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Deiana L, Avella A, Rafi AA, Mincheva R, De Winter J, Lo Re G, Córdova A. In Situ Enzymatic Polymerization of Ethylene Brassylate Mediated by Artificial Plant Cell Walls in Reactive Extrusion. ACS APPLIED POLYMER MATERIALS 2024; 6:10414-10422. [PMID: 39296488 PMCID: PMC11406489 DOI: 10.1021/acsapm.4c01568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Revised: 08/09/2024] [Accepted: 08/09/2024] [Indexed: 09/21/2024]
Abstract
Herein, we describe a solvent-free bioinspired approach for the polymerization of ethylene brassylate. Artificial plant cell walls (APCWs) with an integrated enzyme were fabricated by self-assembly, using microcrystalline cellulose as the main structural component. The resulting APCW catalysts were tested in bulk reactions and reactive extrusion, leading to high monomer conversion and a molar mass of around 4 kDa. In addition, we discovered that APCW catalyzes the formation of large ethylene brassylate macrocycles. The enzymatic stability and efficiency of the APCW were investigated by recycling the catalyst both in bulk and reactive extrusion. The obtained poly(ethylene brassylate) was applied as a biobased and biodegradable hydrophobic paper coating.
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Affiliation(s)
- Luca Deiana
- Department of Natural Sciences, Mid Sweden University, Holmgatan 10, Sundsvall 85179, Sweden
| | - Angelica Avella
- Department of Industrial and Materials Science, Chalmers University of Technology, Rännvägen 2a, Gothenburg 41258, Sweden
| | - Abdolrahim A Rafi
- Department of Natural Sciences, Mid Sweden University, Holmgatan 10, Sundsvall 85179, Sweden
| | - Rosica Mincheva
- Laboratory of Polymeric and Composite Materials, University of Mons (UMONS), 7000 Mons, Belgium
| | - Julien De Winter
- Organic Synthesis and Mass Spectrometry Laboratory (S2MOs), University of Mons (UMONS), 7000 Mons, Belgium
| | - Giada Lo Re
- Department of Industrial and Materials Science, Chalmers University of Technology, Rännvägen 2a, Gothenburg 41258, Sweden
| | - Armando Córdova
- Department of Natural Sciences, Mid Sweden University, Holmgatan 10, Sundsvall 85179, Sweden
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2
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Avella A, Rafi A, Deiana L, Mincheva R, Córdova A, Lo Re G. Organo-Mediated Ring-Opening Polymerization of Ethylene Brassylate from Cellulose Nanofibrils in Reactive Extrusion. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2024; 12:10727-10738. [PMID: 39055864 PMCID: PMC11267636 DOI: 10.1021/acssuschemeng.4c01309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 06/18/2024] [Accepted: 06/18/2024] [Indexed: 07/28/2024]
Abstract
Ethylene brassylate is a renewable macrolactone from castor oil that can be polymerized via ring-opening polymerization (ROP) to obtain a fully biosourced biodegradable polyester. ROP mediated by organometallic catalysts leads to high molar mass poly(ethylene brassylate) (PEB). However, the use of metal-free organocatalysis has several advantages, such as the reduction of toxic and expensive metals. In this work, a novel cellulose nanofibril (CNF)/PEB nanocomposite fabrication process by organocatalysis and reactive extrusion (REx) is disclosed. Here, ROP was carried out via solvent-free REx in the presence of CNFs using organic 1,5,7-triazabicyclo[4.4.0]dec-5-ene as a catalyst. Neat or lactate-esterified CNFs (LACNF) were used as initiators to investigate the effect of surface topochemistry on the in situ polymerization and the properties of the nanocomposites. A molar mass of 9 kDa was achieved in the presence of both unmodified and LACNFs with high monomer conversion (>98%) after 30 min reaction in a microcompounder at 130 °C. Tensile analysis showed that both nanofibril types reinforce the matrix and increase its elasticity due to the efficient dispersion obtained through the grafting from polymerization achieved during the REx. Mechanical recycling of the neat polymer and the nanocomposites was proven as a circular solution for the materials' end-of-life and showed that lactate moieties induced some degradation.
