Deodorizing nylon 6 fiber and preparation method thereof

Abstract

A preparation method of a deodorizing nylon 6 fiber including providing a fabricating step of deodorizing nylon 6 chips and performing a spinning step. A porous powder of citrate is mixed with a caprolactam powder so as to obtain a raw material of a deodorizing chip. The raw material of the deodorizing chip is ground so as to obtain a size mixture of a deodorizing nylon 6. The size mixture of the deodorizing nylon 6 is polymerized so as to obtain the deodorizing nylon 6 chips. In the spinning step, a spinning material including the deodorizing nylon 6 chips is provided. The spinning material is spun so as to obtain a deodorizing nylon 6 fiber.

What is claimed is: 
     
         1 . A preparation method of a deodorizing nylon 6 fiber, comprising:
 providing a fabricating step of deodorizing nylon 6 chips, comprising:
 performing a mixing step, wherein a porous powder of citrate is mixed with a caprolactam powder so as to obtain a raw material of a deodorizing chip, a weight ratio of the porous powder of citrate ranges from 2% to 6% based on a weight ratio of the raw material of the deodorizing chip as 100%, and a weight ratio of the caprolactam powder ranges from 94% to 98% based on the weight ratio of the raw material of the deodorizing chip as 100%; 
 performing a nano-grinding step, wherein the raw material of the deodorizing chip is ground so as to obtain a size mixture of a deodorizing nylon 6, and an average diameter of the size mixture of the deodorizing nylon 6 ranges from 100 nm to 200 nm; 
 performing a granulated polymerizing step, wherein the size mixture of the deodorizing nylon 6 is polymerized so as to obtain the deodorizing nylon 6 chips; 
 performing a viscosity adjusting step, wherein a relative viscosity of the deodorizing nylon 6 chips is adjusted to a range from 2.20 mPa·s to 2.30 mPa·s; and 
 performing a water content adjusting step, wherein a water content ratio of the deodorizing nylon 6 chips is adjusted to a range from 350 ppm to 550 ppm; and 
   performing a spinning step, comprising:
 providing a spinning material, wherein the spinning material comprises the deodorizing nylon 6 chips performed the viscosity adjusting step and the water content adjusting step; and 
 performing a melt fluxing step, wherein the spinning material is spun under a temperature ranging from 255° C. to 265° C. so as to obtain a deodorizing nylon 6 fiber. 
   
     
     
         2 . The preparation method of  claim 1 , wherein the weight ratio of the porous powder of citrate is 5% based on the weight ratio of the raw material of the deodorizing chip as 100%, and the weight ratio of the caprolactam powder is 95% based on the weight ratio of the raw material of the deodorizing chip as 100%. 
     
     
         3 . The preparation method of  claim 1 , wherein the spinning material further comprises a powder of titanium dioxide, and a weight ratio of the powder of titanium dioxide is greater than 0 and less than or equal to 7.5 based on the weight ratio of the deodorizing nylon 6 chips as 100%. 
     
     
         4 . The preparation method of  claim 1 , wherein the spinning material is melted in the melt fluxing step so as to obtain a spinning liquid, and the spinning step further comprises:
 performing a fiber extracting step, wherein the fiber extracting step is for extracting the spinning liquid so as to obtain a nascent fiber of the deodorizing nylon 6, a difference between a relative viscosity of the nascent fiber of the deodorizing nylon 6 and the relative viscosity of the deodorizing nylon 6 chips performed the viscosity adjusting step is ΔRV, and the following condition is satisfied:
   0<ΔRV<0.1.
 
   
     
     
         5 . The preparation method of  claim 1 , wherein the spinning step further comprises:
 performing a cooling step, wherein the cooling step is performed under a temperature ranging from 18° C. to 22° C. and then the nascent fiber of the deodorizing nylon 6 is solidified so as to form a solidified fiber of the deodorizing nylon 6.   
     
     
         6 . The preparation method of  claim 5 , wherein the spinning step further comprises:
 performing a drawing step, wherein the solidified fiber of the deodorizing nylon 6 is drawn with a draw ratio ranging from 1.2% to 1.5%.   
     
     
         7 . The preparation method of  claim 6 , wherein the drawing step further comprises:
 performing a heating step, wherein the solidified fiber of the deodorizing nylon 6 is heat set under a temperature ranging from 145° C. to 200° C.   
     
     
         8 . The preparation method of  claim 7 , wherein the spinning step further comprises:
 performing a winding step, wherein the solidified fiber of the deodorizing nylon 6 performed the heating step is wound in a speed ranging from 3200 m/min to 4800 m/min, and a physical property of the solidified fiber of the deodorizing nylon 6 is changed by the drawing step and the winding step, so that the solidified fiber of the deodorizing nylon 6 is transformed into the deodorizing nylon 6 fiber.   
     
     
         9 . The preparation method of  claim 8 , wherein the physical property of the solidified fiber of the deodorizing nylon 6 changed is a strength or an elongation. 
     
     
         10 . A deodorizing nylon 6 fiber made by the preparation method of  claim 1 , wherein a denier per filament of the deodorizing nylon 6 fiber ranges from 0.5 dpf to 6 dpf, and a strength of the deodorizing nylon 6 fiber ranges from 3.0 g/d to 6.8 g/d. 
     
     
         11 . The deodorizing nylon 6 fiber of  claim 10 , wherein an extensibility of the deodorizing nylon 6 fiber ranges from 40% to 50%.