Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Silas Owusu‐Nkwantabisah"'
Publikováno v:
ACS Applied Materials & Interfaces. 12:45657-45664
Unique and random wrinkle features are desired for applications, especially in anticounterfeiting. Multifunctional wrinkled materials as well as simple wrinkling methods are desired for more applications. In this study, free-standing wrinkle-patterne
Autor:
Silas Owusu-Nkwantabisah
Publikováno v:
Colloids and Surfaces A: Physicochemical and Engineering Aspects. 577:96-102
Micropatterning typically involves a multistep lithographic process. Despite its high throughput and versatility, lithography involves multiple steps and hazardous etching chemicals. Moreover, lithographic techniques fall short in creating nonidentic
Publikováno v:
Journal of Colloid and Interface Science. 541:322-328
Hypothesis The application of an external electric Field (E-Field) to control layer-by-layer (LBL) growth of polyelectrolyte multilayers (PEM) typically involves hydrolysis of the water at the electrodes. We hypothesize that by isolating the electrod
Publikováno v:
Applied Surface Science. 450:164-169
Superhydrophobic coatings find important applications in consumer, commercial and advanced materials industries. Despite the existing approaches, the variety of substrates and different coating compositions necessitates the availability of several si
Autor:
Grace Ann Bennett, Megan Szakasits, Gary L. Slater, Silas Owusu-Nkwantabisah, Jeffrey R. Gillmor, Manju Rajeswaran, Brian Antalek
Publikováno v:
Polymer. 145:374-381
Strong and tough hydrogels, important for several materials and bio-applications, typically consist of nanocomposites and double networks. There is the need to create hydrogels that exhibit tunable mechanical properties on demand without compromising
Publikováno v:
Polymer Engineering & Science. 58:1108-1114
Processing of a high glass transition (Tg) polymer such as polyethersulfone (PES; Tg = 225°C) poses a challenge as it requires high processing temperatures or sometimes toxic solvents. In this work, we report of a facile process using superheated wa
Autor:
Robledo Osmundo Gutierrez, Grace Ann Bennett, Roger E. Moody, Jeffrey R. Gillmor, Mark R. Mis, Silas Owusu-Nkwantabisah, Brian Antalek, Steven C. Switalski, Gary L. Slater
Publikováno v:
Macromolecules. 50:3671-3679
A fast (30 s) thermoresponse and rapid (30 min) self-healing were achieved by noncovalently incorporating a small fraction of poly(N-isopropylacrylamide) (PNIPAM) nanogels (≤0.18 wt %) into a benzyl methacrylate-co-octadecyl methacrylate-co-methacr
Publikováno v:
Journal of Applied Polymer Science. 134
Self-healing hydrogels are attractive for a variety of applications including wound dressings and coatings. This paper describes the facile preparation and characterization of an autonomous self-healing hydrogel system comprising surfactant-free hydr
Publikováno v:
Langmuir. 30:11696-11703
Attenuated total reflectance infrared spectroscopy (ATR-IR) was used to study the dynamic layer-by-layer (LBL) growth of a sodium polyacrylate (NaPA)/poly(diallydimethylammonium) chloride (PDADMAC) multilayer on TiO2 particles. Molecular weights (Mw)
Publikováno v:
Journal of Applied Polymer Science. 133