Method for preparing polyester micro/nano-fibre non-woven material
A technology of non-woven materials and nanofibers, applied in non-woven fabrics, cellulose/protein conjugated artificial filaments, fiber processing, etc. The problem of low efficiency of the silk method is achieved, and it is easy to realize large-scale production, the filtration and adsorption effect is remarkable, and the effect is universal.
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Embodiment 1
[0023] 1900 grams of cellulose acetate butyrate and 100 grams of polyethylene terephthalate are dried in an oven, and after the two are blended, they are melt-spun and wound on a twin-screw spinning machine to obtain polyethylene terephthalate / Cellulose acetate butyrate multicomponent blend fiber. Spinning temperature: 250°C; spinneret: 36×0.3mm; cooling condition: medium ring blowing; winding speed: 500m / min. The cellulose acetate butyrate in the multi-component blended fiber is dissolved in acetone to obtain polyethylene terephthalate micro / nano fiber assembly, and the diameter range of the nano fiber is 50-500nm observed by a scanning electron microscope. The prepared polyethylene terephthalate micro / nano fiber aggregates are collected, opened and carded to form a fluffy fiber web, and reinforced by spunlace to obtain polyethylene terephthalate micro / nano fiber nonwoven materials . The process conditions of spunlace are: the hole diameter of the water spray plate is 0.0...
Embodiment 2
[0025] 1800 grams of cellulose acetate butyrate and 200 grams of polyethylene terephthalate are dried in an oven, and the two are blended and then melt-spun and wound on a twin-screw spinning machine to obtain polyethylene terephthalate / Cellulose acetate butyrate multicomponent blend fiber. Spinning temperature: 260°C; spinneret: 36×0.3mm; cooling condition: medium ring blowing; winding speed: 800m / min. The cellulose acetate butyrate in the multi-component blended fiber is dissolved in acetone to obtain a polyethylene terephthalate continuous micro / nano fiber assembly, and the diameter range of the nano fiber is 50-500nm observed by a scanning electron microscope. The prepared polyethylene terephthalate micro / nano fiber aggregates are collected, opened and carded to form a fluffy fiber web, and reinforced by spunlace to obtain polyethylene terephthalate micro / nano fiber nonwoven materials . The process conditions of spunlace are: the hole diameter of the water spray plate ...
Embodiment 3
[0027] 1400 grams of cellulose acetate butyrate and 600 grams of polyethylene terephthalate are dried in an oven, and the two are blended, melt-spun and wound on a twin-screw spinning machine to obtain polyethylene terephthalate / Cellulose acetate butyrate multicomponent blend fiber. Spinning temperature: 250°C; spinneret: 20×0.2mm; cooling condition: strong ring blowing; winding speed: 300m / min. The cellulose acetate butyrate in the multi-component blended fiber is dissolved in acetone to obtain polyethylene terephthalate micro / nano fiber assembly, and the diameter range of the nano fiber is 50-500nm observed by a scanning electron microscope. The prepared polyethylene terephthalate micro / nano fiber aggregates are collected, loosened and carded to form a fluffy fiber web, and strengthened by hydroentanglement to obtain a polyethylene terephthalate micro / nano fiber nonwoven material. The process conditions of spunlace are: the hole diameter of the water spray plate is 0.08mm...
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