A comparative study on grafting polymers from cellulose nanocrystals via surface-initiated atom transfer radical polymerization (ATRP) and activator re-generated by electron transfer ATRP

Zhang, Zhen; Wang, Xiaosong; Tam, Kam Chiu; Sèbe, Gilles

doi:10.1016/j.carbpol.2018.10.050

Cited by 74 publications

(86 citation statements)

References 50 publications

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“…Biodegradable raw material with an extremely low cost has proved to be a promising a natural material with high application potential. The nanocellulose crystals (CNC) issue has resulted in the publication of numerous papers presenting the effect of CNC modification using controlled radical polymerization in the last decade [112,113,114,115,116,117,118,119,120]. The use of the ATRP technique for a material that is CNC has enabled the control of the structure of grafted polymer chains leading to the acquisition of a well-defined nature-based nanomaterial.…”

Section: Cellulose Nanocrystal Modified Via Si-atrp—nature-based Nmentioning

confidence: 99%

“…The ARGET ATRP reaction was carried out in the presence of excess ascorbic acid as a reducing agent to ensure the continued regeneration of Cu I of Cu II . Therefore, the amount of Cu catalyst was reduced from 2000 ppm in ATRP to 25 ppm in ARGET ATRP [120].…”

Section: Cellulose Nanocrystal Modified Via Si-atrp—nature-based Nmentioning

confidence: 99%

“…The differences found with SI-ATRP and SI-ARGET ATRP from CNC-Br showed that the latter one promotes the grafting of longer polymer chains with lower grafting densities. Observed differences between applied approaches resulted from significantly lower catalyst concentration (25 ppm) and higher propagation in the SI-ARGET ATRP system [120].…”

Section: Cellulose Nanocrystal Modified Via Si-atrp—nature-based Nmentioning

confidence: 99%

“…Schematic illustration of the proposed mechanism to account for the differences found with SI-ATRP and SI-ARGET ATRP from CNC-Br. Reproduced with permission from reference [120]. …”

Section: Figures and Schemesmentioning

confidence: 99%

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Surface-Initiated Atom Transfer Radical Polymerization for the Preparation of Well-Defined Organic–Inorganic Hybrid Nanomaterials

Flejszar

Chmielarz

2019

Materials

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Surface-initiated atom transfer radical polymerization (SI-ATRP) is a powerful tool that allows for the synthesis of organic–inorganic hybrid nanomaterials with high potential applications in many disciplines. This review presents synthetic achievements and modifications of nanoparticles via SI-ATRP described in literature last decade. The work mainly focuses on the research development of silica, gold and iron polymer-grafted nanoparticles as well as nature-based materials like nanocellulose. Moreover, typical single examples of nanoparticles modification, i.e., ZnO, are presented. The organic–inorganic hybrid systems received according to the reversible deactivation radical polymerization (RDRP) approach with drastically reduced catalyst complex concentration indicate a wide range of applications of materials including biomedicine and microelectronic devices.

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Section: Cellulose Nanocrystal Modified Via Si-atrp—nature-based Nmentioning

confidence: 99%

Section: Cellulose Nanocrystal Modified Via Si-atrp—nature-based Nmentioning

confidence: 99%

Section: Cellulose Nanocrystal Modified Via Si-atrp—nature-based Nmentioning

confidence: 99%

“…Schematic illustration of the proposed mechanism to account for the differences found with SI-ATRP and SI-ARGET ATRP from CNC-Br. Reproduced with permission from reference [120]. …”

Section: Figures and Schemesmentioning

confidence: 99%

See 2 more Smart Citations

Surface-Initiated Atom Transfer Radical Polymerization for the Preparation of Well-Defined Organic–Inorganic Hybrid Nanomaterials

