Study about the waterproofing of the composite starch / paper waste

  • Jussara Smidt Porto
  • Clarissa Coussirat Angrizani
  • Carmen Iara Walter Calcagno
  • Lauren da Cunha Duarte
Keywords: Biocomposite, Starch, Paper waste, Waterproofing, Water absorption

Abstract

This research presents an alternative material that follows innovative and sustainable standards constituted by the union of the gelatinized starch matrix with paper waste as load. Since starch and paper are hydrophilic nature, limitations in the applications of this biocomposite may occur if no barrier is created to restrict moisture absorption. For this, waterproofing tests were performed to analyze the behavior of the material in relation to water absorption (2 and 24 hours) with four different waterproofing agents applying one, two and three layer. Satisfactory results were obtained from the second coat in 2 h and third coat in 24 h with the polyurethane based waterproofing agents. Therefore, comparing to the other waterproofing agents tested, and searching for more sustainable results, it can be concluded that the polyurethane-based waterproofing agent of vegetable origin proved to be the one that best meets the objectives of this research.

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Published
2020-03-26
How to Cite
Porto, J. S., Angrizani, C. C., Calcagno, C. I. W., & Duarte, L. da C. (2020). Study about the waterproofing of the composite starch / paper waste. DAT Journal, 5(1), 99-113. https://doi.org/10.29147/dat.v5i1.173