Title:
SOL‐GEL HYBRID COATING COMPOSITION, COATING PROCESS AND COMPOSITE COATING LAYERS
Document Type and Number:
WIPO Patent Application WO/2017/070922
Kind Code:
A1
Abstract:
This disclosure provides a sol‐gel hybrid coating composition, comprising a sol‐gel precursor, a polymer and a solvent, wherein the sol‐gel precursor comprises tetraethyl orthosilicate and the polymer comprises polyurethane and polyacrylic. This disclosure also provides a coating process, comprising: subjecting a light metal to micro‐arc oxidation treatment to form a first protection layer on the light metal, and coating the sol‐gel hybrid coating composition onto the first protection layer to form a second protection layer. This disclosure further provides composite coating layers, comprising: a first layer obtained by micro‐arc oxidation treatment, and a second layer obtained by dip coating with the sol‐gel hybrid coating composition.
Inventors:
WU KUAN-TING (CN)
KANG YU-CHUAN (CN)
CHANG CHI-HAO (CN)
KANG YU-CHUAN (CN)
CHANG CHI-HAO (CN)
Application Number:
PCT/CN2015/093339
Publication Date:
May 04, 2017
Filing Date:
October 30, 2015
Export Citation:
Assignee:
HEWLETT PACKARD DEVELOPMENT CO LP (US)
WU KUAN-TING (CN)
KANG YU-CHUAN (CN)
CHANG CHI-HAO (CN)
WU KUAN-TING (CN)
KANG YU-CHUAN (CN)
CHANG CHI-HAO (CN)
International Classes:
C09D1/00; C09D133/02; C09D133/08; C09D175/00; C09D7/61
Foreign References:
| KR100845403B1 | 2008-07-10 | |||
| CN1753958A | 2006-03-29 | |||
| CN102741369A | 2012-10-17 | |||
| CN104364326A | 2015-02-18 |
Attorney, Agent or Firm:
NTD PATENT AND TRADEMARK AGENCY LIMITED (CN)
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