| 摘要 |
<p>PURPOSE: To provide a bubble sheet, which undergo biodegradation in soil and volume reduction when discarded after the use, without losing the characteristics of the bubble sheet having the effective functions as a packaging material, a heat insulating material, a sound absorbing material, a material for civil engineering and architecture and an agricultural material. CONSTITUTION: As the raw material for this bubble sheet 1, a resin containing 50wt.% or more mixed body of poly-lactic acid is used.</p> |
