Intercalation and exfoliation behaviors of organo - mmts in low density polyethylene ( ldpe ) and copolyethylene / mmt systems have been investigated . it was found that ldpe has certain intercalation capability , while ethylene vinyl - acetate copolymer ( eva ) with polar groups exhibits some compatibilization and excellent intercalation capability 结果表明，非极性的ldpe插层能力极其有限，聚乙烯共聚物具有良好的插层能力； mmt分散效果以及复合材料的性能取决于高分子链的极性和有机蒙脱土的性质。
This is because they have inclusive between the polar groups of nylon and organo - mmt ( ommt ) . however , pp is a kind of non - polar polymer with mmt being difficult to realize complete intercalation and exfoliation . therefore , the domestic research about the pp / mmt nanocomposites were still little 这是由于尼龙的极性基团与有机化蒙脱土的极性基团之间具有相容性，而聚丙烯( pp )是一种非极性的聚合物，与蒙脱土不易实现完全的插层剥离，因此国内关于pp蒙脱土纳米复合材料的研究还鲜有报道。
Taking the poet hai zi as a typical example , this paper seeks to touch on implications of the poet ' s " life narration " and find out some truths of his mind through an analysis of his spiritual development in poetical activities and an examination of his tragedy - colored spiritual life moving back and forth between aesthetics and faith 摘要本文以海子为重点个案，以透析诗性活动过程中主体的思想和精神之基本进路为观照视角，以考量审美与信仰作为潜在极性的抒情场中诗性个体的精神生态深富悲剧色彩的两重性表现为主线，试图触摸一下诗人“生命叙事”的内涵，找出某些贯穿诗人心路历程的“真值”函项。
