HECOL170 Lecture Notes - Lecture 17: Stainless Steel, Modacrylic, Nylon
13 Jul 2018
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Document Summary
Tow is crimped and converted into staple by cutting or breaking to the desired length: additives to the bre can be added in its liquid form (delustrants, stabilizers, antimicrobials) Tend to be more durable when added in the liquid form, embedded in the bre. If added after - more likely to wash out in laundering, rubbed away, Melt spinning: nylon, ole n, polyester, saran, steps: resin solids are melted in autoclave - melt chips. Wet spinning: acrylic, lyocell, rayon, spandex, steps: raw material is dissolved by chemicals. Bre modi cation parent bre - bre in its simplest, unmodi ed form. Often sold as a commodity bre by generic name only modi cations to the parent bre might be sold under trade name. Any texture to laments is going to make more lament able to bind together with other. Bres, makes it more cohesive: heat setting - helps control shrinkage in thermoplastic bres.
