应用化学 ›› 1993, Vol. 0 ›› Issue (5): 81-83.
• 研究简报 • 上一篇 下一篇
阎寿科, 林健, 杨德才
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Yan Shouke, Lin Jian, Yang Decai
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摘要: 附生结晶(epitaxy)是指结晶物质在结晶基质上的取向成核和生长。聚合物-聚合物的附生结晶揭示了聚合物间新的结构关系,在高分子物理领域引起了极大兴趣和广泛关注。根据结构关系,聚合物附生结晶主要分为两类,即均相附生结晶(homoepitaxy)和异相附生结晶(het-eroepitaxy)。
关键词: 全同立构聚丙烯, 支化聚乙烯, 附生结晶, 形态结构
Abstract: The epitaxial crystallization of LDPE on highly oriented iPP films was studied by means of electron microscopy. The electron microsraphs of LDPE/iPP layered films indicate that after heat treatment and recrystallization, a thin layer of LDPE can form a cross-hatched lamellar structure on the oriented iPP films. The LDPE lameliae incline ?40皌o the drawing direction of iPP film. Electron diffraction patterns confirmed that the c axes of LDPE are ?50? apart from the c axes of iPP.The contact planes are (010) of iPP and (100) of LDPE.
Key words: polypropylene, low-density polyethylene, epitaxial crystallization, morphology
阎寿科, 林健, 杨德才. LDPE/iPP复合膜的附生结晶研究[J]. 应用化学, 1993, 0(5): 81-83.
Yan Shouke, Lin Jian, Yang Decai. EPITAXIAL CRYSTALLIZATION OF LAYERED FILMS OF LDPE WITH HIGHLY ORIENTED iPP[J]. Chinese Journal of Applied Chemistry, 1993, 0(5): 81-83.
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