Radiation Effects on Blends of Poly(ε-caprolactone) and Diatomites

Hiroshi Mitomo; Kazunobu Sasada; Kenji Nishimura; Fumio Yoshii; Naotsugu Nagasawa

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Radiation Effects on Blends of Poly(ε-caprolactone) and Diatomites

机译：辐射对聚ε-己内酯和硅藻土共混物的影响

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Poly(ε-caprolactone) (PCL) was blended with diatomaceous earth (diatomite) and irradiated with γ-rays to introduce cross-linking between PCL molecules or both components. The unwashed diatomite containing a little of a volatile component showed high efficiency of introduction of cross-linking, whereas that with no volatile component showed low efficiency of introduction of cross-linking. Elongational viscosity, melt viscosity, and modulus of PCL/diatomite blend irradiated at various doses were significantly improved. Enzymatic degradation of the PCL/diatomite blend became faster than that of the PCL, though that of the blend irradiated became slower.

机译：将聚（ε-己内酯）（PCL）与硅藻土（硅藻土）混合，并用γ射线辐照，以在PCL分子或两种组分之间引入交联。含有少量挥发性成分的未洗涤硅藻土显示出高的交联引入效率，而没有挥发性成分的硅藻土显示出的低交联引入效率低。各种剂量辐照的PCL /硅藻土混合物的拉伸粘度，熔体粘度和模量均得到显着改善。 PCL /硅藻土共混物的酶促降解速度比PCL快，尽管辐照后的共混物的酶促降解速度较慢。

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来源
《Journal of Polymers and the Environment》 |2004年第2期|p.95-103|共9页
作者
Hiroshi Mitomo; Kazunobu Sasada; Kenji Nishimura; Fumio Yoshii; Naotsugu Nagasawa;
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作者单位

Department of Biological and Chemical Engineering, Faculty of Engineering, Gunma University, Kiryu, Gunma 376-8515, Japan;

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正文语种 eng
中图分类环境科学、安全科学;
关键词
poly(ε-caprolactone); diatomite; radiation-induced cross-linking; rheometric properties; heat resistance;

机译：聚ε-己内酯硅藻土辐射诱导交联流变性能耐热性;

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Radiation Effects on Blends of Poly(ε-caprolactone) and Diatomites

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