Dissertation > Excellent graduate degree dissertation topics show

Amplification Sedimentation of Ethylene Slurry Polymerization Catalysts

Author: DongChunMing
Tutor: NingYingNan
School: Northeast University of Petroleum
Course: Chemical processes
Keywords: Ziegler-Natta catalysts Ethylene 1 - butene Internal electron donor
CLC: TQ325.12
Type: Master's thesis
Year: 2011
Downloads: 28
Quote: 1
Read: Download Dissertation


This thesis based on MgCl 2 carrier-type Ziegler-Natta catalyst enlarged study small test preparation process is amplified according to similar amplification principle , the catalyst , and the obtained catalyst with triethylaluminum (AlEt3 ) combined with ethylene and 1 - butene Copolymerization . Preparation efficient electron donor compound was added on the basis of the traditional Ziegler-Natta catalyst (diphenyl- dimethoxysilane ) MgCl 2 supported Ziegler-Natta catalyst , which is aimed at maintaining the traditional catalyst under the precondition of a high activity , to improve the hydrogen response of the catalyst and copolymerization properties . Paper systematically studied the ratio of magnesium alkoxide in the catalyst preparation process , the type of the electron donor , the electron donor added in an amount and influence of temperature on catalyst performance was added to the electron donor , the catalyst preparation conditions . According to the catalyst small test results to determine the catalyst the amplifying prepared process conditions , and the inspection in terms of the composition of the catalyst and the polymerization performance of the catalyst enlarge the feasibility of the preparation process , and repetition stability . In this thesis GZ catalyst amplification studies have shown that the catalyst to enlarge prepared with a good repeat stability , GZ zoom catalyst with advanced catalyst (R1, R2) , a comparative study , the hydrogen response is higher than that the GZ to enlarge catalyst parameters higher than the catalyst , the copolymerization performance , the bulk density of the polymer produced , the polymerization of the fines content of the product and the oligomer wax content significantly lower than the other two catalysts , better prospects of industrial application . Near GZ catalyst amplification study for catalyst laboratory research to industrial production has a very important significance .

Related Dissertations

  1. Alkylation of Isobutane with Butene Using Sulfuric Acid as Catalyst,O643.32
  2. Experimental Study on the Ethylene/air Diffusion Flame Based on Near-infrared Emission Spectrometry Measurement,TK16
  3. Study on the Ziegler-Natta Catalyst for 1-Butene Polymerization,TQ325.14
  4. Synthesis of Suspension Grafting PEB-g-MAN and Its Toughening Effect on SAN Resin,TQ320.7
  5. Study on Morphology and Propeties of New Polyolefin POE,TQ334.2
  6. Study on Process Intensification of Chlorination of 1,3-dichloro-2-butuene,TQ222.4
  7. The Research of Novel Non-Metallocene Catalysts with Phenoxy-Imine Ligands for Ethylene Polymerization and Ethylene/Acrylonitrile Copolymerization,O631.5
  8. Preparation and Property Study of POE-g-ITA Toughened Nylon 66,TQ323.6
  9. Sec-Butylation of Naphthalene by 2-Butene over Large Pore Zeolite,TQ241.52
  10. Investigation of Sec-Butylbenzene Synthesis from the Alkylation of Benzene with Butylene,TQ241
  11. Intumescent Flame Retardants for Polyethylene,TQ325.12
  12. Preparation, Morphology and Properties of Poly(Trimethylene Terephthalate)/poly(Ethylene 2,6-naphthalate) Blends,TQ322.3
  13. Solid-Phase Organic Synthesis of Heterocyclic Compounds Based on Polystyrene-Supported Sulfonyl Compounds,O631.3
  14. Study on the High Active Multi-Species Catalyst System TiCl4/MgCl2/SiO2 for the Polymerization of Ethylene and Copolymerization of Ethylene with 1-Hexene,O631.3
  15. Synthesis, structure and photophysical studies of new aromatic nitrogen ligands macrocyclic copper ( I ) complexes,O627.12
  16. Study on Performance of Asphalt Modified by Polyethylene Wax and Ethylene-Propylene Rubber,U414
  17. Preparation and Properties of Polybutene-1 Thermoplastic Elastomer,TQ334.2
  18. Synthesis of Ionic Liquids and Their Catalytic Performance in Depolymerization of Polyethylene Terephthalate,O643.32
  19. The Economic Evaluation of 10,000 Tons/Year Ethylene Amines Project to Weifang Chemical Plant,F224
  20. Theoretical Study of Chiral Discrimination in Fluorinated Chiral Molecule,O641.121

CLC: > Industrial Technology > Chemical Industry > Synthetic resins and plastics industry > Polymer resin and plastic > Polyolefin plastic > Polyethylene
© 2012 www.DissertationTopic.Net  Mobile