1 Samoggia, A., & Busi, R. (2023). Sustainable coffee capsule consumption: understanding Italian consumers’ purchasing drivers. Frontiers in Sustainable Food Systems, 7, 1-13. http://doi.org/10.3389/fsufs.2023.1088877.

2 Samoggia, A., & Riedel, B. (2019). Consumers’ perceptions of coffee health benefits and motives for coffee consumption and purchasing. Nutrients, 11(3), 653. http://doi.org/10.3390/nu11030653. PMid:30889887.

3 Domingues, M. L. B., Bocca, J. R., Fávaro, S. L., & Radovanovic, E. (2020). Disposable coffee capsules as a source of recycled polypropylene. Polímeros, 30(1), e2020009. http://doi.org/10.1590/0104-1428.05518.

4 Nanni, A., Colonna, M., & Messori, M. (2022). Fabrication and characterization of new eco-friendly composites obtained by the complete recycling of exhausted coffee capsules. Composites Science and Technology, 222, 109358. http://doi.org/10.1016/j.compscitech.2022.109358.

5 Suaduang, N., Ross, S., Ross, G. M., Pratumshat, S., & Mahasaranon, S. (2019). Effect of spent coffee grounds filler on the physical and mechanical properties of poly(lactic acid) bio-composite films. Materials Today: Proceedings, 17(Part 4), 2104-2110. http://doi.org/10.1016/j.matpr.2019.06.260.

6 Otoukesh, M., Vera, P., Wrona, M., Nerin, C., & Es’haghi, Z. (2020). Migration of dihydroxyalkylamines from polypropylene coffee capsules to Tenax® and coffee by salt-assisted liquid–liquid extraction and liquid chromatography-mass spectrometry. Food Chemistry, 321, 126720. http://doi.org/10.1016/j.foodchem.2020.126720. PMid:32276149.

7 Cincotta, F., Tripodi, G., Merlino, M., Verzera, A., & Condurso, C. (2020). Variety and shelf-life of coffee packaged in capsules. Lebensmittel-Wissenschaft + Technologie, 118, 108718. http://doi.org/10.1016/j.lwt.2019.108718.

8 Garlotta, D. (2001). A literature review of poly(lactic acid). Journal of Polymers and the Environment, 9(2), 63-84. http://doi.org/10.1023/A:1020200822435.

9 Taib, N.-A. A. B., Rahman, M. R., Huda, D., Kuok, K. K., Hamdan, S., Bakri, M. K. B., Julaihi, M. R. M. B., & Khan, A. (2023). A review on poly lactic acid (PLA) as a biodegradable polymer. Polymer Bulletin, 80(2), 1179-1213. http://doi.org/10.1007/s00289-022-04160-y.

10 Ashothaman, A., Sudha, J., & Senthilkumar, N. (2023). A comprehensive review on biodegradable polylactic acid polymer matrix composite material reinforced with synthetic and natural fibers. Materials Today: Proceedings, 80(Part 3), 2829-2839. http://doi.org/10.1016/j.matpr.2021.07.047.

11 Swetha, T., Bora, A., Mohanrasu, K., Balaji, P., Raja, R., Ponnuchamy, K., Muthusamy, G., & Arun, A. (2023). A comprehensive review on polylactic acid (PLA): synthesis, processing and application in food packaging. International Journal of Biological Macromolecules, 234, 123715. http://doi.org/10.1016/j.ijbiomac.2023.123715. PMid:36801278.

12 Wu, Y., Gao, X., Wu, J., Zhou, T., Nguyen, T. T., & Wang, Y. (2023). Biodegradable polylactic acid and its composites: Characteristics, processing, and sustainable applications in sports. Polymers, 15(14), 3096. http://doi.org/10.3390/polym15143096. PMid:37514485.

13 Di Bartolo, A., Infurna, G., & Dintcheva, N. T. (2021). A review of bioplastics and their adoption in the circular economy. Polymers, 13(8), 1229. http://doi.org/10.3390/polym13081229. PMid:33920269.

