Dehydrated Coating Composition Reduces Storage Volume
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Solution Overview
Problem
Existing anti-corrosion coating compositions for metal parts do not effectively address the need for reduced storage volume and extended lifespan, as they are typically in aqueous form and prone to degradation.
Innovation Solution
Development of a dehydrated coating composition in solid form, based on particulate metal, titanate precursor, and silane, with a Ti/Si molar ratio ranging from 10/90 to 60/40, which can be rehydrated to form an aqueous dispersion, providing improved storage efficiency and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If the coating composition is stored in aqueous form, then it is easy to apply and maintain stability, but the storage volume is large and the lifespan is limited due to degradation
Solution Approach 1:
The patent changes the physical state parameter of the coating composition from aqueous liquid to dehydrated solid form. This transformation reduces storage volume and extends lifespan by preventing water-related degradation, while maintaining the ability to restore the original aqueous state through rehydration for application.
Solution Approach 2:
The patent utilizes phase transition between solid dehydrated form and aqueous liquid form. The coating composition can be transitioned from stable solid storage form to functional aqueous application form through controlled rehydration, solving both storage efficiency and applicability requirements.
2Reliability
If the coating composition is stored in aqueous form, then it is easy to apply, but it is prone to degradation and has limited lifespan
Solution Approach 1:
The patent changes the moisture content parameter from high (aqueous form) to low (dehydrated solid form). This parameter change enhances reliability by eliminating water-related degradation pathways while extending lifespan through reduced chemical stability issues, yet allows restoration of original properties through rehydration.
3Volume of stationary object
If the coating composition is dehydrated to solid form, then storage volume is reduced and lifespan is extended, but rehydration must be controlled to maintain stability
Solution Approach 1:
The patent enables the coating composition to self-rehydrate through simple contact with water, forming a sol-gel structure automatically. This self-service mechanism eliminates complex rehydration equipment and procedures, allowing the solid form to transform back to aqueous form naturally upon water addition, thus reducing process complexity despite the dehydration benefit.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The dehydrated composition reduces storage volume and increases the lifespan of the coating by being less sensitive to degradation, while maintaining stability and effectiveness upon rehydration, offering enhanced protection against corrosion.
Implementation Method 1
a silane bearing at least one hydrolyzable function in the form of a hydroxyl group
Implementation Method 2
a titanate precursor and/or a zirconate precursor... capable of forming covalent bonds, either with each other or with other precursors
Implementation Method 3
The solid composition is rehydratable with water and is intended for the preparation of an anti-corrosion coating composition
Data Source
AI summary
The present invention relates to a water-rehydratable solid composition for the production of an aqueous composition comprising a particular metal, a silane / (titanate and/or zirconate) binder, a method for producing such a composition, and a method for producing an aqueous composition comprising a particular metal, a silane / (titanate and/or zirconate) binder by hydrating such a solid composition.