Graft Copolymers

Hadjichristidis, N.; Pitsikalis, Marinos; Iatrou, Hermis; Driva, Paraskevi; Chatzichristidi, Margarita; Σακελλαρίου, Γεώργιος; Lohse, David J.

doi:10.1002/0471440264.pst150.pub2

Cited by 16 publications

(16 citation statements)

References 232 publications

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“…Hadjichristidis successfully grafted beta‐butyrolactone onto poly(methyl‐methacrylate) PMMA by through anionic grafting. He observed that PMMA was partially saponified and it contained a carboxylate group.…”

Section: Need For Chemical Modifications Of Phasmentioning

confidence: 99%

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Polyhydroxyalkanoates: Properties and chemical modification approaches for their functionalization

Raza

Riaz

Banat

2017

Biotechnology Progress

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Polyhydroxyalkanoates (PHAs) have become an attractive biomaterial in research in the past few years due to their extensive potential industrial applications. Being long chain hydroxyl fatty acid molecules, the PHAs are hydrophobic in nature, and have less functional groups. These features limit their applications in various areas. To enhance their usage, these polymers may need to be modified including surface and chemical modifications. Such modifications may alter their mechanical properties, surface structure, amphiphilic character and rate of degradation to fulfil the requirements for their future applications. Chemical modifications allow incorporation of functional groups to PHAs that could not be introduced through biotechnological methods. These chemically reformed PHAs, with enhanced properties, could be used for broad range of applications. This review aims to introduce different chemical modification approaches including some recent methods that had not been explored or discussed so far for PHAs as possible technologies for widening the range of product and application potentials. © 2017 American Institute of Chemical Engineers Biotechnol. Prog., 34:29-41, 2018.

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Section: Need For Chemical Modifications Of Phasmentioning

confidence: 99%

“…This carboxylate anion made a complex with 18‐crown‐6‐potassium, which acted as an initiator for the grafting of beta‐butyrolactone onto PMMA. The grafted copolymer was successfully achieved at high yields …”

Section: Need For Chemical Modifications Of Phasmentioning

confidence: 99%

Polyhydroxyalkanoates: Properties and chemical modification approaches for their functionalization

Raza

Riaz

Banat

2017

Biotechnology Progress

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“…164 Branches are usually distributed randomly along the backbone, although recent advances in synthetic methods have allowed for the preparation of better-defined structures. Comb-shaped polymers can be prepared by three general synthetic methods: 'grafting onto,' 'grafting from,' and 'grafting through' (Scheme 27).…”

Section: Synthesis Of Graft Copolymersmentioning

confidence: 99%

Ionic Polymerization

Pitsikalis

2013

Reference Module in Chemistry, Molecular Sciences and Chemical Engineering

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“…In recent decades, researchers have shown interest in the synthesis of fluorescent polymers that have potential applications in pharmaceuticals and optical emission devices and utility as sensor probes due to their unique physicochemical properties [1,2]. In particular, the synthesis, characterization, and biological studies of cyanopyridine-based compounds remain topics of sustained interest [3,4].…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Characterization of Pyridine-Grafted Copolymers of Acrylic Acid–Styrene Derivatives for Antimicrobial and Fluorescence Applications

Durairaju

Chinnasamy²,

Rajabather

et al. 2021

Micromachines

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The goal of the present study was to copolymerize 3-(4-acetylphenylcarbamoyl) acrylic acid and styrene using azo-bis-isobutyronitrile (AIBN) as a catalyst. The resulting copolymers exhibited number average molecular weights (Mn) of 3.73–5.23 × 104 g/mol with a variable polydispersity (PDI = 2.3–3.8). The amide group of the PMA/PSA polymer was used for grafting poly (-styrene-maleic acid substituted aromatic 2-aminopyridine) by the Hantzsch reaction using a substituted aromatic aldehyde, malononitrile, and ammonium acetate. The polymer can emit strong blue fluorescence (λ = 510 nm) and its thermal stability and solubility were enhanced by polymer grafting. Moreover, the polymer showed the fluorescence spectra of the copolymer had a strong, broad emission band between 300 to 550 nm (maximum wavelength 538 nm) under excitation at 293 nm. The Hantzsch reaction yields an interesting class of nitrogen-based heterocycles that combine with a synthetic strategy for synthesis of grafted co-polymer pyridine-styrene derivatives. The as-prepared pyridine-based polymer compounds were screened against Gram-positive and Gram-negative bacteria, where a maximum inhibition zone toward all four types of bacteria was observed, including specific antifungal activity. Herein, a series of pyridine compounds were synthesized that showed enhanced fluorescent properties and antimicrobial properties due to their unique structure and ability to form polymer assemblies.

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Graft Copolymers

Abstract: This article deals with the synthesis by different strategies, molecular characterization, solution, and bulk properties as well as potential and industrial applications of graft copolymers.

Cited by 16 publications

References 232 publications

Polyhydroxyalkanoates: Properties and chemical modification approaches for their functionalization

Polyhydroxyalkanoates: Properties and chemical modification approaches for their functionalization

Ionic Polymerization

Synthesis and Characterization of Pyridine-Grafted Copolymers of Acrylic Acid–Styrene Derivatives for Antimicrobial and Fluorescence Applications

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