研究了人工模拟紫外线照射条件下软包装复合材料(BOPET/AL/LDPE)拉伸性能的变化情况;分析了不同加载速率和紫外线照射时间下,复合材拉伸强度和伸长率的变化规律。
The tension properties of multi-layer flexible packaging material (BOPET/AL/LDPE) after exposure to artificial ultraviolet radiation were studied. The change of the tension strength and the rupture elongating rate with different loading rates and ultraviolet radiation exposure time was measured and analyzed.