Compacted Particulate Tablet Film Wrapping for Strength and Dissolution
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Solution Overview
Problem
Conventional compacted particulate composition tablets for dishwashing and laundry machines are fragile and prone to breaking, which compromises their durability and dissolution rate, and the use of binders or higher compaction pressures to improve strength can slow down dissolution.
Innovation Solution
A process involving wrapping a compacted particulate composition with a water-soluble film and treating it at an elevated temperature to shrink the film, enhancing the tablet's resistance to physical damage while allowing for faster dissolution and reduced binder usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If compaction pressure is increased to improve tablet strength, then durability is improved, but dissolution rate deteriorates
Solution Approach 1:
The tablet is segmented into a core composition and an outer protective layer. The core contains the active ingredients with lower compaction pressure for fast dissolution, while the outer layer provides mechanical strength and protection during handling and storage.
Solution Approach 2:
The tablet uses a composite structure with different materials in the core and outer layers. The core uses ingredients optimized for dissolution, while the outer layer uses binders and compaction agents optimized for mechanical strength, creating a multi-functional composite tablet.
2Strength
If binder amount is increased to improve tablet strength, then durability is improved, but dissolution rate deteriorates
Solution Approach 1:
The binder is segmented and concentrated in the outer protective layer rather than being uniformly distributed throughout the core. This allows the core to maintain high dissolution rate with minimal binder, while the outer layer provides the necessary mechanical strength.
Solution Approach 2:
Different regions of the tablet have different binder concentrations. The outer layer has high binder content for strength and protection, while the core has low binder content to maintain fast dissolution properties.
3Adaptability or versatility
If organic material amount is increased to improve tablet properties, then ingredient flexibility is improved, but dissolution rate deteriorates
Solution Approach 1:
The tablet is divided into a core with water-soluble ingredients for fast dissolution and an outer layer that can contain various organic materials for formulation flexibility. This segmentation allows independent optimization of dissolution rate and ingredient versatility.
4Speed
If disintegrating agent is added to improve dissolution, then dissolution rate is improved, but manufacturing complexity increases
Solution Approach 1:
The outer layer is pre-formed with protective properties before the core is added. This preliminary action allows the core to be simply placed or pressed into the pre-formed outer layer, avoiding complex multi-step manufacturing processes while still achieving fast dissolution through the protective layer's design.
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 tablets that are less prone to fracturing, can be made with lower compaction pressures, and dissolve quickly in water, maintaining excellent mechanical properties and dissolution rates without compromising integrity.
Implementation Method 1
treating the wrapped compacted particulate composition at an elevated temperature to shrink the film such that it clings to said composition
Data Source
AI summary
A process for the preparation of a package containing a compacted particulate composition, comprises wrapping a compacted particulate composition with a first film and treating the wrapped compacted particulate composition at an elevated temperature to shrink the film such that it clings to said composition. The resulting packages may be made using low compaction pressures and consequently may have low friability and be fast dissolving.