scholarly journals Polymerization of β-Cyanopropionaldehyde. VIII. Anionic Copolymerization with Dimethylketene

1970 ◽  
Vol 1 (2) ◽  
pp. 190-197 ◽  
Author(s):  
Kazuhiko Hashimoto ◽  
Hiroshi Sumitomo
Polymers ◽  
2021 ◽  
Vol 13 (5) ◽  
pp. 838
Author(s):  
David Hermann Lamparelli ◽  
Magdalena Maria Kleybolte ◽  
Malte Winnacker ◽  
Carmine Capacchione

Soluble heterocomplexes consisting of sodium hydride in combination with trialkylaluminum derivatives have been used as anionic initiating systems at 100 °C in toluene for convenient homo-, co- and ter-polymerization of myrcene with styrene and isoprene. In this way it has been possible to obtain elastomeric materials in a wide range of compositions with interesting thermal profiles and different polymeric architectures by simply modulating the alimentation feed and the (monomers)/(initiator systems) ratio. Especially, a complete study of the myrcene-styrene copolymers (PMS) was carried out, highlighting their tapered microstructures with high molecular weights (up to 159.8 KDa) and a single glass transition temperature. For PMS copolymer reactivity ratios, rmyr = 0.12 ± 0.003 and rsty = 3.18 ± 0.65 and rmyr = 0.10 ± 0.004 and rsty = 3.32 ± 0.68 were determined according to the Kelen–Tudos (KT) and extended Kelen–Tudos (exKT) methods, respectively. Finally, this study showed an easy accessible approach for the production of various elastomers by anionic copolymerization of renewable terpenes, such as myrcene, with commodities.


1990 ◽  
Vol 24 (1) ◽  
pp. 1-7 ◽  
Author(s):  
Manfred Arnold ◽  
Willy Frank ◽  
G�nther Reinhold

1993 ◽  
Vol 26 (24) ◽  
pp. 6686-6687 ◽  
Author(s):  
Toshikazu Takata ◽  
Keunwo Chung ◽  
Atsuhito Tadokoro ◽  
Takeshi Endo

1993 ◽  
Vol 29 (2-3) ◽  
pp. 281-286 ◽  
Author(s):  
Stewart Dickson ◽  
Ga-Er Yu ◽  
Frank Heatley ◽  
Colin Booth

2018 ◽  
Vol 140 (41) ◽  
pp. 13407-13412 ◽  
Author(s):  
Tassilo Gleede ◽  
Elisabeth Rieger ◽  
Jan Blankenburg ◽  
Katja Klein ◽  
Frederik R. Wurm

Author(s):  
I.-C. WANG ◽  
Y. MOHAJER ◽  
T. C. WARD ◽  
G. L. WILKES ◽  
JAMES E. McGRATH

2019 ◽  
Vol 8 (12) ◽  
pp. 1594-1598 ◽  
Author(s):  
Mingchen Jia ◽  
Nikos Hadjichristidis ◽  
Yves Gnanou ◽  
Xiaoshuang Feng

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