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Affiliation(s)
- Angelica Avella
- Department
of Industrial and Materials Science, Chalmers
University of Technology, Rännvägen 2A, Göteborg 41258, Sweden
| | - Abdolrahim Rafi
- Department
of Natural Sciences, Mid Sweden University, Holmgatan 10, Sundsvall 85170, Sweden
| | - Luca Deiana
- Department
of Natural Sciences, Mid Sweden University, Holmgatan 10, Sundsvall 85170, Sweden
| | - Rosica Mincheva
- Laboratory
of Polymeric and Composite Materials (LPCM), Center of Innovation
and Research in Materials and Polymers (CIRMAP), University of Mons, Mons 7000, Belgium
| | - Armando Córdova
- Department
of Natural Sciences, Mid Sweden University, Holmgatan 10, Sundsvall 85170, Sweden
| | - Giada Lo Re
- Department
of Industrial and Materials Science, Chalmers
University of Technology, Rännvägen 2A, Göteborg 41258, Sweden
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3
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Liu L, Zhang C, Zhang X, Liu H, Wang F. Efficient and well-controlled ring opening polymerization of biobased ethylene brassylate by α-diimine FeCl 3 catalysts via a coordination-insertion mechanism. Dalton Trans 2023; 52:17104-17108. [PMID: 37971360 DOI: 10.1039/d3dt02918b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
A highly efficient late-transition metal based catalytic system of α-diimine FeCl3 for well-controlled ring opening polymerization of a cheap and biobased macrolactone, ethylene brassylate (EB), is described herein. Proceeding via a coordination-insertion mechanism, such a catalytic system is capable of demonstrating unprecedented higher activities than previously reported organocatalysts or main-group metal based catalysts. Moreover, benefiting from the bulky nature of the α-diimine ligands, transesterification side reactions can be greatly suppressed, allowing the polymerization to proceed in a well-controlled living manner, as revealed from detailed kinetic studies. Additionally, such a catalytic system was also workable for ring opening copolymerization of EB and ε-caprolactone (ε-CL), giving the desired random copolymers with various compositions.
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Affiliation(s)
- Lijia Liu
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, Qingdao, 266042, China.
| | - Chunyu Zhang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, Qingdao, 266042, China.
| | - Xuequan Zhang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, Qingdao, 266042, China.
| | - Heng Liu
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, Qingdao, 266042, China.
| | - Feng Wang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, Qingdao, 266042, China.
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Preparation of an Antioxidant Assembly Based on a Copolymacrolactone Structure and Erythritol following an Eco-Friendly Strategy. Antioxidants (Basel) 2022; 11:antiox11122471. [PMID: 36552679 PMCID: PMC9774145 DOI: 10.3390/antiox11122471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 12/07/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
The study presents the achievement of a new assembly with antioxidant behaviour based on a copolymacrolactone structure that encapsulates erythritol (Eryt). Poly(ethylene brassylate-co-squaric acid) (PEBSA) was synthesised in environmentally friendly conditions, respectively, through a process in suspension in water by opening the cycle of ethylene brassylate macrolactone, followed by condensation with squaric acid. The compound synthesised in suspension was characterised by comparison with the polymer obtained by polymerisation in solution. The investigations revealed that, with the exception of the molecular masses, the compounds generated by the two synthetic procedures present similar properties, including good thermal stability, with a Tpeak of 456 °C, and the capacity for network formation. In addition, the investigation by dynamic light scattering techniques evidenced a mean diameter for PEBSA particles of around 596 nm and a zeta potential of -25 mV, which attests to their stability. The bio-based copolymacrolactone was used as a matrix for erythritol encapsulation. The new PEBSA-Eryt compound presented an increased sorption/desorption process, compared with the PEBSA matrix, and a crystalline morphology confirmed by X-ray diffraction analysis. The bioactive compound was also characterised in terms of its biocompatibility and antioxidant behaviour.
