

FOLLOWUS
Department of Polymer Science and Engineering and the State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China
Sixun Zheng (郑思珣), E-mail:szheng@sjtu.edu.cn
Received:16 May 2017,
Revised:2017-06-25,
Accepted:28 June 2017,
Published:05 December 2017
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Houluo Cong, Sen Xu, Sixun Zheng. Synthesis and Microphase Separation Behavior of Random, Mixed Cylindrical Brush Copolymers Bearing Polystyrene and Poly(
A series of mixed
random cylindrical brush copolymers bearing polystyrene (PS) and poly(
ε
-caprolactone) (PCL) side chains were synthesized
via
the combination of ring-opening polymerization (ROP) and atom transfer radical polymerization (ATRP). These novel cylindrical brush copolymers have been characterized by means of nuclear magnetic resonance (NMR) spectroscopy
gel permeation chromatography (GPC) and differential scanning calorimetry (DSC). It was found that the mikto-armed cylindrical brush copolymers were microphase-separated in bulks and that the morphologies were dependent on the mass ratios of PS to PCL side chains. One of the cylindrical brush copolymers was employed to incorporate into epoxy thermoset to investigate effect of the mikto-armed cylindrical brush architecture on the reaction-induced microphase separation behavior. Depending on the concentration of the cylindrical brush in epoxy
the thermosets can display the morphologies with the spherical
worm-like and lamellar PS microdomains dispersing in continuous thermosetting matrices.
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