TY  - JOUR
AU  - Gavrilović-Grmuša, Ivana
AU  - Rančić, Milica
AU  - Tesić, Tamara
AU  - Stupar, Stevan
AU  - Milošević, Milena
AU  - Gržetić, Jelena
PY  - 2024
UR  - https://omorika.sfb.bg.ac.rs/handle/123456789/1508
AB  - The possibility of producing and designing bio-epoxides based on the natural polyphenol lignin/epoxidized lignin and tannic acids for application as wood adhesives is presented in this work. Lignin and tannic acids contain numerous reactive hydroxyl phenolic moieties capable of being efficiently involved in the reaction with commercial epoxy resins as a substitute for commercial, non-environmentally friendly, toxic amine-based hardeners. Furthermore, lignin was epoxidized in order to obtain an epoxy lignin that can be a replacement for diglycidyl ether bisphenol A (DGEBA). Cross-linking of bio-epoxy epoxides was investigated via FTIR spectroscopy and their prospects for wood adhesive application were evaluated. This study determined that the curing reaction of epoxy resin can be conducted using lignin/epoxy lignin or tannic acid. Tensile shear strength testing results showed that lignin and tannic acid can effectively replace amine hardeners in epoxy resins. Examination of the failure of the samples showed that all samples had a 100% fracture through the wood. All samples of bio-epoxy adhesives displayed significant tensile shear strength in the range of 5.84-10.87 MPa. This study presents an innovative approach to creating novel cross-linked networks of eco-friendly and high-performance wood bio-adhesives.
T2  - Polymers
T1  - Bio-Epoxy Resins Based on Lignin and Tannic Acids as Wood Adhesives-Characterization and Bonding Properties
IS  - 18
VL  - 16
DO  - 10.3390/polym16182602
UR  - conv_1824
ER  - 

@article{
author = "Gavrilović-Grmuša, Ivana and Rančić, Milica and Tesić, Tamara and Stupar, Stevan and Milošević, Milena and Gržetić, Jelena",
year = "2024",
abstract = "The possibility of producing and designing bio-epoxides based on the natural polyphenol lignin/epoxidized lignin and tannic acids for application as wood adhesives is presented in this work. Lignin and tannic acids contain numerous reactive hydroxyl phenolic moieties capable of being efficiently involved in the reaction with commercial epoxy resins as a substitute for commercial, non-environmentally friendly, toxic amine-based hardeners. Furthermore, lignin was epoxidized in order to obtain an epoxy lignin that can be a replacement for diglycidyl ether bisphenol A (DGEBA). Cross-linking of bio-epoxy epoxides was investigated via FTIR spectroscopy and their prospects for wood adhesive application were evaluated. This study determined that the curing reaction of epoxy resin can be conducted using lignin/epoxy lignin or tannic acid. Tensile shear strength testing results showed that lignin and tannic acid can effectively replace amine hardeners in epoxy resins. Examination of the failure of the samples showed that all samples had a 100% fracture through the wood. All samples of bio-epoxy adhesives displayed significant tensile shear strength in the range of 5.84-10.87 MPa. This study presents an innovative approach to creating novel cross-linked networks of eco-friendly and high-performance wood bio-adhesives.",
journal = "Polymers",
title = "Bio-Epoxy Resins Based on Lignin and Tannic Acids as Wood Adhesives-Characterization and Bonding Properties",
number = "18",
volume = "16",
doi = "10.3390/polym16182602",
url = "conv_1824"
}

Gavrilović-Grmuša, I., Rančić, M., Tesić, T., Stupar, S., Milošević, M.,& Gržetić, J.. (2024). Bio-Epoxy Resins Based on Lignin and Tannic Acids as Wood Adhesives-Characterization and Bonding Properties. in Polymers, 16(18).
https://doi.org/10.3390/polym16182602
conv_1824

Gavrilović-Grmuša I, Rančić M, Tesić T, Stupar S, Milošević M, Gržetić J. Bio-Epoxy Resins Based on Lignin and Tannic Acids as Wood Adhesives-Characterization and Bonding Properties. in Polymers. 2024;16(18).
doi:10.3390/polym16182602
conv_1824 .

Gavrilović-Grmuša, Ivana, Rančić, Milica, Tesić, Tamara, Stupar, Stevan, Milošević, Milena, Gržetić, Jelena, "Bio-Epoxy Resins Based on Lignin and Tannic Acids as Wood Adhesives-Characterization and Bonding Properties" in Polymers, 16, no. 18 (2024),
https://doi.org/10.3390/polym16182602 .,
conv_1824 .