Results 171 to 180 of about 7,024 (232)
Preparation of Double-Layer Composite Coffee Filtration Nonwovens. [PDF]
Polymers (Basel)Zhao L, Yang Y, Wang Y, Yan Z, Zhang R.
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Study on Preparation of Regenerated Cellulose Fiber from Biomass Based on Mixed Solvents. [PDF]
Materials (Basel)Xiao J, Li P, Zhang X, Wang X.
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Conductive polypyrrole/viscose fiber composites
Carbohydrate Polymers, 2015Polypyrrole (PPy) was polymerized with pyrrole (Py) as the monomer, FeCl3 as an oxidant and sodium dodecyl benzene sulfonate (SDBS) as the dopant on the surface of viscose fiber (VCF) to prepare the conductive PPy/VCF composites. Fourier transform infrared spectra (FT-IR), thermal gravimetric analysis (TGA) and X-ray photoelectron spectroscope (XPS ...
Ning, Wang +4 more
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Cellulose, 2014
In this study, a new xylan enriched viscose fiber was developed. A high molecular weight xylan with a degree of polymerization of 150–200 was added during a late stage of the viscose production process. The xylan deriving from a cold caustic extraction (CCE) of an eucalypt paper pulp was introduced to the process after xanthation and thus neither ...
Gabriele Schild, Eva Liftinger
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In this study, a new xylan enriched viscose fiber was developed. A high molecular weight xylan with a degree of polymerization of 150–200 was added during a late stage of the viscose production process. The xylan deriving from a cold caustic extraction (CCE) of an eucalypt paper pulp was introduced to the process after xanthation and thus neither ...
Gabriele Schild, Eva Liftinger
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Optical fiber-based fluorescent viscosity sensor
Optics Letters, 2006Molecular rotors are a unique group of viscosity-sensitive fluorescent probes. Several recent studies have shown their applicability as nonmechanical fluid viscosity sensors, particularly in biofluids containing proteins. To date, molecular rotors have had to be dissolved in the fluid for the measurement to be taken.
Mark A, Haidekker +3 more
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Viscosity of fluoride glass fibers for fused component fabrication
Applied Optics, 2022Fluoride glasses show great promise for mid-IR fiber-based applications. Their brittleness and low glass transition temperature have thus far been obstacles towards obtaining low-loss fused components. Here, we suggest a simple method to measure glass viscosity over a range of process temperatures of interest for fused coupler ...
Édith Ducharme +4 more
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Producing of Carbon Fibers from Commercial Viscose Fibers
Applied Mechanics and Materials, 2019In this work, commercial Viscose fibers (cellulosic based precursor) were used for making carbon fibers. The experimental procedures include two main steps: Stabilization in air atmosphere and Carbonization in inert gas atmosphere. In the first step, the Viscose fibers are stabilized with the catalyst of mixture urea/diamonium hydrogen phosphate in air
Huu Son Nguyen +4 more
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Viscosity of silica core optical fiber
Journal of Non-Crystalline Solids, 1999Abstract Since we found that Rayleigh scattering of silica core optical fiber can be reduced by heat treatment, we studied the viscosities of the fiber to investigate this phenomenon from the viewpoint of viscous relaxation. To this end, the viscosity of silica core fiber was measured by the bending method in a temperature range of 1050–1200°C.
S. Sakaguchi, S. Todoroki
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Dissolving waste viscose to spin cellulose fibers
Polymer, 2021Abstract In recent years, the recycling of waste products has aroused widespread concern. For quality assurance and unpredictable accident, many viscose films or fibers were thrown away as offal, resulting in the waste of resources and environmental problems.
Yanan Li +5 more
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Fibers made from concentrated viscose solutions
Journal of Applied Polymer Science, 1992AbstractCellulose xanthate solutions with α‐cellulose content from 9 to 14% were obtained and their properties were examined. It has been found that viscoses containing urea are more stable and possess lower viscosity as compared with conventional viscoses.
B. Laszkiewicz, P. Wcislo, J. A. Cuculo
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