期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 30, 期 2, 页码 133-137出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200800579
关键词
blending; block copolymers; co-continuous; morphology; nanostructures
资金
- NSF of China [20774087, 20836007]
- Program for New Century Excellent Talent in University
Blends of polystyrene/poly(methyl methacrylate) (PS/PMMA) (30/70) prepared by simple melt mixing form a droplet (PS) in-matrix (PMMA) morphology. It is found that addition of a carefully designed copolymer PS-b-P(S-ran-MMA) (SSM) compatibilizer could convert the morphology into a co-continuous system. Indeed, the continuity of the dispersed PS phase increased with an increase in PS-b-P(S-ran-MMA) content, and a fully co-continuous morphology (continuity = 100%) was obtained at 20% SSM fraction with a characteristic size of 100 nm.
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