PACKAGING MATERIAL AND BATTERY

• Main Authors: YAMASHITA RIKIYA, HIRAKI KENTA, TAKAHAGI ATSUKO
• Format: Patent
• Language: English; Japanese
• Published: 04.01.2022
• Subjects: BASIC ELECTRIC ELEMENTS; CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

To provide a packaging material having excellent impact resistance.SOLUTION: A packaging material is composed of a laminate having at least a base material layer, a barrier layer, and a heat-sealing resin layer in this order, and in the laminate, the breaking energy per unit width of 1 m calculated from the curve of test force-displacement amount measured when the tensile test is performed under the following test conditions is 400 J or more in total of one direction which is the vertical direction to the thickness direction of the laminate and the other directions which is vertical direction to the one direction and the thickness direction of the laminate.SELECTED DRAWING: None 【課題】本発明は、耐衝撃性に優れた包装材料を提供する。【解決手段】少なくとも、基材層、バリア層、及び熱融着性樹脂層をこの順に備える積層体から構成されており、前記積層体は、下記試験条件にて引張試験を行った際に計測される、試験力−変位量の曲線から算出される単位幅１ｍ当りの破断エネルギーが、前記積層体の厚み方向とは垂直方向の一方向と、前記一方向及び前記積層体の厚み方向とは垂直方向である他方向の合計で４００Ｊ以上である、包装材料。【選択図】なし