Influence of zinc borate on flame retardant and thermal properties of polyurethane elastomer composites containing huntite-hydromagnesite mineral

作者: Ali Sinan Dike , Umit Tayfun , Mehmet Dogan

DOI: 10.1002/FAM.2428

关键词: Composite materialThermogravimetric analysisFire retardantHydromagnesiteZinc borateFlammabilityUL 94Limiting oxygen indexThermoplastic polyurethaneMaterials science

摘要: Summary The effect of zinc borate (ZnB) was studied on the flame retardant and thermal properties thermoplastic polyurethane containing huntite-hydromagnesite. The polyurethane–based composites were investigated using limiting oxygen index, vertical burning test (UL 94), thermogravimetric analysis, mass loss calorimeter. No remarkable ZnB observed flammability composites. UL 94 rating did not change regardless added amount ZnB, slight increase in index value at ratio 1:1. adjuvant during calorimeter studies by increasing barrier residue condensed phase formation incombustible gasses gas phase. highest fire performance achieved

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