The compatibilizing effect of poly(styrene-co-4-vinylpyridine) copolymers on the polystyrene-polyethylene-based ionomer blends

被引:0
|
作者
Kim, DH
Jo, WH
Lee, SC [1 ]
Kim, HC
机构
[1] Kumoh Natl Univ Technol, Dept Polymer Sci & Engn, Kumi 730701, South Korea
[2] Seoul Natl Univ, Dept Fiber & Polymer Sci, Seoul 151742, South Korea
[3] Hyosung T&C Co Ltd, Cent Res Inst, Anyang 430080, South Korea
关键词
styrene-co-4-vinylpyridine copolymers; ionomer; ion-dipole interaction; compatibilization;
D O I
10.1002/(SICI)1097-4628(19980725)69:4<807::AID-APP20>3.0.CO;2-K
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The compatibilizing effect of styrene-co-4-vinylpyridine (SVP) random copolymers on the immiscible polystyrene (PS)-polyethylene-based ionomer (Surlyn) blends was examined by means of scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy, and tensile test. For the binary SVP-Surlyn and ternary PS-Surlyn-SVP blends, the domain size of dispersed phase decreases dramatically with the increase in the vinyl pyridine (VP) content of the SVP copolymers. The mechanical properties are improved with increasing the VP content in copolymers. FTIR results suggest that the compatibilization in this blend system is attributed to the ion-dipole interaction between the polar VP groups of SVP copolymer and ionic groups of Surlyn. (C) 1998 John Wiley & Sons, Inc.
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页码:807 / 816
页数:10
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