Miscibility and rheological properties of poly(vinyl chloride)/styrene-acrylonitrile blends prepared by melt extrusion
作者： Hyun Sik Moon , Won Mook Choi , Mun Ho Kim , O-Ok Park
DOI: 10.1002/APP.25520
关键词:
摘要: Styrene-acrylonitrile (SAN) with acryloni- trile (AN) concentrations of 11.6-26 wt % and a-methyl- styrene acrylonitrile (aMSAN) a wide range AN are miscible poly(vinyl chloride) (PVC) through solution blending. Here we examine the rheological properties miscibility PVC/SAN PVC/aMSAN blends prepared by melt extrusion for commercial applica- tions. We have investigated rheometer indexer. The PVC/ SAN low melting torque, long degradation time, high index, this means that they better processability than pure PVC. has been characterized differential scanning calorimetry, dynamic mechanical ther- mal analysis, advanced rheometrics expansion system analysis. also charac- terized electron microscopy. series 24-31 is immiscible PVC extrusion, whereas aMSAN 31 PVC, even when blended because strong interaction between aMSAN. 2007 Wiley Periodicals, Inc. J Appl Polym Sci 104: 95-101,
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