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- W1985492044 abstract "ABSTRACT Oxazoline is a very interesting functionality for reactive extrusion and other applications. In this paper, we report the possibility of chemically transforming nitrile group attached to a copolymer of styrene and acrylonitrile (SAN) to oxazoline group using 2-aminoethanol (AE). The chemical modification of SAN with AE was done in the molten state. Among various catalysts tested, zinc acetate turned out to be the most efficient. The effects of the catalyst concentration, temperature and mixing on the overall kinetics were studied. The formation of the expected oxazoline functionality was confirmed by infrared spectroscopy and by reacting with 1-naphthylacetic acid. The reaction between the oxazoline and the acid was very rapid as it went to completion within 2 minutes in the melt at 180°C. The efficiency of an oxazoline modified SAN as compatibilizing precursor was evaluated for SAN/PA 6 and SAN/PBT blends." @default.
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- W1985492044 date "1998-03-01" @default.
- W1985492044 modified "2023-09-27" @default.
- W1985492044 title "Chemical Modification of Nitrile to Oxazoline Functionality on a Styrene-Acrylonitrile Copolymer in the Melt" @default.
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- W1985492044 doi "https://doi.org/10.1080/10601329808001989" @default.
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