Vesicles from the self-assembly of coil–rod–coil triblock copolymers in selective solvents

Chen, Zenglei; Wang, Xianghong; Zhang, Linxi; He, Linli

doi:10.1016/j.polymer.2014.04.038

Cited by 11 publications

(7 citation statements)

References 29 publications

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“…In recent years, ABA triblock copolymers containing two hard segments A and one soft segment B have drawn much attention due to their widespread applications in industry and their abundant self-assembled structures. − Thermoplastic elastomers, the most successful applications in industry for ABA triblock copolymers, are widely used in many fields, such as footwear industries, auto parts, asphalts, adhesives, and medical equipment . In the present study, we are interested in sulfur-containing ABA triblock copolymers, where A is the hard, semicrystalline poly(ethylene monothiocarbonate) (PEMC) and B is soft, amorphous poly(propylene monothiocarbonate) (PPMC).…”

Section: Resultsmentioning

confidence: 99%

Crystalline and Elastomeric Poly(monothiocarbonate)s Prepared from Copolymerization of COS and Achiral Epoxide

Ren

Yue

et al. 2016

Macromolecules

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The semicrystalline poly(monothiocarbonate)s were prepared by the copolymerization of carbonyl sulfide (COS) and ethylene oxide, an achiral epoxide, using a bifunctional chromium(III) complex as catalyst. The resultant copolymer, possessing perfectly alternating structure, high molecular weight, and narrow polydispersity, has a melting temperature of 128.2 °C, with a melting enthalpy up to 75.44 J/g. Moreover, an ABA triblock copolymer containing the "hard" semicrystalline poly(ethylene monothiocarbonate) (A) and the "soft" amorphous poly(propylene monothiocarbonate) (B) is synthesized by stepwise addition of epoxides. The tensile testing demonstrates the triblock copolymer may have the potential as a thermoplastic elastomer.

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Section: Resultsmentioning

confidence: 99%

Crystalline and Elastomeric Poly(monothiocarbonate)s Prepared from Copolymerization of COS and Achiral Epoxide

Ren

Yue

et al. 2016

Macromolecules

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“…In another study, Wengenmayr et al [ 51 ], via a mean-field model, observed the splitting of unimolecular single-core micelles of dendritic-linear copolymers to a multicore structure, with increasing dendrimer generation and decreasing solvent selectivity. On the computational side, DPD simulations which employ particle-based, mesoscale level modeling of the polymer chains and their assembly and dynamics, have turned out to be an adaptable and reasonably successful tool for examining the formation and assembly responses of polymeric micelles [ 46 , 52 , 53 , 54 ]. In particular, multicore and multicompartment micelles have been studied via DPD by Zhao et al [ 3 ], who investigated the formation of multicompartment micelles from a dilute aqueous solution of the mixture of di-block copolymer poly (ethyl ethylene)-block-poly (ethylene oxide) (PEE- b -PEO) and homopolymer poly(propylene oxide) (PPO).…”

Section: Introductionmentioning

confidence: 99%

Multicore Assemblies from Three-Component Linear Homo-Copolymer Systems: A Coarse-Grained Modeling Study

et al. 2021

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Multicore polymer micelles and aggregates are assemblies that contain several cores. The dual-length-scale compartmentalized solvophobic–solvophilic molecular environment makes them useful for, e.g., advanced drug delivery, high-precision synthesis platforms, confined catalysis, and sensor device applications. However, designing and regulating polymer systems that self-assemble to such morphologies remains a challenge. Using dissipative particle dynamics (DPD) simulations, we demonstrate how simple, three-component linear polymer systems consisting of free solvophilic and solvophobic homopolymers, and di-block copolymers, can self-assemble in solution to form well-defined multicore assemblies. We examine the polymer property range over which multicore assemblies can be expected and how the assemblies can be tuned both in terms of their morphology and structure. For a fixed degree of polymerization, a certain level of hydrophobicity is required for the solvophobic component to lead to formation of multicore assemblies. Additionally, the transition from single-core to multicore requires a relatively high solvophobicity difference between the solvophilic and solvophobic polymer components. Furthermore, if the solvophilic polymer is replaced by a solvophobic species, well-defined multicore–multicompartment aggregates can be obtained. The findings provide guidelines for multicore assemblies’ formation from simple three-component systems and how to control polymer particle morphology and structure.

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“…Among usual mesoscopic simulation methods, for instance molecular dynamics (MD) simulation whose time scales are too short to observe the formation of the micelles, and the simulation at atom level is also very expensive [20][21][22], dissipative particle dynamics (DPD) which allows for a much larger time step and length scales is widely used in the simulation of coarse-grained models of fairly complex systems [23,24]. Recently, DPD simulations become a systematic and efficient method to explore the microstructure and the formation mechanism of polymeric micelles [25][26][27].…”

Section: Introductionmentioning

confidence: 99%

Mesoscopic simulation studies on the formation mechanism of drug loaded polymeric micelles

Yan

Zhu

Zhou

et al. 2015

Colloids and Surfaces B: Biointerfaces

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Vesicles from the self-assembly of coil–rod–coil triblock copolymers in selective solvents

Cited by 11 publications

References 29 publications

Crystalline and Elastomeric Poly(monothiocarbonate)s Prepared from Copolymerization of COS and Achiral Epoxide

Crystalline and Elastomeric Poly(monothiocarbonate)s Prepared from Copolymerization of COS and Achiral Epoxide

Multicore Assemblies from Three-Component Linear Homo-Copolymer Systems: A Coarse-Grained Modeling Study

Mesoscopic simulation studies on the formation mechanism of drug loaded polymeric micelles

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