Use of polyurethanes as char-forming age
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Michel Le Bras; Michel Bugajny; Jean-Marc Lefebvre; Serge Bourbigot
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Article
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2000
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John Wiley and Sons
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English
⚖ 715 KB
This work deals in the ®rst part, with the ®re retardancy of polypropylene (PP)/ thermoplastic polyurethane (TPU)/ammonium polyphosphate (APP) intumescent blends, using TPU with different chemical compositions. The in¯uence of the chemical nature of the polyol used in the synthesis of the TPU on the