
Preparation of PP/POE Composites and Their Flame Retardancy and Durability Properties
JIANG Hao, QI Huifang
Preparation of PP/POE Composites and Their Flame Retardancy and Durability Properties
Polyolefin elastomer (POE) was used as the main toughening agent to prepare polypropylene (PP) composites with different POE contents. The effects of different POE contents on the flame retardancy and durability of PP composites were compared, and their applicability as building materials was further explored. The results showed that the PP composite with 6% POE content exhibited the best flame-retardant performance, with the highest limiting oxygen index (29.9%) and the lowest total heat release (128.3 MJ/m²) and heat release rate (574.7 kW/m²). In the durability tests, compared with pure polypropylene material, the PP composite with 6% POE content also maintained excellent flame-retardant and mechanical properties. After 72 h of aging, it showed the lowest degree of decline in mechanical and flame-retardant properties. Therefore, it has the potential to be used as a building material with broad application prospects.
Polypropylene / Polyefin elastomer / Flame retardancy / Durability
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