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Core‐Shell Nanoblends from Soy Protein/Polystyrene by Emulsion Polymerization
Author(s) -
Liu Dagang,
Tian Huafeng,
Zeng Jian,
Chang Peter R.
Publication year - 2008
Publication title -
macromolecular materials and engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 96
eISSN - 1439-2054
pISSN - 1438-7492
DOI - 10.1002/mame.200800119
Subject(s) - soy protein , materials science , polystyrene , emulsion , emulsion polymerization , shell (structure) , polystyrene sulfonate , scanning electron microscope , chemical engineering , polymerization , core (optical fiber) , polymer chemistry , composite material , polymer , chemistry , pedot:pss , biochemistry , engineering
Novel soy protein/polystyrene nanoblends with core‐shell structures were successfully prepared by introducing nano‐sized PS into soy protein through emulsion polymerization. The nanoblends showed core‐shell structures, with the core being of PS and the shell of sodium dodecane sulfonate and soy protein polypeptides, when investigated by electron microscopy. Nanoblends containing high levels of PS (>30%) exhibited characteristic infrared spectrum bands, X‐ray diffraction peak, and glass transition, since PS microsphere aggregated to form independent PS domains. Mechanical strength and water resistance were effectively improved by introducing PS. An effective structure‐performance relationship was thereby established to describe the nanoblends.