Synthesis of Well-Defined Thermoresponsive Polyphosphoester Macroinitiators Using Organocatalysts
被引:109
作者:
Iwasaki, Yasuhiko
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Kansai Univ, Fac Chem Mat & Bioengn, Dept Chem & Mat Engn, Suita, Osaka 5648680, JapanKansai Univ, Fac Chem Mat & Bioengn, Dept Chem & Mat Engn, Suita, Osaka 5648680, Japan
Iwasaki, Yasuhiko
[1
]
Yamaguchi, Etsuko
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Kansai Univ, Fac Chem Mat & Bioengn, Dept Chem & Mat Engn, Suita, Osaka 5648680, JapanKansai Univ, Fac Chem Mat & Bioengn, Dept Chem & Mat Engn, Suita, Osaka 5648680, Japan
Yamaguchi, Etsuko
[1
]
机构:
[1] Kansai Univ, Fac Chem Mat & Bioengn, Dept Chem & Mat Engn, Suita, Osaka 5648680, Japan
A study was conducted to demonstrate the synthesis of well-defined polyphosphoesters with a narrow molecular weight distribution and a high molecular weight using organocatalysts. Block copolymers with 2-methacryloyloxyethylphosphorylcholine (MPC) were also synthesized by using poly(2-isopropoxy-2-oxo-1,3,2-dioxaphospholane) (PIPP) as a macroinitiator. PIPP was synthesized by ring-opening polymerization (ROP) using an organocatalyst as an initiator in the presence of of HEBB. A given amount of organocatalyst was introduced and polymerization was carried out at 0 °C. The mechanism of ROP with organocatalysts was characterized using 1H NMR by the researchers.
机构:
Tokyo Med & Dent Univ, Inst Biomat & Bioengn, Chiyoda Ku, Tokyo 1010062, JapanTokyo Med & Dent Univ, Inst Biomat & Bioengn, Chiyoda Ku, Tokyo 1010062, Japan
Iwasaki, Y
Akiyoshi, K
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Tokyo Med & Dent Univ, Inst Biomat & Bioengn, Chiyoda Ku, Tokyo 1010062, JapanTokyo Med & Dent Univ, Inst Biomat & Bioengn, Chiyoda Ku, Tokyo 1010062, Japan
机构:
Tokyo Med & Dent Univ, Inst Biomat & Bioengn, Chiyoda Ku, Tokyo 1010062, JapanTokyo Med & Dent Univ, Inst Biomat & Bioengn, Chiyoda Ku, Tokyo 1010062, Japan
Iwasaki, Y
Akiyoshi, K
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Tokyo Med & Dent Univ, Inst Biomat & Bioengn, Chiyoda Ku, Tokyo 1010062, JapanTokyo Med & Dent Univ, Inst Biomat & Bioengn, Chiyoda Ku, Tokyo 1010062, Japan