Poly(glycidyl methacrylate-co-styrene) : Synthesis, Characterization, Reaction With Aminated MWCNT and Thermal investigation

Yıl 2018, Cilt: 5 Sayı: 2, 537 - 546, 31.05.2018

Mehmet Coşkun Serpil Yılmaz

https://doi.org/10.31202/ecjse.404638

Cited By: 1

Öz

In four different compositions, glycidyl methacrylate (GMA)-styrene (St) copolymers were prepared by free radical polymerization. These copolymers were reacted with aminated MWCNT (multi wall carbon nano tube). The GMA ratios in the copolymers were determined by 1 H-NMR to be 6.5%, 14%, 21% and 28% by mol. FT-IR spectra, 1 H-NMR spectra, and SEM images of these copolymers and reacted copolymers were examined. The average molecular weights of the original copolymers were determined by GPC. Thermal investigation showed that the copolymers reacted with the aminated MWCNT had higher glass transition temperatures than the original copolymers. Further, based on the decomposition start temperatures, it was determined that the thermal stability of the copolymers increased by about 8-10 ° C.

Anahtar Kelimeler

Glycidyl methacrylate, styrene, MWCNT, thermal characterization

Poli(glisidil metakrilat-ko-stiren): Sentezi, karakterizasyonu, aminlenmiş MWCNT ile reaksiyonu ve termal inceleme

Öz

Dört
farklı bileşimde glisidil metakrilat (GMA)-striren (St) kopolimerleri serbest
radikal polimerizasyonuyla hazırlandı. Bu kopolimerler aminlenmiş MWCNT (multi
Wall carbon nano tube) ile reaksiyona sokuldu. Kopolimerlerdeki GMA oranları
1H-NMR ile mol olarak % 6.5, %14, %21 ve % 28 
olarak belirlendi. Bu kopolimerlerin ve reaksiyona sokulmuş
kopolimerlerin FT-IR spektrumları, 1H-NMR spektrumları, SEM görüntüleri
incelendi. Orijinal kopolimerlerin GPC ile ortalama molekül ağırlıkları
belirlendi. Termal
incelemede aminlenmiş MWCNT ile reaksiyona sokulmuş kopolimerlerin orijinal
kopolimerlerden daha yüksek camsı geçiş sıcaklıklarına sahip olduğu görüldü.
Ayrıca parçalanmaya başlama sıcaklıkları esas alındığında reaksiyonla
kopolimerlerin termal kararlılığının yaklaşık 8-10 oC arttığı
belirlendi.

Anahtar Kelimeler

Glilisidil metakrilat, stiren, MWCNT, termal karakterizasyon

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