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Celal Bayar Universitesi Fen Bilimleri Dergisi
Article . 2017 . Peer-reviewed
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Polipropilen Blendlerinin Non-İzotermal Bozunma Kinetiği

Authors: DOĞAN, Fatih;

Polipropilen Blendlerinin Non-İzotermal Bozunma Kinetiği

Abstract

B u calismada oksidatif polimerizasyon yontemi ile sentezlenmis olan sulfoaminonaftol polimerinin (6-amino-4-hidroksi-2-naftalensulfonik asit, PSAN) polipropilen ile twin-screw microextruder’de cesitli blendleri hazirlandi. Hazirlanan blendlerin isisal kararliliklari ve kati hal bozunma kinetikleri incelendi. Tum blendlerin termogramlari tek basamakli bir bozunma reaksiyonu sergiledi. Bununla birlikte ilave PSAN katki polimerinin miktari artikca PSAN/polipropilen blendlerinin bozunmaya baslama sicaklik degerlerinin yukseldigi ve termal karaliliginin artigi goruldu. Ayni zamanda PSAN/polipropilen blendlerinin farkli isitma hizlarinda elde edilen DTG termogramlari, maksimum reaksiyon hizina karsilik gelen sicaklik degerlerinin isitma hiziyla dogru orantili oldugunu gosterdi. PSAN/polipropilen blendlerinin isisal kati hal bozunma kinetiklerinin hesaplanmasinda integral yontemlerden Wanjun-Yuwen-Hen-Cunxin (WHYC), Madhusudanan-Krishnan-Ninan ( MKN) ve Coats ve Redfern (CR), diferansiyel yontemlerden Horowitz-Metzger (HM) ve van Krevelen (vK) ve fark diferansiyel yontemlerden MacCallum-Tanner (MC) yontemi kullanildi. Kinetik hesaplamalar PSAN/polipropilen blendlerinin isisal olarak bozunmaya baslamasi icin gerekli olan aktivasyon enerjisinin, blendlerdeki PSAN polimerinin % miktarina bagli oldugunu gosterdi. Termodinamik parametreler ise bozunma reaksiyonunun normalden daha hizli gerceklestigini aciga cikardi.

Country
Turkey
Related Organizations
Keywords

Polipropilen;katı hal bozunma kinetiği;aktivasyon enerjisi;Polypropylene;solid state decomposition kinetic;activation energy, Engineering, Mühendislik

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
gold