Thermochromic polyester fiber and preparation method thereof
A thermochromic and polyester fiber technology, which is applied in fiber treatment, fiber chemical characteristics, single-component polyester rayon, etc., can solve the problems of affecting the performance of textiles, limiting the application range of thermochromic materials, etc. A wide range of effects that add interest
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[0030] Example 1
[0031] Prepare color masterbatch that can change from red to colorless at about 37°C. Then dry the thermochromic masterbatch at 80°C for 2 hours, and dry the polyester resin chip at 120°C for 4 hours. Then weigh the thermochromic masterbatch 3%, core material 60% polyester, and skin layer polyester. Resin 40%. It is mixed uniformly, melt-spinning, drawing, stretching and winding into silk. The spinning speed is 900m / min, and the temperature of each zone of the spinning machine is as follows: Zone 1, 250°C; Zone 2, 255°C; Zone 3, 260°C; Zone 4, 265°C; head temperature 265°C, host speed 12r / min , The pulling speed is 4000r / min, and finally a polyester fiber that can change from red to colorless at 37°C is obtained.
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[0032] Example 2
[0033] Prepare a thermochromic masterbatch capable of changing from golden yellow to fluorescent yellow at about 27°C. Then the thermochromic masterbatch was dried at 80℃ for 2 hours, the polyester resin chip was dried at 120℃ for 4 hours, and then 3% thermochromic masterbatch was weighed, the core material polyester resin was 50%, and the skin layer was polymerized. Ester resin 40%, antistatic agent 0.5%, mix the temperature-sensitive color masterbatch and the core material polyester resin uniformly, mix the antistatic agent and the skin layer uniformly, and then melt-spin, draw, stretch, and wind into silk . The spinning speed is 880m / min, and the temperature of each zone of the spinning machine is as follows: zone one, 235℃; zone two, 255℃; zone three, 265℃; zone four, 270℃; head temperature 270℃, host speed 13r / min , The pulling speed is 3800r / min, and finally a polyester fiber that can change from golden yellow to fluorescent yellow at about 27°C is obta...
Example Embodiment
[0034] Example 3
[0035] Prepare thermochromic powder that can change from purple to blue at about 30°C. Dry the thermochromic masterbatch at 90°C for 2.5 hours, and dry the polyester resin chip at 100°C for 5 hours. Then weigh 5% of the thermochromic masterbatch, 40% core material polyester resin, and skin layer polyester. Resin 45%, antistatic agent 0.5%, the core material and temperature-sensitive color masterbatch are mixed uniformly, melt-spinning according to the sheath-core structure, drawing, stretching, and winding into silk. The spinning speed is 1000m / min, and the temperature of each zone of the spinning machine is as follows: zone one, 245℃; zone two, 255℃; zone three, 265℃; zone four, 270℃; head temperature 270℃, host speed 13r / min , The pulling speed is 3500r / min, and finally a polyester fiber that can change from purple to blue-yellow at about 30°C is obtained.
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