Color Dispersion Binder System for Water-Resistant Coatings
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Solution Overview
Problem
Existing multi-color coatings require stringent storage and processing conditions and may appear unnatural without a proper binder system, leading to potential colorant release in water conditions, compromising their stability and appearance.
Innovation Solution
A process involving the formation of a color dispersion by contacting a colorant with a gel composition and a protective composition containing polymer particles, clay, and a peptizing agent, with specific weight ratios and concentrations of components, to create stable and naturally appearing multi-color coatings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional binder systems are used in multi-color coatings, then the coating can be applied, but the colorants easily release from the binder in water conditions, destroying multi-color performance
Solution Approach 1:
The patent introduces a binder system comprising a first binder and a second binder that act as intermediaries to securely hold colorants. The first binder provides initial binding while the second binder reinforces this binding, creating a dual-layer protection system that prevents colorant release in water conditions without requiring stringent storage conditions.
Solution Approach 2:
The patent employs a composite binder system combining two different binders with complementary properties. This composite approach creates a more robust binding system than either binder alone, ensuring colorant retention while maintaining ease of manufacture and application.
2Reliability
If proper binder systems are used to protect colorants, then colorant release is prevented, but the cost and complexity of the coating system increases
Solution Approach 1:
The patent divides the binder system into two distinct functional components: a first binder and a second binder. This segmentation allows each binder to be optimized for its specific role while working together to provide comprehensive colorant protection, managing complexity through functional division.
Solution Approach 2:
The binder system is designed to perform multiple functions: the first binder provides primary colorant binding, the second binder reinforces this binding, and together they provide water resistance and durability. This multi-functionality reduces the need for additional separate components.
3Ease of manufacture
If colorants are dispersed without proper protection, then the coating application is simpler, but the colorants release in water conditions compromising multi-color performance
Solution Approach 1:
The patent applies preliminary action by pre-forming stable colorant dispersions using the dual-binder system before final coating application. The binders are already in place to protect colorants during storage and handling, so that when the coating is applied, the colorants are already secured and ready for durable multi-color performance.
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 process results in stable, heat-resistant multi-color coatings that mimic natural stone surfaces, maintaining colorant protection and appearance under various conditions, including high shearing forces and heat aging, without the need for stringent storage conditions.
Implementation Method 1
contacting water, a first colorant, and a gel composition comprising a first gel selected from methylcellulose, hydroxypropylmethylcellulose, hydroxyethylmethylcellulose, hydroxybutylmethylcellulose, hydroxyethylethylcellulose, and the mixture thereof, and a second gel selected from guar, pectin, carrageenan, gelatin, and the mixture thereof
Implementation Method 2
contact the first colorant dispersion with a protective composition comprising an aqueous dispersion of polymer particles, clay, and a peptizing agent to form a dispersion of protected first colorant particles
Data Source
Figure 1a~2b
AI summary
A process for preparing color dispersions comprising a first step of contacting water, a first colorant, and a gel composition comprising a first gel selected from methylcellulose, hydropropylmethylcellulose, hydroxyethylmethylcellulose, hydroxybutylmethylcellulose, hydroxyethylethylcellulose, and the mixture thereof, and a second gel selected from guar, pectin, carrageenan, gelatin, and the mixture thereof, to form a first colorant dispersion; a second step of contacting the first colorant dispersion with a composition comprising an aqueous dispersion of polymer particles, clay, and a peptizing agent to form a dispersion of protected first colorant particles. A color dispersion comprising the first colorant dispersion and a color coating comprising the color dispersion.