14 Lima, A. M., Santos, M. C. C., Bastos, D. C., Libano, E. V. D. G., & Pereira, P. S. C. (2021). Polypropylene/sugarcane bagasse composites: influence of processing. Brazilian Journal of Development, 7(12), 110053-110065. http://doi.org/10.34117/bjdv7n12-002.

15 Chandgude, S., & Salunkhe, S. (2021). In state of art: mechanical behavior of natural fiber-based hybrid polymeric composites for application of automobile components. Polymer Composites, 42(6), 2678-2703. http://doi.org/10.1002/pc.26045.

16 Chagas, G. N., Barros, M. M., Leão, A. G., Tapanes, N. L. C. O., Ribeiro, R. C. C., & Bastos, D. C. (2022). A hybrid green composite for automotive industry. Polímeros, 32(2), e2022017. http://doi.org/10.1590/0104-1428.20220027.

17 Morelli, C. L., Pouzada, A. S., & Sousa, J. A. (2009). Influence of hybridization of glass fiber and talc on the mechanical performance of polypropylene composites. Journal of Applied Polymer Science, 114(6), 3592-3601. http://doi.org/10.1002/app.30980.

18 Hashemi, S. (2008). Hybridization effect on flexural properties of single- and double-gated injection moulded acrylonitrile butadiene styrene (ABS) filled with short glass fibres and glass beads particles. Journal of Materials Science, 43(14), 4811-4819. http://doi.org/10.1007/s10853-008-2683-1.

19 Carvalho, G. B., Canevarolo, S. V., Jr., & Sousa, J. A. (2020). Influence of interfacial interactions on the mechanical behavior of hybrid composites of polypropylene/short glass fibers/hollow glass beads. Polymer Testing, 85, 106418. http://doi.org/10.1016/j.polymertesting.2020.106418.

20 Lapčík, L., Maňas, D., Lapčíková, B., Vašina, M., Staněk, M., Čépe, K., Vlček, J., Waters, K. E., Greenwood, R. W., & Rowson, N. A. (2018). Effect of filler particle shape on plastic-elastic mechanical behavior of high density poly(ethylene)/mica and poly(ethylene)/wollastonite composites. Composites. Part B, Engineering, 141, 92-99. http://doi.org/10.1016/j.compositesb.2017.12.035.

21 Gerardo, C. F., França, S. C. A., Santos, S. F., & Bastos, D. C. (2020). A study of recycled high-density polyethylene with mica addition: influence of mica particle size on wetting behavior, morphological, physical, and chemical properties. International Journal of Developmental Research, 10(6), 37223-37228.

22 Hejna, A., Formela, K., & Saeb, M. R. (2015). Processing, mechanical and thermal behavior assessments of polycaprolactone/agricultural wastes biocomposites. Industrial Crops and Products, 76, 725-733. http://doi.org/10.1016/j.indcrop.2015.07.049.

23 Sung, S. H., Chang, Y., & Han, J. (2017). Development of polylactic acid nanocomposite films reinforced with cellulose nanocrystals derived from coffee silverskin. Carbohydrate Polymers, 169, 495-503. http://doi.org/10.1016/j.carbpol.2017.04.037. PMid:28504172.

24 Sanjay, M. R., Madhu, P., Jawaid, M., Senthamaraikannan, P., Senthil, S., & Pradeep, S. (2018). Characterization and properties of natural fiber polymer composites: a comprehensive review. Journal of Cleaner Production, 172, 566-581. http://doi.org/10.1016/j.jclepro.2017.10.101.

25 Hejna, A. (2021). Potential applications of by-products from the coffee industry in polymer technology: current state and perspectives. Waste Management, 121(3), 296-330. http://doi.org/10.1016/j.wasman.2020.12.018. PMid:33406477.

26 Sharma, R. K., Lakhani, R., & Tomar, P. (2018). A simple novel mix design method and properties assessment of foamed concretes with limestone slurry waste. Journal of Cleaner Production, 171, 1650-1663. http://doi.org/10.1016/j.jclepro.2017.10.073.

