ON THE FINE-STRUCTURE OF SHISH-KEBABS IN INJECTION-MOLDED POLYETHYLENE

被引:15
|
作者
MARTINEZSALAZAR, J [1 ]
RAMOS, JVG [1 ]
PETERMANN, J [1 ]
机构
[1] DORTMUND UNIV,LEHRSTUHL WERKSTODTKUNDE,FACHBEREICH CHEM TECH,W-4600 DORTMUND,GERMANY
关键词
SHISH-KEBAB MORPHOLOGY; MOLECULAR CONNECTIVITY; SAXS AT ELEVATED TEMPERATURES;
D O I
10.1080/00914039308012038
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The fine structure of melt-crystallized shish-kebabs is investigated by means of TEM, SAXS, DSC and RS. In addition to the well known two morphological entities (shish and kebab), a third entity called ''transitional zone'' has been detected by TEM and two independent SAXS maxima. The transitional zone is characterized by a crystal morphology somewhere in between the shish and kebab crystals and a comparatively high connectivity of molecules along those crystals. In situ SAXS experiments at elevated temperatures reveal the change of the size of this zone with crystallization conditions.
引用
收藏
页码:111 / 121
页数:11
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