Title:
POLYTETRAFLUOROETHYLENE COMPOSITE FILTER MATERIAL
Document Type and Number:
WIPO Patent Application WO/2021/189762
Kind Code:
A1
Abstract:
Disclosed is a polytetrafluoroethylene composite filter material, comprising a support layer and a polytetrafluoroethylene thin film layer, wherein the support layer is a silver-plated carbon nanomaterial-modified melt-blown non-woven fabric. The polytetrafluoroethylene composite filter material is prepared by using a melt blown process to melt-blow a silver-plated carbon nanomaterial-modified resin material into fibers on the surface of the polytetrafluoroethylene thin film.
Inventors:
XIAO PING (CN)
XIAO ZHONGLIANG (CN)
CAI CHUNYANG (CN)
TANG YI (CN)
LI HUI (CN)
SU JIAN (CN)
XIAO ZHONGLIANG (CN)
CAI CHUNYANG (CN)
TANG YI (CN)
LI HUI (CN)
SU JIAN (CN)
Application Number:
PCT/CN2020/110705
Publication Date:
September 30, 2021
Filing Date:
August 24, 2020
Export Citation:
Assignee:
ZHONGHAO CHENGUANG RES INSTITUTE OF CHEMICAL INDUSTRY CO LTD (CN)
International Classes:
B01D39/14; B01D71/36; B32B27/12
Domestic Patent References:
| WO2008048349A2 | 2008-04-24 |
Foreign References:
| CN101804275A | 2010-08-18 | |||
| CN101362035A | 2009-02-11 | |||
| CN106237714A | 2016-12-21 | |||
| CN101255544A | 2008-09-03 | |||
| CN107151861A | 2017-09-12 | |||
| CN205556986U | 2016-09-07 | |||
| US20180080148A1 | 2018-03-22 | |||
| GB26262019A | ||||
| GB209443200A |
Attorney, Agent or Firm:
CN-KNOWHOW INTELLECTUAL PROPERTY AGENT LIMITED (CN)
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