Articles with "copolymerization" as a keyword



Solvent‐Free Fabrication of Robust Physical Hydrogels via Bulk Copolymerization for Underwater Acoustics

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Published in 2025 at "Advanced Materials"

DOI: 10.1002/adma.202508162

Abstract: Conventional hydrogel preparation typically involves the use of solvents (mostly water), which increases the free volume between polymer chains and weakens their interactions, resulting in mechanically weak hydrogels with limited viscoelasticity. Here, a solvent‐free synthesis… read more here.

Keywords: physical hydrogels; acoustics; water; copolymerization ... See more keywords

Toughening of a Soft Polar Polythiophene through Copolymerization with Hard Urethane Segments

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Published in 2021 at "Advanced Science"

DOI: 10.1002/advs.202002778

Abstract: Abstract Polar polythiophenes with oligoethylene glycol side chains are exceedingly soft materials. A low glass transition temperature and low degree of crystallinity prevents their use as a bulk material. The synthesis of a copolymer comprising… read more here.

Keywords: hard urethane; toughening soft; urethane segments; copolymerization ... See more keywords

Alternating ring‐opening copolymerization of cyclic anhydrides and epoxides by zeolitic imidazolate framework‐67: A promising approach

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Published in 2024 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.7416

Abstract: The ring opening copolymerization (ROCOP) of epoxides and cyclic anhydrides is one of the most important ways to synthesize polyesters both in industrial and academic fields. Herein, the zeolitic imidazolate framework‐67 (ZIF‐67) was used as… read more here.

Keywords: opening copolymerization; rocop; copolymerization; ring opening ... See more keywords

Tunable thermal degradation and refractive index of poly(norbornene sulfone)s via two different polymerization methods

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Published in 2017 at "Journal of Applied Polymer Science"

DOI: 10.1002/app.44534

Abstract: A novel polysulfone was easily synthesized by alternating copolymerization of norbornene with sulfur dioxide (SO2) via free radical copolymerization and coordination copolymerization. Compared with other olefin derivatives, norbornene is a cyclic olefin having a larger… read more here.

Keywords: different polymerization; polymerization; norbornene sulfone; copolymerization ... See more keywords

Adhesion control of interface between cellulose and polypropylene by vapor‐phase assisted surface copolymerization

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Published in 2018 at "Journal of Applied Polymer Science"

DOI: 10.1002/app.45647

Abstract: In order to achieve the effective interface bonding between biomass microfiller and commodity plastics, consecutive copolymerization of hydrophilic acrylic acid (AA) and hydrophobic butyl acrylate (BA) using vapor-phase assisted surface polymerization (VASP) technology was applied… read more here.

Keywords: surface; assisted surface; phase assisted; vapor phase ... See more keywords

Influence of Silane‐Type Electron Donors on Ziegler–Natta Catalysts in Ethylene Polymerization and Ethylene/α‐Olefin Copolymerization

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Published in 2025 at "ChemCatChem"

DOI: 10.1002/cctc.202500342

Abstract: This study examines the influence of silane‐type electron donors on the performance of Ziegler–Natta (ZN) catalysts in ethylene polymerization and ethylene/α‐olefin copolymerization. Three electron donors, dicyclopentyl dimethoxysilane (D donor), dipiperidyl dimethoxysilane (DPPDMS), and dipyrrolidinyl dimethoxysilane… read more here.

Keywords: type electron; copolymerization; silane type; electron donors ... See more keywords

Sequence‐Controlled Copolymerization of Structurally Well‐Defined Multinuclear Zinc Acrylate Complexes and Styrene

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Published in 2024 at "Macromolecular Rapid Communications"

DOI: 10.1002/marc.202400742

Abstract: Abstract The copolymerization of two or more monomers produces polymeric materials with unique properties that cannot be achieved with homopolymers. However, precise control over the polymer sequence remains challenging because the sequence is determined by… read more here.

Keywords: multinuclear zinc; zinc acrylate; copolymerization; sequence ... See more keywords

Aluminum triflate-cocatalyzed radical copolymerization of styrene and ethyl acrylate

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Published in 2019 at "Polymer Bulletin"

DOI: 10.1007/s00289-019-02847-3

Abstract: Various random copolymers, poly(styrene- co -ethyl acrylate), were synthesized by free radical bulk copolymerization cocatalyzed by aluminum triflate (Al(OTf) 3 ). The experimental conditions for the polymerization reactions, which include the amount of cocatalyst, polymerization… read more here.

Keywords: aluminum triflate; styrene ethyl; copolymerization; ethyl acrylate ... See more keywords

Structural and functional modification of cellulose nanofibrils using graft copolymerization with glycidyl methacrylate by Fe2+–thiourea dioxide–H2O2 redox system

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Published in 2019 at "Cellulose"

DOI: 10.1007/s10570-019-02411-2

Abstract: To graft epoxy and ester functional groups onto cellulose nanofibrils (CNFs) and to overcome their poor hydrophobicity, we studied the modification of CNFs using graft copolymerization with glycidyl methacrylate (GMA) by a Fe2+–thiourea dioxide–H2O2 initiator… read more here.

Keywords: system; h2o2; copolymerization; graft copolymerization ... See more keywords
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Copolymerization of azide-containing carbonate with lactide and post functionalization

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Published in 2020 at "Journal of Polymer Research"

DOI: 10.1007/s10965-020-02117-1

Abstract: The intention of this work was to study the polymerization of a cyclic carbonate monomer bearing one azido group, i.e. 2-(azidemethyl)-2-methyltrimethylene carbonate (AMTC), to disclose the characteristics of the resulted polymers and to explore the… read more here.

Keywords: reaction; post functionalization; copolymerization; carbonate ... See more keywords
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Polymerization with Borane Chemistry. Tributylborane/p-Quinone System as a New Method of Reversible-Deactivation Radical Copolymerization for Styrene and Methyl Acrylate

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Published in 2020 at "Macromolecular Research"

DOI: 10.1007/s13233-020-8111-3

Abstract: We report a reversible-deactivation radical copolymerization of styrene and methyl acrylate in the presence of tributylborane and different p-quinones. p-Quinones, such as 1,4-naphthoquinone, 2,3-dimethyl-1,4-benzoquinone, 2,5-ditert-1,4-butylbenzoquinone, and duroquinone, with addition of a catalytic amount of tributylborane,… read more here.

Keywords: styrene methyl; chemistry; copolymerization; methyl acrylate ... See more keywords