Abstract
The objective of the present study is to investigate the behavior of floor coatings made of recycled isophthalic and orthophthalic type polyester resins along with industrially processed inorganic materials; gravel dust, that is the residue from crushed basaltic rocks, and fly ash generated in coal burning in power plants. The coatings were evaluated by the mechanical resistance tests: flexural strength, axial compression and abrasion and the durability tests: chemical attack, against many harmful agents, and also the water absorption test. The work proposes the use of these coatings as flooring, to be applied in the petroleum and petrochemical industry, which require high-strength materials with excellent chemical resistance. Two types of coatings were produced, one being composed of isophthalic polyester resin as binder, river sand as aggregate and fly ash as filler, and the other composed of orthophthalic polyester resin recycled from PET, river sand and gravel dust as aggregates and fly ash as filler. From the results, it was observed that the floorings reached flexural strength values of 26 MPa and 84 MPa for axial compression, and results below 0.17% for water absorption. The coatings were resistant to chemical attack from acids, bases, salt and hydrocarbons.
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