Abstract
Polystyrenes (1) and poly(dimethyl siloxane)s (2) with alkoxyamine units in the main chain were prepared through nitroxide-mediated living radical polymerization of styrene with poly(alkoxyamine) macroinitiator and polyaddition of a poly(dimethyl siloxane)-diol and an alkoxyamine-diol with hexamethylene diisocyanate, respectively. Macromolecular radical crossover reaction of the polymers was carried out by heating an anisole solution of the mixture of 1 and 2 at 100°C. Characterization of the hybridized polymers were carried out with differential scanning calorimetry, dynamic mechanical analysis, and so on. Each polymer was successfully hybridized in given conditions to give multiblock copolymers with phase-separated aggregation structure.
| Original language | English |
|---|---|
| Number of pages | 1 |
| Publication status | Published - Oct 18 2006 |
| Event | 55th SPSJ Annual Meeting - Nagoya, Japan Duration: May 24 2006 → May 26 2006 |
Other
| Other | 55th SPSJ Annual Meeting |
|---|---|
| Country | Japan |
| City | Nagoya |
| Period | 5/24/06 → 5/26/06 |
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All Science Journal Classification (ASJC) codes
- Engineering(all)
Cite this
Scrambling of polystyrene and poly(dlmethyl siloxane) by radical crossover reaction of alkoxyamine units. / Higaki, Yuji; Otsuka, Hideyuki; Takahara, Atsushi.
2006. Paper presented at 55th SPSJ Annual Meeting, Nagoya, Japan.Research output: Contribution to conference › Paper
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TY - CONF
T1 - Scrambling of polystyrene and poly(dlmethyl siloxane) by radical crossover reaction of alkoxyamine units
AU - Higaki, Yuji
AU - Otsuka, Hideyuki
AU - Takahara, Atsushi
PY - 2006/10/18
Y1 - 2006/10/18
N2 - Polystyrenes (1) and poly(dimethyl siloxane)s (2) with alkoxyamine units in the main chain were prepared through nitroxide-mediated living radical polymerization of styrene with poly(alkoxyamine) macroinitiator and polyaddition of a poly(dimethyl siloxane)-diol and an alkoxyamine-diol with hexamethylene diisocyanate, respectively. Macromolecular radical crossover reaction of the polymers was carried out by heating an anisole solution of the mixture of 1 and 2 at 100°C. Characterization of the hybridized polymers were carried out with differential scanning calorimetry, dynamic mechanical analysis, and so on. Each polymer was successfully hybridized in given conditions to give multiblock copolymers with phase-separated aggregation structure.
AB - Polystyrenes (1) and poly(dimethyl siloxane)s (2) with alkoxyamine units in the main chain were prepared through nitroxide-mediated living radical polymerization of styrene with poly(alkoxyamine) macroinitiator and polyaddition of a poly(dimethyl siloxane)-diol and an alkoxyamine-diol with hexamethylene diisocyanate, respectively. Macromolecular radical crossover reaction of the polymers was carried out by heating an anisole solution of the mixture of 1 and 2 at 100°C. Characterization of the hybridized polymers were carried out with differential scanning calorimetry, dynamic mechanical analysis, and so on. Each polymer was successfully hybridized in given conditions to give multiblock copolymers with phase-separated aggregation structure.
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