Surface-Reacted Magnesium Carbonate Carrier for Active Agent Loading
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Solution Overview
Problem
Current carrier materials for home care formulations, such as those using neat magnesium carbonate, have limitations in loading capacity and release efficiency for active agents, necessitating the development of a material with improved characteristics for effective delivery.
Innovation Solution
Surface-reacted magnesium carbonate is created by treating magnesium carbonate with acids like sulphuric acid, phosphoric acid, or carboxylic acids, enhancing its specific surface area and pore volume, allowing for higher loading and efficient release of active agents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If neat magnesium carbonate is used as carrier material, then the formulation is simple and easy to manufacture, but the loading capacity and release efficiency for active agents are insufficient
Solution Approach 1:
The patent applies parameter changes by treating magnesium carbonate with acids (sulphuric acid, phosphoric acid, or carboxylic acids) to modify its surface properties. This chemical treatment increases the specific surface area and pore volume of the carrier material, thereby enhancing its loading capacity for active agents while maintaining ease of manufacture through straightforward acid treatment processes
Solution Approach 2:
The patent creates a composite material system where treated magnesium carbonate serves as the carrier matrix. The acid treatment generates surface compounds and structures that combine the base magnesium carbonate properties with enhanced surface characteristics, resulting in a composite carrier material that achieves both high loading capacity and maintained manufacturability
2Device complexity
If neat magnesium carbonate is used as carrier material, then the material structure is simple, but the release efficiency for active agents is limited
Solution Approach 1:
The acid treatment modifies key parameters of the magnesium carbonate structure, specifically increasing specific surface area and pore volume. These parameter changes create more active sites and improved pathways for active agent release, enhancing release efficiency without introducing complex multi-component structures
Solution Approach 2:
The patent utilizes porous material principles by generating increased pore volume through acid treatment. The created porous structure provides enhanced pathways and surface area for active agent release, improving release efficiency while maintaining a relatively simple overall material structure based on the magnesium carbonate matrix
3Quantity of substance
If the specific surface area and pore volume are increased through acid treatment, then the loading capacity for active agents is improved, but the manufacturing process becomes more complex
Solution Approach 1:
The patent achieves improved loading capacity through controlled parameter changes in the magnesium carbonate structure. By selecting from multiple acid options (sulphuric acid, phosphoric acid, carboxylic acids) and optimizing treatment conditions, the process enhances specific surface area and pore volume while keeping the manufacturing approach relatively straightforward and scalable
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 surface-reacted magnesium carbonate exhibits improved loading capacity and release efficiency for active agents, outperforming neat magnesium carbonate in home care formulations, ensuring effective delivery and performance in cleaning applications.
Implementation Method 1
Surface-reacted magnesium carbonate is created by treating magnesium carbonate with acids like sulphuric acid, phosphoric acid, or carboxylic acids, enhancing its specific surface area and pore volume
Implementation Method 2
The surface-reacted magnesium carbonate exhibits improved loading capacity and release efficiency for active agents
Data Source
AI summary
The present invention relates to a surface-reacted magnesium carbonate, a delivery system for the release of one or more active agent(s) in a home care formulation comprising the surface-reacted magnesium carbonate, a home care formulation comprising the delivery system for the release of one or more active agent(s), a method for preparing the surface-reacted magnesium carbonate and a method for preparing the delivery system for the release of one or more active agent(s) in a home care formulation, as well as the use of the surface-reacted magnesium carbonate as a carrier material for the release of one or more active agent(s) in a home care formulation and the use of the delivery system for the release of one or more active agent(s) in a home care formulation.