diff --git a/img/applications.JPG b/img/applications.JPG new file mode 100644 index 0000000000000000000000000000000000000000..3204ec01b9ef77162520d2dc89227e51ccae6a5f Binary files /dev/null and b/img/applications.JPG differ diff --git a/img/current-art.JPG b/img/current-art.JPG new file mode 100644 index 0000000000000000000000000000000000000000..69d5aa8df33816e31b82ea8ff5edfedfc208efb5 Binary files /dev/null and b/img/current-art.JPG differ diff --git a/img/electrospinning-amazing-video-smaller.mp4 b/img/electrospinning-amazing-video-smaller.mp4 new file mode 100644 index 0000000000000000000000000000000000000000..0ffe7eab70816e64c27272bf83115fad4252bb18 Binary files /dev/null and b/img/electrospinning-amazing-video-smaller.mp4 differ diff --git a/index.html b/index.html index 00d93fd162ef7c7179bc2eb6dacada4f73cc9f2d..edb2959e542c7c4398a2570640e0edb15588ed21 100644 --- a/index.html +++ b/index.html @@ -79,10 +79,39 @@ </p> <hr> - <h2>B. Process: Solution or Melt Electrospinning</h2> + <h2>B. Process: Electrospinning</h2> + <br> + <p class = "lead text-justify"> + The Electrospinning process is based on the electrohydrodynamics phenomenon, where a material substrate loaded within a syringe + with a charged needle tip attached pointing towards a grounded collector is extruded and subsequenlly stretched using a high volatage potential. + Assuming that the material substrate is viscoelastic enoough and as soon as the electrostatic stresses overcome the surface tension + of the material, fibers in a chaotic motion are deposited on teh collector. The fiber formation mechanism is shown in the video below: + </p> + + <br> + <div class="embed-responsive embed-responsive-1by1"> + <iframe class="embed-responsive-item" src="img/electrospinning-amazing-video-smaller.mp4"></iframe> + </div> + <br> + + <p class="lead text-justify"> + The two main types of electrospinning process are: a) solution electrospinning and b) melt electropsinning. + This classification is based on the material form used for processing with SES using polymer solution (pellets/powder + mixed with solvent) and MES using pure polymer melt without any chemical solvents. THe 3 main common components + for both processes are: a) extrusion device that can be either mechanical using a syringe pump or pneumatic, + b) a high-voltage power supply and c) a collector that in the most basic setup is a flat grounded aluminum plate. + </p> + <br> <img src="img/ses-vs-mes.PNG" class="rounded mx-auto d-block" width="80%"> <br> + + <p class="lead text-justify"> + D0ifferent types of extrusion, nozzles and collectors assembled either in horizontal or vertical configuarations have been + reported in the literature leading to different types of electrospinning processes. Each electrospinning process has advantages + and disadvantages depending on the application. + </p> + <hr> <h2>C. FAB-ES Machine Collection</h2>