Epoxy resin modified with soybean oil containing cyclic carbonate groups

Carbonated soybean oil (CSO) containing five‐membered cyclic carbonate groups has been obtained in the reaction of epoxidized soybean oil with carbon dioxide in the presence of KI activated by 18‐crown‐6 under 6 MPa CO2 pressure at 130°C. The CSO was used for modification of bisphenol‐A based epoxy...

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Bibliographic Details
Published in:Journal of applied polymer science 2006-11, Vol.102 (3), p.2904-2914
Main Authors: Parzuchowski, Pawel G., Jurczyk-Kowalska, Magdalena, Ryszkowska, Joanna, Rokicki, Gabriel
Format: Article
Language:English
Subjects:
Applied sciences
carbonated soybean oil
Chemical properties
epoxy resin
Exact sciences and technology
modified epoxy resin
phase separation
Polymer industry, paints, wood
Properties and testing
Technology of polymers
thermoset morphology
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Summary:Carbonated soybean oil (CSO) containing five‐membered cyclic carbonate groups has been obtained in the reaction of epoxidized soybean oil with carbon dioxide in the presence of KI activated by 18‐crown‐6 under 6 MPa CO2 pressure at 130°C. The CSO was used for modification of bisphenol‐A based epoxy resin. The composition epoxide‐cyclic carbonate was cured using polyamine hardeners by one‐step and two‐step procedures. All cured compositions were characterized for their thermal and mechanical properties and compared with the parent epoxy network. The optimal properties were obtained for compositions containing CSO and cured by one‐step method when phase separation takes place. The mechanical properties were discussed in terms of morphology observed by SEM. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 102: 2904‐2914, 2006
ISSN:0021-8995
1097-4628
DOI:10.1002/app.24795