| 摘要 |
PROBLEM TO BE SOLVED: To provide a crosslinked polylactic acid resin film having both biodegradability and heat-shrinkability, and to provide a shrink packaged product tightly covered by the film under tension. SOLUTION: The heat-shrinkable polylactic acid based resin film has heat a shrinkage at 150 deg.C in both the longer direction (MD direction) and the width direction (TD direction) of >=60% in the crosslinked film composed of a polylactic acid based resin. The shrink packaged product is obtained by subjecting an article to be packed to three-way sealing with the use of this film at a margin of 10-50% in each of the longitudinal and crosswise directions to obtain an article to be packaged which has been covered with a packaging film, making a small air vent hole in the packaging film of the article to be packaged, and allowing the film to adhere to the article to be packaged under tension by heat shrinkage. |
