6.2.2 Basic Morphology of Polymer Crystals “ Single crystals” have one lattice > "Polycrystalline samples?" are aggregates of many single crystals Crystal Habits >a: lamellar(薄片状) b: platy c: tabular d: isometric e: prismatic e f: acicular 9 g: needle-like d >k: fibrous(纤维状) Macromolecular crystals are often lamellar or fibrous6.2.2 Basic Morphology of Polymer Crystals ¾ Crystal Habits: ¾ a: lamellar (㮴⡷⣦) b: platy c: tabular d: isometric e: prismatic f: acicular g: needle-like ¾ h: fibrous (㓔㔤⣦) ¾ “Single crystals” have one lattice ¾ Macromolecular crystals are often lamellar or fibrous. ¾ “Polycrystalline samples” are aggregates of many single crystals 11