Synthesis and characterization of organic-inorganic polymers from new methacrylate monomers and silane derivatives

Nicolescu, Florica Adriana; Jerca, Valentin Victor; Albu, Ana‐Maria; Vasilescu, Dan Sorin; Vuluga, Dumitru Mircea

doi:10.1117/12.832282

Cited by 2 publications

(1 citation statement)

References 8 publications

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“…In the past few decades, 1 HNMR spectroscopic analysis has been established as a powerful tool for the determination of copolymer compositions because of its simplicity, rapidity, and sensitivity [9][10][11].…”

Section: Copolymer Compositionmentioning

confidence: 99%

Synthesis and chemical modification of maleic anhydride copolymers with 2-amino ethyl benzoate groups

Nasirtabrizi

Mousavi

2018

Adv. J. Chem. A

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A B S T R A C TMaleic anhydride (MAN) copolymers with methyl methacrylate, ethyl methacrylate, methyl acrylate, ethyl acrylate, and butyl acrylate monomers at 1:3 mole ratios were synthesized by free radical polymerization in the presence of azobis(isobutyronitrile) as initiator and dry ethyl acetate as solvent. Copolymer compositions were obtained using the related proton nuclear magnetic resonance ( 1 HNMR) spectra, and the polydispersity of the copolymers was determined by gel permeation chromatography. Then, a solution of 2amino ethyl benzoate salt as a nucleophilic reagent reacted through the ring opening of anhydride groups in copolymers resulting to modified copolymers Iab to Vab. All the prepared polymers were characterized by Fourier transform Infrared and 1 HNMR spectroscopic techniques. The glass transition temperature (Tg) of all copolymers before and after modification was determined by dynamic mechanical thermal analysis (DMTA). It was shown that the chemical modification of MAN copolymers with 2-amino ethyl benzoate substituents as side chains decreased the free volume of the polymers, and therefore, the rigidity and Tg is increased.

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Section: Copolymer Compositionmentioning

confidence: 99%

Synthesis and chemical modification of maleic anhydride copolymers with 2-amino ethyl benzoate groups

Nasirtabrizi

Mousavi

2018

Adv. J. Chem. A

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Polymer Architectures for Optical and Photonic Applications

Albu¹,

Târpă²

2022

Nonlinear Optics - Nonlinear Nanophotonics and Novel Materials for Nonlinear Optics

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The last decade of the last century is marked by a revolution in the synthesis of materials for optical and photonic applications, against the background of the growing need for new high-performance materials to increase the efficiency, reliability and speed of response linked to environmental aspects. The diversity of requirements and the optimization of the responses has led to a major dispute over the structure and composition of these materials: Inorganic or Organic, Natural or Synthetic, Hybrid or Pure, which has stimulated interest in the development of various architectures. Special attention shall be paid to establishing a fundamental relationship to correlate the non-linear optical response and chemical structure, especially for the category of organic materials- particularly polymers- distinguished by structural/compositional versatility and suitable for processing by simple technique which allows serial production. In fact, optical nonlinearity (NLO) is not an exotic phenomenon. Indeed, all materials are optically nonlinear if light is sufficiently intense. The synthesis of functional photonic organic materials is a major challenge of contemporary community of material scientists to imagine new functional materials based of” collective” phenomena by virtue of the “engineered” molecule- molecule interactions and spatial relationships. In this context, this paper aims to highlight the most important features concerning the structural - compositional relationship of polymeric materials used in optoelectronic and photonic applications.

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Synthesis and characterization of organic-inorganic polymers from new methacrylate monomers and silane derivatives

Cited by 2 publications

References 8 publications

Synthesis and chemical modification of maleic anhydride copolymers with 2-amino ethyl benzoate groups

Synthesis and chemical modification of maleic anhydride copolymers with 2-amino ethyl benzoate groups

Polymer Architectures for Optical and Photonic Applications

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