Copolymers of 4‐(3′,4′‐Dimethoxycinnamoyl)phenyl Acrylate and MMA: Synthesis, Characterization, Photocrosslinking Properties, and Monomer Reactivity Ratios

Selvam, Parasuraman; Babu, K. Victor; Penlidis, Alexander; Nanjundan, S.

doi:10.1081/ma-120037343

Journal of Macromolecular Science, Part A

2004

DOI: 10.1081/ma-120037343

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Copolymers of 4‐(3′,4′‐Dimethoxycinnamoyl)phenyl Acrylate and MMA: Synthesis, Characterization, Photocrosslinking Properties, and Monomer Reactivity Ratios

Parasuraman Selvam

K. Victor Babu

Alexander Penlidis

et al.

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Cited by 4 publications

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“…Chalcones can be natural or synthetic. Synthetic chalcones are commonly synthesized with the reaction of aromatic ring bonded to acetyl group and benzaldehyde derivatives via the Claisen-Schmidt condensation in presence of bases or acids catalyst [2][3][4][5][6][7]. One of the important characteristics of the chalcones is that they have the ability to photocrosslinking under ultraviolet light [8][9][10][11][12][13].…”

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confidence: 99%

Poly[4-pyridinyl-4´-(2-methacryloyloxyethoxy)styryl ketone-co-2-hydroxypropyl methacrylate]: Synthesis, Characterization, Thermal and Electrical properties, and Photocrosslinking behavior

Aygün¹,

Çoşkun²

2018

El-Cezeri Fen Ve Mühendislik Dergisi

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Synthesis of a chalcone bearing pyridine ring, 4-pyridinyl-4´-(2-hydroxyethoxy)styryl ketone, was carried out from the reaction of 4-acetyl pyridine and 4-(2-hydroxyetoxy)benzaldehyde in an aqueous solution of NaOH. 4-Pyridinyl-4´-(2-methacryloyloxyethoxy)styryl ketone which is the methacrylate monomer bearing chalcone structure in side chain, was obtained from acylation of 4-pyridinyl-4´-(2-hydroxyethoxy)styryl ketone with methacryloyl chloride in the cold. The copolymer of 4-pyridinyl-4´-(2-methacryloyloxyethoxy)styryl ketone and 2-hydroxypropyl methacrylate was prepared by free radical polymerization in presence of AIBN at 70 o C. FTIR, 1 H-NMR and 13 C-APT spectroscopic techniques were used for structural characterization of the Chalcone, the monomer and the copolymer. Thermal characterization of the copolymer was carried out using DSC and TGA techniques. DSC curve shows that this copolymer has a glass transition temperature of 78 o C. The TGA curve shows that decomposition given volatile product started at 230 °C and a residue of 21% left at 500 °C. Dielectric constant (ε´) of the copolymer decreased rapidly from 8.8 to 4.2 with increasing frequency in the range of 100-1000 Hz, and after this frequency ε´ quantity remained constant at a value such as 4.2. ε´ Value of the copolymer increased only from 4.2 to 4.9 with increasing from 290 K to 385 K. The AC conductivity of the copolymer increases from 5.01x10-10 S/cm to 126.0x10-10 S/cm as the frequency increase from 100 Hz to 5000 Hz. The AC conductivity increases slightly with increasing temperature, 2.52x10-9 S/cm at 300 K, and 2.89x10-9 S/cm at 385 K. After a solution of the copolymer was irradiated using UV light at 365 nm at room temperature, the absorption band at 356 nm disappeared and a new band was seen at 284 nm.

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confidence: 99%

Poly[4-pyridinyl-4´-(2-methacryloyloxyethoxy)styryl ketone-co-2-hydroxypropyl methacrylate]: Synthesis, Characterization, Thermal and Electrical properties, and Photocrosslinking behavior

Aygün¹,

Çoşkun²

2018

El-Cezeri Fen Ve Mühendislik Dergisi

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Synthesis, characterization, microstructure determination, thermal studies of poly (N-vinyl pyrrolidone-maleic anhydride-methyl methacrylate)

Ajithkumar

Puttaiahgowda

Prasannakumar³

et al. 2018

Journal of Macromolecular Science, Part A

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Polycondensates of 2′‐(Chalcone‐4‐Oxy)Ethyl‐3,5‐Diaminobenzoate with Some Aromatic Dicarboxylic Acids

Rusu¹,

Onciu²

2005

Journal of Macromolecular Science, Part A

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Copolymers of 4‐(3′,4′‐Dimethoxycinnamoyl)phenyl Acrylate and MMA: Synthesis, Characterization, Photocrosslinking Properties, and Monomer Reactivity Ratios

Cited by 4 publications

References 22 publications

Poly[4-pyridinyl-4´-(2-methacryloyloxyethoxy)styryl ketone-co-2-hydroxypropyl methacrylate]: Synthesis, Characterization, Thermal and Electrical properties, and Photocrosslinking behavior

Poly[4-pyridinyl-4´-(2-methacryloyloxyethoxy)styryl ketone-co-2-hydroxypropyl methacrylate]: Synthesis, Characterization, Thermal and Electrical properties, and Photocrosslinking behavior

Synthesis, characterization, microstructure determination, thermal studies of poly (N-vinyl pyrrolidone-maleic anhydride-methyl methacrylate)

Polycondensates of 2′‐(Chalcone‐4‐Oxy)Ethyl‐3,5‐Diaminobenzoate with Some Aromatic Dicarboxylic Acids

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