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2019-12-23

Arslan, Hülya | Yeşilyurt, Nazlı | Hazer, Baki

Proceedings | 2008 | MACROMOLECULAR SYMPOSIA269 , pp.23 - 33

4th European Symposium on Biopolymers -- OCT 02-04, 2007 -- Kusadasi, TURKEY WOS: 000258909100006

Autooxidized polyunsaturated oils/oily acids: Post-it applications and reactions with Fe(III) and adhesion properties

Keleş, Elif | Hazer, Baki

Proceedings | 2008 | Macromolecular Symposia269 ( 1 ) , pp.154 - 160

Soybean oil, sesame oil, linoleic acid and linolenic acid were epoxidized, peroxidized and hydroperoxidized via autooxidation under air oxygen and sunlight at room temperature to obtain novel post-it materials. Polymeric soybean oil peroxide and sesame oil peroxide were containing soluble part of 60%(w/w) together with crosslinked part of 40%(w/w) while polymeric linoleic and polymeric linolenic acids were completely soluble. The autooxidized soluble products with Mn varying between 800 and 3100 Daltons were used as post-it adhesive. The highest adhesion was observed in the case of polymeric soybean oil (3.0 Newton), while adhesion . . .of commercial epoxidized soybean oil, polymeric linoleic and polymeric linolenic acid were 0.8, 0.5 and 0.5 Newton, respectively. Reactions of the autooxidized soluble products with Fe(NO 3)3. 4H2O in the presence of ethanol, glycerol and diethyleneglycol gave the hydroxy functionalized products with the same Mn values and indicating no adhesive properties. When the commercial epoxidized soybean oil was reacted with Fe(NO3)3. 4H 2O in the presence of the alcohols, Mn of the hydroxy functionalized polymeric oil was found to be unchanged. 1H NMR, FT-IR, SEM and GPC techniques were used in the characterization of the products obtained. Copyright © 2008 WILEY-VCH Verlag GmbH & Co. KGaA Daha fazlası Daha az

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