Synthesis and Characterization of the Poly ethylene glycol Grafted Unsaturated Microbial Polyesters

Ebru Kılıçay; Baki Hazer; Burak Çoban; Carmen Scholz

Synthesis and Characterization of the Poly ethylene glycol Grafted Unsaturated Microbial Polyesters

Abstract

Pseudomonas oleovorans was grown with either 10-undecenoic acid alone or the equimolar mixture of octanoic acid and 10-undecenoic acid to obtain unsaturated poly 3- hydroxy alkanoates PHA s; poly 3-hydroxy-10-undecenoate PHU and poly 3-hydroxy- octanoate-co-3-hydroxy-10-undecenoate PHOU , respectively. The addition of bromine to olefinic double bond, by reacting the unsaturated PHA with bromine in homogeneous solution in dark, was readily carried out. The brominated PHA was reacted with polyethylene glycol PEG in the presence of a base to obtain PHA-g-PEG graft copolymers. The polymers were characterized by 1H NMR and FTIR spectroscopy, gel permeation chromatography GPC , differential scanning calorimetry DSC and thermogravimetric analysis TGA .

Keywords

Poly 3-hydroxy-10- undecenoate,graft copolymer,Poly ethylene glycol,Bromination

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Details

Primary Language

English

Subjects

-

Journal Section

-

Authors

Ebru Kılıçay This is me

Baki Hazer This is me

Burak Çoban This is me

Carmen Scholz This is me

Publication Date

January 1, 2010

Submission Date

-

Acceptance Date

-

Published in Issue

Year 2010 Volume: 38 Number: 1

IZ

https://izlik.org/JA75JW54TC

Cite

RIS / Bibtex

APA

Kılıçay, E., Hazer, B., Çoban, B., & Scholz, C. (2010). Synthesis and Characterization of the Poly ethylene glycol Grafted Unsaturated Microbial Polyesters. Hacettepe Journal of Biology and Chemistry, 38(1), 9-17. https://izlik.org/JA75JW54TC

AMA

1.Kılıçay E, Hazer B, Çoban B, Scholz C. Synthesis and Characterization of the Poly ethylene glycol Grafted Unsaturated Microbial Polyesters. HJBC. 2010;38(1):9-17. https://izlik.org/JA75JW54TC

Chicago

Kılıçay, Ebru, Baki Hazer, Burak Çoban, and Carmen Scholz. 2010. “Synthesis and Characterization of the Poly Ethylene Glycol Grafted Unsaturated Microbial Polyesters”. Hacettepe Journal of Biology and Chemistry 38 (1): 9-17. https://izlik.org/JA75JW54TC.

EndNote

Kılıçay E, Hazer B, Çoban B, Scholz C (January 1, 2010) Synthesis and Characterization of the Poly ethylene glycol Grafted Unsaturated Microbial Polyesters. Hacettepe Journal of Biology and Chemistry 38 1 9–17.

IEEE

[1]E. Kılıçay, B. Hazer, B. Çoban, and C. Scholz, “Synthesis and Characterization of the Poly ethylene glycol Grafted Unsaturated Microbial Polyesters”, HJBC, vol. 38, no. 1, pp. 9–17, Jan. 2010, [Online]. Available: https://izlik.org/JA75JW54TC

ISNAD

Kılıçay, Ebru - Hazer, Baki - Çoban, Burak - Scholz, Carmen. “Synthesis and Characterization of the Poly Ethylene Glycol Grafted Unsaturated Microbial Polyesters”. Hacettepe Journal of Biology and Chemistry 38/1 (January 1, 2010): 9-17. https://izlik.org/JA75JW54TC.

JAMA

1.Kılıçay E, Hazer B, Çoban B, Scholz C. Synthesis and Characterization of the Poly ethylene glycol Grafted Unsaturated Microbial Polyesters. HJBC. 2010;38:9–17.

MLA

Kılıçay, Ebru, et al. “Synthesis and Characterization of the Poly Ethylene Glycol Grafted Unsaturated Microbial Polyesters”. Hacettepe Journal of Biology and Chemistry, vol. 38, no. 1, Jan. 2010, pp. 9-17, https://izlik.org/JA75JW54TC.

Vancouver

1.Ebru Kılıçay, Baki Hazer, Burak Çoban, Carmen Scholz. Synthesis and Characterization of the Poly ethylene glycol Grafted Unsaturated Microbial Polyesters. HJBC [Internet]. 2010 Jan. 1;38(1):9-17. Available from: https://izlik.org/JA75JW54TC