Title:
POLYTETRAFLUOROETHYLENE ULTRAFINE FIBER TUBULAR MEMBRANE
Document Type and Number:
WIPO Patent Application WO/2017/080418
Kind Code:
A1
Abstract:
A polytetrafluoroethylene ultrafine fiber tubular membrane comprises a polytetrafluoroethylene body, wherein the polytetrafluoroethylene is fibrous with the fiber diameter of 30nm-200nm; the body consists of pore cavities having the diameter of 10nm-1000mn and cavity walls dimensionally surrounding the pore cavities in a form of three-dimensional space; the pore cavities are uniformly distributed and three-dimensionally connected, and uniform distribution of the pore cavities means that the pore cavitiesare uniformly distributed in a porous material in any unit volume; the porosity is greater than or equal to 70%.
Inventors:
YE LEI (CN)
Application Number:
PCT/CN2016/104858
Publication Date:
May 18, 2017
Filing Date:
November 07, 2016
Export Citation:
Assignee:
CHONGQING RUNZE PHARMACEUTICAL (CN)
International Classes:
B01D71/36; B01D69/04
Foreign References:
| CN101530750A | 2009-09-16 | |||
| CN105013344A | 2015-11-04 | |||
| JP2001011224A | 2001-01-16 |
Attorney, Agent or Firm:
CHONGQING HONGXU PATENT AGENCY CO., LTD. (CN)
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