New fire‐protective intumescent coatings for wood | Zendy

Hassan M. A. | Zendy; Kozlowski Ryszard | Zendy; Obidzinski Bartoz | Zendy

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New fire‐protective intumescent coatings for wood

Author(s) -

Hassan M. A.,

Kozlowski Ryszard,

Obidzinski Bartoz

Publication year - 2008

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.28518

Subject(s) - intumescent , flammability , cone calorimeter , materials science , fire retardant , polyurethane , composite material , coating , fire performance , acrylate , char , compatibility (geochemistry) , montmorillonite , combustibility , polymer , combustion , fire resistance , monomer , organic chemistry , chemistry

Polyurethane coatings are highly flammable, and because of their widespread applications on different substrates (wood, steel, and building materials), there is a need to increase their fire‐safety properties. Intumescent additives sharply suppress the flammability properties of polyurethane coatings. Two problems accompany intumescent additives: their high loading percentage and incompatibility with polyurethane coatings. In this research, we succeeded in increasing the compatibility by mixing intumescent additives with a butyl acrylate polymer and in lowering the flame‐retardant additive loading (up to 20%) by incorporating newly modified montmorillonite. The flammability properties of the new intumescent coatings were characterized with a cone calorimeter. © 2008 Wiley Periodicals, Inc. J Appl Polym Sci, 2008

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