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Development and Characterization of Eco-Friendly Non-Isocyanate urethane Monomer from Jatropha curcas Oil for Wood Composite Applications

引用

Journal of Renewable Materials 2023年第1期11卷 41-59页

作者： Samsul Bhakri Muhammad Ghozali Edy Cahyono Evi Triwulandari Witta Kartika Restu Nissa Nurfajrin Solihat Apri Heri Iswanto Petar Antov Viktor Savov Lee Seng Hua ErikaAyu Agustiany Lubos Kristak Widya Fatriasari Department of Chemistry Universitas Negeri SemarangSemarang50229Indonesia Research Center for Chemistry National Research and Innovation Agency(BRIN)Serpong15314Indonesia Research Center for Biomass and Bioproducts National Research and Innovation Agency(BRIN)Cibinong16911Indonesia Department of Forest Product Faculty of ForestryUniversitas Sumatera UtaraMedan20155Indonesia JATI-Sumatran Forestry Analysis Study Center Medan20155Indonesia Faculty of Forest Industry University of ForestrySofia1797Bulgaria Laboratory of Biopolymer and Derivatives Institute of Tropical Forestry and Forest ProductUniversiti Putra MalaysiaSelangor43400Malaysia Department of Forest Products Faculty of Forestry and EnvironmentIPB UniversityBogor16680Indonesia Faculty of Wood Sciences and Technology Technical University in ZvolenZvolen96001Slovakia

The aim of this research work was to evaluate the potential of using renewable natural feedstock,i.e.,Jatropha curcas oil(JCO)for the synthesis of non-isocyanate polyurethane(NIPU)resin for wood composite applications.Commercial polyurethane(PU)is synthesized through a polycondensation reaction between isocyanate and poly-ol.However,utilizing toxic and unsustainable isocyanates for obtaining PU could contribute to negative impacts on the environment and human health.Therefore,the development of PU from eco-friendly and sustainable resources without the isocyanate route is required.In this work,tetra-n-butyl ammonium bromide was used as the activator to open the epoxy ring with 3-Aminopropyltriethoxisylane as a catalyst to yield urethane of JCO(UJCO).The UJCO were characterized by Fourier Transform Infra-Red spectroscopy(FTIR)and their oxirane,and hydroxyl values were measured.The result showed that a decrease in oxirane value was found while the hydroxyl value was increased during the time,confirming that the urethane group was formed.The presence of functional groups in FTIR spectra at wave numbers 1732.08,1562.34,and 3348.42 cm^(−1) indicates the functional groups of C=O(urethane carbonyl),–NH,and–OH,respectively confirmed this finding.The potential applications of NIPU in the wood composite were also outlined.

关键词： Jatropha curcas oil urethane groups non-isocyanate polyurethane epoxidized JCO cyclic carbonate oxirane value wood composites

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