Application of Gelatin in Matches
1. Binder in Match Head Composition
Function: Gelatin acts as a binder, holding together the oxidizing agents, fuels (like sulfur or antimony trisulfide), and friction materials in the match head.
Why gelatin?:
Adhesive strength: It firmly binds the powdered chemicals into a solid head that doesn’t crumble.
Water solubility: Easily dissolves in warm water for processing, yet dries to a hard, stable mass.
Combustibility: It burns cleanly, contributing to the ignition process.
2. Enhances Ignition Performance
Gelatin helps in forming a uniform and stable head, ensuring consistent ignition when struck.
Improves adhesion to the matchstick (usually wood or paperboard), reducing chances of the head flaking off.
3. Environmental & Safety Benefits
Being a natural protein, gelatin is biodegradable and non-toxic, making it a safer alternative to synthetic binders like polyvinyl alcohol (PVA) in some formulations.
Summary
| Function | Benefit |
|---|---|
| Binder | Holds match head ingredients together |
| Combustible matrix | Supports smooth ignition |
| Eco-friendly option | Biodegradable and non-toxic |
| Improves adhesion | Prevents match head from cracking |
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