Synthesis and Enzymatic Degradation of Novel Polyurethanes Having Ester Bonds

Kamei, Midori; Kuratani, Kazuhide; Iwanaga, Maki; Inaba, Namiko; Kouzai, Hiroaki

doi:10.1295/koron.65.471

KOBUNSHI RONBUNSHU

2008

DOI: 10.1295/koron.65.471

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Synthesis and Enzymatic Degradation of Novel Polyurethanes Having Ester Bonds

Midori Kamei¹,

Kazuhide Kuratani²,

Maki Iwanaga³

et al.

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2015

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Synthesis of Novel UV-Curable Resin Using Castor Oil with 2-Acryloyloxyethyl Isocyanate

Uchida

Kouzai

2015

KOBUNSHI RONBUNSHU

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要旨 2-アクリロイルオキシエチルイソシアナートとヒマシ油を開始剤とした分枝ポリ乳酸を用いて新規な UV 硬化性樹脂を合成した．UV 硬化性樹脂は比較的高い収率 (90%) で得られた．さらに，UV 硬化性樹脂を 30 分間 UV 照射により硬化させた．得られた硬化フィルムのガラス転移温度は-5°C であり，ゴム状平坦領域が動的粘弾性測定において約 20°C の測定値から開始していたことから，エラストマー特性を有していることがわかった．硬化フィルムの熱安定性を TGA により測定したところ，重量減少は 210°C で開始した．機械的特性として，ヤング率は応力-ひずみ曲線で 317.9 MPa であった．硬化フィルムは，ブタ膵臓由来リパーゼにより酵素分解性 (最大 8.4%，30 日間) を示した．分解した硬化フィルムの SEM 顕微鏡写真では，フィルム表面に多数の穴を示した．

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Synthesis of Novel UV-Curable Resin Using Castor Oil with 2-Acryloyloxyethyl Isocyanate

Uchida

Kouzai

2015

KOBUNSHI RONBUNSHU

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show abstract

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Synthesis and Enzymatic Degradation of Novel Polyurethanes Having Ester Bonds

Cited by 1 publication

References 4 publications

Synthesis of Novel UV-Curable Resin Using Castor Oil with 2-Acryloyloxyethyl Isocyanate

Synthesis of Novel UV-Curable Resin Using Castor Oil with 2-Acryloyloxyethyl Isocyanate

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