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Development of Biodegradable Polyesters: Study of Variations in Their Morphological and Thermal Properties through Changes in Composition of Alkyl-Substituted (ε-DL) and Non-Substituted (ε-CL, EB, L-LA) Monomers. Polymers (Basel) 2022; 14:polym14204278. [PMID: 36297855 PMCID: PMC9612037 DOI: 10.3390/polym14204278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/07/2022] [Accepted: 10/07/2022] [Indexed: 12/02/2022] Open
Abstract
Three series of polyesters based on monomer combinations of ε-caprolactone (ε-CL), ethylene brassylate (EB), and l-Lactide (LLA) with the alkyl substituted lactone ε-decalactone (ε-DL) were synthesized at different molar ratios. Copolymers were obtained via ring opening polymerization (ROP) employing TBD (1,5,7-triazabicyclo-[4.4.0]-dec-5-ene), an organic catalyst which can be handled under normal conditions, avoiding the use of glove box equipment. The molar monomer composition of resulting copolymers differed from theoretical values due to lower ε-DL reactivity; their Mn and Mw values were up to 14 kDa and 22.8 kDa, respectively, and distributions were (Ɖ) ≤ 2.57. The thermal stability of these materials suffered due to variations in their ε-DL molar content. Thermal transitions such as melting (Tm) and crystallization (Tc) showed a decreasing tendency as ε-DL molar content increased, while glass transition (Tg) exhibited minor changes. It is worth mentioning that changes in monomer composition in these polyesters have a strong impact on their thermal performance, as well as in their crystallization degree. Consequently, variations in their chemical structure may have an effect on hydrolyic degradation rates. It should be noted that, in future research, some of these copolymers will be exposed to hydrolytic degradation experiments, including characterizations of their mechanical properties, to determine their adequacy in potential use in the development of soft medical devices.
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Chiriac AP, Rusu AG, Nita LE, Macsim AM, Tudorachi N, Rosca I, Stoica I, Tampu D, Aflori M, Doroftei F. Synthesis of Poly(Ethylene Brassylate-Co-squaric Acid) as Potential Essential Oil Carrier. Pharmaceutics 2021; 13:477. [PMID: 33916007 PMCID: PMC8067060 DOI: 10.3390/pharmaceutics13040477] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 03/25/2021] [Accepted: 03/25/2021] [Indexed: 11/26/2022] Open
Abstract
Bio-based compounds are a leading direction in the context of the increased demand for these materials due to the numerous advantages associated with their use over conventional materials, which hardly degrade in the environment. At the same time, the use of essential oils and their components is generated mainly by finding alternative solutions to antibiotics and synthetic preservatives due to their bioactive characteristics, but also to their synergistic capacity during the manifestation of different biological properties. The present study is devoted to poly(ethylene brassylate-co-squaric acid) (PEBSA), synthesis and its use for thymol encapsulation and antibacterial system formation. The synthesized copolymer, performed through ethylene brassylate macrolactone ring-opening and copolymerization with squaric acid, was physicochemical characterized. Its amphiphilic character allowed the entrapment of thymol (Ty), a natural monoterpenoid phenol found in oil of thyme, a compound with strong antiseptic properties. The copolymer chemical structure was confirmed by spectroscopic analyses. Thermal analysis evidenced a good thermal stability for the copolymer. Additionally, the antimicrobial activity of PEBSA_Ty complex was investigated against eight different reference strains namely: bacterial strains-Staphylococcus aureus ATCC25923, Escherichia coli ATCC25922, Enterococcus faecalis ATCC 29212, Klebsiella pneumonie ATCC 10031 and Salmonella typhimurium ATCC 14028, yeast strains represented by Candida albicans ATCC10231 and Candida glabrata ATCC 2001, and the fungal strain Aspergillus brasiliensis ATCC9642.
