Characterization of non-structural poly (vinyl) chloride, rock wool and medium density fiberboard waste composites

Abstract

Seeking to combine thermal comfort with the reuse of difficult degradation materials, which generate large volumes discarded in landfills, this study aims to use Poly (vinyl) chloride (PVC), rock wool and Medium Density Fiberboard (MDF) waste in the manufacture of nonstructural boards in civil construction. The samples were prepared by varying the formulations in order to find the one that has better thermal conductivity contribution. The work, still in progress, presents lower swelling results to the average of insulating materials, and water absorption of the plates lifted by the use of sodium bicarbonate; used in the composition to increase the void ratio. Although, separately, the three materials present low thermal conductivity; when mixed the conductivity tends to increase, but still remains below the average value of other sealing materials used in civil construction. Citation: Sirena MC, Zini A, Brancher LR, et al. Characterization of non-structural poly (vinyl) chloride, rock wool and medium density fiberboard waste composites. Citation: Sirena MC, Zini A, Brancher LR, et al. Characterization of non-structural poly (vinyl) chloride, rock wool and medium density fiberboard waste composites.

Pectin-based films with thyme essential oil: production, characterization, antimicrobial activity, and biodegradability

“…Leonardelli et al [15] , evaluating the biodegradability of whey-based films by adding chitosan as an antimicrobial agent, reported a degradation time of 8 days for films when disposed of in soil. Film degradability was similar to those of other biopolymeric films and superior to commercial films, considering that plastic films have degradation times longer than one year, even when discarded in landfills [61] .…”