Introducing random bio-terpene segments to high <i>cis</i>-polybutadiene: making elastomeric materials more sustainable

González-Zapata, José Luis; Enríquez-Medrano, Francisco Javier; González, Héctor Ricardo López; Revilla, J.; Carrizales, Ricardo Mendoza; Georgouvelas, Dimitrios; Valencia, Luis; León, Ramón Díaz de

doi:10.1039/d0ra09280k

Cited by 20 publications

(18 citation statements)

References 30 publications

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“…However, the employed catalytic system is sensitive to deactivation because of impurities such as water. NdV 3 is one of the most reported rare earth metal-based catalysts and several studies have already been published about its application to polymerize terpenes with good control of macro- and microstructures [ 5 , 6 , 34 , 35 , 36 ], including the in-situ preparation of nanocomposites including graphene oxide [ 37 ]. The mechanism of a conventional coordination reaction comprises the steps of catalyst activation, initiation, propagation, and chain transfer [ 38 , 39 ].…”

Section: Resultsmentioning

confidence: 99%

Fully Bio-Based Elastomer Nanocomposites Comprising Polyfarnesene Reinforced with Plasma-Modified Cellulose Nanocrystals

Magaña¹,

Georgouvelas

Handa

et al. 2021

Polymers

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This article proposes a process to prepare fully bio-based elastomer nanocomposites based on polyfarnesene and cellulose nanocrystals (CNC). To improve the compatibility of cellulose with the hydrophobic matrix of polyfarnesene, the surface of CNC was modified via plasma-induced polymerization, at different powers of the plasma generator, using a trans-β-farnesene monomer in the plasma reactor. The characteristic features of plasma surface-modified CNC have been corroborated by spectroscopic (XPS) and microscopic (AFM) analyses. Moreover, the cellulose nanocrystals modified at 150 W have been selected to reinforce polyfarnesene-based nanocomposites, synthesized via an in-situ coordination polymerization using a neodymium-based catalytic system. The effect of the different loading content of nanocrystals on the polymerization behavior, as well as on the rheological aspects, was evaluated. The increase in the storage modulus with the incorporation of superficially modified nanocrystals was demonstrated by rheological measurements and these materials exhibited better properties than those containing pristine cellulose nanocrystals. Moreover, we elucidate that the viscoelastic moduli of the elastomer nanocomposites are aligned with power–law model systems with characteristic relaxation time scales similar to commercial nanocomposites, also implying tunable mechanical properties. In this foreground, our findings have important implications in the development of fully bio-based nanocomposites in close competition with the commercial stock, thereby producing alternatives in favor of sustainable materials.

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Section: Resultsmentioning

confidence: 99%

Fully Bio-Based Elastomer Nanocomposites Comprising Polyfarnesene Reinforced with Plasma-Modified Cellulose Nanocrystals

Magaña¹,

Georgouvelas

Handa

et al. 2021

Polymers

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“…Polyterpenes have been proposed to replace (at least partially) synthetic polydienes, such as PI and PB, and have potential to be applied for the manufacture of tires, seals, and O-rings. 26–28 Polyterpenes can be synthesized via radical (free and controlled), anionic, cationic, and coordination pathways. The presence of conjugated double bonds in their structures allows them to be polymerized and crosslinked using the reaction systems applied for fossil-based conjugated diene-type monomers, which are already known industrially.…”

Section: Types Of Bioelastomers and Their Synthetic Pathwaysmentioning

confidence: 99%

Bioelastomers: current state of development

Alonso¹,

Enríquez-Medrano²,

Kumar

et al. 2022

J. Mater. Chem. A

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“…The copolymerization of 1,3-butadiene with terpenic monomers such as myrcene and farnesene was carried out via coordination polymerization using a neodymiumbased ternary catalytic system. Poly(myrcene-co-butadiene), poly(farnese-co-butadine) and poly(ocimenen-co-butadiene) copolymers with a wide range of compositions were obtained [94].…”

Section: Polymerization Of Acyclic Terpenesmentioning

confidence: 99%

Terpenes and Terpenoids: Building Blocks to Produce Biopolymers

Mosquera

Jiménez

Tabernero

et al. 2021

Sustainable Chemistry

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Polymers are essential materials in our daily life. The synthesis of value-added polymers is mainly performed from fossil fuel-derived monomers. However, the adoption of the circular economy model based on the bioeconomy will reduce the dependence on fossil fuels. In this context, biorefineries have emerged to convert biomass into bioenergy and produce high value-added products, including molecules that can be further used as building blocks for the synthesis of biopolymers and bioplastics. The achievement of catalytic systems able to polymerize the natural monomer counterparts, such as terpenes or terpenoids, is still a challenge in the development of polymers with good mechanical, thermal, and chemical properties. This review describes the most common types of bioplastics and biopolymers and focuses specifically on the polymerization of terpenes and terpenoids, which represent a source of promising monomers to create bio-based polymers and copolymers.

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Introducing random bio-terpene segments to high cis-polybutadiene: making elastomeric materials more sustainable

Abstract: In this work, we explore the statistical copolymerization of 1,3-butadiene with the terpenic monomers myrcene and farnesene, carried out via coordination polymerization using a neodymium-based ternary catalytic system.

Cited by 20 publications

References 30 publications

Fully Bio-Based Elastomer Nanocomposites Comprising Polyfarnesene Reinforced with Plasma-Modified Cellulose Nanocrystals

Fully Bio-Based Elastomer Nanocomposites Comprising Polyfarnesene Reinforced with Plasma-Modified Cellulose Nanocrystals

Bioelastomers: current state of development

Terpenes and Terpenoids: Building Blocks to Produce Biopolymers

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