Kinetic and molecular weight control for methyl methacrylate semi-batch polymerization. I. Modelling

2006 ◽  
Vol 100 (4) ◽  
pp. 2838-2846 ◽  
Author(s):  
Jian-Yi Wu ◽  
Guo-Rong Shan
Keyword(s):  
Molecular Weight ◽  
Methyl Methacrylate ◽  
Weight Control ◽  
Molecular Weight Control

Enzyme-mediated radical initiation of acrylamide polymerization: main characteristics of molecular weight control

Polymer ◽  
2001 ◽  
Vol 42 (13) ◽  
pp. 5515-5521 ◽  
Author(s):  
Alain Durand ◽  
Thierry Lalot ◽  
Maryvonne Brigodiot ◽  
Ernest Maréchal
Keyword(s):  
Molecular Weight ◽  
Weight Control ◽  
Radical Initiation ◽  
Molecular Weight Control ◽  
Acrylamide Polymerization

Thermal Reorganization and Molecular Weight Control of Dynamic Covalent Polymers Containing Alkoxyamines in Their Main Chains

2007 ◽  
Vol 40 (5) ◽  
pp. 1429-1434 ◽  
Author(s):  
Hideyuki Otsuka ◽  
Koichiro Aotani ◽  
Yuji Higaki ◽  
Yoshifumi Amamoto ◽  
Atsushi Takahara
Keyword(s):  
Molecular Weight ◽  
Weight Control ◽  
Molecular Weight Control

New Alfin Rubbers

1970 ◽  
Vol 43 (2) ◽  
pp. 333-355 ◽  
Author(s):  
R. G. Newberg ◽  
H. Greenberg ◽  
T. Sato
Keyword(s):  
Molecular Weight ◽  
Laboratory Testing ◽  
Weight Control ◽  
Straight Chain ◽  
Cyclic Hydrocarbons ◽  
Molecular Weight Control ◽  
Heat Build Up ◽  
Polymerization Method ◽  
Butadiene Styrene

Abstract Molecular weight control for alfin catalyzed 1,3-diene polymers by 1,4-diene straight chain or cyclic hydrocarbons (and their derivatives) has been demonstrated. The microstructure of these moderated polymers is identical to the polymers obtained without molecular weight control. From the wide series of copolymers preparable with this improved polymerization method four were chosen for their evaluation after laboratory testing for processability, physicals, and economics. Copolymers of butadiene—isoprene (90/10 and 97/3) and butadiene—styrene (85/15 and 95/5) virgin or oil extended have been shown to be economically attractive and to give superior wear, traction, and adequate heat build up.

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