| 摘要 |
<p>PROBLEM TO BE SOLVED: To improve balance of performance by providing a crosslinking structure for a composition sheet of a linear low-density polyethylene and syndiotactic 1, 2-polybutadiene, for constituting a case. SOLUTION: A linear low-density polyethylene composed of a known polymer that mainly contains ethylene and contains small amount ofα-olefin group such as butene-1 as copolymer component is used as a component A. Syndiotactic butadiene whose 1, 2 bonding amount is more than about 85% is used as a component B. A composition sheet composed of the both components A, B provided with a crosslinking structure, and forms a container. In balance aspect such as transparency, flexibility, and heat resistance, content of the component B is preferably 0.3-10 wt.%, more preferably 0.5-8 wt.%. As for the degree of crosslinking, gelation content ratio is 25-85 wt.%, more preferably, 30-80 wt.% in terms of balance aspect. Thus, performance balance can be improved.</p> |
