The Boeing Company

Universidade Federal De Minas Gerais

Waynie Mark Schuette

Patrick John Kinlen

Andrew M Zweig

Kenneth A Krienke

Lawrence Michael Lawless

Karen A Schultz

Paul Andrew White

Stephen P Gaydos

Carolyn L Kupper

Marc J Froning

Priyanka G Dhirde

Murali Krishna Panchangam

Lucia Pinheiro Santos Pimenta

Andrew Michael Zweig

Lucia Pinheiro Pimenta

Catherine Jane Parrish

Aspects described herein generally relate to a sol-gel that is the reaction product of a hydroxy organosilane, a metal alkoxide, an acid stabilizer, and a corrosion inhibitor. The hydroxy organosilane is represented by Formula (I): wherein R is selected from alkyl, cycloalkyl, ether, and aryl. The acid stabilizer is at a molar ratio of acid stabilizer to metal alkoxide of 1:1 or greater and the sol-gel has a pH from about 3 to about 4.

Corrosion resistant adhesive sol-gel

Aspects of the present disclosure relate to Schiff base oligomers and uses thereof. In at least one aspect, an oligomer is represented by Formula (IV) wherein each instance of Ris independently selected from the group consisting of alkyl, cycloalkyl, aryl, heteroaryl, and ether. Each instance of Rand Rof Formula (IV) is independently selected from the group consisting of hydrogen, alkyl, cycloalkyl, and aryl. Each instance of Rof Formula (IV) is independently selected from the group consisting of alkyl, cycloalkyl, aryl, heterocyclyl, and a bond. Each instance of Rof Formula (IV) is independently —NH— or a bond and each instance of Ris independently —NH— or —NH—NH—. Each instance of Rof Formula (IV) is independently —NH— or a bond and each instance of Ris independently —NH— or —NH—NH—.

Schiff base oligomers

The present disclosure provides a coated iron particle, or reaction product of a coating and the iron particle, comprising an iron particle and a ceramic coating disposed on the iron particle. Aspects of the present disclosure provide a coated iron particle, or reaction product of a coating and the iron particle, including an iron particle having a diameter of from about 0.5 micron to about 100 microns; and a ceramic coating disposed on the iron particle. Aspects of the present disclosure further provide compositions comprising a coated iron particle and a polymer or adhesion promoter. Aspects of the present disclosure further provide components, such as components, such as vehicle components, having a surface and a composition of the present disclosure disposed on the surface.

Ceramic coated iron particles and methods for making ceramic coated particles

Compositions are described for protecting a metal surface against corrosion. The composition includes a corrosion-inhibiting particle. The corrosion inhibiting particle may be usable in an epoxy resin-based coating or an olefin resin-based coating. The particle may include a core and a protectant. The core may include a water soluble corrosion inhibitor. The protectant may be disposed on at least a portion of a surface of the core and may be covalently or ionically bonded to a thiol group of the corrosion inhibitor. The protectant may be configured to reduce reaction between the core and the epoxy resin or the olefin resin. Methods of making the compositions are also disclosed.

Compositions and coatings with non-chrome corrosion inhibitor particles

Aspects described herein generally relate to a sol-gel that is the reaction product of an organosilane, a metal alkoxide, an acid, and a thio-lanthanide salt having a solubility of about 1 gram or greater per gram of sol-gel at 23° C. The thio-lanthanide salt includes a cation and a thio-ligand. The cation can be lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, yttrium, cobalt, calcium, strontium, barium, and zirconium. In another aspect, a component, such as a vehicle component, includes a metal substrate and a sol-gel disposed on the metal substrate. Methods can include forming a sol-gel by mixing a metal alkoxide and an acid to form a first mixture; mixing with the first mixture an organosilane to form a second mixture; and mixing with the second mixture a lanthanide salt to form a third mixture.

Soluble corrosion resistant sol-gel

Aspects of the present disclosure relate to Schiff base oligomers and uses thereof. In at least one aspect, an oligomer is represented by Formula (I) wherein each instance of R, R, R, R, R, R, R, R, R, and Ris independently selected from the group consisting of hydrogen, alkyl, cycloalkyl, alkoxyl, aryloxyl, ether, and heterocyclyl. Each instance of Rof Formula (I) is independently selected from the group consisting of alkyl, cycloalkyl, aryl, heterocyclyl, and ether. Each instance of Rand Rof Formula (I) is independently selected from the group consisting of hydrogen, alkyl, and aryl. Each instance of Rof Formula (I) is independently selected from the group consisting of alkyl, cycloalkyl, aryl, heterocyclyl, and a bond. Each instance of Rof Formula (I) is independently —NH— or a bond and each instance of Ris independently —NH— or —NH—NH—.

