2003 年 123 巻 3 号 p. 301-314
Polyethylene (PE) consists of non polar molecular chain having simple structure unit. Physically, it is so stable and flexible that this polymer is used widely for electric wire, electric power cable and various molding goods. Among the fundamental properties of PE, the crystalline texture, the formation of spherulite, has a pronounced influence on it's mechanical and electric properties. For the purpose of improving these properties of PE the spherulites is disappeared completely by heat mixing of PE with Li2CO3. Thus obtained PE has no spherulites, uniform structure, and excellent electrical and mechanical and thermal properties, e.g. short treeing length and high electric break down strength, and high tearing impact strength.
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