Kinetic Treatment of Slow Initiation in Living Carbocationic Polymerization and Investigation of Benzyl Halides as Initiators for the Polymerization of Isobutylene

1998 ◽  
Vol 31 (21) ◽  
pp. 7199-7202 ◽  
Author(s):  
Daniela Held ◽  
Béla Iván ◽  
Axel H. E. Müller
Keyword(s):  
Carbocationic Polymerization ◽  
Living Carbocationic Polymerization ◽  
Benzyl Halides ◽  
Kinetic Treatment

Living carbocationic polymerization of p-halostyrenes

1990 ◽  
Vol 23 (3) ◽  
pp. 259-263 ◽  
Author(s):  
J. P. Kennedy ◽  
Joseph Kurian
Keyword(s):  
Carbocationic Polymerization ◽  
Living Carbocationic Polymerization

Mechanical and Viscoelastic Characterization of Hyperbranched Polyisobutylenes

2002 ◽  
Vol 75 (5) ◽  
pp. 853-864 ◽  
Author(s):  
Judit E. Puskas ◽  
Christophe Paulo ◽  
Volker Altstädt
Keyword(s):  
Molecular Weight ◽  
Butyl Rubber ◽  
Structure Property ◽  
Carbocationic Polymerization ◽  
Molecular Weights ◽  
Structure Property Relationships ◽  
Molecular Weight Distributions ◽  
Weight Distributions ◽  
Living Carbocationic Polymerization

Abstract Structure-property relationships were investigated in hyperbranched polyisobutylenes, in comparison with commercial linear butyl rubber. The gel-free, soluble hyperbranched polyisobutylenes, synthesized by living carbocationic polymerization, had molecular weights, Mw≈400,000 to 1,000,000 g/mol, molecular weight distributions, MWD ≈1.2 to 2.6, and branching frequencies, BR ≈ 4 to 60. The mechanical and viscoelastic characterization of these polymers revealed interesting properties, including the characteristics of crosslinked rubbers.

Synthetic applications of non-polymerizable monomers in living carbocationic polymerization

1995 ◽  
Vol 95 (1) ◽  
pp. 57-69 ◽  
Author(s):  
Zs. Fodor ◽  
S. Hadjikyriacou ◽  
D. Li ◽  
A. Takacs ◽  
R. Faust
Keyword(s):  
Carbocationic Polymerization ◽  
Living Carbocationic Polymerization
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