A corrosion inhibition composition includes a carrier and a Schiff base in admixture with the carrier. The carrier includes at least one of water, a hydrocarbon solvent, and a binder.

Corrosion inhibition compositions and associated methods for inhibiting corrosion on metallic substrates

A system for measuring corrosion includes a first electrode configured to be connected to a first structure and a second electrode configured to be connected to a second structure. The first and second structures are galvanically-coupled together, and the first and second structures are made of different materials. A chamber is configured to run through one or more cycles while the first electrode, the first structure, the second electrode, and the second structure are positioned inside the chamber. A measurement device is configured to receive data from the first and second electrodes and to measure one or more parameters based at least partially upon the data. A level of corrosion on the first structure, the second structure, or both is configured to be determined based at least partially upon the one or more parameters.

Systems and methods for measuring galvanic corrosion potential

A method for repairing a damaged portion of a steel member that includes at least one of a coating and a plating. The method includes applying to the damaged portion of the steel member a coating composition to produce a repair coating. The coating composition includes nickel, chromium, and carbon.

Repair coating and method for repairing a damaged portion of a steel member

Aspects described herein generally relate to a sol-gel that is the reaction product of an organosilane, a metal alkoxide, an acid, and a thio-lanthanide salt having a solubility of about 1 gram or greater per gram of sol-gel at 23&#xb0; C. The thio-lanthanide salt includes a cation and a thio-ligand. The cation can be lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, yttrium, cobalt, calcium, strontium, barium, and zirconium. In another aspect, a component, such as a vehicle component, includes a metal substrate and a sol-gel disposed on the metal substrate. Methods can include forming a sol-gel by mixing a metal alkoxide and an acid to form a first mixture; mixing with the first mixture an organosilane to form a second mixture; and mixing with the second mixture a lanthanide salt to form a third mixture.

Aspects of the present disclosure relate to Schiff base oligomers and uses thereof. In at least one aspect, an oligomer is represented by Formula (IV) wherein each instance of Ris independently selected from the group consisting of alkyl, cycloalkyl, aryl, heteroaryl, and ether. Each instance of Rand Rof Formula (IV) is independently selected from the group consisting of hydrogen, alkyl, cycloalkyl, and aryl. Each instance of Rof Formula (IV) is independently selected from the group consisting of alkyl, cycloalkyl, aryl, heterocyclyl, and a bond. Each instance of Rof Formula (IV) is independently &#x2014;NH&#x2014; or a bond and each instance of Ris independently &#x2014;NH&#x2014; or &#x2014;NH&#x2014;NH&#x2014;. Each instance of Rof Formula (IV) is independently &#x2014;NH&#x2014; or a bond and each instance of Ris independently &#x2014;NH&#x2014; or &#x2014;NH&#x2014;NH&#x2014;.

Aspects of the present disclosure relate to Schiff base oligomers and uses thereof. In at least one aspect, an oligomer is represented by Formula (I) wherein each instance of R, R, R, R, R, R, R, R, R, and Ris independently selected from the group consisting of hydrogen, alkyl, cycloalkyl, alkoxyl, aryloxyl, ether, and heterocyclyl. Each instance of Rof Formula (I) is independently selected from the group consisting of alkyl, cycloalkyl, aryl, heterocyclyl, and ether. Each instance of Rand Rof Formula (I) is independently selected from the group consisting of hydrogen, alkyl, and aryl. Each instance of Rof Formula (I) is independently selected from the group consisting of alkyl, cycloalkyl, aryl, heterocyclyl, and a bond. Each instance of Rof Formula (I) is independently &#x2014;NH&#x2014; or a bond and each instance of Ris independently &#x2014;NH&#x2014; or &#x2014;NH&#x2014;NH&#x2014;.

Methods for cleaning surfaces are provided. Such a method may comprise contacting a surface with a fluid comprising a compound of Formula I for a period of time; and removing the fluid from the surface, thereby providing a cleaned surface. Vapor phase degreasing systems for cleaning a surface of a component are also provided. Such a system may comprise a boil sump comprising liquid comprising a compound of Formula I; and a holder configured to hold a component in a vapor formed from the liquid.

Growing community of inventors

Troy, IL, United States of America

Waynie Mark Schuette