27 Barros, M. M., Oliveira, M. F. L., Ribeiro, R. C. C., Bastos, D. C., & Oliveira, M. G. (2020). Ecological bricks from dimension stone waste and polyester resin. Construction & Building Materials, 232, 117252. http://doi.org/10.1016/j.conbuildmat.2019.117252.

28 Malaquias, E. O., Pereira, A. A. M., Jr., Silveira, P. H. P. M., Altoé, L., & Teles, C. R. (2021). Uso de cálculo estequiométrico para avaliação da produção de biogás obtido da água residuária do café. Brazilian Journal of Production Engineering, 7(2), 48-58. http://doi.org/10.47456/bjpe.v7i2.34548.

29 American Society for Testing and Materials – ASTM. (2020).ASTM D792-20: standard test methods for density and specific gravity (relative density) of plastics by displacement. West Conshohocken: ASTM.

30 American Society for Testing and Materials – ASTM. (2021). ASTM D2240-15(2021): standard test method for rubber property-durometer hardness. West Conshohocken: ASTM.

31 Ribeiro, M. P., Neuba, L. M., Silveira, P. H. P. M., Luz, F. S., Figueiredo, A. B.-H. S., Monteiro, S. N., & Moreira, M. O. (2021). Mechanical, thermal and ballistic performance of epoxy composites reinforced with Cannabis sativa hemp fabric. Journal of Materials Research and Technology, 12, 221-233. http://doi.org/10.1016/j.jmrt.2021.02.064.

32 Acchar, W., Dultra, E. J. V., & Segadães, A. M. (2013). Untreated coffee husk ashes used as flux in ceramic tiles. Applied Clay Science, 75-76, 141-147. http://doi.org/10.1016/j.clay.2013.03.009.

33 Saikia, B. J., Parthasarathy, G., & Sarmah, N. C. (2008). Fourier transform infrared spectroscopic estimation of crystallinity in SiO₂ based rocks. Bulletin of Materials Science, 31(5), 775-779. http://doi.org/10.1007/s12034-008-0123-0.

34 Manju, P., Krishnan, P. S. G., & Nayak, S. K. (2021). Effect of morphology and hydroxyl groups of different nanoparticles on the properties of PLA bionanocomposites. Materials Today: Proceedings, 41(Part 5), 1169-1174. http://doi.org/10.1016/j.matpr.2020.09.508.

35 Khan, A., Patidar, R., & Pappu, A. (2021). Marble waste characterization and reinforcement in low density polyethylene composites via injection moulding: towards improved mechanical strength and thermal conductivity. Construction & Building Materials, 269, 121229. http://doi.org/10.1016/j.conbuildmat.2020.121229.

36 Wang, N., Fu, Y., & Lim, L. (2011). Feasibility study on chemometric discrimination of roasted Arabica coffees by solvent extraction and Fourier transform infrared spectroscopy. Journal of Agricultural and Food Chemistry, 59(7), 3220-3226. http://doi.org/10.1021/jf104980d. PMid:21381653.

37 Wang, N., & Lim, L.-T. (2012). Fourier transform infrared and physicochemical analyses of roasted Coffee. Journal of Agricultural and Food Chemistry, 60(21), 5446-5453. http://doi.org/10.1021/jf300348e. PMid:22563854.

38 Marchi, B. Z., Silveira, P. H. P. M., Bezerra, W. B. A., Nascimento, L. F. C., Lopes, F. P. D., Candido, V. S., Silva, A. C. R., & Monteiro, S. N. (2023). Ballistic performance, thermal and chemical characterization of ubim fiber (Geonoma baculifera) reinforced epoxy matrix composites. Polymers, 15(15), 3220. http://doi.org/10.3390/polym15153220. PMid:37571114.

39 Reis, N., Franca, A. S., & Oliveira, L. S. (2013). Performance of diffuse reflectance infrared Fourier transform spectroscopy and chemometrics for detection of multiple adulterants in roasted and ground coffee. Lebensmittel-Wissenschaft + Technologie, 53(2), 395-401. http://doi.org/10.1016/j.lwt.2013.04.008.

