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Title:
POLYTETRAFLUOROETHYLENE FIBER TUBE FILM
Document Type and Number:
WIPO Patent Application WO/2017/080469
Kind Code:
A1
Abstract:
A polytetrafluoroethylene fiber tube film, comprising a polytetrafluoroethylene material body, the polytetrafluoroethylene being fibrous, 200 nm < fibre diameter ≤ 2000 nm, the body being provided with pore cavities having a pore diameter of 10 nm to 2000 nm and a cavity wall formed by surrounding the pore cavity in three-dimensional space, the cavities being distributed uniformly, all the cavities being three-dimensional through-holes, and the cavities being uniformly distributed meaning that the cavities are uniformly distributed on the porous material at any unit scale volume; porosity ≥ 80%, tensile strength is more than 25 N/mm2, and water-resistant pressure is more than 4 kg/cm2.

Inventors:
YE, Lei (No.9 Qinye Road, Yubei, Chongqing 0, 401120, CN)
Application Number:
CN2016/105257
Publication Date:
May 18, 2017
Filing Date:
November 09, 2016
Export Citation:
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Assignee:
CHONGQING RUNZE PHARMACEUTICAL COMPANY LIMITED. (No.9 Qinye Road, Yubei, Chongqing 0, 401120, CN)
International Classes:
B01D71/36; B01D69/08
Foreign References:
CN101530750A2009-09-16
CN102151493A2011-08-17
CN101543734A2009-09-30
US20130197664A12013-08-01
Attorney, Agent or Firm:
CHONGQING HONGXU PATENT AGENCY CO., LTD. (7-1 Unit 1, Building 16 SUNAC Trade Era,No.18 Qixia Road, Liangjiang New Area, Chongqing 0, 401120, CN)
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