期刊
GREEN CHEMISTRY LETTERS AND REVIEWS
卷 7, 期 2, 页码 199-208出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/17518253.2014.924591
关键词
HDPE; gypsum; composite; sustainability
资金
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
- Fundacao Coordenacao do Aperfeicoamento de Pessoal de Nivel Superior (CAPES)
- Universidade Federal do Rio de Janeiro
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 T-onset. 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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