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Vol. 29 No. 9 (2017): Vol 29 Issue 9

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Synthesis and Characterization of Polyurethane Membrane from Nyamplung Seed Oils (Calophyllum inophillum)

https://doi.org/10.14233/ajchem.2017.20568
Marlina
Department of Chemistry, Faculty of Science, Syiah Kuala University, Banda Aceh 23111, Indonesia
M. Farida
Department of Chemistry, Faculty of Science, Syiah Kuala University, Banda Aceh 23111, Indonesia
Mustanir
Department of Chemistry, Faculty of Science, Syiah Kuala University, Banda Aceh 23111, Indonesia

Corresponding Author(s) : Mustanir

mustanir_yahya@unsyiah.ac.id

Asian Journal of Chemistry, Vol. 29 No. 9 (2017): Vol 29 Issue 9

Abstract

Nyamplung seeds (Calophyllum inophillum) oil was extracted by n-hexane using Soxhlet to obtain oil with yield of 55.55 % (w/w). The product was yellowish green liquid having density of 0.88 g/mL. The iodine and hydroxyl numbers were 83.53 mg iod/g and 64.29 mg KOH/g, respectively. The results showed that Nyamplung seeds oil could be used as raw materials for synthesis of polyurethane membrane. Polyurethane membranes were synthesized through reacting Nyamplung seed oils with 1,6-hexamethylene diisocyanate by crosslink method. The reaction parameters of polyurethane membrane with ratio Nyamplung seed oils to the HMDI 5:7 (v/w), temperature polymerization at 95-100 °C during 60 min. The membrane was cured at 150-155 °C during 8 h gave the best rejection rate of 92.67 % and flux 2.353 L/m2 h bar gave optimum properties both visual and characterization. The characteristic of polyurethane membranes from Nyamplung seeds oils were transparent yellow, homogenous, hard, elastics and dried.

Keywords

Nyamplung seed oil Hydroxyl number Hexamethylene-1,6-diisocyanate Polyurethane membrane
Marlina, ., Farida, M., & Mustanir, . (2017). Synthesis and Characterization of Polyurethane Membrane from Nyamplung Seed Oils (Calophyllum inophillum). Asian Journal of Chemistry, 29(9), 1912–1916. https://doi.org/10.14233/ajchem.2017.20568
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