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Dutra L, Vasconcelos M, Cazumba A, Scaldaferri MC, Dos Santos Andrade MH, Pinto JC. EFFECT OF OXYGENATED COMPOUNDS ON 1,3-BUTADIENE POLYMERIZATIONS PERFORMED WITH NEODYMIUM VERSATATE. PART I: ALCOHOLS, ALDEHYDES, KETONES, AND WATER. RUBBER CHEMISTRY AND TECHNOLOGY 2021. [DOI: 10.5254/rct.21.78979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
ABSTRACT
1,3-butadiene (1,3-BD) is a building block produced mainly as a byproduct of the ethylene steam cracking process. However, due to the growing interest in sustainable technologies, there is also growing interest in manufacturing 1,3-BD from ethanol. For this reason, taking into account that the ethanol-derived 1,3-BD can contain oxygenated contaminants that are difficult to remove, the present manuscript investigates for the first time how the presence of low concentrations of some oxygenates (acetaldehyde, crotonaldehyde, 3-hydroxybutyraldehyde, acetone, water, ethanol, 1,3-butanodiol, 3-buten2-ol, crotyl alcohol, and 1-butanol) in the 1,3-BD monomer can affect polymerization reactions performed with the neodymium versatate catalyst and modify the characteristics of the obtained polybutadiene products. It is shown that the presence of oxygenated compounds can cause inhibitory effects on the course of the polymerization and modify the molar mass distributions and flow properties of the final products, although all analyzed samples presented the characteristic high-cis character of polybutadienes produced with the neodymium versatate catalyst.
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Affiliation(s)
- Luciana Dutra
- Escola de Química, Universidade Federal do Rio de Janeiro, Cidade Universitária, CP 68525, Rio de Janeiro, RJ 21941-598, Brazil
- Programa de Engenharia Química/Coppe, Universidade Federal do Rio de Janeiro, Cidade Universitária, CP 68502, Rio de Janeiro, RJ 21941-972, Brazil
| | - Mateus Vasconcelos
- Programa de Engenharia Química/Coppe, Universidade Federal do Rio de Janeiro, Cidade Universitária, CP 68502, Rio de Janeiro, RJ 21941-972, Brazil
| | - Anderson Cazumba
- Programa de Engenharia Química/Coppe, Universidade Federal do Rio de Janeiro, Cidade Universitária, CP 68502, Rio de Janeiro, RJ 21941-972, Brazil
| | | | | | - José Carlos Pinto
- Escola de Química, Universidade Federal do Rio de Janeiro, Cidade Universitária, CP 68525, Rio de Janeiro, RJ 21941-598, Brazil
- Programa de Engenharia Química/Coppe, Universidade Federal do Rio de Janeiro, Cidade Universitária, CP 68502, Rio de Janeiro, RJ 21941-972, Brazil
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Vasconcelos MK, Nele M, Pinto JC. POLAR ADDITIVES IN 1,3-BUTADIENE POLYMERIZATION. RUBBER CHEMISTRY AND TECHNOLOGY 2021. [DOI: 10.5254/rct.21.79933] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
ABSTRACT
Butadiene rubbers are frequently produced through solution polymerizations using Ziegler–Natta catalysts based on neodymium. Particularly, there is great interest in developing rubbers that present enhanced processability during the formulation step. For this reason, the present work investigated the production of butadiene rubbers in the presence of polar additives, such as methyl methacrylate, methacrylic acid, and water, through solution polymerizations, using neodymium versatate as catalyst. The obtained results confirmed the possibility of producing butadiene rubbers with polar character that presented improved processability properties during the vulcanization stage. In addition, a new use for water and the manufacture of copolymers of butadiene and oxygenated monomers in polymerization processes that make use of neodymium catalysts are reported for the first time.
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Affiliation(s)
- Mateus K. Vasconcelos
- Programa de Engenharia Química/COPPE, Universidade Federal do Rio de Janeiro, CP: 68502, Rio de Janeiro, 21941-972 RJ, Brazil
- Programa de Pós-Graduação em Processos Químicos e Bioquímicos, Escola de Química, Universidade Federal do Rio de Janeiro, CP: 68542, Rio de Janeiro 21941-909 RJ, Brazil
| | - Márcio Nele
- Programa de Engenharia Química/COPPE, Universidade Federal do Rio de Janeiro, CP: 68502, Rio de Janeiro, 21941-972 RJ, Brazil
- Programa de Pós-Graduação em Processos Químicos e Bioquímicos, Escola de Química, Universidade Federal do Rio de Janeiro, CP: 68542, Rio de Janeiro 21941-909 RJ, Brazil
| | - José Carlos Pinto
- Programa de Engenharia Química/COPPE, Universidade Federal do Rio de Janeiro, CP: 68502, Rio de Janeiro, 21941-972 RJ, Brazil
- Programa de Pós-Graduação em Processos Químicos e Bioquímicos, Escola de Química, Universidade Federal do Rio de Janeiro, CP: 68542, Rio de Janeiro 21941-909 RJ, Brazil
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Verrieux L, Thuilliez J, Jean-Baptiste-dit-Dominique F, Boisson C, Poradowski MN, Perrin L. Ene/Diene Copolymerization Catalyzed by Cationic Sc and Gd d0 Metal Complexes: Speciation, Ion Pairing, and Selectivity from a Computational Perspective. ACS Catal 2020. [DOI: 10.1021/acscatal.0c02657] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ludmilla Verrieux
- Université de Lyon, Université Claude Bernard Lyon I, CNRS, INSA, CPE, UMR 5246, ICBMS, 1 rue Victor Grignard, F-69622 Villeurbanne Cedex, France
- Manufacture Michelin, 23 pl Carmes Déchaux, F-63000 Clermont-Ferrand, France
| | - Julien Thuilliez
- Manufacture Michelin, 23 pl Carmes Déchaux, F-63000 Clermont-Ferrand, France
| | | | - Christophe Boisson
- Université de Lyon, Université Claude Bernard Lyon 1, CPE Lyon, CNRS, UMR 5265, Chemistry, Catalysis, Polymers and Processes (C2P2), 43 Bd du 11 Novembre 1918, 69616 Villeurbanne, France
| | - Marie-Noëlle Poradowski
- Université de Lyon, Université Claude Bernard Lyon I, CNRS, INSA, CPE, UMR 5246, ICBMS, 1 rue Victor Grignard, F-69622 Villeurbanne Cedex, France
- Manufacture Michelin, 23 pl Carmes Déchaux, F-63000 Clermont-Ferrand, France
| | - Lionel Perrin
- Université de Lyon, Université Claude Bernard Lyon I, CNRS, INSA, CPE, UMR 5246, ICBMS, 1 rue Victor Grignard, F-69622 Villeurbanne Cedex, France
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Shokri AA, Talebi S, Salami-Kalajahi M. Polybutadiene Rubber/Graphene Nanocomposites Prepared via In Situ Coordination Polymerization Using the Neodymium-Based Ziegler–Natta Catalyst. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c02607] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ahmad-ali Shokri
- Faculty of Polymer Engineering, Sahand University of Technology, P.O. Box 51335-1996, 5166614711 Tabriz, Iran
| | - Saeid Talebi
- Institute of Polymeric Materials, Sahand University of Technology, P.O. Box 51335-1996, 5331811111 Tabriz, Iran
| | - Mehdi Salami-Kalajahi
- Faculty of Polymer Engineering, Sahand University of Technology, P.O. Box 51335-1996, 5166614711 Tabriz, Iran
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