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Development of eco-friendly polyurethane foams based on Lesquerella fendleri (A. Grey) oil-based polyol
European Polymer Journal ( IF 5.8 ) Pub Date : 2020-04-01 , DOI: 10.1016/j.eurpolymj.2020.109606
Jorge Contreras , Oscar Valdés , Yaneris Mirabal-Gallardo , Alexander F. de la Torre , José Navarrete , Justo Lisperguer , Esteban F. Durán-Lara , Leonardo S. Santos , Fabiane M. Nachtigall , Gustavo Cabrera-Barjas , Diana Abril

Abstract In this study, we investigated the potential of polyurethane foams (LPUF) prepared from Lesquerella fendleri (A. Grey) oil-derived polyol to use as an ecological and cheap substitute for the petroleum-based polyurethane foams. The polyol was synthesized by a one-single step reaction using a mixture of hydrogen peroxide and acetic acid. The L. fendleri oil and the synthetized polyol were characterized by their physical–chemical properties as well as chromatographic analysis, iodine value, yield, saponification number, kinematic viscosity, density, theorical molecular weight, hydroxyl number, 1H and 13C NMR spectroscopy, attenuated total reflectance Fourier-transform infrared (ATR-FTIR) and Thermogravimetric analysis (TGA). The obtained L. fendleri oil-based polyol reacted with aromatic diphenylmethane diisocyanate in the presence of water, N,N,N′,N′′,N′′-Pentamethyldiethylenetriamine, stannous 2-ethylhexanoate and silicone, which were used as a blowing agent, catalysts and surfactant, respectively, to produce LPUF. The effects of the amount of diphenylmethane diisocyanate on apparent density values, compression test, and the average pore size of LPUFs property were studied. The results revealed that all these properties are correlated with the MDI amount. The ATR-FTIR, TGA, SEM and selective degradation test were performed for the LPUFs, which revealed that the foam formations were successful. We obtained a macroporous structure with a combination of both open and closed cells that is more thermoresistant than the precursors with degradation products derived from hydroxylated lesquerolic (major) and linolenic (minor) acids.

中文翻译:

基于 Lesquerella fendleri (A. Grey) 油基多元醇的环保聚氨酯泡沫的开发

摘要 在这项研究中,我们研究了由 Lesquerella fendleri (A. Grey) 油衍生的多元醇制备的聚氨酯泡沫 (LPUF) 作为石油基聚氨酯泡沫的生态和廉价替代品的潜力。多元醇是使用过氧化氢和乙酸的混合物通过一步反应合成的。L. fendleri 油和合成多元醇的特征在于它们的理化性质以及色谱分析、碘值、产率、皂化数、运动粘度、密度、理论分子量、羟值、1H 和 13C NMR 光谱、衰减全反射傅里叶变换红外 (ATR-FTIR) 和热重分析 (TGA)。得到的芬德勒油基多元醇与芳香族二苯甲烷二异氰酸酯在水存在下反应,N,N,N',N'',N''-五甲基二亚乙基三胺、2-乙基己酸亚锡和有机硅分别用作发泡剂、催化剂和表面活性剂来生产LPUF。研究了二苯甲烷二异氰酸酯的用量对LPUFs的表观密度值、压缩试验和平均孔径的影响。结果表明,所有这些特性都与 MDI 量相关。对 LPUF 进行了 ATR-FTIR、TGA、SEM 和选择性降解测试,结果表明泡沫形成是成功的。我们获得了一种大孔结构,它结合了开孔和闭孔,比具有来自羟基化槲皮素(主要)和亚麻酸(次要)酸的降解产物的前体更具耐热性。2-乙基己酸亚锡和有机硅分别用作发泡剂、催化剂和表面活性剂,以生产 LPUF。研究了二苯甲烷二异氰酸酯的用量对LPUFs的表观密度值、压缩试验和平均孔径的影响。结果表明,所有这些特性都与 MDI 量相关。对 LPUF 进行了 ATR-FTIR、TGA、SEM 和选择性降解测试,结果表明泡沫形成是成功的。我们获得了一种大孔结构,它结合了开孔和闭孔,比具有来自羟基化槲皮素(主要)和亚麻酸(次要)酸的降解产物的前体更具耐热性。2-乙基己酸亚锡和有机硅分别用作发泡剂、催化剂和表面活性剂,以生产 LPUF。研究了二苯甲烷二异氰酸酯的用量对LPUFs的表观密度值、压缩试验和平均孔径的影响。结果表明,所有这些特性都与 MDI 量相关。对 LPUF 进行了 ATR-FTIR、TGA、SEM 和选择性降解测试,结果表明泡沫形成是成功的。我们获得了一种大孔结构,它结合了开孔和闭孔,比具有来自羟基化槲皮素(主要)和亚麻酸(次要)酸的降解产物的前体更具耐热性。生产LPUF。研究了二苯甲烷二异氰酸酯的用量对LPUFs的表观密度值、压缩试验和平均孔径的影响。结果表明,所有这些特性都与 MDI 量相关。对 LPUF 进行了 ATR-FTIR、TGA、SEM 和选择性降解测试,结果表明泡沫形成是成功的。我们获得了一种大孔结构,它结合了开孔和闭孔,比具有来自羟基化槲皮素(主要)和亚麻酸(次要)酸的降解产物的前体更具耐热性。生产LPUF。研究了二苯甲烷二异氰酸酯的用量对LPUFs的表观密度值、压缩试验和平均孔径的影响。结果表明,所有这些特性都与 MDI 量相关。对 LPUF 进行了 ATR-FTIR、TGA、SEM 和选择性降解测试,结果表明泡沫形成是成功的。我们获得了一种大孔结构,它结合了开孔和闭孔,比具有来自羟基化槲皮素(主要)和亚麻酸(次要)酸的降解产物的前体更具耐热性。结果表明,所有这些特性都与 MDI 量相关。对 LPUF 进行了 ATR-FTIR、TGA、SEM 和选择性降解测试,结果表明泡沫形成是成功的。我们获得了一种大孔结构,它结合了开孔和闭孔,比具有来自羟基化槲皮素(主要)和亚麻酸(次要)酸的降解产物的前体更具耐热性。结果表明,所有这些特性都与 MDI 量相关。对 LPUF 进行了 ATR-FTIR、TGA、SEM 和选择性降解测试,结果表明泡沫形成是成功的。我们获得了一种大孔结构,它结合了开孔和闭孔,比具有来自羟基化槲皮素(主要)和亚麻酸(次要)酸的降解产物的前体更具耐热性。
更新日期:2020-04-01
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