Title:
DURABLE HYDROPHILIC-SUPER-HYDROPHOBIC BIPOLAR SELF-CLEANING COMPOSITE FILM, AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2018/133469
Kind Code:
A1
Abstract:
A durable hydrophilic-super-hydrophobic bipolar self-cleaning composite film, and a preparation method therefor. The preparation method comprises: adding an epoxy silane coupling agent into an organic solvent; after stirring and mixing well, adding an amine curing agent and distilled water to the mixture; stirring and adding micron-sized solid particles and hydrophobic nano silicon dioxide particles; continue stirring to obtain a hydrophilic layer solution; adding a hydrophobic modifier and a hydrophilic nano silicon dioxide particles into the solvent to obtain a hydrophobic layer solution; coating a pretreated substrate surface with the hydrophilic layer solution, and performing heating treatment; then coating the surface with the hydrophobic layer solution, and performing heating treatment to obtain the durable hydrophilic-super-hydrophobic bipolar self-cleaning composite film
More Like This:
| WO/2004/037944 | PROCESS AND COMPOSITION FOR PRODUCING SELF-CLEANING SURFACES FROM AQUEOUS SYSTEMS |
| WO/2006/024799 | TELFON-COATED COOKING UTENSIL |
Inventors:
ZHANG LIZHI (CN)
ZHI JINGHUI (CN)
ZHI JINGHUI (CN)
Application Number:
PCT/CN2017/107461
Publication Date:
July 26, 2018
Filing Date:
October 24, 2017
Export Citation:
Assignee:
UNIV SOUTH CHINA TECH (CN)
International Classes:
B05D5/08; B05D7/00
Domestic Patent References:
| WO2007090808A1 | 2007-08-16 | |||
| WO2015161233A1 | 2015-10-22 |
Foreign References:
| CN106862039A | 2017-06-20 | |||
| CN104745045A | 2015-07-01 | |||
| CN105499092A | 2016-04-20 | |||
| US20130064990A1 | 2013-03-14 |
Attorney, Agent or Firm:
GUANGZHOU HUAXUE INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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