scholarly journals Preparation of multiblock copolymers via step-wise addition of l-lactide and trimethylene carbonate

2018 ◽  
Vol 9 (8) ◽  
pp. 2168-2178 ◽  
Author(s):  
Mark Abubekerov ◽  
Junnian Wei ◽  
Kevin R. Swartz ◽  
Zhixin Xie ◽  
Qibing Pei ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Zinc Complex ◽  
Multiblock Copolymers ◽  
Thermal And Mechanical Properties ◽  
Trimethylene Carbonate ◽  
Pentablock Copolymers

The synthesis of up to pentablock copolymers from various combinations of l-lactide and trimethylene carbonate was accomplished using a dinuclear zinc complex, and the physical, thermal, and mechanical properties of the resulting copolymers evaluated.

Effect of Meta- and Para-Substitution of the Aromatic Diamines on the Properties of Poly(Amidoimidourethane)

2016 ◽  
Vol 721 ◽  
pp. 23-27 ◽  
Author(s):  
Ilya Kobykhno ◽  
Oleg Tolochko ◽  
Ekaterina Vasilyeva ◽  
Andrei Didenko ◽  
Danila Kuznetcov ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Thermal Analysis ◽  
Differential Scanning Calorimetry ◽  
Thermogravimetric Analysis ◽  
Polymer Structure ◽  
Multiblock Copolymers ◽  
Thermal And Mechanical Properties ◽  
Amino Groups ◽  
Scanning Calorimetry ◽  
Aromatic Diamines

The paper experimentally studies the effect of meta and para- substitution of the amino groups in the diamine used in the synthesis of multiblock copolymers. The way for synthesis of new multiblock copolymers with the possibility of replacing the diamine in the polymer structure was shown. Thermal and mechanical properties of synthesized copolymers had been characterized by means of differential scanning calorimetry, thermogravimetric analysis, dynamic mechanical thermal analysis and by nanoindentation and tensile test.

Synthesis of trimethylene carbonate/ϵ -caprolactone copolymers initiated with zinc alkoxide: influence of copolymer chain microstructure on thermal and mechanical properties

2017 ◽  
Vol 66 (9) ◽  
pp. 1259-1268 ◽  
Author(s):  
Malgorzata Pastusiak ◽  
Piotr Dobrzynski ◽  
Janusz Kasperczyk ◽  
Michal Sobota ◽  
Bozena Kaczmarczyk ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Thermal And Mechanical Properties ◽  
Trimethylene Carbonate ◽  
Copolymer Chain
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