Polymer Fibers, used as brush filaments


Polymer fibers are a subset of man-made fibers, which are based on synthetic chemicals (often from petrochemical sources) rather than arising from natural materials by a purely physical process.These fibers are made from:
Polyamide nylon
PET or PBT polyester
Phenol-formaldehyde (PF)
Polyvinyl alcohol fiber (PVA)
Polyvinyl chloride fiber (PVC)
Polyolefins (PP and PE)

Acrylic polyesters, pure polyester PAN fibers are used to make carbon fiber by roasting them in a low oxygen environment. Traditional acrylic fiber is used more often as a synthetic replacement for wool. Carbon fibers and PF fibers are noted as two resin-based fibers that are not thermoplastic, most others can be melted.

Aromatic polyamids (aramids) such as Twaron, Kevlar and Nomex thermally degrade at high temperatures and do not melt. These fibers have strong bonding between polymer chains
polyethylene (PE), eventually with extremely long chains / HMPE (e.g. Dyneema or Spectra).

Elastomers can even be used, e.g. spandex although urethane fibers are starting to replace spandex technology.

Polyurethane fiber

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