Synthesis and Characterization of Poly(linoleic acid)-g-Poly(εcaprolactone) ve Poly(linolenic acid)-g-Poly(ε-caprolactone) Graft Copolymers via Ring Opening Polymerization

Year 2018, , 1010 - 1027, 01.08.2018

Sema Allı , Pinar Geçit Murat Gürel , Abdulkadir Allı

https://doi.org/10.29130/dubited.433999

Cited By: 1

Abstract

In this study, PLina /PLinl peroxides were obtained by the auto-oxidation of linoleic acid (Lina) and linolenic acid (Linl) respectively. The autooxidation of Lina and Linl under air condition at room temperature rendered waxy soluble polymeric peroxide, having soluble fraction more than 98 weight percent (wt%) and containing up to 1.10-1.20 wt % of peroxide. Biodegradable poly (linoleic acid)-g-poly(ε-caprolactone) and poly (linolenic acid)-g-poly(ε-caprolactone) graft copolymers were synthesized via ring opening polymerization between autoxidized linoleic acid and linolenic acid peroxide initiators's carboxylic acid groups and ε-caprolactone monomer. The intrinsic viscosity values of poly (linoleic acid)-g-poly(ε-caprolactone) and poly (linolenic acid)- g-poly(ε-caprolactone) graft copolymers were determined. The graft copolymers obtained were characterized by 1H NMR, FT-IR, TGA, DSC and GPC techniques

Keywords

Autooxidation, caprolacton, Linoleic acid, Intrinsic Viscosity

Halka Açılma Polimerizasyonuyla Poli(linoleik asit)-g-Poli(ε-kaprolakton) ve Poli(linolenik asit)-g-Poli(ε-kaprolakton) Graft Kopolimerlerin Sentezi ve Karakterizasyonu

Abstract

Bu
çalışmada, linoleik asit (Lina) ve linolenik asit (Linl)’ler otooksidasyona
uğratılarak polimerik linoleik asit
peroksit (PLina) ve polimerik linolenik asit peroksit (PLinl) elde edildi. Lina
ve Linl’lerin otooksidasyonu hava ortamında oda sıcaklığında gerçekleştirilerek
% 1.10-1.20 peroksit içeren, % 98 çözünür kısımlarına sahip yapıları elde
edildi. Biyobozunur poli(linoleik asit)-g-poli(ε-kaprolakton)
ve poli(linolenik asit)-g-poli(ε-kaprolakton)
graft kopolimerler, otookside olmuş linoleik asit ve linolenik asit’lerin
karboksilik asit grupları ile 
ε-kaprolakton monomeri arasındaki halka açılma polimerizasyonuyla elde
edildiler. Poli(linoleik
asit)-g-poli(ε-kaprolakton) ve poli(linolenik asit)-g-poli(ε-kaprolakton) graft
kopolimerlerin instristik viskozite değerleri belirlendi. Elde edilen graft
kopolimerlerin karakterizasyonları ¹H NMR, FT-IR,
 TGA, DSC ve GPC teknikleri kullanılarak
yapıldı. 

Keywords

Otooksidasyon, ε-kaprolakton, Linoleik asit, Linolenik asit, İnstristik Viskozite

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