Recycled high-density polyethylene/gypsum composites: evaluation of the microscopic, thermal, flammability, and mechanical properties
F Ramos, LC Mendes - Green Chemistry Letters and Reviews, 2014 - Taylor & Francis
F Ramos, LC Mendes
Green Chemistry Letters and Reviews, 2014•Taylor & FrancisSustainable composites comprising scraps of high-density polyethylene (HDPE) and
gypsum waste in proportions HDPE/gypsum 100/0, 50/50, 40/60, and 30/70 wt% were
prepared. The morphology of the injected specimens was core-shell. Thermal, flammability,
water absorption, and compression resistance were also evaluated. Progressively, the
presence of gypsum increased the HDPE crystallinity and T onset. Concerning the
flammability, the composite 30/70 exhibited the burning rate three times lower than HDPE …
gypsum waste in proportions HDPE/gypsum 100/0, 50/50, 40/60, and 30/70 wt% were
prepared. The morphology of the injected specimens was core-shell. Thermal, flammability,
water absorption, and compression resistance were also evaluated. Progressively, the
presence of gypsum increased the HDPE crystallinity and T onset. Concerning the
flammability, the composite 30/70 exhibited the burning rate three times lower than HDPE …
Sustainable composites comprising scraps of high-density polyethylene (HDPE) and gypsum waste in proportions HDPE/gypsum 100/0, 50/50, 40/60, and 30/70 wt% were prepared. The morphology of the injected specimens was core-shell. Thermal, flammability, water absorption, and compression resistance were also evaluated. Progressively, the presence of gypsum increased the HDPE crystallinity and Tonset. Concerning the flammability, the composite 30/70 exhibited the burning rate three times lower than HDPE, indicating that the gypsum played a role as a flame retardant. The HDPE acted as waterproofing for gypsum. The compression resistance of the composites was similar to HDPE.
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