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441 Newest Publications about the topic propylene oxide

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A computational study of the catalytic aerobic epoxidation of propylene over the coordinatively unsaturated metal–organic framework Fe3(btc)2: formation of propylene oxide and competing reactions

26-May-2018 | Thana Maihom; Montree Sawangphruk; Michael Probst; Jumras Limtrakul, Physical Chemistry Chemical Physics, 2018

The aerobic epoxidation of propylene over the metal–organic framework Fe3(btc)2 (btc = 1,3,5-benzentricarboxylate) as catalyst has been investigated by means of density functional calculations. The mechanisms of the reaction towards propylene oxide, carbonylic products (acetone and propanal) and ...

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IJMS, Vol. 19, Pages 775: PEO-PPO-PEO Tri-Block Copolymers for Gene Delivery Applications in Human Regenerative Medicine—An Overview

08-Mar-2018 | Rey-Rico, Ana ; Cucchiarini, Magali, International Journal of Molecular Sciences, 2018

IJMS, Vol. 19, Pages 775: PEO-PPO-PEO Tri-Block Copolymers for Gene Delivery Applications in Human Regenerative Medicine—An Overview International Journal of Molecular Sciences doi: 10.3390/ijms19030775 Authors: Ana Rey-Rico Magali Cucchiarini Lineal (poloxamers or Pluronic®) or ...

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Molecules, Vol. 23, Pages 298: Highly Efficient One-Pot Synthesis of COS-Based Block Copolymers by Using Organic Lewis Pairs

31-Jan-2018 | Yang, Jia-Liang ; Cao, Xiao-Han ; Zhang, Cheng-Jian ; Wu, Hai-Lin ; Zhang, Xing-Hong, Molecules, 2018

Molecules, Vol. 23, Pages 298: Highly Efficient One-Pot Synthesis of COS-Based Block Copolymers by Using Organic Lewis Pairs Molecules doi: 10.3390/molecules23020298 Authors: Jia-Liang Yang Xiao-Han Cao Cheng-Jian Zhang Hai-Lin Wu Xing-Hong Zhang A one-pot synthesis of block ...

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Copolymerization of Epoxides and CO2 by Cobalt(II) Oxaporphyrins with Mechanistic Explorations on Poly(Propylene Carbonate) Formation

16-Jan-2018 | Wei Xia, Xing‐Yu Sun, Macromolecular Chemistry and Physics, 2018

Abstract Two cobalt(II) oxaporphyrins (OTPPCoCl and OTPPCoSbF6) are synthesized in this work and are characterized, including by X‐ray crystallography. Both complexes are tested as catalysts in the copolymerization of propylene oxide (PO)/cyclohexene oxide (CHO) and CO2. Polycarbonate is ...

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Hierarchical Porous Carbon Nanospheres for Efficient Removal of Toxic Organic Water Contaminants of Phenol and Methylene Blue

16-Jan-2018 | Sukanya Kundu; Ipsita Hazra Chowdhury; Milan Kanti Naskar, Journal of Chemical & Engineering Data, 2018

Hierarchical porous carbon nanospheres were synthesized by a hydrothermal process at 130 °C/24 h using different triblock copolymers such as F108 (PEO133PPO50PEO133; PEO, poly(ethylene oxide); PPO, poly(propylene oxide)), F127 (PEO106PPO70PEO106), and L64 (PEO13PPO30PEO13) as soft templating ...

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Aloe vera gel influence on the micellization behavior of copolymer Pluronic F127: A potential photosensitizer carrier for topical application

08-Jan-2018 | Luis Alberto Soto Dantas Silva, Rafael Leone da Cruz de Jesus, Raildo Alves Fiuza‐Junior, Heloysa Martins Carvalho A ..., Journal of Applied Polymer Science, 2018

ABSTRACT This work describes the influence of aloe vera gel on Pluronic F127 triblock copolymer (F127) micellization behavior. Aloe vera gel was obtained from aloe vera mucilage found in leaf pulp. F127 (20% w/w) gel and the aloe vera/F127 blend gel were obtained by using the cold method. ...

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Functional Polycarbonates from Carbon Dioxide and Tailored Epoxide Monomers: Degradable Materials and Their Application Potential

08-Jan-2018 | Markus Scharfenberg, Jeannette Hilf, Holger Frey, Advanced Functional Materials, 2018

Abstract Aliphatic polycarbonates synthesized from carbon dioxide (CO2) and epoxides are resource‐saving, highly biocompatible and biodegradable polymers. Since the discovery of the copolymerization of epoxides and CO2 in 1969 by Inoue et al., this has become an important and useful technology ...

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All-Atom Molecular Dynamics-Based Analysis of Membrane-Stabilizing Copolymer Interactions with Lipid Bilayers Probed under Constant Surface Tensions

20-Nov-2017 | Evelyne M. Houang; Frank S. Bates; Yuk Y. Sham; Joseph M. Metzger, Journal of Physical Chemistry B, 2017

An all-atom phospholipid bilayer and triblock copolymer model was developed for molecular dynamics (MD) studies. These were performed to investigate the mechanism of interaction between membrane-stabilizing triblock copolymer P188 and 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphatidylcholine (POPC) ...

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Mechanistic Study of Regio-Defects in the Copolymerization of Propylene Oxide/Carbonyl Sulfide Catalyzed by (Salen)CrX Complexes

26-Oct-2017 | Yang Li; Han-Yi Duan; Ming Luo; Ying-Ying Zhang; Xing-Hong Zhang; Donald J. Darensbourg, Macromolecules, 2017

Small quantities of regio-defects in a regio-/stereoregular polymer weaken its tacticity and properties. This work clarified the origin of the regio-defect in the process of synthesizing poly(monothiocarbonate) through the copolymerization of propylene oxide (PO) and carbonyl sulfide (COS) ...

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Quantifying Binding of Ethylene Oxide–Propylene Oxide Block Copolymers with Lipid Bilayers

25-Oct-2017 | Wenjia Zhang; Karen J. Haman; Joseph M. Metzger; Benjamin J. Hackel; Frank S. Bates; Timothy P. Lodge, Langmuir, 2017

Block copolymers composed of poly(ethylene oxide) (PEO) and poly(propylene oxide) (PPO) have been widely used in cell membrane stabilization and permeabilization. To explore the mechanism of interaction between PPO–PEO block copolymers and lipid membranes, we have investigated how polymer ...

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