Preparation and Properties of Polyurethane Films with Spent Coffee Grounds

Abstract:

In this study, a method of recycling spent coffee grounds (SCG) is introduced. The SCG was dried and crushed into micron-sized coffee particles. The coffee particles could be used to prepared polyurethane (PU) films with different contents (0wt.%, 5wt.%, 10wt.%, 15wt.%, 20wt.%, 25wt.% and 30wt.%). The anti-ultraviolet property, thermal comfort performance and mechanical property of different PU films were measured. The results showed that after the blending of coffee particles, the films exhibited excellent anti-ultraviolet property and thermal comfort performance, and the mechanical properties were also retained. This study also provided an effective approach to reuse SCG, which is consistent with the environmental-friendly society principle.

• Periodical: Materials Science Forum (Volume 848)
• Pages: 148-151
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.848.148
• Online since: March 2016
• Authors: Rui Xue Li, Xiao Lin Shen, Yi Zhou, Hao Wang, Shan Jiang, Wei Lin Xu
• Keywords: Anti-Ultraviolet, Environmental-Friendly, Mechanical Properties, Spent Coffee Grounds (SCG), Thermal Comfort

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