Materials Literature
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Abstract PP‐ g ‐MA‐layered EGO composites were prepared directly by solution blending. Two types of PP‐ g ‐MA/EGO composites were prepared using different mixing methods: distributive and dispersive. In this study, the effects of the mixing method of EGO on the crystalline structure and thermo‐mechanical properties of…
Aqueous solutions of self-assembled nanoparticles formed by biocompatible diblock copolymers of poly(epsilon-caprolactone)-block-poly(ethylene oxide) (PCL-PEO) with the same molar mass of the PEO block (5000 g mol-1) and three different molar masses of the PCL block (5000, 13 000, and 32 000 g mol-1) have been prepare…
To understand features of polymers grafted by electron beam (EB) irradiation method, we investigated topology of poly(N-isopropylacrylamide) (PIPAAm) grafted tissue culture polystyrene (TCPS) (PIPAAm-TCPS) prepared by EB irradiation, using atomic force microscopy (AFM) in air and under aqueous conditions. Furthermore,…
The iron(II) compounds [Fe(3Cn-L)2(NCS)2] (n = 6 (1), n = 8 (2), n = 10 (3), n = 12 (4), n = 14 (5), n = 16 (6), n = 18 (7), n = 20 (8), and n = 22 (9)) were synthesized and their physical properties characterized by polarizing optical microscopy, differential scanning calorimetry, and powder X-ray analysis, where 3Cn…
Abstract Native plant proteins such as gluten, zein, soy and pea protein were chemically modified by acylation reactions using palmitic acid chloride and alkenyl‐substituted succinic anhydrides, respectively. The goal of this work was the development of novel, biodegradable protein materials, which are processable by…
Carbon nanotube capsules (CNCs) with the diameter of 5-10 microm were fabricated from acid-modified multiwalled carbon nanotubes (CNTs) using water-in-oil (W/O) emulsion technique. The effects of the content of CNTs in water, the extent of acid treatment, and the length of CNTs used on the formation and morphology of…
The influence of residual stress on the hysteresis properties of mild steel is studied in detail. Magnetic measurements were done in different directions to investigate the stress-induced anisotropy. The hysteresis loops measured in any fixed direction at different levels of deformation crossed at two points known as…
Abstract A three‐dimensional (3D) lamellar structure of a poly(styrene‐ block ‐isoprene) block copolymer was observed at submicrometer and micrometer levels by scanning electron microscopy combined with a focused ion beam (FIB–SEM). The 3D lamellar structure with an exceptionally large periodicity, about 0.1 μm, was s…
Abstract In this paper, a novel intumescent system including MP as well as PER/TPU which acts as composite charring agent, is adopted to flame‐retarded PP. The encapsulation of charring agent PER by TPU effectively avoids the reaction of PER with MP during the compounding with PP at high temperature and also prevents…
ADVERTISEMENT RETURN TO ISSUEPREVCommunicationNEXTPreparation of Au Nanoparticles in the Interlayer Space of a Layered Alkali Silicate Modified with Alkylthiol GroupsYusuke Ide, Atsushi Fukuoka, and Makoto OgawaView Author Information Department of Earth Sciences and Graduate School of Science and Engineering, Waseda…
In this work we report on the formation of pure polyaniline fibres by the electrospinning method. The fibres present diameters ranging from hundreds of nanometres to a few micrometres and have lengths of hundreds of micrometres. The fibres were collected on SiO 2 /Si and Si wafer pieces in the form of isolated fibres.…
Abstract A series of poly(amic acid)s have been synthesized from cyclobutane‐1,2,3,4‐tetracarboxylic dianhydride (CBDA), a functional diamine, 1‐(3,5‐diaminophenyl)‐3‐(1‐octadecyl)‐succinicimide and 4,4‐diaminodiphenylmethane (DDM) to give liquid crystal alignment layers with high pretilt angle after a rubbing process…
Although a number of chalcogenostannates have been obtained by using [M(amine)m]n+ as the structure director, these materials with chiral metal complex ions are usually achiral because they are a racemic mix of chiral complex cations. A chiral selenidostannate, [Mn(tepa).Sn3Se7]n (1; tepa = tetraethylenepentamine), co…
Carbon encapsulated magnetic (metal) nanoparticles (CEMNPs) have wide applications in biomedicine and the magnetic recording industry. However, synthesis of such particles with a high coercive force and good ferromagnetism is still a great challenge. The present study reports a new method for the continuous production…
The design of nano- and microstructures based on self-organization is a key area of research in the search for new materials, and it has a variety of potential applications in tissue engineering scaffolds. We have reported a honeycomb-patterned polymer film (honeycomb film) with highly regular pores that is formed by…
Hexagonal Eu(3+):ZnO nanocrystals were synthesized by a modified solgel method. By means of the site-selective spectroscopy at 10 K, two kinds of luminescence sites of Eu(3+) are identified. One site exhibits a long lifetime of (5)D(0) and sharp emission and excitation peaks, which are ascribed to the inner lattice si…
Dielectric transmission gratings with a similar period as the wavelength of the incident light can exhibit strong polarization dependence. By optimizing the groove width of a negative first-order Littrow transmission grating it can be achieved that light is transmitted to the zeroth order for one polarization, regardl…
This paper presents the effects of chemical and thermal treatments on the strength of vegetable fibers that were being considered as reinforcements in cementitious matrix composites for affordable housing. These include vegetable fibers extracted from banana trunks and sugar cane residues. The results suggested that p…
A simple method was developed for preparation of core colloids modified with Au (Ag) nanoparticles (NPs). The core colloids vary from polymer colloids (polystyrene spheres) to dielectric inorganic spheres (SiO 2 ) and semiconductors (ZnO) particles. The composite colloids were obtained by heating the solution of the c…
Recently, metal−molecule−metal junctions have been actively researched due to their potential applications in molecular electronics, and probing the structure of the molecules in the junctions is crucial for understanding electron-transfer properties. In this paper, self-assembled monolayers (SAMs) of p -aminothiophen…