Mechanical aspects of fibre spinning process in molten polymers

1960 ◽  
Vol 171 (2) ◽  
pp. 111-119 ◽  
Author(s):  
Andrzej Ziabicki ◽  
Krystyna Kedzierska
Keyword(s):  
Spinning Process ◽  
Fibre Spinning ◽  
Molten Polymers

Mechanical aspects of fibre spinning process in molten polymers

1960 ◽  
Vol 171 (1) ◽  
pp. 51-61 ◽  
Author(s):  
Andrzej Ziabicki ◽  
Krystyna Kedzierska
Keyword(s):  
Spinning Process ◽  
Fibre Spinning ◽  
Molten Polymers

scholarly journals Cribellate thread production as model for spider’s spinneret kinematics

2021 ◽  
Author(s):  
Margret Weissbach ◽  
Marius Neugebauer ◽  
Anna-Christin Joel
Keyword(s):  
Molecular Structure ◽  
Mechanical Properties ◽  
Fibre Type ◽  
Material Science ◽  
Spider Silk ◽  
Functional Unit ◽  
Material Strength ◽  
Spinning Process ◽  
Fibre Spinning ◽  
House Spider

AbstractSpider silk attracts researchers from the most diverse fields, such as material science or medicine. However, still little is known about silk aside from its molecular structure and material strength. Spiders produce many different silks and even join several silk types to one functional unit. In cribellate spiders, a complex multi-fibre system with up to six different silks affects the adherence to the prey. The assembly of these cribellate capture threads influences the mechanical properties as each fibre type absorbs forces specifically. For the interplay of fibres, spinnerets have to move spatially and come into contact with each other at specific points in time. However, spinneret kinematics are not well described though highly sophisticated movements are performed which are in no way inferior to the movements of other flexible appendages. We describe here the kinematics for the spinnerets involved in the cribellate spinning process of the grey house spider, Badumna longinqua, as an example of spinneret kinematics in general. With this information, we set a basis for understanding spinneret kinematics in other spinning processes of spiders and additionally provide inspiration for biomimetic multiple fibre spinning.

Dependence of acetate fibre spinning process on the form and disposition of the spinneret holes

1982 ◽  
Vol 13 (4) ◽  
pp. 241-243
Author(s):  
Kh. U. Makhsudkhanov ◽  
L. K. Askarkhodzhaeva ◽  
M. T. Primkulov ◽  
T. I. Ryabinina ◽  
Z. D. Tul'guk ◽  
...  
Keyword(s):  
Acetate Fibre ◽  
Spinning Process ◽  
Fibre Spinning

Dependence of acetate fibre spinning process on the form and disposition of the spinneret holes

1981 ◽  
Vol 13 (4) ◽  
pp. 241-243
Author(s):  
Kh. U. Makhsudkhanov ◽  
L. K. Askarkhodzhaeva ◽  
M. T. Primkulov ◽  
T. I. Ryabinina ◽  
Z. D. Tul'guk ◽  
...  
Keyword(s):  
Acetate Fibre ◽  
Spinning Process ◽  
Fibre Spinning

scholarly journals Monitoring System for the Formation Process Line of PAN Composite Fibres

2020 ◽  
Vol 28 (1(139)) ◽  
pp. 26-35
Author(s):  
Iwona Karbownik ◽  
Tomasz Rybicki
Keyword(s):  
Monitoring System ◽  
Process Parameters ◽  
Measurement Data ◽  
Digital Data ◽  
Practical Implementation ◽  
Triphenyltetrazolium Chloride ◽  
Specific Strength ◽  
Spinning Process ◽  
Fibre Spinning ◽  
Process Line

The aim and scope of this work included the design and practical implementation of a digital monitoring system for the polyacrylonitrile (PAN) fibre spinning process line used for the creation of different PAN based fibres doped with silver (Ag), polyaniline (PANI), carbon nanotubes (CNT) and 2,3,5-triphenyltetrazolium chloride (TTC). After the collecting and processing of process parameters, including bath temperatures and the rotational speed of the feeding-receiving points, available in the form of digital data, they were compared with the appearance of fibres obtained (their surface structure and cross-section shape) and with the results of the fibre specific strength (WtP). Archiving of speed and temperature measurement data allowed to create a database combining the process parameters with the parameters of the fibres obtained. Online monitoring of the parameters enabled programmable change of the speed and temperature in important parts of the process in order to develop appropriate production profiles.

Needle-disk Electrospinning: Mechanism Elucidation, Parameter Optimization and Productivity Improvement

2020 ◽  
Vol 14 (1) ◽  
pp. 46-55 ◽  
Author(s):  
Zhi Liu ◽  
Lei Zhou ◽  
Fangtao Ruan ◽  
Anfang Wei ◽  
Jianghui Zhao ◽  
...  
Keyword(s):  
Parameter Optimization ◽  
Low Voltage ◽  
Rotation Velocity ◽  
Needle Length ◽  
Productivity Improvement ◽  
Voltage Supply ◽  
Nanofiber Morphology ◽  
Disk Rotation ◽  
Industrial Employment ◽  
Spinning Process

Background: Nanofiber’s productivity plagues nanofibrous membranes’ applications in many areas. Herein, we present the needle-disk electrospinning to improve throughput. In this method, multiple high-curvature mentals are used as the spinning electrode. Methods: Three aspects were investigated: 1) mechanism elucidation of the needle-disk electrospinning; 2) parameter optimization of the needle-disk electrospinning; 3) productivity improvement of the needle-disk electrospinning. Results: Results show that high-curvature electrode evokes high electric field intensity, making lower voltage supply in spinning process. The needle number, needle length and needle curvature synergistically affect the spinning process and nanofiber morphology. Additionally, higher disk rotation velocity and higher voltage supply can also result in higher nanofiber’s productivity. Conclusion: Compared with previous patents related to this topic, the needle-disk electrospinning is featured with the merits of high throughput, low voltage supply, controllable spinning process and nanofiber morphology, benefiting the nanofiber practical industrial employment and further applications of nanofiber-based materials.

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