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Patent Searching and Data


Title:
STAINLESS STEEL SURFACE OXIDE COATING ACID-WASH ADDITIVE, MANUFACTURING METHOD, AND ACID WASHING METHOD
Document Type and Number:
WIPO Patent Application WO/2017/219591
Kind Code:
A1
Abstract:
An acid-wash additive for stainless steel surface oxide coatings, a manufacturing method, and an acid washing method. The acid-wash additive comprises 1-10 parts by weight of an alkanolamine, 0.1-5 parts by weight of a metal ligand, 0-10 parts by weight of a nitrogen-containing organic cyclic compound, 0-3 parts by weight of an alcohol, 0-3 parts by weight of a plant extract solution, and 1-2 parts by weight of water. The acid-wash additive can address the issues of high energy consumption, environmental pollution, and cost of current methods for removing stainless steel surface oxide coating.

Inventors:
LI WENJUAN (CN)
Application Number:
PCT/CN2016/105810
Publication Date:
December 28, 2017
Filing Date:
November 15, 2016
Export Citation:
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Assignee:
SHANXI ADD NEW ADDITIVE TECH CO LTD (CN)
International Classes:
C23G1/08
Foreign References:
CN105908197A2016-08-31
JPS5610396A1981-02-02
CN101135056A2008-03-05
CN105297045A2016-02-03
CN104195580A2014-12-10
Other References:
See also references of EP 3360986A4
Attorney, Agent or Firm:
SHANXI WUWEI PATENT OFFICE (LIMITED) (CN)
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