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Intumescent Polymer Metal Laminates for Fire Protection
Laura Geoffroy1, Fabienne Samyn2, Maude Jimenez3
1Univ.Lille, ENSCL, UMR 8207, UMET, Unité Matériaux et Transformations, F 59 000 Lille, France. laura.geoffroy@univ-lille.fr.
Polymers
|April 10, 2019
Summary
Intumescent Polymer Metal Laminates (IPML) combine intumescent coatings and polymer metal laminates for enhanced fire protection. This novel design significantly improves fire barrier performance by delaying residue carbonization.
Area of Science:
- Materials Science
- Fire Science
- Polymer Chemistry
Background:
- Intumescent paints offer fire protection but face formulation limits.
- Polymer Metal Laminates (PML) show fire resistance due to layer delamination.
- Combining these approaches can lead to superior fire barrier materials.
Purpose of the Study:
- To design and evaluate Intumescent Polymer Metal Laminates (IPML) for fire protection.
- To investigate the synergistic effects of intumescent coatings and PML structure.
- To compare the fire performance of IPML with traditional intumescent paints.
Main Methods:
- Preparation of ten-ply IPML using three different intumescent coatings on steel substrates.
- Characterization via optical microscopy, expansion measurements, and microscopic analyses.
- Fire efficiency evaluation using burn-through tests and in situ temperature monitoring.
Main Results:
- IPML demonstrated improved fire barrier performance for two of the three intumescent coatings tested.
- A significant decrease in the rate of temperature increase was observed at the beginning of the burn-through test.
- The PML design appears to delay the carbonization of the intumescent residue.
Conclusions:
- The structural design of IPML is crucial for effective fire barrier performance, complementing the chemical formulation.
- IPML represents a promising advancement in fire protection technology.
- Material design plays a vital role in optimizing fire resistance beyond chemical composition.
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