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Making Biodegradable Seedling Pots from Textile and Paper Waste—Part A: Factors Affecting Tensile Strength

Author

Listed:
  • Jeanger P. Juanga-Labayen

    (Environmental Engineering, Civil Engineering Department, University of Manitoba, Winnipeg, MB R3T 5V6, Canada)

  • Qiuyan Yuan

    (Environmental Engineering, Civil Engineering Department, University of Manitoba, Winnipeg, MB R3T 5V6, Canada)

Abstract

This study investigates the efficacy of using discarded textile (cotton and polycotton) and paper waste (newspaper and corrugated cardboard) as substrates to form sheets with optimum tensile strength. The effect of alkali treatment (sodium hydroxide (NaOH) and sodium bicarbonate (NaHCO 3 )), compressive loads (200 N and 500 N), and the use of binding agents (blackstrap molasses, sodium alginate, and cornstarch) were studied to optimize the tensile strength of homogeneous sheets. The alkali treatment using 5% NaOH for 5 h of soaking demonstrated the highest increase in tensile strength of 21% and 19% for cotton and newspaper, respectively. Increasing compressive load from 200 N to 500 N showed the highest increase in tensile strength of 37% and 42% for cotton and newspaper, respectively. Remarkably, among the binders, cornstarch at 20% concentration obtained an increase in tensile strength of 395%, 320%, 310%, and 185% for cotton, polycotton, corrugated cardboard, and newspaper sheets, respectively. The optimum results obtained from this study will be utilized to develop biodegradable seedling pots using discarded textile and paper waste.

Suggested Citation

  • Jeanger P. Juanga-Labayen & Qiuyan Yuan, 2021. "Making Biodegradable Seedling Pots from Textile and Paper Waste—Part A: Factors Affecting Tensile Strength," IJERPH, MDPI, vol. 18(13), pages 1-9, June.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:13:p:6964-:d:584691
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    Cited by:

    1. Jeanger P. Juanga-Labayen & Qiuyan Yuan, 2021. "Making Biodegradable Seedling Pots from Textile and Paper Waste—Part B: Development and Evaluation of Seedling Pots," IJERPH, MDPI, vol. 18(14), pages 1-14, July.

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