Granulation Composition With Insoluble Coating for Uniform Granules
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing granulation methods using dilute binders with low gel strength struggle to maintain granule shape and result in segregation due to fragile main granules, leading to non-uniform mixtures when mixed with other powders.
Innovation Solution
Incorporating insoluble core particles into the granulating solution, which form main granules with adhering coating particles, maintaining shape and preventing segregation by adjusting the developed interfacial area ratio (Sdr) to 100-700.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the gelling agent solution (binder) is a dilute solution with low gel strength, then productivity increases and pressure resistance requirements are reduced, but the main granules become fragile and disintegrate
Solution Approach 1:
The patent creates a composite granule structure consisting of a binder matrix combined with suspended insoluble particles (starch, cellulose, or silica). This composite structure provides mechanical strength to the granules even when using dilute binder solutions, preventing disintegration while maintaining high productivity.
Solution Approach 2:
The insoluble particles are distributed locally throughout the binder solution, creating regions of enhanced structural support. These particles act as local reinforcement points that prevent granule disintegration without requiring the entire binder solution to have high gel strength.
2Ease of manufacture
If the binder has low gel strength, then ease of manufacture improves, but the granules segregate when mixed with other powders
Solution Approach 1:
The composite granule structure with insoluble particles suspended in binder creates a more stable granule that resists segregation. The particles provide structural integrity that maintains granule shape and prevents separation during mixing and storage, even when using easily manufactured dilute binder solutions.
3Ease of operation
If the binder has low gel strength, then the sprayer performance requirements are reduced, but the desired granulated particles cannot be obtained
Solution Approach 1:
The insoluble particles suspended in the binder solution are deposited along with the binder during spraying, creating composite granules with uniform structure. This approach maintains manufacturing precision and granule uniformity while allowing the use of sprayers with lower performance requirements.
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
Enables the production of uniform granules with adhering coating particles, enhancing productivity and preventing segregation even with low-gel strength binders, ensuring consistent mixture uniformity.
Implementation Method 1
a binder for binding the core particles to each other and the core particles with the coating particles
Implementation Method 2
the coating particles adhere to the periphery of a main granule consisting of the core particles and the binder
Data Source
AI summary
Provided is a granulation composition that comprises core grains, coating grains and a binder for binding the core grains to each other and also binding the core grains to the coating grains to thereby maintain a granular shape, characterized in that: the coating grains adhere around a main granulation body comprising the core grains and the binder; the coating grains are insoluble in the binder; the core grains and/or the binder contain a medicinal ingredient or a biofunctional ingredient; and the developed interfacial area ratio Sdr is 100-700. According to this granulation composition, a uniform granulated product which is surface-coated with the coating grains and hardly segregated can be stably obtained, even if using a dilute solution with low gel strength as the binder. By setting the gelling agent concentration in the binder at a low level to give a dilute solution, therefore, the granulation composition having excellent properties can be produced at a high productivity.