man-made fibre: Quick Facts

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Facts

Also Known As	human-made fibre

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Figure 1: Three common polymer structures. The linear, branched, and network architectures are represented (from top), respectively, by high-density polyethylene (HDPE), low-density polyethylene (LDPE), and phenol formaldehyde (PF). The chemical structure and molecular structure of highlighted regions are also shown.

A step-by-step diagram shows the wet spinning process for polymeric fibers, beginning with a polymer solution pumped through a filter into a spin bath, forming fibers via a spinnerette. The fibers move through stages labeled coagulating, stretching, washing in a wash tank, applying fiber finish, and drying on heated drum rolls. The finished fibers are either wound into a take-up package or cut into pieces. Arrows and labels indicate solvent diffusion and each stage of the process.

Figure 2: Stages in the melt spinning of polymeric fibres.

examples of textured yarns

Know how polymer fibers can help to deliver optical signals or drugs directly into the brain and record the activity in the neurons

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cigar. cigars. Hand-rolled cigars. Cigar manufacturing. Tobacco roller. Tobacco leaves, Tobacco leaf

Building Blocks of Everyday Objects