نتایج جستجو برای: spinning fibers

تعداد نتایج: 80010  

2016
Silvia Simone Carmela Conidi Claudia Ursino Alfredo Cassano Alberto Figoli

Press liquors are typical by-products of the citrus juice processing characterized by a high content of organic compounds and associated problems of environmental impact, which imply high treatment costs. However, these wastes contain a great number of health promoting substances, including fibers, carotenoids and phenolic compounds (mainly flavonoids), whose recovery against waste-destruction ...

E. Afra R. Dashtbani,

One of the main issues of nanotechnology is producing materials with new properties. Nanotechnology, as a powerful tool, has the ability to create evolution in the agricultural system and food–medicinal industries across the world. Producing a high-performance material from reclaimed cellulose material will increase motivation to recycle these materials at all phases of paper production and rem...

E. Afra R. Dashtbani,

One of the main issues of nanotechnology is producing materials with new properties. Nanotechnology, as a powerful tool, has the ability to create evolution in the agricultural system and food–medicinal industries across the world. Producing a high-performance material from reclaimed cellulose material will increase motivation to recycle these materials at all phases of paper production and rem...

2017
Yogesh S. Deshmukh Wenqing Liu Yefeng Yao Han E.H. Meijer Sanjay Rastogi

In this work we report on the processing, melt-drawing, and performance of new vanillic acid based aliphatic-aromatic thermotropic polyesters. It is demonstrated that these materials are easily processed from their nematic melts yielding highly oriented products. Furthermore, we demonstrate that a molecular weight (Mw) of roughly 30 kg/mol is required in order to successfully perform spinning o...

2004
B. R. BASSETT

A new high speed and potentially economical method of creating a composite material and structures therefrom is tested. The method consists of spinning composite fibers from a melt blend of a thermoplastic with a liquid crystal polymer (LCP). Discontinuous fibrils of the LCP are formed in situ during the spinning process. These composite fibers are aligned and placed in a mold and heated to mel...

2014
Bahareh Azimi Parviz Nourpanah Mohammad Rabiee Shahram Arbab

Poly (ε-caprolactone), (PCL) or simply polycaprolactone as it is usually referred to, is a synthetic biodegradable aliphatic polyester which has attracted considerable attention in recent years, notably in the biomedical areas of controlled-release drug delivery systems, absorbable surgical sutures, nerve guides, and three-dimensional (3-D) scaffolds, for use in tissue engineering. Various poly...

Journal: :Fibers 2022

Spinning of cellulosic fibers requires the prior dissolution cellulose. 3-Alkyl-1-methylimidazolium ionic liquids have proven to be suitable solvents for that purpose, but degradation cellulose in spinning dope can severe. Suitable stabilizers are therefore required prevent degradation, do not adversely affect spinnability or long-term yellowing behavior fibers. A group twelve renewables-based ...

Journal: :Sustainable Materials and Technologies 2022

Pliable and water-resistant protein fibers from feathers were developed via continuous one-step spinning crosslinking using sucrose-tetra-aldehydes. Though flexible developed, poor wet stability low tenacity still limit the large high-end applications of feather-derived fibers. Despite that saccharide aldehydes are considered as an efficient sustainable crosslinker, substantial concerns such ge...

Journal: :Autex Research Journal 2021

Abstract Lateral compact spinning with pneumatic groove is a process to gather fibers by common actions of airflow and mechanical forces. Compared ring spinning, it can more effectively reduce yarn hairiness enhance strength. However, fiber motion in the agglomeration area complex. And, important establish new model accurately describing motion. The objectives this research were create simulate...

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