Comparison of Chain Structures between High-speed Extrusion Coating Polyethylene Resins by Preparative Temperature Rising Elution Fractionation and Cross-fractionation

Yan-hu Xue; Shu-qin Bo; Xiang-ling Ji

doi:10.1007/s10118-015-1709-9

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Comparison of Chain Structures between High-speed Extrusion Coating Polyethylene Resins by Preparative Temperature Rising Elution Fractionation and Cross-fractionation

PAPER | Updated：2021-06-21

- Comparison of Chain Structures between High-speed Extrusion Coating Polyethylene Resins by Preparative Temperature Rising Elution Fractionation and Cross-fractionation
- Comparison of Chain Structures between High-speed Extrusion Coating Polyethylene Resins by Preparative Temperature Rising Elution Fractionation and Cross-fractionation
- Chinese Journal of Polymer Science 2015年33卷第11期页码：1586-1597
- Affiliations：
  
  State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Author bio：
  
  **Xiang-ling Ji (姬相玲), E-mail: xlji@ciac.ac.cn
- Funds：
  
  National Basic Research Program of China(2005CB623806);National Natural Science Foundation of China(20734006;50921062)
- DOI：10.1007/s10118-015-1709-9
  中图分类号：
- 收稿：2015-04-20，
  
  修回：2015-05-18，
  
  录用：2015-05-27，
  
  纸质出版：2015-11
- Accepted：
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Yan-hu Xue, Shu-qin Bo, Xiang-ling Ji. Comparison of Chain Structures between High-speed Extrusion Coating Polyethylene Resins by Preparative Temperature Rising Elution Fractionation and Cross-fractionation[J]. Chinese Journal of Polymer Science, 2015,33(11):1586-1597.

Yan-hu Xue, Shu-qin Bo, Xiang-ling Ji. Comparison of Chain Structures between High-speed Extrusion Coating Polyethylene Resins by Preparative Temperature Rising Elution Fractionation and Cross-fractionation[J]. Chinese Journal of Polymer Science, 2015, 33(11): 1586-1597.
Yan-hu Xue, Shu-qin Bo, Xiang-ling Ji. Comparison of Chain Structures between High-speed Extrusion Coating Polyethylene Resins by Preparative Temperature Rising Elution Fractionation and Cross-fractionation[J]. Chinese Journal of Polymer Science, 2015,33(11):1586-1597. DOI： 10.1007/s10118-015-1709-9.

Yan-hu Xue, Shu-qin Bo, Xiang-ling Ji. Comparison of Chain Structures between High-speed Extrusion Coating Polyethylene Resins by Preparative Temperature Rising Elution Fractionation and Cross-fractionation[J]. Chinese Journal of Polymer Science, 2015, 33(11): 1586-1597. DOI： 10.1007/s10118-015-1709-9.

摘要

Abstract

Two polyethylene (PE) resins (samples A and B) are synthesized as high-speed extrusion coatings with similar minimum coating thickness and neck-in performance but different maximum coating speeds. Both samples are separated into seven fractions using preparative temperature rising elution fractionation. The microstructures of the original samples and their fractions are studied by high-temperature gel permeation chromatography

Fourier transform infrared spectroscopy

C nuclear magnetic resonance spectroscopy

differential scanning calorimetry

and successive self-nucleation/annealing thermal fractionation. Compared with sample B

sample A has a broader MWD

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