US 10,308,817 B2Granted

Anticorrosion layer and process for production thereof

AssigneeEpg (Engineered Nanoproducts Germany) AG

InventorsEdwin Kroke, Stefan Pfeifer

Life of this patent

Estimating the term…

Loading patent…

Abstract

The invention relates to a protection layer which is used as anticorrosion layer on corrosion-prone substrates, especially corroding metals, alloys and other materials, especially on steel, and as a basecoat for the application of further porous layer systems or as a topcoat, and to the process for production thereof and to use on a coated substrate for protection against corrosion and specifically for use against microbially induced corrosion (MIC), wherein the anticorrosion layer comprises a high-density protection layer on a corrosion-prone substrate, containing pre-condensed layer-forming alkoxysilane precursors, wherein the molecules of the pre-condensed layer-forming alkoxysilane precursors are formed from monomer units selected from the group of the triethoxysilane precursors, wherein the molecules of the pre-condensed layer-forming alkoxysilane precursors are crosslinked with one another, and wherein the high-density protection layer has a layer thickness of at least 50 μm.

Claims6

Dependent claims

An anti-corrosion coating to protect against corrosion, comprising

a high-density protective coating with a low defect density and having no fractures, agglomerates or pores with dimensions in the millimetric or micrometric range on a substrate which is prone to corrosion, said high-density protective coating containing pre-condensed coat-forming alkoxysilane precursors,
wherein the molecules of the pre-condensed coat-forming alkoxysilane precursors are linear and short-chained alkoxysilanes, consisting of least 2 to 1000 monomers, and built up from monomer units of the alkoxysilane precursor employed,
wherein the molecules of the pre-condensed coat-forming alkoxysilane precursors are cross-linked with each other,
wherein the high-density protective coating has a coating thickness of at least 50 μm,
wherein the anti-corrosion coating further comprises a porous coating system with open pores having a pore diameter ranging from 1 to 200 microns,
wherein the porous coating system is applied to the high-density protective coating, and
wherein the porous coating system is formed from cross-linked alkoxysilane precursors, and organisms acting against microbially influenced corrosion colonize the pores.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/113,439Filed 7 Nov 2014
Priority: DE 10 2013 018 7558 Nov 2013
Published: US 2017/0009082 A112 Jan 2017
Granted: 4 Jun 2019
Term ends: Not estimatedThe source records don’t support an estimate.

Classification17 codes

C09D 5/08
Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced ; Filling pastes:…
B05D 1/02
Processes for applying liquids or other fluent materials: performed by spraying
B05D 1/18
Processes for applying liquids or other fluent materials: performed by dipping
B05D 1/28
Processes for applying liquids or other fluent materials: performed by transfer from the surfaces of elements carrying the liquid or other fluent…

Family

US 2017/0009082 A1Pre-grant publication · published 12 Jan 2017
US 10,308,817 B2This patent

From the US filing history. Foreign family members aren’t listed.

Timeline

Citations

Open elsewhere

Building an agent or pulling many patents? Use the API or MCP server instead of scraping pages. Get an API key