perera2
Estimated H-index: 2
,
Frank D. Blum25
Estimated H-index: 25
Published on Feb 1, 2019in Journal of Materials Science & Technology 5.04
Sourabh Biswas2
Estimated H-index: 2
(OSU: Oklahoma State University–Stillwater),
S. Habib Alavi7
Estimated H-index: 7
(OSU: Oklahoma State University–Stillwater)
+ 2 AuthorsSandip P. Harimkar22
Estimated H-index: 22
(OSU: Oklahoma State University–Stillwater)
Abstract Ultrasonic vibration-assisted laser surface processing that involves application of vertical ultrasonic vibrations to the Ti-6Al-4 V alloy substrates while being irradiated with a CO 2 laser was performed for the development of laser melted and textured surfaces with potential applications in biomedical implants. The laser processing resulted in very consistent repeating undulating grooved surfaces, and the undulations were significantly more pronounced in the samples processed with hig...
Published on Sep 18, 2018in Langmuir 3.68
Madhubhashini Maddumaarachchi2
Estimated H-index: 2
(OSU: Oklahoma State University–Stillwater),
Yohan L. N. Mathota Arachchige2
Estimated H-index: 2
(OSU: Oklahoma State University–Stillwater)
+ 1 AuthorsFrank D. Blum25
Estimated H-index: 25
(OSU: Oklahoma State University–Stillwater)
Variable temperature, solid-state deuterium (2H) NMR spectroscopy has been used to probe the rather complex head group dynamics of the surfactant cetyltrimethylammonium bromide-d9 (CTAB-d9) in bulk. Heating and cooling runs were made as the surfactant underwent supercooling. 2H NMR line shape simulations were used to identify the hierarchy of the molecular motions of CTAB as a function of temperature. Fast continuous methyl rotations about the N–Cmethyl axes and 3-fold jumps about the main chain...
Published on Feb 1, 2018
Helanka J. Perera2
Estimated H-index: 2
(Higher Colleges of Technology),
Frank D. Blum25
Estimated H-index: 25
(OSU: Oklahoma State University–Stillwater)
Superhydrophobic surfaces were prepared with treated diatomaceous earth (DE) particles treated with different chain lengths at 2.2 mg/m 2 silane treatment using alkyltrimethoxysilanes (H 3 C(CH 2 ) n−1 -Si(OCH 3 ) 3 with n = 3, 8, 12, 16, and 18). The properties of the untreated and treated DE particles were characterized with thermogravimetric analysis (TGA) and temperature modulated differential scanning calorimetry (TMDSC). The wettability and surface morphology of treated DE polyurethane coa...
Published on Jan 1, 2018in Journal of Polymer Science Part B 2.60
Ugo N. Arua1
Estimated H-index: 1
,
Frank D. Blum25
Estimated H-index: 25
The effects of adsorption of poly(lauryl methacrylate) (PLMA), a side-chain crystalline polymer, on silica were investigated. Fourier transform infrared spectroscopy and differential scanning calorimetry (DSC) measurements were made on both bulk and adsorbed PLMA. The reversible heat flow rates were observed as a function of temperature and the degree of crystallinity of the samples determined based on the broad melting transitions of the side chains in the surface samples. It was found that ads...
Published on Nov 14, 2017in Journal of Chemical Education 1.76
Charles E. Carraher7
Estimated H-index: 7
,
Erik B. Berda19
Estimated H-index: 19
+ 5 AuthorsSarah E. Morgan Morgan
The Committee on Polymer Education (PolyEd) had its initial planning meeting in 1974. The Intersociety Polymer Education Council (IPEC) has been active since 1990 as an outgrowth of PolyEd. Because of the activities of PolyEd and IPEC, basic polymer concepts have become a required part of undergraduate education and a more common topic in the curriculum for K–12 students. A brief history of polymer education is given. The current and future activities of PolyEd and IPEC are described.
Published on Oct 1, 2017in Polymer Journal 2.64
Gregory N. Smith11
Estimated H-index: 11
,
James E. Hallett6
Estimated H-index: 6
(UoB: University of Bristol)
+ 4 AuthorsJulian Eastoe47
Estimated H-index: 47
Composites of the industrially important polymer, poly(methyl methacrylate) (PMMA), were prepared by free-radical polymerization of MMA with varying amounts (1–30 wt. %) of sodium dioctylsulfosuccinate (Aerosol OT or AOT) surfactant added to the reaction mixture. The composites with AOT incorporated show enhanced resistance to thermal degradation compared to pure PMMA homopolymer, and micro-cone combustion calorimetry measurements also show that the composites are combustion-resistant. The physi...
Published on Oct 1, 2017in Journal of Colloid and Interface Science 6.36
Tan Zhang3
Estimated H-index: 3
(A&M: Texas A&M University),
Frank D. Blum25
Estimated H-index: 25
(OSU: Oklahoma State University–Stillwater)
Abstract Surfactant-catalyzed room-temperature radical polymerization of methyl methacrylate (MMA) was conducted in the presence of fumed silica nanoparticles and water. Three types of surfactants, cationic (CTAB), nonionic (Triton X-100) or anionic (SDS), were used to catalyze the decomposition of the initiator, 2,2′-azobisisobutyronitrile (AIBN). The surfactant-catalyzed decomposition rate constant for AIBN at room temperature was found to be independent of the surfactant type. However, the ra...
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