Ultrahigh molecular weight polyethylene filament nonwoven fabric based on film-splitting method and production process thereof
A technology of ultra-high molecular weight, filament non-woven fabrics, applied in the direction of non-woven fabrics, textiles and papermaking, etc., can solve the problems of complex preparation process and poor firmness of non-woven fabrics, and overcome excessive fiber ends and poor firmness , the effect of good softness
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Embodiment 1
[0029] A preparation process of ultra-high molecular weight polyethylene filament non-woven fabric based on membrane splitting method, comprising the steps of:
[0030] (1), material preparation: according to the production demand, prepare ultra-high molecular weight polyethylene unidirectional film according to the quantity;
[0031] (2), fiber opening: the ultra-high molecular weight polyethylene unidirectional membrane of step (1) is cut into 10,000 ultra-high molecular weight polyethylene fiber filaments based on the membrane splitting method through a membrane splitting device, and the ultra-high molecular weight polyethylene The fineness range of fiber filament is 5dtex, and the strength range is 25cN / dtex;
[0032] (3), net laying: uniformly disperse and spread the ultra-high molecular weight polyethylene fiber filaments based on the film splitting method obtained by the film splitting device in step (2) on the net curtain of the web forming machine, and pass through th...
Embodiment 2
[0036] A preparation process of ultra-high molecular weight polyethylene filament non-woven fabric based on membrane splitting method, comprising the steps of:
[0037] (1), material preparation: according to the production demand, prepare ultra-high molecular weight polyethylene unidirectional film according to the quantity;
[0038] (2), fiber opening: the ultra-high molecular weight polyethylene unidirectional membrane of step (1) is cut into 30,000 ultra-high molecular weight polyethylene fiber filaments based on the membrane splitting method through a membrane splitting device, and the ultra-high molecular weight polyethylene The fineness range of fiber filament is 15dtex, and the strength range is 35cN / dtex;
[0039] (3), net laying: uniformly disperse and spread the ultra-high molecular weight polyethylene fiber filaments based on the film splitting method obtained by the film splitting device in step (2) and lay them on the web curtain of the web forming machine, and pas...
Embodiment 3
[0043] A preparation process of ultra-high molecular weight polyethylene filament non-woven fabric based on membrane splitting method, comprising the steps of:
[0044] (1), material preparation: according to the production demand, prepare ultra-high molecular weight polyethylene unidirectional film according to the quantity;
[0045] (2), fiber opening: the ultra-high molecular weight polyethylene unidirectional membrane of step (1) is cut into 50,000 ultra-high molecular weight polyethylene fiber filaments based on the membrane splitting method through a membrane splitting device, and the ultra-high molecular weight polyethylene The denier range of fiber filament is 20dtex, and the strength range is 45cN / dtex;
[0046] (3), net laying: uniformly disperse and spread the ultra-high molecular weight polyethylene fiber filaments based on the film splitting method obtained by the film splitting device in step (2) and lay them on the web curtain of the web forming machine, and pas...
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