BLOW MOLDED ARTICLES

摘要

In accordance with the present invention, there are provided blow molded articles which are composed of specific copolyesters or specific polyester resin compositions and which are highly oriented so that the stretch index as defined by the following equations becomes not less than 130 cm. $The\; blow\; molded\; articles\; thus\; provided\; are\; excellent\; in\; transparency\; and\; also\; excellent\; in\; moldability\; and\; gas\; barrier\; properties\; and,\; moreover,\; excellent\; also\; in\; economical\; efficiency.$