Extremely Rigid Polymerization Catalyst for iPP

Synfacts ◽  
2021 ◽  
Vol 17 (08) ◽  
pp. 0872
Keyword(s):  
Polymerization Catalyst

Mechanistic Investigations into the Behavior of a Labeled Zirconocene Polymerization Catalyst

2012 ◽  
Vol 31 (5) ◽  
pp. 2097-2107 ◽  
Author(s):  
Beth M. Moscato ◽  
Bolin Zhu ◽  
Clark R. Landis
Keyword(s):  
Polymerization Catalyst ◽  
Mechanistic Investigations

Metallocene Polymerization Catalyst Ion-Pair Aggregation by Cryoscopy and Pulsed Field Gradient Spin−Echo NMR Diffusion Measurements

2003 ◽  
Vol 125 (18) ◽  
pp. 5256-5257 ◽  
Author(s):  
Nicholas G. Stahl ◽  
Cristiano Zuccaccia ◽  
Tryg R. Jensen ◽  
Tobin J. Marks
Keyword(s):  
Field Gradient ◽  
Spin Echo ◽  
Ion Pair ◽  
Pulsed Field ◽  
Polymerization Catalyst ◽  
Nmr Diffusion

Crystalline magnesium chloride–electron donor complexes: new support materials for Ziegler–Natta catalysts

2017 ◽  
Vol 46 (13) ◽  
pp. 4452-4460 ◽  
Author(s):  
V. H. Nissinen ◽  
I. O. Koshevoy ◽  
T. T. Pakkanen
Keyword(s):  
Crystal Structure ◽  
Structure Formation ◽  
Magnesium Chloride ◽  
Donor Ligands ◽  
Nitrogen Donor Ligands ◽  
Support Materials ◽  
Polymerization Catalyst ◽  
Nitrogen Donor ◽  
Crystal Structure Formation ◽  
Ziegler Natta Catalysts

Chelating oxygen and nitrogen donor ligands (1,2-dimethoxyethane, 1,3-dimethoxypropane, and N,N′-diethylethylenediamine) are found to dictate the crystal structure formation of MgCl2, the important support component of a polymerization catalyst.

scholarly journals A Ring-Opening Metathesis Polymerization Catalyst That Exhibits Redox-Switchable Monomer Selectivities

2017 ◽  
Vol 23 (25) ◽  
pp. 5994-6000 ◽  
Author(s):  
Dominika N. Lastovickova ◽  
Huiling Shao ◽  
Gang Lu ◽  
Peng Liu ◽  
Christopher W. Bielawski
Keyword(s):  
Ring Opening ◽  
Ring Opening Metathesis Polymerization ◽  
Metathesis Polymerization ◽  
Polymerization Catalyst

A Hybrid Ring-Opening Metathesis Polymerization Catalyst Based on an Engineered Variant of the β-Barrel Protein FhuA

2013 ◽  
Vol 19 (41) ◽  
pp. 13865-13871 ◽  
Author(s):  
Freddi Philippart ◽  
Marcus Arlt ◽  
Steve Gotzen ◽  
Stefanie-Joana Tenne ◽  
Marco Bocola ◽  
...  
Keyword(s):  
Ring Opening ◽  
Ring Opening Metathesis Polymerization ◽  
Metathesis Polymerization ◽  
Polymerization Catalyst ◽  
Hybrid Ring

Mechanical Properties of Thermoplastic Composites via In Situ Polymerization from Cyclic Oligomers

2013 ◽  
Vol 750-752 ◽  
pp. 7-10
Author(s):  
Kou An Hao ◽  
Zhen Qing Wang ◽  
Li Min Zhou
Keyword(s):  
Mechanical Properties ◽  
In Situ Polymerization ◽  
High Viscosity ◽  
Thermoplastic Composites ◽  
Thermoplastic Matrix ◽  
Polymerization Catalyst ◽  
Short Beam ◽  
Beam Shear ◽  
Cyclic Oligomers

Fiber impregnation has been the main obstacle for thermoplastic matrix with high viscosity. This problem could be surmounted by adapting low viscous polymeric precursors Woven basalt fabric reinforced poly (butylenes terephthalate) composites were produced via in-situ polymerization at T=210°C. Before polymerization, catalyst was introduced to the reinforcement surface with different concentration. DSC is used to determine the polymerization and crystallization. SEM is used to detect whether the catalyst existed on surface. Both flexural and short-beam shear test are employed to study the corresponding mechanical properties.

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