Copper Carboxylate Production via Hydrocarbon Solvent Mediation
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Solution Overview
Problem
Existing copper carboxylate production processes, such as copper naphthenate production, face challenges including high initial viscosity leading to uneven agitation, long reaction times, and low reaction rates due to the addition of solid copper hydroxide to naphthenic acid, resulting in significant solid sediment in reaction vessels.
Innovation Solution
A method involving the combination of a hydrocarbon solvent, a copper compound, and carboxylic acid to form copper carboxylate, where the copper compound is contacted with the carboxylic acid in the presence of the hydrocarbon solvent, reducing viscosity and facilitating uniform agitation, thereby improving reaction conditions and yield.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If solid copper hydroxide is added to naphthenic acid, then copper carboxylate is produced, but the initial viscosity becomes high leading to uneven agitation
Solution Approach 1:
The patent introduces a hydrocarbon solvent as an intermediary substance to facilitate the reaction between copper compound and carboxylic acid. The solvent acts as a medium that reduces the viscosity of the reaction mixture, enabling uniform agitation and improving the ease of manufacture while maintaining the production of copper carboxylate.
Solution Approach 2:
The patent changes the physical parameters of the reaction system by introducing a hydrocarbon solvent that alters the viscosity characteristics of the reaction mixture. This parameter change transforms the high-viscosity solid-liquid system into a lower-viscosity liquid solution, thereby improving agitation uniformity and manufacturing ease.
2Productivity
If solid copper hydroxide is added to naphthenic acid, then copper carboxylate is produced, but reaction time becomes long and reaction rate decreases
Solution Approach 1:
The hydrocarbon solvent serves as a mediator that enhances the interaction between copper compound and carboxylic acid molecules. By providing a suitable medium for molecular diffusion and contact, the solvent increases the reaction rate and reduces the time required to achieve complete reaction, thereby improving productivity.
Solution Approach 2:
The introduction of hydrocarbon solvent changes the physical state and mobility of reactants, transforming them from a static solid-liquid mixture into a more dynamic liquid solution. This parameter change accelerates molecular diffusion and collision frequency, thereby increasing reaction rate and reducing reaction time.
3Ease of manufacture
If solid copper hydroxide is added to naphthenic acid, then copper carboxylate is produced, but significant solid sediment forms in reaction vessels
Solution Approach 1:
The hydrocarbon solvent acts as an intermediary that prevents the formation of solid sediment by keeping the copper carboxylate product in solution. The solvent's molecular structure allows it to solvate the copper carboxylate, preventing precipitation and simplifying the handling and processing of the reaction mixture.
Solution Approach 2:
The patent changes the solubility parameters of the reaction system by selecting a hydrocarbon solvent that is compatible with copper carboxylate. This parameter change ensures that the product remains dissolved in the reaction medium, eliminating solid sediment formation and improving ease of manufacture through simplified filtration and handling.
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
This method reduces initial reaction viscosity, minimizes solid sediment, decreases reaction time, and increases the reaction rate and yield of copper carboxylate production, resulting in a more efficient and effective process.
Implementation Method 1
contacting the copper compound with the carboxylic acid in the presence of the hydrocarbon solvent to form a reaction product comprising copper carboxylate
Data Source
AI summary
A method for producing copper carboxylate, a wood preservative composition comprising copper carboxylate, and a wood product produced therefrom are provided. The method comprises combining a hydrocarbon solvent, a copper compound, and carboxylic acid and contacting the copper compound with the carboxylic acid in the presence of the hydrocarbon solvent to form a reaction product comprising copper carboxylate.