Application of Successive Self-nucleation and Annealing to Study the Stereo-defects Distribution of Biaxially Oriented Polypropylene

The stereo-defects distribution of polypropylene of the two industry biaxially oriented polypropylene （BOPP） samples T28FE and F28SO with different processing properties was studied through successive self-nucleation and annealing （SSA） technique. It was found that there were more medium isotactic c...

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Bibliographic Details
Published in:Chinese journal of polymer science 2014-03, Vol.32 (3), p.362-370
Main Authors: Chang, He-fei, Li, Hua-yi, Zheng, Tao, Zhou, Qian, Zhang, Liao-yun, Hu, You-liang
Format: Article
Language:English
Subjects:
Annealing
BOPP薄膜
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Condensed Matter Physics
High speed
Industrial Chemistry/Chemical Engineering
Isotactic
Orientation
Polymer Sciences
Polypropylenes
全同立构
双向拉伸聚丙烯
应用
立体
缺陷分布
自成核
退火
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Summary:The stereo-defects distribution of polypropylene of the two industry biaxially oriented polypropylene （BOPP） samples T28FE and F28SO with different processing properties was studied through successive self-nucleation and annealing （SSA） technique. It was found that there were more medium isotactic components in sample F28SO, and the isotactic sequence length of polypropylene of sample F28SO was shorter and the isotactic sequence length distribution of polypropylene of sample F28SO was broader, which could be processed well at high-speed orientation during the processing of BOPP films. This result indicates that the isotactic sequence length distribution of polypropylene is related to the processing speed during preparing BOPP films, and the stereo-defects distribution of polypropylene has an important influence on its processing ability.
ISSN:0256-7679
1439-6203
DOI:10.1007/s10118-014-1412-2