One step beyond for CNSL-based plasticizers for PVC: Use of cardol

IF 1.8 3区 农林科学 Q3 FOOD SCIENCE & TECHNOLOGY European Journal of Lipid Science and Technology Pub Date : 2024-10-05 DOI:10.1002/ejlt.202400086
Adélaïde Gartili, Sylvain Caillol, Benoît Briou, Vincent Lapinte
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Abstract

Poly(vinyl chloride) (PVC) is a widely employed plastic across diverse industries and is often associated with plasticizers, additives that decrease the inherent rigidity and brittleness of the material. Conventional phthalate-based plasticizers raise substantial toxicity concerns, encouraging the exploration of bio-based alternatives. One such alternative is the inedible oil, cashew nutshell liquid (CNSL), mainly composed of cardanol and cardol. Recent efforts have focused on developing a cardanol-based PVC plasticizers but the isolation of cardanol involves time-consuming, energy-intensive, and costly steps, limiting its market competitiveness. This study aims to assess for the first time, the efficiency of cardol esters, synthesized using acetic acid and different fatty acids (octanoic acid and myristic acid), in order to evaluate the influence of the alkyl chain on plasticizer properties. The chemical structures of these plasticizers were fully characterized by 1H NMR spectroscopy, and the mechanical properties and thermal behavior of PVC films plasticized with these additives were investigated. Finally, the endocrine activity was evaluated for cardol and cardanol acetates.

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基于 CNSL 的聚氯乙烯增塑剂更进一步:使用棉酚
聚氯乙烯(PVC)是一种广泛应用于各行各业的塑料,通常与增塑剂(一种可降低材料固有硬度和脆性的添加剂)有关。传统的邻苯二甲酸酯类增塑剂会引起严重的毒性问题,因此人们开始探索生物基替代品。腰果壳油(CNSL)就是这样一种替代品,它主要由硬脂醇和硬脂酚组成。最近,人们致力于开发一种以硬脂醇为基础的聚氯乙烯增塑剂,但分离硬脂醇的步骤耗时、耗能且成本高昂,限制了其市场竞争力。本研究旨在首次评估使用乙酸和不同脂肪酸(辛酸和肉豆蔻酸)合成的棉酚酯的效率,以评估烷基链对增塑剂性能的影响。通过 1H NMR 光谱法对这些增塑剂的化学结构进行了全面鉴定,并对使用这些添加剂增塑的 PVC 薄膜的机械性能和热行为进行了研究。最后,还对卡尔德醇和卡尔德醇乙酸酯的内分泌活性进行了评估。
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来源期刊
CiteScore
5.50
自引率
0.00%
发文量
101
审稿时长
6-16 weeks
期刊介绍: The European Journal of Lipid Science and Technology is a peer-reviewed journal publishing original research articles, reviews, and other contributions on lipid related topics in food science and technology, biomedical science including clinical and pre-clinical research, nutrition, animal science, plant and microbial lipids, (bio)chemistry, oleochemistry, biotechnology, processing, physical chemistry, and analytics including lipidomics. A major focus of the journal is the synthesis of health related topics with applied aspects. Following is a selection of subject areas which are of special interest to EJLST: Animal and plant products for healthier foods including strategic feeding and transgenic crops Authentication and analysis of foods for ensuring food quality and safety Bioavailability of PUFA and other nutrients Dietary lipids and minor compounds, their specific roles in food products and in nutrition Food technology and processing for safer and healthier products Functional foods and nutraceuticals Lipidomics Lipid structuring and formulations Oleochemistry, lipid-derived polymers and biomaterials Processes using lipid-modifying enzymes The scope is not restricted to these areas. Submissions on topics at the interface of basic research and applications are strongly encouraged. The journal is the official organ the European Federation for the Science and Technology of Lipids (Euro Fed Lipid).
期刊最新文献
Cover Picture: Eur. J. Lipid Sci. Technol. 11/2024 Editorial Board: Eur. J. Lipid Sci. Technol. 11/2024 Contents: Eur. J. Lipid Sci. Technol. 11/2024 One step beyond for CNSL-based plasticizers for PVC: Use of cardol Cover Picture: Eur. J. Lipid Sci. Technol. 10/2024
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