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Melt spinning is a metal forming technique that is typically used to form thin ribbons of metal or alloys with a particular atomic structure. [ 1 ] Some important commercial applications of melt-spun metals include high-efficiency transformers ( Amorphous metal transformer ), sensory devices, telecommunications equipment, and power electronics.
The direct spinning process avoids the stage of solid polymer pellets. The polymer melt is produced from the raw materials, and then from the polymer finisher directly pumped to the spinning mill. Direct spinning is mainly applied during production of polyester fibers and filaments and is dedicated to high production capacity (>100 ton/day).
Melt electrospinning is a processing technique to produce fibrous structures from polymer melts for applications that include tissue engineering, textiles and filtration. In general, electrospinning can be performed using either polymer melts or polymer solutions.
1) Melt spinning is the method of forming fibers through the rapid cooling of a melt; due to the fast rates of cooling, the mesophase pitch is able to become highly oriented. Mesophase pitch can be melt spun, but because of its flow characteristics the process can be difficult. [7]
HFM production, commonly referred to as "spinning", can be divided into four general types: Melt Spinning, in which a thermoplastic polymer is melted and extruded through a spinneret into air and subsequently cooled. [3] Dry Spinning, in which a polymer is dissolved in an appropriate solvent and extruded through a spinneret into air. [4]
Before drawing, polymer melt is pushed through a die with a large number of small holes, known as a spinneret. Typically, the fibers are air cooled without any need for curing. If curing is needed, two methods are available: dry and wet spinning. In wet spinning, the polymer is dissolved and extruded through a spinneret into a chemical bath.
While this whipped cream did melt fairly rapidly for many editors over time, it was still quite pleasant to taste even after deflating. "Like melted ice cream," one editor said. Tubs
Electrospinning is a fiber production method that uses electrical force (based on Electrohydrodynamic [1] principals) to draw charged threads of polymer solutions for producing nanofibers with diameters ranging from nanometers to micrometers. Electrospinning shares characteristics of both electrospraying and conventional solution dry spinning ...