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Affiliation(s)
- Aurica P Chiriac
- Department of Natural Polymers, Bioactive and Biocompatible Materials, Petru Poni Institute of Macromolecular Chemistry, 41 A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Alina Gabriela Rusu
- Department of Natural Polymers, Bioactive and Biocompatible Materials, Petru Poni Institute of Macromolecular Chemistry, 41 A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Loredana Elena Nita
- Department of Natural Polymers, Bioactive and Biocompatible Materials, Petru Poni Institute of Macromolecular Chemistry, 41 A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Ana-Maria Macsim
- Department of Polycondensation and Thermostable Polymers, Petru Poni Institute of Macromolecular Chemistry, 41 A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Nita Tudorachi
- Department of Natural Polymers, Bioactive and Biocompatible Materials, Petru Poni Institute of Macromolecular Chemistry, 41 A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Irina Rosca
- Center of Advanced Research in Bionanoconjugates and Biopolymers, Petru Poni Institute of Macromolecular Chemistry, 41 A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Iuliana Stoica
- Department of Physical Chemistry of Polymers, Petru Poni Institute of Macromolecular Chemistry, 41 A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Daniel Tampu
- Department of Physical Chemistry of Polymers, Petru Poni Institute of Macromolecular Chemistry, 41 A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Magdalena Aflori
- Department of Physics of Polymers and Polymeric Materials, Petru Poni Institute of Macromolecular Chemistry, 41 A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Florica Doroftei
- Department of Physics of Polymers and Polymeric Materials, Petru Poni Institute of Macromolecular Chemistry, 41 A Grigore Ghica Voda Alley, 700487 Iasi, Romania
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Naddeo M, D'Auria I, Viscusi G, Gorrasi G, Pellecchia C, Pappalardo D. Tuning the thermal properties of poly(ethylene)‐like poly(esters) by copolymerization of ε‐caprolactone with macrolactones, in the presence of a pyridylamidozinc(II) complex. JOURNAL OF POLYMER SCIENCE 2020. [DOI: 10.1002/pol.20190085] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Marco Naddeo
- Dipartimento di Scienze e TecnologieUniversità del Sannio via de Sanctis snc, 82100 Benevento Italy
| | - Ilaria D'Auria
- Dipartimento di Chimica e Biologia “A. Zambelli”Università di Salerno via Giovanni Paolo II 132, 84084, Fisciano Salerno Italy
| | - Gianluca Viscusi
- Dipartimento di Ingegneria IndustrialeUniversità di Salerno via Giovanni Paolo II 132, 84084 Fisciano Salerno Italy
| | - Giuliana Gorrasi
- Dipartimento di Ingegneria IndustrialeUniversità di Salerno via Giovanni Paolo II 132, 84084 Fisciano Salerno Italy
| | - Claudio Pellecchia
- Dipartimento di Chimica e Biologia “A. Zambelli”Università di Salerno via Giovanni Paolo II 132, 84084, Fisciano Salerno Italy
| | - Daniela Pappalardo
- Dipartimento di Scienze e TecnologieUniversità del Sannio via de Sanctis snc, 82100 Benevento Italy
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Jin C, Leng X, Zhang M, Wang Y, Wei Z, Li Y. Fully biobased biodegradable poly(
l
‐lactide)‐
b
‐poly(ethylene brassylate)‐
b
‐poly(
l
‐lactide) triblock copolymers: synthesis and investigation of relationship between crystallization morphology and thermal properties. POLYM INT 2020. [DOI: 10.1002/pi.5958] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Chenhao Jin
- State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory of Polymer Science and Engineering, Department of Polymer Science and Engineering, School of Chemical EngineeringDalian University of Technology Dalian China
| | - Xuefei Leng
- State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory of Polymer Science and Engineering, Department of Polymer Science and Engineering, School of Chemical EngineeringDalian University of Technology Dalian China
| | - Manwen Zhang
- State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory of Polymer Science and Engineering, Department of Polymer Science and Engineering, School of Chemical EngineeringDalian University of Technology Dalian China
| | - Yanshai Wang
- State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory of Polymer Science and Engineering, Department of Polymer Science and Engineering, School of Chemical EngineeringDalian University of Technology Dalian China
| | - Zhiyong Wei
- State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory of Polymer Science and Engineering, Department of Polymer Science and Engineering, School of Chemical EngineeringDalian University of Technology Dalian China
| | - Yang Li
- State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory of Polymer Science and Engineering, Department of Polymer Science and Engineering, School of Chemical EngineeringDalian University of Technology Dalian China
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