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2. DREF friction spinning - Wikipedia

   en.wikipedia.org/wiki/Dref_Friction_Spinning

   Friction spinning or DREF spinning is a textile technology that is suitable for spinning coarse counts of yarns and technical core-wrapped yarns. DREF yarns are bulky with low tensile strength, making them suitable for blankets and mop yarns. They can be spun from asbestos, carbon fibres and are capable of being made into filters for water systems.

3. Hydroentanglement - Wikipedia

   en.wikipedia.org/wiki/Hydroentanglement

   Hydroentanglement is a bonding process for wet or dry fibrous webs made by either carding, airlaying or wet-laying, the resulting bonded fabric being a nonwoven.It uses fine, high pressure jets of water which penetrate the web, hit the conveyor belt (or "wire" as in papermaking conveyor) and bounce back causing the fibres to entangle.

4. Staple (textiles) - Wikipedia

   en.wikipedia.org/wiki/Staple_(textiles)

   For instance, in a cotton polyester core-spun yarn, cotton wraps around a polyester filament yarn. Similarly, core-spun cotton spandex is a yarn in which cotton fibers are twisted around a spandex yarn and covers the core yarn and are primarily used in denim types. Plying two or more core-spun yarns are used for making core-spun threads.

5. Spinning (polymers) - Wikipedia

   en.wikipedia.org/wiki/Spinning_(polymers)

   A spinning solution consisting of polymer and a volatile solvent is extruded through a spinneret into an evaporating chamber. A stream of hot air impinges on the jets of spinning solution emerging from the spinneret, evaporating the solvent, and solidifying the filaments.

6. Electrospinning - Wikipedia

   en.wikipedia.org/wiki/Electrospinning

   Electrospun fibers can adopt a porous or core–shell morphology depending on the type of materials being spun as well as the evaporation rates and miscibility for the solvents involved. For techniques which involve multiple spinning fluids, the general criteria for the creation of fibers depends upon the spinnability of the outer solution. [ 29 ]

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