• Comparison of Constant Ratio and Constant Composition Gas Feeding Modes in Olefin Gas-Phase Copolymerization
  • Zheng Zheng

  • Zhejiang Industry Polytechnic College, 151 Qutun Road, Yuecheng District, Shaoxing, Zhejiang, China 312000

  • 올레핀 기상 공중합에서 일정비율 및 일정조성 가스 공급 방식의 비교
  • Reproduction, stored in a retrieval system, or transmitted in any form of any part of this publication is permitted only by written permission from the Polymer Society of Korea.


References
  • 1. Zheng, Z.; Yang, Y. L.; Huang, K.; Hu, J. J.; Jie, S. Y.; Li, B. G. Real-time Detection of Atmosphere Composition in Three-component Gas-phase Copolymerization of Olefins. Macromol. Reaction Eng. 2018, 12, 1800042.
  •  
  • 2. Zheng, Z. Gas-phase Copolymerization of Ethylene, Propene and Hydrogen Under Controlled Atmosphere Composition In Reactor. Polym. Korea 2025, 49, 187-196.
  •  
  • 3. Wang, R.; Luo, Y. W.; Li, B. G.; Zhu, S. P. Control of Gradient Copolymer Composition in ATRP Using Semibatch Feeding Policy. AIChE Journal 2007, 53, 174-186.
  •  
  • 4. Wilkens, J. B. High-conversion Drift-free Batch-type Addition Copolymerization, U.S. Patent Appl. US4048413, 1977.
  •  
  • 5. Matsushita, Y.; Noro, A.; Iinuma, M.; Suzuki, J.; Ohtani, H.; Takano, A. Effect of Composition Distribution on Microphase-separated Structure From Diblock Copolymers. Macromolecules 2003, 36, 8074-8077.
  •  
  • 6. Noro, A.; Iinuma, M.; Suzuki, J.; Takano, A.; Matsushita, Y. Effect of Composition Distribution on Microphase-separated Structure From BAB Triblock Copolymers. Macromolecules, 2004, 37, 3804-3808.
  •  
  • 7. Gentekos, D. T.; Sifri, R. J.; Fors, B. P. Controlling Polymer Properties Through the Shape of the Molecular-weight Distribution. Nat. Rev. Mater. 2019, 4, 761-774.
  •  
  • 8. Whitfield, R.; Truong, N. P.; Messmer, D.; Parkatzidis, K.; Rolland, M.; Anastasaki, A. Tailoring Polymer Dispersity and Shape of Molecular Weight Distributions: Methods and Applications. Chem. Sci. 2019, 10, 8724-8734.
  •  
  • 9. Chakravarti, S.; Ray, W. H. Kinetic Study of Olefin Polymerization with a Supported Metallocene Catalyst. II. Ethylene/1-hexene Copolymerization in Gas Phase. J. Appl. Polym. Sci. 2001, 80, 1096-1119.
  •  
  • 10. Debling, J. A. Modeling Particle Growth and Morphology of Impact Polypropylene Produced in the Gas Phase. Ph.D. Thesis. University of Wisconsin-Madison, America, 1997.
  •  
  • 11. Han-Adebekun, G. C. Heterogeneous Catalyzed Gas Phase Polymerization of Olefins: Kinetic Studies and Modelling Investigations. Ph.D. Thesis. University of Wisconsin-Madison, America, 1997.
  •  
  • 12. Hu, J. J. Studies on Homo- and co-polymerization of Propylene for Preparing Polyolefin Reactor Alloy. Ph.D. Thesis. Zhejiang University, China, 2006.
  •  
  • 13. Tan, N. Effect of Temperature on Property Homo- and co-polymerization Kinetics and Microstructure of Polymer Made with Ziegler-Natta Catalyst. Ph.D. Thesis. Beijing University of Chemical Technology, China, 2015.
  •  
  • 14. Zhang, B. Synthesis of Multicomponent Polyolefin Materials with Polyethylene and Polypropylene Matrix by Sequential Polymerization. Ph.D. Thesis. Zhejiang University, China, 2016.
  •  
  • 15. Liu, W. F. Tailoring Ethylene/1-octene Copolymers in a Solution Copolymerization Process. Ph.D. Thesis. Zhejiang University, China, 2014.
  •  
  • 16. Müller, A. J.; Arnal, M. L. Thermal Fractionation of Polymers. Prog. Polym. Sci. 2005, 30, 559-603.
  •  
  • 17. Keating, M.; Lee, I. H.; Wong, C. S. Thermal Fractionation of Ethylene Polymers in Packaging Applications. Thermochimica Acta, 1996, 284, 47-56.
  •  
  • 18. Zhang, M.; Wanke, S. E. Quantitative Determination of Short-chain Branching Content and Distribution in Commercial Polyethylenes by Thermally Fractionated Differential Scanning Calorimetry. Polym. Eng. Sci. 2003, 43, 1878-1888.
  •  
  • 19. Zhang, F.; Fu, Q.; Lü, T.; Huang, H.; He, T. Improved Thermal Fractionation Technique for Chain Structure Analysis of Ethylene/a-olefin Copolymers. Polymer 2002, 43, 1031-1034.
  •  
  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2024 Impact Factor : 0.6
  • Indexed in SCIE

This Article

  • 2026; 50(1): 114-127

    Published online Jan 25, 2026

  • 10.7317/pk.2026.50.1.114
  • Received on Jul 21, 2025
  • Revised on Sep 20, 2025
  • Accepted on Sep 23, 2025

Correspondence to

  • Zheng Zheng
  • Zhejiang Industry Polytechnic College, 151 Qutun Road, Yuecheng District, Shaoxing, Zhejiang, China 312000

  • E-mail: 20240017@zjipc.edu.cn