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Monofilament yarn
Long continuous single fibers. For example, a filament formed by a chemical fiber single hole spinneret. The practical range of monofilament yarns is limited, and it is used only for nylon socks, headscarves and the like.
2. Multifilament yarn
Two or more monofilament yarns that are combined together again. For example, a few strands of raw silk that have been twisted together by a twisted wire, chemical fibers are merged together by several filaments from one spinneret.
3. Silk
Multifilament yarns are twisted and twisted.
4. Composite thread
The twisted wire is passed through one or more times and combined with twisted composite wire.
5. Deformation yarn
Straight, smooth chemical fiber strands are deformed and processed to exhibit bulky, stretchable properties such as curls, loops, and spirals, and such filament yarns become textured yarns.
Although the textured yarn is still a filament yarn, it has a style similar to that of a spun yarn, which can be Woven into a fabric similar to a natural fiber. The fabric is shiny and soft, full of handle, absorbent, breathable, soft, warm, and comfortable. has improved.
Deformed silk is divided into two types: one is mainly elastic, which is called elastic yarn. Its characteristic is that it can recover quickly after being stretched; the other is mainly fluffy, mainly composed of air-deformed silk, grid wire and so on.
(1) Elastic filament: It is divided into two kinds: high elastic filament and low elastic filament. High stretch yarn has excellent elastic deformation and recovery ability, elongation is greater than 100%, and fluffy, generally made of nylon filament, is mainly used for high elasticity fabrics such as swimwear and hosiery. Low elasticity yarns have moderate elasticity, slightly bulky, generally less than 30% elongation, mostly made of polyester filaments, as well as nylon filaments and polypropylene filaments. Polyester low elastic yarn is mostly used for outerwear and interior decorative fabrics, and nylon and polypropylene low elasticity yarns are mostly used for home fabrics.
(2) Air textured yarns and network yarns: The main features are high bulkiness and flexibility. These two types of silk are mainly used for fabrics that require high bulkiness.
Air-deformation yarns and web yarns are produced using air-deformation.
1 Air-deformed silk: The overfeed of the raw silk into the nozzle is under the impact of high-pressure vortex air flow in the relaxed state. The monofilament in the tow is loosened and loosened, and the turbulence is entangled into irregular loops to form air deformation. wire.
2 network wire: control the original silk under a certain tension under the pressure of the high-frequency compressed air blow, the monofilaments entangled with each other to form a tight network of points, due to the use of high-frequency compressed air flow, so in the length direction of the filament yarn A certain pitch periodically presents network points, and such filament yarns become network filaments.
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Filament yarn