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Chemical modification of poly(styrene‐ co ‐maleic anhydride) with primary N ‐alkylamines by reactive extrusion
Author(s) -
Vermeesch I.,
Groeninckx G.
Publication year - 1994
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1994.070531011
Subject(s) - reactive extrusion , maleic anhydride , polymer chemistry , styrene , plastics extrusion , imide , primary (astronomy) , amine gas treating , materials science , chemical modification , copolymer , glass transition , polymer , chemistry , organic chemistry , composite material , physics , astronomy
Abstract Reactive melt‐processing of poly(styrene‐ co ‐maleic anhydride) (SMA) with primary N ‐alkylamines was carried out in one step in a twin‐screw extruder. Ring formation of the imide occurred within the residence time of the extruder, at temperatures exceeding 220°C and with an excess of primary amines. The increasing chain length of grafted amine onto the SMA backbone depressed the glass transition temperature of poly(styrene‐ co‐N ‐alkylmaleimides) remarkably. © 1994 John Wiley & Sons, Inc.