由环氧丙烯酸酯、芝麻油和蓖麻油衍生树脂制成的生物基热固性合金:乙烯基酯和不饱和聚酯树脂的可再生替代品

Q2 Materials Science

Polymers from Renewable Resources Pub Date : 2019-07-24 DOI:10.1177/2041247919863633

Z. Karami, M. Zohuriaan-Mehr, K. Kabiri, N. Ghasemi Rad

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引用次数: 15

摘要

本研究研究了植物油(VO)衍生的高生物基含量(30-77%)配方树脂的合成，作为传统化石基乙烯基酯(VE)和不饱和聚酯(UP)树脂的潜在可再生替代品。首先，以工业环氧树脂为原料，经丙烯酸甲酰化反应合成环氧丙烯酸酯。然后合成了丙烯酸化环氧化芝麻油(AESSO)和马来酸蓖麻油(MCO)，并对其进行了光谱表征。然后，制备VE、AESSO和MCO网络或其二元共混物。用差示扫描量热法研究了树脂的固化趋势。根据热力学和热力学分析，所有基于vo的网络的性能都略低于基于VE的网络。然而，基于t型剥离和搭接剪切试验，vo基合金体系的粘接强度高于石油基合金体系。综上所述，生物资源合金可以作为VE树脂和UP树脂的良好替代品，并且新型生物树脂配方可以用于粘合剂，聚合物基复合材料和表面涂层。

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Bio-based thermoset alloys from epoxy acrylate, sesame oil- and castor oil-derived resins: Renewable alternatives to vinyl ester and unsaturated polyester resins

This study deals with the synthesis of vegetable oil (VO)-derived formulated resins with high bio-based content (30–77%) as potential renewable alternatives to conventional fossil-based vinyl ester (VE) and unsaturated polyester (UP) resins. First, epoxy acrylate was synthesized from a commercial epoxy resin via acrylation with acrylic acid. Then, acrylated epoxidized sesame oil (AESSO) and maleated castor oil (MCO) were synthesized and spectrally characterized. Afterward, networks of VE, AESSO, and MCO or their binary blends were prepared. The curing trend of the resins was investigated by differential scanning calorimetry. According to thermal and thermomechanical analysis, all of the VO-based networks possessed slightly inferior properties compared to those of VE. However, the adhesion strength of the VO-based alloying systems was higher than that of their petroleum-based counterpart based on T-peel and lap shear tests. Overall, it was concluded that the bio-resourced alloys could be considered as good alternatives to VE and UP resins, and the novel bio-resin formulations may be designed for adhesives, the polymer–matrix composites, and surface coating applications.

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来源期刊

Polymers from Renewable Resources Materials Science-Polymers and Plastics

CiteScore

3.50

自引率

0.00%

发文量

期刊介绍： Polymers from Renewable Resources, launched in 2010, publishes leading peer reviewed research that is focused on the development of renewable polymers and their application in the production of industrial, consumer, and medical products. The progressive decline of fossil resources, together with the ongoing increases in oil prices, has initiated an increase in the search for alternatives based on renewable resources for the production of energy. The prevalence of petroleum and carbon based chemistry for the production of organic chemical goods has generated a variety of initiatives aimed at replacing fossil sources with renewable counterparts. In particular, major efforts are being conducted in polymer science and technology to prepare macromolecular materials based on renewable resources. Also gaining momentum is the utilisation of vegetable biomass either by the separation of its components and their development or after suitable chemical modification. This journal is a valuable addition to academic, research and industrial libraries, research institutions dealing with the use of natural resources and materials science and industrial laboratories concerned with polymer science.