Title:
SELF-CLEANING ANTIBACTERIAL VITREOUS ENAMEL PANELS
Document Type and Number:
WIPO Patent Application WO/2021/000924
Kind Code:
A1
Abstract:
A self-cleaning, hydrophilic, antibacterial, acid-resistant, glossy, and durable vitreous enamel panel includes a decarbonized metal substrate with at least a ground coat(20), a first layer enamel top coat(30), and a second layer enamel top coat(40) positioned sequentially over the metal substrate. The second layer enamel top coat(40) has more than one nano-modifiers, each in an amount of at least 0.1 weight percent of the frit. The nano-modifiers include zinc oxide, silver oxide, zirconium oxide. silicon dioxide, copper oxide, boric acid, aluminium oxide, magnesium oxide, calcium oxide, and titanium dioxide. The vitreous enamel panel has a water contact angle of less than approximately 20 degrees; the antibacterial effectiveness against E. coli and S. aureus of at least 99 percent or the antibacterial activity value of at least 2.0; and a gloss level between 80 and 95, even after multiple firings at 850℃ or higher.
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Inventors:
CHAU CHUNG KONG (CN)
FAN YONG (CN)
SHAM MAN LUNG (CN)
LEUNG WAI KEUNG (CN)
LEUNG KAI FUNG (CN)
FAN YONG (CN)
SHAM MAN LUNG (CN)
LEUNG WAI KEUNG (CN)
LEUNG KAI FUNG (CN)
Application Number:
PCT/CN2020/100027
Publication Date:
January 07, 2021
Filing Date:
July 03, 2020
Export Citation:
Assignee:
PROGRAM CONTRACTORS LTD (CN)
International Classes:
C23D3/00; C03C8/00; C23D5/00
Domestic Patent References:
| WO2009087217A1 | 2009-07-16 |
Foreign References:
| CN1541967A | 2004-11-03 | |||
| CN106746675A | 2017-05-31 | |||
| CN102086091A | 2011-06-08 | |||
| JPH07268652A | 1995-10-17 | |||
| JPH07268653A | 1995-10-17 | |||
| CN102511503A | 2012-06-27 | |||
| CN102417748A | 2012-04-18 | |||
| CN1629356A | 2005-06-22 |
Attorney, Agent or Firm:
IDEA INTELLECTUAL (SHENZHEN) IP AGENCY (CN)
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