Special-shaped flattened rayon spinning technique
A spinning process and rayon technology, which is used in textiles and papermaking, filament/thread forming, fiber processing, etc., can solve the problems of inability to produce flat, untwisted, large-denier rayon, etc., and achieves good response quality, Large denier, easy to use effect
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Embodiment 1
[0048] Example 1: 4000D
[0049] The metering pump is a 3.5ml / min double metering pump, the rubber supply hose adopts double rubber supply hoses, the filter on the curved pipe adopts a butterfly filter, the immersion length is 650mm, and the positioning level of the curved pipe on the acid bath is level 1. The filament fineness is 4440dtex / 1F, the unfolded width of the film tape is 40±6mm, and the thickness is 0.01-0.04mm. The dry breaking strength is 0.75-2.0CN / dtex, the dry breaking elongation is 12-20%, and the residual sulfur is ≤10mg / 100g silk.
Embodiment 2
[0050] Example 2: 2000D
[0051] For the metering pump of 3.5ml / min, the filter on the curved pipe adopts a butterfly filter with an immersion length of 600mm, and the positioning level of the curved pipe on the acid bath is 2. The filament fineness is 2222dtex / 1F, the unfolded width of the film tape is 20±3mm, and the thickness is 0.01-0.04mm. The dry breaking strength is 0.8-0.2CN / dtex, the dry breaking elongation is 12-20%, and the residual sulfur is ≤10mg / 100g silk.
Embodiment 3
[0052] Example 3: 1100D
[0053] For metering pumps with a metering pump of 2.0ml / min, the filter on the curved tube is a butterfly filter with an immersion length of 550mm, and the positioning level of the curved tube on the acid bath is 3. The filament fineness is 1222dtex / 1F, the unfolded width of the film tape is 11±2mm, and the thickness is 0.01-0.04mm. The dry breaking strength is 0.9-0.2CN / dtex, the dry breaking elongation is 12-20%, and the residual sulfur is ≤10mg / 100g silk.
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