One-pot PolimerleşmeYöntemiyle Poli(linoleik asit)-g-Poli(Nisopropilakrilamit)-g-Poli(D,L-laktid) Graft Kopolimerlerin Sentezi ve Karakterizasyonu
Bu çalışmada, Otookside polimerik linoleik asit peroksit (PLina)’nın halka açılma polimerizasyonu ve serbestradikal polimerizasyonu bir arada kullanılarak tek adımda (one-pot) üç bloklu graft kopolimerler sentezlendi.Poli(linoleik asit)-g-poli(N-isopropilakrilamit)-g-poli(D,L-laktid) yapısına sahip graft kopolimerler; PLina’nınana zincirinde bulunan peroksit grupları ile N-isopropilakrilamit (NIPAM) monomeriyle serbest radikalpolimerizasyonu ve PLina’nın karboksilik asit grupları ile D,L-laktid (LA) monomeri arasındaki halka açılmapolimerizasyonunun bir arada (one-pot) kullanılmasıyla sentezlendiler. One-pot polimerizasyon reaksiyonunaetki eden polimerizasyon süresi, başlatıcı konsantrasyonu ve monomer konsantrasyonu gibi temel parametrelerincelendi. Elde edilen graft kopolimerlerin karakterizasyonları 1H NMR ve GPC teknikleri kullanılarak yapıldı
Synthesis and Characterization of Poly(linoleic acid)-g-poly(Nisopropylacrylamide)-g-poly (D, L-lactide) Graft Copolymers by Onepot Polymerization Method
In this study, one-pot three-block graft copolymers were synthesized using a combination of ring opening polymerization and free radical polymerization of Auto-oxidized polymeric linoleic acid peroxide (PLina). Graft copolymers with poly(linoleic acid)-g-poly(N-isopropylacrylamide)-g-poly(D,L-lactide) structure were synthesized the free radical polymerization with N-isopropylacrylamide (NIPAM) in monomer the main chain of PLina and the ring opening polymerization of the D, L-lactide (LA) monomer with carboxylic acid groups of PLina with together. The basic parameters such as polymerization time, initiator concentration and monomer concentration affecting the one-pot polymerization reaction were investigated. Characterization of the obtained graft copolymers were carried out using 1H NMR and GPC techniques.
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