Studies of Immobilized Catalysts – Introduction

Trapp, Oliver; Troendlin, Johannes

doi:10.1002/9783527673278.part5

Cited by 3 publications

(2 citation statements)

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“…Throughout recent decades of catalysis science, the development and potential applications of various implementations of immobilized catalysis have attracted no shortage of attention. − Of growing interest in more recent years is the possibility to harness the versatile morphologies of multicompartment micelles (MCMs) to create catalytic nanoreactors. − As is well known, the traditional micelle results from self-assembly of diblock co-polymers consisting of hydrophilic heads and hydrophobic tails in aqueous conditions. , The multicompartment micelle (MCM) likewise results from polymers of three (or more) mutually immiscible blocks, each with different solvophilicities, self-assembling in the solution into complex structures containing distinct regions or “compartments” of the species in the various co-polymer blocks. − …”

Section: Introductionmentioning

confidence: 99%

Effect of Block Length and Side Chain Length Ratios on Determining a Multicompartment Micelle Structure

et al. 2019

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Previous work has identified the importance of the lipophilic–fluorophilic block length ratio in predicting the morphology of linear lipophilic–hydrophilic–fluorophilic (hereafter referred to as BAC) micelle systems. Here, a generalized form of this structural parameter is developed that makes no assumption of BAC triblock co-polymer linearity, while still providing accurate predictions of the micelle morphology. The morphologies of BAC micelles formed by triblock co-polymers with or have similar features, with the only notable difference being an inversion of the lipophilic and fluorophilic regions. A destabilization of the single-core micelle structure occurs as approaches unity from either direction. Finally, the extent to which the micelle morphology depends on the polymer architecture instead of the composition alone is examined, with a decreased patchiness observed in BAC systems with very long block lengths. Through the modification of both the -value and the polymer architecture, the micelle morphology can be effectively tuned for use in immobilized catalysis and nanoreactor applications.

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Section: Introductionmentioning

confidence: 99%

Effect of Block Length and Side Chain Length Ratios on Determining a Multicompartment Micelle Structure

et al. 2019

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“…Efficient reaction design forms an important foundation of many processes in modern chemistry. Reaction optimization has far-reaching effects that greatly improve many other facets of polymer manufacturing, pharmaceutical production, and related industries. − In particular, the field of immobilized molecular catalysis has attracted particular interest in recent decades. − By allowing high selectivity and reaction rates traditionally achieved by homogeneous catalysis while still yielding the excellent separability offered by heterogeneous catalysis, this field presents an opportunity to leverage the advantages of both techniques. − …”

Section: Introductionmentioning

confidence: 99%

Structural Tunability of Multicompartment Micelles as a Function of Lipophilic–Fluorophilic Block Length Ratio

et al. 2018

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Structural variation in multicompartment micelles consisting of lipophilic–hydrophilic–fluorophilic (hereafter referred to as BAC) triblock copolymers is investigated using the dissipative particle dynamics simulation method. It is demonstrated from our results that the structure of BAC multicompartment micelles is effectively tuned as a function of the lipophilic–fluorophilic ratio parameter, here termed , of the constituent linear triblock copolymers. In particular, a morphological deviation from onion-like ABC micelles arises in BAC micelle systems as increases. The morphologies of BAC micelles with or display striking similarities, with the only notable difference being an inversion of the lipophilic and fluorophilic regions. When , segmented worm-like structures with multiple cores are favored in BAC micelle systems. Through this study, it is confirmed that the block length ratio is an effective control parameter to tune the structure of multicompartment micelles.

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Hydroaminomethylation reaction as powerful tool for preparation of rhodium/phosphine-functionalized nanomaterials. Catalytic evaluation in styrene hydroformylation

et al. 2020

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Studies of Immobilized Catalysts – Introduction

Cited by 3 publications

References 50 publications

Effect of Block Length and Side Chain Length Ratios on Determining a Multicompartment Micelle Structure

Effect of Block Length and Side Chain Length Ratios on Determining a Multicompartment Micelle Structure

Structural Tunability of Multicompartment Micelles as a Function of Lipophilic–Fluorophilic Block Length Ratio

Hydroaminomethylation reaction as powerful tool for preparation of rhodium/phosphine-functionalized nanomaterials. Catalytic evaluation in styrene hydroformylation

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