大豆油馏出物环氧化异丁基脂肪酯作为生物基增塑剂的研究

IF 3.9 3区 工程技术 Q2 ENGINEERING, CHEMICAL
Laura N. Nájera, Álvaro Orjuela*, Paulo César Narvaez-Rincón, Lourdes Sanchez-Nacher, Nestor Montanes and Luis Quiles-Carrillo*, 
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引用次数: 0

摘要

本研究评估了生物基环氧化异丁基酯(EIE)作为聚合物可持续增塑剂的生产和性能,旨在支持化学工业中的循环经济模型。采用油酸、亚油酸、大豆油脱臭馏出物(SODD)与异丁醇酯化反应合成eee,然后进行环氧化反应。通过研究环氧化油酸异丁酯、亚油酸异丁酯和大豆酯的力学和热性能,并对固定含量为70 phr的溶剂浇铸法制备的PVC薄膜进行动态力学分析(DMA),评价了它们的塑化效果。利用傅里叶变换红外光谱(FTIR)鉴定了增塑剂的化学结构,并通过迁移和挥发性测试考察了增塑剂的持久性。最后,通过紫外-可见光谱法评估了水汽渗透性和迁移性等屏障特性以及接触角和透明度等表面特性。以邻苯二甲酸二辛酯(DOP)和环氧大豆油(ESO)作为参考的工业增塑剂。在不同的增塑剂中,环氧化异丁基大豆酸酯(EIS)表现出与参考增塑剂相当的高弹性(500%)、高热稳定性、抗拉强度(11.2 MPa)和高塑化效率(106.2%)等显著效果。然而,这种环氧化酯的组成影响了阻隔性能,如水蒸气渗透性和迁移性。总体而言,EIE表现出适度的迁移速率,这限制了它们作为通用PVC增塑剂的使用,但它们可能有效地用于低温应用和作为不同聚合物的增塑剂。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Assessment of Epoxidized Isobutyl Fatty Esters from Soybean Oil Distillates as Biobased Plasticizers

Assessment of Epoxidized Isobutyl Fatty Esters from Soybean Oil Distillates as Biobased Plasticizers

This study evaluated the production and performance of biobased epoxidized isobutyl esters (EIE) as sustainable plasticizers for polymers, aiming to support circular economy models within the chemical industry. EIE were synthesized through the esterification of isobutyl alcohol with oleic and linoleic acids as well as soybean oil deodorizer distillates (SODD), followed by subsequent epoxidation. The plasticizing effect of epoxidized isobutyl oleate, linoleate, and soyate was assessed by studying their mechanical and thermal properties and performing Dynamic Mechanical Analysis (DMA) on PVC films prepared at a fixed content of 70 phr using the solvent casting method. The chemical structure of the films was identified by Fourier transform infrared (FTIR) spectroscopy while the permanence of the plasticizers was investigated through migration and volatility tests. Finally, barrier properties such as water vapor permeability and migration were evaluated alongside surface characteristics such as contact angle and transparency by UV–visible spectroscopy. Dioctyl phthalate (DOP) and epoxidized soybean oil (ESO) were used as reference commercial plasticizers. Among the different EIE, epoxidized isobutyl soyate (EIS) showed remarkable results such as high elasticity (500%), high thermal stability, tensile strength (11.2 MPa) comparable to the reference plasticizers, and high plasticizing efficiency (106.2%). However, barrier properties, such as water vapor permeability and migration, were affected by the composition of this epoxidized ester. Overall, EIE exhibited moderate migration rates which limit their use as general purpose PVC plasticizers, but they might be effectively used for low temperature applications and as coplasticizers for different polymers.

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来源期刊
Industrial & Engineering Chemistry Research
Industrial & Engineering Chemistry Research 工程技术-工程:化工
CiteScore
7.40
自引率
7.10%
发文量
1467
审稿时长
2.8 months
期刊介绍: ndustrial & Engineering Chemistry, with variations in title and format, has been published since 1909 by the American Chemical Society. Industrial & Engineering Chemistry Research is a weekly publication that reports industrial and academic research in the broad fields of applied chemistry and chemical engineering with special focus on fundamentals, processes, and products.
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