40 Capek, P., Paulovičová, E., Matulová, M., Mislovičová, D., Navarini, L., & Suggi-Liverani, F. (2014). Coffea arabica instant coffee: chemical view and immunomodulating properties. Carbohydrate Polymers, 103, 418-426. http://doi.org/10.1016/j.carbpol.2013.12.068. PMid:24528749.

41 Ribeiro, J. S., Ferreira, M. M. C., & Salva, T. J. G. (2011). Chemometric models for the quantitative descriptive sensory analysis of Arabica coffee beverages using near infrared spectroscopy. Talanta, 83(5), 1352-1358. http://doi.org/10.1016/j.talanta.2010.11.001. PMid:21238720.

42 Craig, A. P., Botelho, B. G., Oliveira, L. S., & Franca, A. S. (2018). Mid infrared spectroscopy and chemometrics as tools for the classification of roasted coffees by cup quality. Food Chemistry, 245, 1052-1061. http://doi.org/10.1016/j.foodchem.2017.11.066. PMid:29287322.

43 Barrios-Rodríguez, Y., Collazos-Escobar, G. A., & Gutiérrez-Guzmán, N. (2021). ATR-FTIR for characterizing and differentiating dried and ground coffee cherry pulp of different varieties (Coffea arabica L.). Engenharia Agrícola, 41(1), 70-77. http://doi.org/10.1590/1809-4430-eng.agric.v41n1p70-77/2021.

44 Chieng, B. W., Ibrahim, N. A., Yunus, W. M. Z. W., & Hussein, M. Z. (2013). Poly(lactic acid)/poly(ethylene glycol) polymer nanocomposites: effects of graphene nanoplatelets. Polymers, 6(1), 93-104. http://doi.org/10.3390/polym6010093.

45 Wang, N., Zhang, X., Ma, X., & Fang, J. (2008). Influence of carbon black on the properties of plasticized poly (lactic acid) composites. Polymer Degradation & Stability, 93(6), 1044-1052. http://doi.org/10.1016/j.polymdegradstab.2008.03.023.

46 Angin, N., Caylak, S., Ertas, M., & Cavdar, A. D. (2022). Effect of alkyl ketene dimer on chemical and thermal properties of polylactic acid (PLA) hybrid composites. Sustainable Materials and Technologies, 32, e00386. http://doi.org/10.1016/j.susmat.2021.e00386.

47 Santos, R. S., Silveira, P. H. P. M., Bastos, B. C., Conceição, M. N., Ribeiro, R. C. C., & Bastos, D. C. (2023). Development of environmentally ecofriendly composites based on polypropylene/Bahia Beige Waste: effect of reinforcement content on physical, mechanical, chemical, and microstructural properties. Recent Progress in Materials, 5(3), 27. http://doi.org/10.21926/rpm.2303027.

48 Bakshi, P., Pappu, A., Bharti, D. K., & Patidar, R. (2021). Accelerated weathering performance of injection moulded PP and LDPE composites reinforced with calcium rich waste resources. Polymer Degradation & Stability, 192, 109694. http://doi.org/10.1016/j.polymdegradstab.2021.109694.

49 Ou, R., Xie, Y., Wolcott, M. P., Sui, S., & Wang, Q. (2014). Morphology, mechanical properties, and dimensional stability of wood particle/high density polyethylene composites: effect of removal of wood cell wall composition. Materials & Design, 58, 339-345. http://doi.org/10.1016/j.matdes.2014.02.018.

50 Silveira, P. H. P. M., Conceição, M. N., Pina, D. N., Paes, P. A. M., Monteiro, S. N., Tapanes, N. L. C. O., Ribeiro, R. C. C., & Bastos, D. C. (2024). Impact of different mineral reinforcements on HDPE COMPOSITES: effects of melt flow index and particle size on physical and mechanical properties. Polymers, 16(14), 2063. http://doi.org/10.3390/polym16142063. PMid:39065380.

51 Borsoi, C., Berwig, K. H., Scienza, L. C., Zoppas, B. C. D. A., Brandalise, R. N., & Zattera, A. J. (2014). Behavior in simulated soil of recycled expanded polystyrene/waste cotton composites. Materials Research, 17(1), 275-283. http://doi.org/10.1590/S1516-14392013005000167.

