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Patent Searching and Data


Title:
POLYTETRAFLUOROETHYLENE ULTRA-FINE FIBER MEMBRANE
Document Type and Number:
WIPO Patent Application WO/2017/080473
Kind Code:
A1
Abstract:
Polytetrafluoroethylene ultra-fine fiber tubular membrane comprising a polytetrafluoroethylene material body; the polytetrafluoroethylene has a fiber shape and the fiber has a diameter of 30-200 nm; the body has pore cavities of a pore diameter of 10-1000 nm and cavity walls formed by three-dimensional spaces surrounding the pore cavities; the pore cavities are uniformly distributed and each pore cavity is three-dimensionally open; the porosity is ≥75%, the tensile strength is 15 N/mm2 or higher, and the water resistance pressure is 3 kg/cm2 or higher.

Inventors:
YE, Lei (No.9 Qinye Road, Yubei, Chongqing 0, 401120, CN)
Application Number:
CN2016/105274
Publication Date:
May 18, 2017
Filing Date:
November 10, 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; B01D61/36; B01D69/08
Domestic Patent References:
WO2013005430A12013-01-10
Foreign References:
CN101530750A2009-09-16
CN103191653A2013-07-10
CN102151493A2011-08-17
CN101543734A2009-09-30
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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