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Mammalian Osteoderm Ultrastructure in the Armored Acomys Spiny Mouse Tail
Small, EarlyView.The ultrastructure of armored platelets – termed osteoderms – in the tail skin of Acomys cahirinus spiny mice is characterized using 2D and 3D microscopy methods. The imbricated structure is composed of calcium phosphate biomineral and has select structural elements that are bone‐like and tooth‐like in nature.
Joseph Deering +2 more
wiley +1 more source
Small, EarlyView.A polysulfide‐regulating covalent organic framework (TUS‐44) integrating tetrathiafulvalene and crown‐ether linkers forms an electron‐delocalized, ion‐coordinative network that synergistically mediates Li–S redox chemistry. When interfaced with graphene, the TUS‐44@G layer functions as a catalytic and chemisorptive interface, enabling efficient ...
Kai Sun +11 more
wiley +1 more source
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Grafting of polypropylene fibers. II. Electrokinetic properties of grafted polypropylene fibers
Journal of Applied Polymer Science, 1987Electrokinetic properties of methacrylic acid- and acrylonitrile-grafted polypropylene fibers measured in the presence of cationic dyes are reported. The zeta potential of polypropylene fibers decreases, and the surface charge density along with surface conductivity increases as the concentration of the dyes in the streaming solution increases.
H. T. Lokhande +4 more
openaire +1 more source
Journal of Macromolecular Science, Part A, 1998
The preparation, and especially the dyeability of blended fibers polypropylene and terpolymer acrylonitrile-butadiene-styrene and/or polypropylene and polystyrene, respectively are presented in this paper. Modified polypropylene fibers fix the dyestuffs much better and have lower tenacity according to the amount of the additive.
M. Kristofic +3 more
openaire +1 more source
The preparation, and especially the dyeability of blended fibers polypropylene and terpolymer acrylonitrile-butadiene-styrene and/or polypropylene and polystyrene, respectively are presented in this paper. Modified polypropylene fibers fix the dyestuffs much better and have lower tenacity according to the amount of the additive.
M. Kristofic +3 more
openaire +1 more source
Fractographic characterization of isotactic polypropylene fibers
Microscopy Research and Technique, 2020AbstractIn this article we present an opto‐thermo‐mechanical characterization of isotactic polypropylene monofilament during failure by fracture. The digital photoelasticity, the two‐beam Pluta polarising interference microscope and the computed tomography are used to provide quantitative data and visual models of the fracture regions of isotactic ...
Taha Z. N. Sokkar +3 more
openaire +2 more sources
Failure of polypropylene fibers
Fibre Chemistry, 1984A quantitative definition of the highly elastic deformation built up in extension of polypropylene fiber has been proposed.
V. D. Fikhman +2 more
openaire +1 more source
Effects of reinforcing fibers on the crystallization of polypropylene
Polymer Engineering & Science, 2000AbstractThe effects of the incorporation of different types of fibers on the crystallization kinetics and thermodynamics of isotactic polypropylene (iPP) are investigated. The study is mainly performed by thermal analysis, both in isothermal and constant cooling rate conditions, utilizing differential scanning calorimetry (DSC).
Lopez Manchado M. A. +3 more
openaire +2 more sources
Bagasse Fiber-Polypropylene Based Composites
Journal of Thermoplastic Composite Materials, 1999Processing and properties of bagasse fiber-polypropylene composites are reported. Four different chemical treatments of the vegetal fibers were performed in order to improve interface adhesion with the thermoplastic matrix: namely isocyanate, acrylic acid, mercerization, and washing with alkaline solution were applied.
Vazquez A. +2 more
openaire +2 more sources