US2018148865A1PendingUtilityA1

Polytetrafluoroethylene textile and manufacturing method thereof

Assignee: EVEREST TEXTILE CO LTDPriority: Nov 25, 2016Filed: Nov 15, 2017Published: May 31, 2018
Est. expiryNov 25, 2036(~10.3 yrs left)· nominal 20-yr term from priority
D10B 2321/042D01F 6/12D04B 1/18D02G 3/442D04B 21/18D02G 3/32D04B 1/16D02G 3/22D02G 3/02D04B 21/16
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Claims

Abstract

A polytetrafluoroethylene textile and manufacturing method thereof is disclosed. The method of manufacturing the polytetrafluoroethylene textile comprises: providing a polytetrafluoroethylene yarn and an artificial fiber yarn; and performing a knitting process to knit the polytetrafluoroethylene yarn and the artificial fiber yarn together to thereby obtain the polytetrafluoroethylene textile. The polytetrafluoroethylene textile comprises: an artificial fiber structural layer comprising a plurality of artificial fiber yarns; and a polytetrafluoroethylene structural layer comprising a plurality of polytetrafluoroethylene yarns, and a part of the polytetrafluoroethylene yarns of the polytetrafluoroethylene structural layer and a part of the artificial fiber yarns of the artificial fiber structural layer are knitted together.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A method of manufacturing a polytetrafluoroethylene textile, comprising:
 providing a polytetrafluoroethylene yarn and an artificial fiber yarn; and   performing a knitting process to knit the polytetrafluoroethylene yarn and the artificial fiber yarn together to thereby obtain the polytetrafluoroethylene textile,   wherein a pretreatment process is further performed before performing the knitting process to make the polytetrafluoroethylene yarn have at least one knit-assisting part for assisting knitting the polytetrafluoroethylene yarn and the artificial fiber yarn together and confining the artificial fiber yarn correspondingly to thereby obtain the polytetrafluoroethylene textile, wherein the knit-assisting part is an expanded structure formed by at least two of the polytetrafluoroethylene yarns, and a part of the artificial fiber yarn is configured to pass through the knit-assisting part to thereby knit with the at least two of the polytetrafluoroethylene yarns.   
     
     
         2 . The method of  claim 1 , further comprising performing a laminating process to laminate a water repellent fabric with the polytetrafluoroethylene textile together. 
     
     
         3 . The method of  claim 1 , wherein the artificial fiber yarn is selected from a group consisting of nylon yarn, polyester yarn and spandex yarn, the denier of the polytetrafluoroethylene yarn being within a range of from 40 to 400 denier, the denier of the nylon yarn being within a range of from 20 to 280 denier, the denier of the polyester yarn being within a range of from 20 to 300 denier, the denier of the spandex yarn being within a range of from 15 to 70 denier. 
     
     
         4 . The method of  claim 3 , wherein a weight ratio of the nylon yarn to the polytetrafluoroethylene yarn is within a range of 25-45:55-75 if the artificial fiber yarn is the nylon yarn, and a weight ratio of the polyester yarn to the polytetrafluoroethylene yarn to the spandex yarn is within a range of 50-65:34-40:1-10 if the artificial fiber yarn is consisted of the polyester yarn and the spandex yarn. 
     
     
         5 . A polytetrafluoroethylene textile manufactured according to the method as claimed in  claim 1 , comprising:
 an artificial fiber structural layer comprising a plurality of artificial fiber yarns; and   a polytetrafluoroethylene structural layer comprising a plurality of polytetrafluoroethylene yarns, and a part of the polytetrafluoroethylene yarns of the polytetrafluoroethylene structural layer and a part of the artificial fiber yarns of the artificial fiber structural layer are knitted together,   wherein the polytetrafluoroethylene structural layer has at least one knit-assisting part for assisting knitting the part of the polytetrafluoroethylene yarns and the part of the artificial fiber yarns together and confining the part of the artificial fiber yarns correspondingly to thereby obtain the polytetrafluoroethylene textile, wherein the knit-assisting part is an expanded structure formed by at least two of the polytetrafluoroethylene yarns, and the part of the artificial fiber yarns of the artificial fiber structural layer is configured to pass through the knit-assisting part to thereby knit with the at least two of the polytetrafluoroethylene yarns.   
     
     
         6 . The polytetrafluoroethylene textile of  claim 5 , further comprising a water repellent structural layer disposed on the artificial fiber structural layer, and the water repellent structural layer and the polytetrafluoroethylene structural layer are disposed on two opposite sides of the artificial fiber structural layer respectively. 
     
     
         7 . The polytetrafluoroethylene textile of  claim 5 , wherein the artificial fiber structural layer is selected from a group consisting of nylon yarn layer, polyester yarn layer and spandex yarn layer, the denier of the polytetrafluoroethylene yarns being within a range of from 40 to 400 denier, the denier of nylon yarns of the nylon yarn layer being within a range of from 20 to 280 denier, the denier of polyester yarns of the polyester yarn layer being within a range of from 20 to 300 denier, the denier of spandex yarns of the spandex yarn layer being within a range of from 15 to 70 denier, and a weight ratio of the nylon yarn layer to the polytetrafluoroethylene structural layer is within a range of 25-45:55-75 if the artificial fiber structural layer is the nylon yarn layer, and a weight ratio of the polyester yarn layer to the polytetrafluoroethylene structural layer to the spandex yarn layer is within a range of 50-65:34-40:1-10 if the artificial fiber structural layer is consisted of the polyester yarn layer and the spandex yarn layer.

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