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The material composition and development of spinneret
2020-09-07 | 613Hit
In terms of The materials used for spinneret, according to The characteristics of different polymers and different spinning technology, spinneret USES different materials, such as yellow and white gold, tantalum, stainless steel of different grades and other rare metals. Spinneret is also called spinning cap. The function of spinneret is to convert viscous polymer melt or solution into a fine flow with specific cross section through micropores, and form filaments after solidification medium such as air or solidification bath. According to the type and specification of fiber, there are different specifications, shapes, passes, materials, etc. Spinneret works at high temperature and pressure. Pressure resistance, corrosion resistance and adequate mechanical strength are required.

Spinneret can be divided into:

(1) Ordinary type, which can be divided into melt spinning spinneret (its shape is round, rectangle, sector) and wet spinning spinneret (also known as spinneret);

(2) Special-shaped spinneret, the section of spun fiber is non-circular;

(3) Composite spinneret to produce composite fiber. Different materials bring different processing techniques. The surface processing of spinneret and spinneret includes pure tantalum coating (interpretation: when light enters different transfer substances), gold, platinum and alloy coating. Spinneret by polishing mirror, grinding black surface, ultra-black surface and other different surface processing technology.

The role of a spinneret is to convert a viscous polymer melt or solution into a fine flow with a specific cross section through micropores, and form filaments after solidification medium (the decisive substance) such as air or solidification bath. Spinneret is also called spinning cap. The function of spinneret is to convert viscous polymer melt or solution into a fine flow with specific cross section through micropores, and form filaments after solidification medium such as air or solidification bath. According to the type and specification of fiber, there are different specifications, shapes, passes, materials, etc. Spinneret works at high temperature and pressure. Pressure resistance, corrosion resistance and adequate mechanical strength are required. According to The type and specification of The fiber, there are different specifications, shapes, passes, The material, etc. The spinneret shall work at a high temperature and pressure. Pressure, corrosion resistance and sufficient mechanical strength are required.

Spinnerets, developed in response to the development of the chemical Fiber industry, are only a few decades old. The development of spinnerets and spinnerets in China still has considerable Space. On the other hand, we can see the gap in China's spinneret and spinneret production. Among them, the more obvious problems are the varieties, quality, material selection, Processing accuracy, technical level, quality control and service required by technology in the spinning process. This is not only the performance gap of domestic and foreign products, but also the direction of domestic enterprises' efforts in the future.
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