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

Abstract

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.

Keywords

• Glycidyl methacrylate
• styrene
• MWCNT
• thermal characterization

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

Abstract

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.

Keywords

• Glilisidil metakrilat
• stiren
• MWCNT
• termal karakterizasyon

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