Material Compósito De Resíduos De MDF E MDP Estruturados Em Matriz De PVC Para Produtos Alinhados Pelo Eco-Design

Abstract

The problems related to environmental issues such as pollution and waste generation, and its consequences are, in many cases, linked to production processes. The current consumption of wood on a large scale stablish the trends for the use of another kind of material, into substitution of the wood: resins and special additives known like MDF (Medium Density Fiberboard). However, due to its chemical formulation, the residue of the production process of MDF and sawdust produced by your cut for the furniture industry is classified as waste Class I-Hazardous by ABNT NBR 10004:2004 standard and must have its mandatory allocation controlled. In this sense, the presentation of this work aims to present the technical feasibility for the solution of MDF waste producing a new material, using the waste structured in a PVC matrix (polyvinyl chloride). After a mechanical processing, the fraction obtained the best characteristics was the one used 35% by weight of waste MDF. The main quantitative results obtained are: the bulk density 1084 kg/ m 3 , tensile strength above 40 MPa, the maximum bending stress above of 55MPa, Charpy impact strength above 7.2 kJ/ m 2 , water absorption below 2.4% and the characteristics of nonflammability and non-flame propagation too. From an environmental aspect, the solution has a technical feasibility for the disposal of waste getting great workability products in the furniture , automotive and agribusiness industry.

Evaluation of the Emission of Formaldehyde from Wood-Based Panels (MDFs and MDPs) in Brazil After Use

“…According to Trein (2015), formaldehyde is classified as a component with class I danger, with potential risks to the environment and public health, so that wastes from woodbased panels must be treated properly before disposal.…”

Preparação de blocos porosos utilizando resíduos de MDF na formulação de massas cerâmicas estruturais

“…Os resíduos sólidos gerados normalmente na forma de pó pela cadeia produtiva moveleira são provenientes, em sua maioria, das operações de usinagem dos painéis, principalmente corte, furação e lixamento. Dessa forma, em diversas etapas do processamento dos painéis, desde a fabricação até a operação de lixamento de qualquer peça de um móvel, são gerados resíduos em diferentes proporções e com diferentes características [5].…”