Improving compatibility between coffee or black tea ground wastes and polymer matrix via silane treatment for production sustainable biofillers
Abstract The incorporation of bio-waste products into polymer materials as a fillers and colorants represents a highly significant approach for developing sustainable composites, aligning with the principles of a circular bioeconomy and contributing to reduced environmental impact. In this study, co...
Saved in:
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Nature Portfolio
2025-04-01
|
| Series: | Scientific Reports |
| Subjects: | |
| Online Access: | https://doi.org/10.1038/s41598-025-97980-7 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1849699528508178432 |
|---|---|
| author | Bolesław Szadkowski Magdalena Śliwka-Kaszyńska Anna Marzec |
| author_facet | Bolesław Szadkowski Magdalena Śliwka-Kaszyńska Anna Marzec |
| author_sort | Bolesław Szadkowski |
| collection | DOAJ |
| description | Abstract The incorporation of bio-waste products into polymer materials as a fillers and colorants represents a highly significant approach for developing sustainable composites, aligning with the principles of a circular bioeconomy and contributing to reduced environmental impact. In this study, coffee grounds (CG) and black tea grounds (BTG), two mainstream food processing by-products, were employed as bio-fillers and pigments for ethylene-norbornene (EN) composites. The effects of hydrophobic treatment with (3-aminopropyl)triethoxysilane (APTS) on CG and BTG powders were compared to those of untreated bio-fillers with respect to dispersion, color characteristics, mechanical properties, and UV aging stability of the polymer composites subjected to 50, 100, 200 and 300 h of UV aging. Both the waste additives and the resulting composites were characterized through Fourier-transform infrared (FTIR) spectroscopy, tensile testing, thermogravimetric analysis (TGA), scanning electron microscopy (SEM) and spectrophotometric method. The obtained results demonstrated that the silanization of CG and BTG bio-fillers improved their dispersion within the EN matrix, consequently enhancing the UV aging resistance of the polymer composites. The EN/CG-APTS composite exhibited the best mechanical properties during the aging process, with the highest aging factor value of 0.6 after 300 h. On the other hand, the EN/BTG-APTS composite showed the smallest color change (ΔE = 7.8) after 300 h of aging. These findings indicate that improving the compatibility of bio-fillers with the polymer matrix can further increase their application potential in sustainable polymer materials technology. |
| format | Article |
| id | doaj-art-73e2b4b260514f35965b7bbe28134c24 |
| institution | DOAJ |
| issn | 2045-2322 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj-art-73e2b4b260514f35965b7bbe28134c242025-08-20T03:18:34ZengNature PortfolioScientific Reports2045-23222025-04-0115111410.1038/s41598-025-97980-7Improving compatibility between coffee or black tea ground wastes and polymer matrix via silane treatment for production sustainable biofillersBolesław Szadkowski0Magdalena Śliwka-Kaszyńska1Anna Marzec2Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of TechnologyDepartment of Organic Chemistry, Faculty of Chemistry, Gdansk University of TechnologyInstitute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of TechnologyAbstract The incorporation of bio-waste products into polymer materials as a fillers and colorants represents a highly significant approach for developing sustainable composites, aligning with the principles of a circular bioeconomy and contributing to reduced environmental impact. In this study, coffee grounds (CG) and black tea grounds (BTG), two mainstream food processing by-products, were employed as bio-fillers and pigments for ethylene-norbornene (EN) composites. The effects of hydrophobic treatment with (3-aminopropyl)triethoxysilane (APTS) on CG and BTG powders were compared to those of untreated bio-fillers with respect to dispersion, color characteristics, mechanical properties, and UV aging stability of the polymer composites subjected to 50, 100, 200 and 300 h of UV aging. Both the waste additives and the resulting composites were characterized through Fourier-transform infrared (FTIR) spectroscopy, tensile testing, thermogravimetric analysis (TGA), scanning electron microscopy (SEM) and spectrophotometric method. The obtained results demonstrated that the silanization of CG and BTG bio-fillers improved their dispersion within the EN matrix, consequently enhancing the UV aging resistance of the polymer composites. The EN/CG-APTS composite exhibited the best mechanical properties during the aging process, with the highest aging factor value of 0.6 after 300 h. On the other hand, the EN/BTG-APTS composite showed the smallest color change (ΔE = 7.8) after 300 h of aging. These findings indicate that improving the compatibility of bio-fillers with the polymer matrix can further increase their application potential in sustainable polymer materials technology.https://doi.org/10.1038/s41598-025-97980-7Bio-waste engineeringCoffee groundsTea groundsSilaneColorantsPolymer aging |
| spellingShingle | Bolesław Szadkowski Magdalena Śliwka-Kaszyńska Anna Marzec Improving compatibility between coffee or black tea ground wastes and polymer matrix via silane treatment for production sustainable biofillers Scientific Reports Bio-waste engineering Coffee grounds Tea grounds Silane Colorants Polymer aging |
| title | Improving compatibility between coffee or black tea ground wastes and polymer matrix via silane treatment for production sustainable biofillers |
| title_full | Improving compatibility between coffee or black tea ground wastes and polymer matrix via silane treatment for production sustainable biofillers |
| title_fullStr | Improving compatibility between coffee or black tea ground wastes and polymer matrix via silane treatment for production sustainable biofillers |
| title_full_unstemmed | Improving compatibility between coffee or black tea ground wastes and polymer matrix via silane treatment for production sustainable biofillers |
| title_short | Improving compatibility between coffee or black tea ground wastes and polymer matrix via silane treatment for production sustainable biofillers |
| title_sort | improving compatibility between coffee or black tea ground wastes and polymer matrix via silane treatment for production sustainable biofillers |
| topic | Bio-waste engineering Coffee grounds Tea grounds Silane Colorants Polymer aging |
| url | https://doi.org/10.1038/s41598-025-97980-7 |
| work_keys_str_mv | AT bolesławszadkowski improvingcompatibilitybetweencoffeeorblackteagroundwastesandpolymermatrixviasilanetreatmentforproductionsustainablebiofillers AT magdalenasliwkakaszynska improvingcompatibilitybetweencoffeeorblackteagroundwastesandpolymermatrixviasilanetreatmentforproductionsustainablebiofillers AT annamarzec improvingcompatibilitybetweencoffeeorblackteagroundwastesandpolymermatrixviasilanetreatmentforproductionsustainablebiofillers |