Yıl 2019, Cilt 15 , Sayı 4, Sayfalar 329 - 336 2019-12-30

Synthesis of Aromatic Conjugated Main Chain Azobenzene Polymers and Their Properties

Mustafa Kemal BAYAZİT [1] , Zeynep BİLEN [2] , Erhan BUDAK [3] , Ozdemir OZARSLAN [4]


Azobenzene polymers have great potential and impact on fundamental and applied research. However little is known about their thermal stability and degradation behaviours. Herein, nine conjugated main chain azobenzene polymers were synthesized using the nitroamine derivatives of some diphenylene compounds such as 4-amino-4′-nitrobiphenyl 1, 4-amino-4′-nitrobiphenyl ether 2 and 4-amino-4′-nitrobiphenyl sulfide 3, and comonomers triphenylamine A, N-methyldiphenyl amine B and triphenylphosphine C via diazo coupling reaction. These heteroatom containing polymers were characterized by 1H- and 31P-NMR, FTIR, UV–Vis and Raman spectroscopy. The thermal stability and degradation behaviour of these polymers were studied by means of TGA technique. Electronic spectra of the polymers recorded in DMF showed two strong maxima at ca. 280 and 380 nm. They were resistant to heat up to 270 °C and, produced 41-61% char under a nitrogen atmosphere at 800 °C. UL 94 burning tests performed for TPU Ravathane® (TPE-U) with added azobenzene polymer revealed that these polymers could be used as an intumescent reactive flame retardant additive, particularly for polyurethanes and elastomers, due to their high char yield at relatively high temperatures (e.g 800 °C). The carbonized materials were further characterized by XRD and SEM/EDX. 



Main chain azobenzene polymers; intumescent flame retardant additive; thermal stability; thermal degradation and carbonization
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Birincil Dil en
Konular Mühendislik
Bölüm Makaleler
Yazarlar

Yazar: Mustafa Kemal BAYAZİT (Sorumlu Yazar)
Kurum: University College London
Ülke: United Kingdom


Yazar: Zeynep BİLEN

Yazar: Erhan BUDAK

Yazar: Ozdemir OZARSLAN

Tarihler

Yayımlanma Tarihi : 30 Aralık 2019

Bibtex @araştırma makalesi { cbayarfbe446974, journal = {Celal Bayar University Journal of Science}, issn = {1305-130X}, eissn = {1305-1385}, address = {}, publisher = {Celal Bayar Üniversitesi}, year = {2019}, volume = {15}, pages = {329 - 336}, doi = {10.18466/cbayarfbe.446974}, title = {Synthesis of Aromatic Conjugated Main Chain Azobenzene Polymers and Their Properties}, key = {cite}, author = {BAYAZİT, Mustafa Kemal and BİLEN, Zeynep and BUDAK, Erhan and OZARSLAN, Ozdemir} }
APA BAYAZİT, M , BİLEN, Z , BUDAK, E , OZARSLAN, O . (2019). Synthesis of Aromatic Conjugated Main Chain Azobenzene Polymers and Their Properties. Celal Bayar University Journal of Science , 15 (4) , 329-336 . DOI: 10.18466/cbayarfbe.446974
MLA BAYAZİT, M , BİLEN, Z , BUDAK, E , OZARSLAN, O . "Synthesis of Aromatic Conjugated Main Chain Azobenzene Polymers and Their Properties". Celal Bayar University Journal of Science 15 (2019 ): 329-336 <https://dergipark.org.tr/tr/pub/cbayarfbe/issue/50875/446974>
Chicago BAYAZİT, M , BİLEN, Z , BUDAK, E , OZARSLAN, O . "Synthesis of Aromatic Conjugated Main Chain Azobenzene Polymers and Their Properties". Celal Bayar University Journal of Science 15 (2019 ): 329-336
RIS TY - JOUR T1 - Synthesis of Aromatic Conjugated Main Chain Azobenzene Polymers and Their Properties AU - Mustafa Kemal BAYAZİT , Zeynep BİLEN , Erhan BUDAK , Ozdemir OZARSLAN Y1 - 2019 PY - 2019 N1 - doi: 10.18466/cbayarfbe.446974 DO - 10.18466/cbayarfbe.446974 T2 - Celal Bayar University Journal of Science JF - Journal JO - JOR SP - 329 EP - 336 VL - 15 IS - 4 SN - 1305-130X-1305-1385 M3 - doi: 10.18466/cbayarfbe.446974 UR - https://doi.org/10.18466/cbayarfbe.446974 Y2 - 2019 ER -
EndNote %0 Celal Bayar Üniversitesi Fen Bilimleri Dergisi Synthesis of Aromatic Conjugated Main Chain Azobenzene Polymers and Their Properties %A Mustafa Kemal BAYAZİT , Zeynep BİLEN , Erhan BUDAK , Ozdemir OZARSLAN %T Synthesis of Aromatic Conjugated Main Chain Azobenzene Polymers and Their Properties %D 2019 %J Celal Bayar University Journal of Science %P 1305-130X-1305-1385 %V 15 %N 4 %R doi: 10.18466/cbayarfbe.446974 %U 10.18466/cbayarfbe.446974
ISNAD BAYAZİT, Mustafa Kemal , BİLEN, Zeynep , BUDAK, Erhan , OZARSLAN, Ozdemir . "Synthesis of Aromatic Conjugated Main Chain Azobenzene Polymers and Their Properties". Celal Bayar University Journal of Science 15 / 4 (Aralık 2020): 329-336 . https://doi.org/10.18466/cbayarfbe.446974
AMA BAYAZİT M , BİLEN Z , BUDAK E , OZARSLAN O . Synthesis of Aromatic Conjugated Main Chain Azobenzene Polymers and Their Properties. Celal Bayar Univ J Sci. 2019; 15(4): 329-336.
Vancouver BAYAZİT M , BİLEN Z , BUDAK E , OZARSLAN O . Synthesis of Aromatic Conjugated Main Chain Azobenzene Polymers and Their Properties. Celal Bayar University Journal of Science. 2019; 15(4): 336-329.