Aluminium-zinc hot-plated steel plate having excellent weather resistance, corrosion resistance and alkali resistance, and manufacturing method and surface treating agent therefor
US10662348B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2014 |
| Grant date | May 26, 2020 |
| Priority date | — |
| Expiry date | Mar 26, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05D2202/25
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is an aluminium-zinc hot-plated steel plate having excellent weather resistance, corrosion resistance and alkali resistance, and an environmental-friendly surface treating agent therefor, wherein after the surface treatment of the aluminium-zinc hot-plated steel plate using an environmental-friendly surface treating agent consisting of the components of a matrix resin compounded from a particular solvent-free aqueous aliphatic polyurethane dispersion and aqueous polyurethane-acrylic acid copolymer, an organic silicon compound, a matrix resin curing agent, a water-soluble metal salt compound and a high-density polyethylene lubrication auxiliary etc., the formed surface-treated aluminium-zinc hot-plated steel plate has comprehensive properties of excellent weather resistance, corrosion resistance and alkali resistance, and good machine formability etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.