Synthesis, properties and thermal stability of water‐soluble poly(potassium 1‐hydroxyacrylate‐<i>co</i>‐styrene) copolymer

Kumar, Bijender; Negi, Yuvraj Singh

doi:10.1002/pi.5484

Cited by 7 publications

(3 citation statements)

References 44 publications

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“…These polymers exceed the molar mass upper limit of our SEC/LS detector; therefore, SLS was employed to determine their weight-averaged molecular weight (M w ). [28][29][30] The M w of the polymers was determined by SLS at 623 nm between angles 30 -150 with various concentrations of each polymer prepared (0.2-2.0 mg mL −1 ). The M w and radius of gyration (R g ) were determined via a Zimm plot analysis (Supporting Information Table S1, ESI).…”

Section: Preparation Of Uhmw Polymers Via Bio-fenton Raft Polymerizatmentioning

confidence: 99%

Synthesis of ultra‐high molecular weight polymers by controlled production of initiating radicals

Reyhani

Allison‐Logan

Ranji‐Burachaloo

et al. 2019

J. Polym. Sci. Part A: Polym. Chem.

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This study demonstrates that the gradual and slow production of initiating radicals (i.e., hydroxyl radicals here) is the key point for the synthesis of ultra‐high molecular weight (UHMW) polymers via controlled radical polymerization. Hydrogen peroxide (H2O2) and ferrous iron (Fe2+) react via Fenton redox chemistry to initiate RAFT polymerization. This work presents two enzymatic‐mediated (i.e., Bio‐Fenton‐RAFT and Semi Bio‐Fenton‐RAFT) and one syringe pump‐driven Fenton‐RAFT polymerization processes in which the initiating radicals are carefully and gradually dosed into the reaction solution. The “livingness” of the synthesized UHMW polymers is demonstrated by chain extension and aminolysis experiments. Zimm plots obtained from static light scattering (SLS) technique are used to characterize the UHMW polymers. This Fenton‐RAFT polymerization provides access to polymers of unprecedented UHMW (Mw ~ 20 × 106 g mol−1) with potential in diverse applications. The UHMW polymers made via the controlled Fenton‐RAFT polymerization by using a syringe pump shows that it is possible to produce such materials through an easy‐to‐set up and scalable process. © 2019 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2019, 57, 1922–1930

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Section: Preparation Of Uhmw Polymers Via Bio-fenton Raft Polymerizatmentioning

confidence: 99%

Synthesis of ultra‐high molecular weight polymers by controlled production of initiating radicals

Reyhani

Allison‐Logan

Ranji‐Burachaloo

et al. 2019

J. Polym. Sci. Part A: Polym. Chem.

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“…The polyester‐based thermosets of EU prepared through curing, as shown in Figure 11. Several researchers have been reported the DOX‐based monomers using the acid catalyst 78–81 . Compared to the commercial polyester‐based thermosets, it depicted the comparable tensile strength and young's modulus around 70.8 MPa and 8.8 GPa, respectively, at a low value of strain 1.4% 82–84 .…”

Section: Properties and Design Strategies Of Eu‐based Resinsmentioning

confidence: 99%

Recent progress in bio‐based eugenol resins: From synthetic strategies to structural properties and coating applications

Kumar

Agumba

Pham

et al. 2021

J of Applied Polymer Sci

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This review article describes the synthesis route of eugenol (4‐Allyl‐2‐methoxyphenol, EU)‐based resins, properties, and their use in coating application. EU‐based resin is an attractive phenolic‐based material with outstanding properties such as thermal stability, water‐resistant, antioxidant, and flame retardancy performance. However, limited research articles on EU‐based resins have been published recently for the coating application. A growing interest in developing design strategies and properties of EU‐based resins has emerged due to their low cost, non‐toxic, and environment‐friendly behaviors. This review article aims to highlight EU‐based resins, including epoxy and non‐epoxy ones, and critically discuss their properties and opportunities in coating application, which may facilitate their utilization in academia and industries.

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“…St65 and AA66 were also copolymerized with 8b through conventional radical polymerization in bulk at 60 C. The RDRP of (S)-and (R)-2-isopropyl-5-methylene-1,3-dioxolan-4-ones (S-8b and R-8b) was This is the authors' version of the article published in Polymer Reviews.…”

mentioning

confidence: 99%

Radical Polymerization of Methylene Heterocyclic Compounds: Functional Polymer Synthesis and Applications

Wang

Debuigne

2023

Polymer Reviews

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Synthetic polymers sustain a wide range of applications but the quest for further sophistication and functionalization of polymers remains topical to improve their scope and performance. In this respect, the radical polymerization of exo-methylene heterocyclic compounds (MHCs) is attractive. Compared to the classical acyclic vinyl monomers constrained to the vinyl-type polymerization process, MHCs can undergo different polymerization modes, namely the radical ring-retaining polymerization (rRRP) and the radical ring-opening polymerization (rROP). In rRRP, the cyclic group is preserved and inserted as side group of the polymer backbone offering a myriad of post-polymerization modifications whereas functional groups are incorporated within the backbone of linear polymers and confer them some degradability in rROP. Herein, recent advances in the radical polymerization of MHCs as well as the variety of macromolecular structures and applications it offers are highlighted. The reversible deactivation radical polymerization of MHCs leading to well-defined MHC-based macromolecular architectures, including multifunctional, stimuli-responsive and degradable polymers, is also discussed. The review emphasizes the current limitations of the radical polymerization of MHCs as well as future prospects including the development of innovative bio-based MHCs. Overall, the radical polymerization of MCHs represents a powerful macromolecular engineering tool and a broad field of exploration for polymer chemists. clothing, adhesives, etc, to highly engineered polymers applied in medical, electronic and photonic technologies, to name a few. After several decades of progress, efforts to make polymerization techniques more efficient, versatile and sustainable, remain timely owing the increasing demand for innovative functional polymers able to address the requirements of today's applications.Free radical polymerization (FRP) is one of the most widely used polymerization methods.It proceeds through a classic chain growth process and generates high molecular weight polymers. Its robustness, tolerance to moisture and high compatibility with many functional groups, make radical polymerization a tool of choice for producing synthetic polymers, especially in industry. 1 However, the inherent irreversible termination reactions leading to illdefined structures prevent conventional FRP from being further used in cutting-edge applications which often require precise polymer architectures, predictable molecular weight and/or controlled chain-end functionalities.In the past decades, the limitations of conventional free radical polymerization have been overcome by the development of controlled radical polymerization, preferentially referred to as reversible deactivation radical polymerization (RDRP). 2 In the latter, a controlling agent allows the temporary deactivation of the propagating radicals in the form of a dormant species which limits the extent of irreversible reactions and prolongs the life time of radicals.In other words, a dynamic equilibr...

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Synthesis, properties and thermal stability of water‐soluble poly(potassium 1‐hydroxyacrylate‐co‐styrene) copolymer

Cited by 7 publications

References 44 publications

Synthesis of ultra‐high molecular weight polymers by controlled production of initiating radicals

Synthesis of ultra‐high molecular weight polymers by controlled production of initiating radicals

Recent progress in bio‐based eugenol resins: From synthetic strategies to structural properties and coating applications

Radical Polymerization of Methylene Heterocyclic Compounds: Functional Polymer Synthesis and Applications

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