52 Coelho, K. V. S., Líbano, E. V. D. G., Ramos Filho, F. G., Santos, S. F., Pereira, P. S. C., & Bastos, D. C. (2021). Development of wood plastic composite with reduced water absorption. International Journal of Developmental Research, 11(2), 44547-44551.

53 Kadea, S., Kittikorn, T., & Hedthong, R. (2024). Sustainable laminate biocomposite of wood pulp/PLA with modified PVA-MFC compatibilizer: weathering resistance and biodegradation in soil. Industrial Crops and Products, 218, 118913. http://doi.org/10.1016/j.indcrop.2024.118913.

54 Siakeng, R., Jawaid, M., Asim, M., & Siengchin, S. (2020). Accelerated weathering and soil burial effect on biodegradability, colour and texture of coir/pineapple leaf fibres/PLA biocomposites. Polymers, 12(2), 458. http://doi.org/10.3390/polym12020458. PMid:32079111.

55 Jaramillo, L. Y., Vásquez-Rendón, M., Upegui, S., Posada, J. C., & Romero-Sáez, M. (2021). Polyethylene-coffee husk eco-composites for production of value-added consumer products. Sustainable Environment Research, 31(1), 34. http://doi.org/10.1186/s42834-021-00107-6.

56 Petinakis, E., Yu, L., Simon, G. P., Dai, X. J., Chen, Z., & Dean, K. (2014). Interfacial adhesion in natural fiber‐reinforced polymer composites. In V. K. Thakur (Ed.), Lignocellulosic polymer composites: processing, characterization, and properties (pp. 17-39). Massachusetts: Scrivener Publishing LLC. http://doi.org/10.1002/9781118773949.ch2.

57 Almeida, P. O., Gerardo, C. F., de Leão, A. G., França, S. C. A., Santos, S. F., & Bastos, D. C. (2021). Sustainable composites based on recycled high-density polyethylene/mica. Materials Research, 24(2), e20200418. http://doi.org/10.1590/1980-5373-mr-2020-0418.

58 Silveira, P. H. P. M., Santos, M. C. C., Chaves, Y. S., Ribeiro, M. P., Marchi, B. Z., Monteiro, S. N., Gomes, A. V., Tapanes, N. L. C. O., Pereira, P. S. C., & Bastos, D. C. (2023). Characterization of thermo-mechanical and chemical properties of polypropylene/hemp fiber biocomposites: impact of maleic anhydride compatibilizer and fiber content. Polymers, 15(15), 3271. http://doi.org/10.3390/polym15153271. PMid:37571165.

59 Acosta, A. P., Amico, S. C., Delucis, R. A., Missio, A. L., Rodrigues, M. B. B., Ribeiro, A. C. R., Goularte, M. P., & Gatto, D. A. (2024). Surface analysis of different wood polymer composites exposed to artificial weathering. Journal of Wood Chemistry and Technology, 44(2), 88-101. http://doi.org/10.1080/02773813.2023.2299814.

60 Melgosa, M., Ruiz-López, J., Li, C., García, P. A., Della Bona, A., & Pérez, M. M. (2020). Color inconstancy of natural teeth measured under white light-emitting diode illuminants. Dental Materials, 36(12), 1680-1690. http://doi.org/10.1016/j.dental.2020.10.001. PMid:33172605.

61 Mitchell, M. K., & Hirt, D. E. (2015). Degradation of PLA fibers at elevated temperature and humidity. Polymer Engineering and Science, 55(7), 1652-1660. http://doi.org/10.1002/pen.24003.

62 Vasile, C., Pamfil, D., Rapa, M., Darie-Nit, R. N., Mitelut, A. C., Popa, E. E., Popescu, P. A., Draghici, M. C., & Popa, M. E. (2018). Study of the soil burial degradation of some PLA/CS biocomposites. Composite B Engineering, 142, 251-262. http://doi.org/10.1016/j.compositesb.2018.01.026.