A kind of anti-drilling fleece fabric containing polylactic acid fiber
A polylactic acid fiber, anti-drilling down technology, applied in fiber treatment, plant fiber, fabric surface trimming, etc., can solve the problems of poor environmental protection, unstable anti-drilling effect, etc., and achieve the effect of preventing down drilling.
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[0018] The preparation method of the anti-drilling fleece fabric includes the following steps in order: warping → sizing → weaving → normal temperature stacking → first hot water washing → refining, bleaching, desizing → second hot water washing → softness and shaping → Anti-drilling down calendering treatment→normal temperature pre-shrinking, the anti-drilling down calendering treatment process is to make the polylactic acid fiber form an anti-drilling down film layer on the reverse side of the fabric through hot pressing.
[0019] Polylactic acid fiber has excellent biocompatibility and biodegradability. Its fiber strength is slightly lower than that of polyester fiber, its resilience performance is good, and its initial modulus is smaller than that of polyester fiber. Therefore, polylactic acid fiber fabrics are softer and more skin-friendly than polyester fibers. , while polylactic acid fiber has good antibacterial function. The combination of polylactic acid and Tencel fi...
Embodiment 1
[0029] The warp yarn of the fabric is 40S tencel, and the weft yarn of the fabric is 150D polylactic acid filament, which is composed of 144 single fibers. The fabric weaving specification is 40S*150D / 150*120, and the fabric weave is five pieces of three-flying satin weave.
[0030] Gray cloth washing process conditions temperature is 95 ℃, time is 20min. In the refining, bleaching and desizing processes, the technological parameters are 5 g / L of soda ash, 10 g / L of hydrogen peroxide, 5 g / L of chelating agent, and 5 g / L of hydrogen peroxide stabilizer.
[0031] After the pre-treatment of the fabric, soft setting is carried out, wherein the setting temperature is 90°C and the time is 3 minutes.
[0032] In order to achieve the anti-drilling performance of the fabric, the reverse side of the fabric is hot-pressed by using a combination of metal rollers and rubber rollers. The temperature is 120°C, the speed is 30m / min, and the pressure is 6kg.
[0033] The pre-shrinking proces...
Embodiment 2
[0035]The warp yarn of the fabric is 80S tencel, and the weft yarn of the fabric is 50D polylactic acid filament, which is composed of 48 single fibers. The fabric weaving specification is 80S*50D / 230*180, and the fabric weave is five pieces of three-flying satin weave. Gray cloth washing process conditions temperature is 80 ℃, time is 10min. The technological parameters in the refining, bleaching and desizing processes are 3 g / L of soda ash, 8 g / L of hydrogen peroxide, 4 g / L of chelating agent, and 3 g / L of hydrogen peroxide stabilizer.
[0036] After the pre-treatment of the fabric, soft setting is carried out, wherein the setting temperature is 80°C and the time is 1 min.
[0037] In order to achieve the anti-drilling performance of the fabric, the reverse side of the fabric is hot-pressed by using a combination of metal rollers and rubber rollers. The temperature is 110°C, the speed is 40m / min, and the pressure is 4kg.
[0038] The pre-shrinking process of the fabric is ...
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