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Citation: . IN-SITU AFM OF POLYMER CRYSTALLIZATION[J]. Chinese Journal of Polymer Science, ;2003, 21(2): 135-140. shu

IN-SITU AFM OF POLYMER CRYSTALLIZATION

Received Date: 31 August 2002

Atomic force microscopy images taken during the crystallization of polyethylene both from processed andquiescent melts are presented. Crystallization from processed melts provides further evidence of a region in front of agrowing lamella that is influenced by the crystallization process, but extending only 40 nm into the melt. High-resolutionimages of the growing crystal tip, taken during crystallization, show no direct evidence of the existence of intermediatephases. The growing tip is shown to be slightly rounded.In-filling crystallization,occurring after the initial flush of growth,is imaged in polyethylene for the first time,and shown to continue to a temperature 8℃ below the initial crystallization temperature.
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