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基于聚罗勒烯合成的生物弹性体采用钕基催化体系通过配位聚合反应制备。

Bio-elastomers based on polyocimene synthesized coordination polymerization using neodymium-based catalytic systems.

作者信息

Valencia Luis, Enríquez-Medrano Francisco Javier, López González Héctor Ricardo, Handa Rishab, Caballero Hened Saade, Carrizales Ricardo Mendoza, Olivares-Romero José Luis, Díaz de León Gómez Ramón Enrique

机构信息

Materials Technology and Chemistry, Alfa Laval Tumba AB SE-14782 Tumba Sweden

Research Center for Applied Chemistry Blvd. Enrique Reyna 140, San José de los Cerritos 25294 Saltillo Coahuila Mexico

出版信息

RSC Adv. 2020 Oct 5;10(60):36539-36545. doi: 10.1039/d0ra06583h. eCollection 2020 Oct 1.

DOI:10.1039/d0ra06583h
PMID:35517954
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9057069/
Abstract

Towards the development of eco-friendly alternatives of elastomeric materials, which can replace petroleum-based materials, it is crucial to explore different monomers and catalytic systems in order to find the best possible combinations for specific applications. Herein, we report the synthesis of polyocimene coordination polymerization using two different neodymium-based catalysts (NdV and Nd(Oi-Pr)), activated by alkylaluminums/organoboron compounds. By varying the type of co-catalyst species, halide donors, and reaction parameters, we have demonstrated the possibility to obtain polymers with a controlled microstructure and tunable properties, in terms of molecular weight characteristics and kinetics. Our results provide important insights towards the search for the optimum catalytic system to produce bio-elastomers.

摘要

为了开发可替代石油基材料的环保型弹性体材料，探索不同的单体和催化体系以找到适用于特定应用的最佳组合至关重要。在此，我们报道了使用两种不同的钕基催化剂（NdV和Nd(Oi-Pr)）通过烷基铝/有机硼化合物活化进行聚罗勒烯配位聚合的合成方法。通过改变助催化剂种类、卤化物供体和反应参数，我们证明了在分子量特征和动力学方面获得具有可控微观结构和可调性能的聚合物的可能性。我们的结果为寻找生产生物弹性体的最佳催化体系提供了重要见解。

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本文引用的文献

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Isoselective 3,4-(co)polymerization of bio-renewable myrcene using NSN-ligated rare-earth metal precursor: an approach to a new elastomer.使用NSN连接的稀土金属前体对生物可再生月桂烯进行等选择性3,4-(共)聚合：一种制备新型弹性体的方法。
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Synthesis and Vulcanization of Polymyrcene and Polyfarnesene Bio-Based Rubbers: Influence of the Chemical Structure over the Vulcanization Process and Mechanical Properties.聚月桂烯和聚法尼烯生物基橡胶的合成与硫化：化学结构对硫化过程和力学性能的影响。
Polymers (Basel). 2022 Mar 30;14(7):1406. doi: 10.3390/polym14071406.
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