【摘要】 介绍了从 1998年 2月至 1999年 12月在北京海淀区对韩国现代石化公司的PE和EVA棚膜与国产相应棚膜的覆盖对比试验。观测了棚膜的农艺性、透光性、保温性、流滴性、防雾性、耐候性以及棚膜的力学性能变化 ,并讨论了棚膜的配方与这些性能的关系。更多还原

【Abstract】 From February 1998 to December 1999,a comparison field test for PE and EVA greenhouse film produced by Korea Modern Petro-Chemical Corp.and domestic factories was carried out in Haidian distruct,Beijing.The transparency,antifogging property, heat retention,weathering resistance and mechanical property changes of films were tested.And the relationship between film formulations and those properties was discussed.更多还原