Flejszar

Chmielarz

2019

Materials

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“…A wide range of methods have been used for modification of inorganic and organic surfaces with various polymeric brushes, including reversible addition-fragmentation chain transfer polymerization (RAFT) [15][16][17][18][19][20], nitroxide-mediated polymerization (NMP) [21][22][23], as well as atom transfer radical polymerization (ATRP) [4,14,[24][25][26][27][28][29][30][31]. The ATRP technique is distinguished by a wide spectrum of advantages making it a useful tool for the synthesis of new functional materials.…”

Section: Introductionmentioning

confidence: 99%

Polymer Brushes via Surface-Initiated Electrochemically Mediated ATRP: Role of a Sacrificial Initiator in Polymerization of Acrylates on Silicon Substrates

et al. 2020

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Silicon wafers as semiconductors are essential components of integrated circuits in electronic devices. For this reason, modification of the silicon surface is an important factor in the manufacturing of new hybrid materials applied in micro- and nanoelectronics. Herein, copolymer brushes of hydrophilic poly(2-hydroxyethyl acrylate) (PHEA) and hydrophobic poly(tert-butyl acrylate) (PtBA) were grafted from silicon wafers via simplified electrochemically mediated atom transfer radical polymerization (seATRP) according to a surface-initiated approach. The syntheses of PHEA-b-PtBA copolymers were carried out with diminished catalytic complex concentration (successively 25 and 6 ppm of Cu). In order to optimize the reaction condition, the effect of the addition of a supporting electrolyte was investigated. A controlled increase in PHEA brush thickness was confirmed by atomic force microscopy (AFM). Various other parameters including contact angles and free surface energy (FSE) for the modified silicon wafer were presented. Furthermore, the effect of the presence of a sacrificial initiator in solution on the thickness of the grafted brushes was reported. Successfully fabricated inorganic–organic hybrid nanomaterials show potential application in biomedicine and microelectronics devices, e.g., biosensors.

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Nanocellulose: Recent Fundamental Advances and Emerging Biological and Biomimicking Applications

et al. 2020

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In the effort toward sustainable advanced functional materials, nanocelluloses have attracted extensive recent attention. Nanocelluloses range from rod‐like highly crystalline cellulose nanocrystals to longer and more entangled cellulose nanofibers, earlier denoted also as microfibrillated celluloses and bacterial cellulose. In recent years, they have spurred research toward a wide range of applications, ranging from nanocomposites, viscosity modifiers, films, barrier layers, fibers, structural color, gels, aerogels and foams, and energy applications, until filtering membranes, to name a few. Still, nanocelluloses continue to show surprisingly high challenges to master their interactions and tailorability to allow well‐controlled assemblies for functional materials. Rather than trying to review the already extensive nanocellulose literature at large, here selected aspects of the recent progress are the focus. Water interactions, which are central for processing for the functional properties, are discussed first. Then advanced hybrid gels toward (multi)stimuli responses, shape‐memory materials, self‐healing, adhesion and gluing, biological scaffolding, and forensic applications are discussed. Finally, composite fibers are discussed, as well as nanocellulose as a strategy for improvement of photosynthesis‐based chemicals production. In summary, selected perspectives toward new directions for sustainable high‐tech functional materials science based on nanocelluloses are described.

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A comparative study on grafting polymers from cellulose nanocrystals via surface-initiated atom transfer radical polymerization (ATRP) and activator re-generated by electron transfer ATRP

Cited by 74 publications

References 50 publications

Surface-Initiated Atom Transfer Radical Polymerization for the Preparation of Well-Defined Organic–Inorganic Hybrid Nanomaterials

Surface-Initiated Atom Transfer Radical Polymerization for the Preparation of Well-Defined Organic–Inorganic Hybrid Nanomaterials

Polymer Brushes via Surface-Initiated Electrochemically Mediated ATRP: Role of a Sacrificial Initiator in Polymerization of Acrylates on Silicon Substrates

Nanocellulose: Recent Fundamental Advances and Emerging Biological and Biomimicking Applications

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