Title:
NON-STICK COOKWARE COATING
Document Type and Number:
WIPO Patent Application WO/2021/077296
Kind Code:
A1
Abstract:
A method of manufacture of a coated substrate comprises the steps of applying to the substrate a first coating layer of a primary particulate composition comprising, by weight: SiO2 40-50 parts AI2O3 8-15 parts Fe2O3 1-2 parts ZrO2 5-8 partsTiO2 6-12 parts and a volatile liquid; allowing the liquid to vaporise to form a primary coated substrate; applying to the primary coated substrate a second coating of a secondary particulate composition comprising, by weight: SiO2 30-45 parts 8-10 parts AI2O3 Fe2O3 1-2 parts ZrO2 3-5 partsTiO2 8-15 parts and a volatile liquid: heating the substrate to cause volatilisation of the volatile liquid; and further heating to form a coated substrate having a non-stick coating.
Inventors:
LAM NGAI KIN (CN)
Application Number:
PCT/CN2019/112567
Publication Date:
April 29, 2021
Filing Date:
October 22, 2019
Export Citation:
Assignee:
FOSHAN SHI SHUNDE JETWELL STAINLESS STEEL PRODUCTS LTD (CN)
International Classes:
C09D1/00; A47J27/00
Foreign References:
| CN101481554A | 2009-07-15 | |||
| CN104382479A | 2015-03-04 | |||
| CN109321007A | 2019-02-12 | |||
| CN102335650A | 2012-02-01 | |||
| JP2012024713A | 2012-02-09 | |||
| JP2000319575A | 2000-11-21 |
Attorney, Agent or Firm:
SHANGHAI ESSEN PATENT & TRADEMARK OFFICE (CN)
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