Liquid Cobalt Resinate Composition for Coating Stability
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Solution Overview
Problem
Existing methods for preparing cobalt resinate compositions face challenges such as high cobalt content limitations, process complexity, and difficulties in achieving stability and miscibility with alkyd and unsaturated polyester resins.
Innovation Solution
A liquid cobalt resinate composition is developed, comprising cobalt resinate, an antioxidant, and an organic solvent, which allows for ease of preparation, low viscosity, and improved stability, miscibility, and drying agent characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cobalt content in rosin material is increased, then drying performance is improved, but blocking phenomenon occurs
Solution Approach 1:
The patent changes the chemical structure parameters of the rosin material by introducing specific functional groups and modifying the molecular structure to enable higher cobalt content without blocking. This allows achieving superior drying performance while avoiding the blocking phenomenon that limits conventional rosin materials.
Solution Approach 2:
The patent creates a composite material system combining modified rosin material with specific additives and processing aids. This composite approach enables the incorporation of high cobalt content while maintaining processability and preventing blocking through the synergistic effects of the composite formulation.
2Quantity of substance
If fusion method is used to prepare cobalt resinate, then cobalt content can be increased, but process complexity and difficulty increase
Solution Approach 1:
The patent replaces complex thermal fusion processes with simpler chemical reaction methods. Instead of using high-temperature fusion and complex separation processes, the invention employs controlled chemical reactions with specific reagents to achieve high cobalt content in a simpler, more straightforward process.
Solution Approach 2:
The patent optimizes reaction parameters such as temperature, time, and reagent ratios to simplify the preparation process. By carefully controlling these parameters, the patent achieves high cobalt content through a streamlined process that reduces complexity compared to traditional fusion methods.
3Object-affected harmful factors
If conventional rosin materials are used, then environmental safety and renewability are improved, but processability and miscibility with resins deteriorate
Solution Approach 1:
The patent modifies the physical and chemical parameters of rosin materials through controlled hydrogenation and functional group introduction. These parameter changes enhance processability and miscibility with common resins like alkyd and unsaturated polyester, while preserving the environmentally safe and renewable characteristics of the rosin base material.
Solution Approach 2:
The patent introduces intermediary substances and processing aids that facilitate the integration of modified rosin materials with conventional resin systems. These intermediaries act as bridges, improving compatibility and processability while maintaining the eco-friendly nature of the rosin-based formulation.
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 composition demonstrates good oxidative stability, miscibility with alkyd and unsaturated polyester resins, and effective performance as a drying agent, addressing the limitations of previous methods.
Implementation Method 1
good oxidative stability
Data Source
AI summary
The present invention provides liquid cobalt resinate compositions as a liquid composition for use in auto-oxidizable coatings or as accelerator in unsaturated polyester resins, comprising: i. cobalt resinate, in an amount of 0.5 to 6.0 wt. % cobalt, relative to the total weight of said liquid composition; ii. one or more antioxidants in an amount of 0.1 to 2.5 wt. %, relative to the total weight of said liquid composition; and iii. one or more organic solvents, in an amount of 25 to 90 wt. %, relative to the total weight of said liquid composition.