Molar-mass dependence of the lamellar thickness in symmetric diblock copolymers

1994 ◽  
Vol 16 (7) ◽  
pp. 835-842 ◽  
Author(s):  
C. M. Papadakis ◽  
K. Almdal ◽  
D. Posselt
Keyword(s):  
Diblock Copolymers ◽  
Molar Mass ◽  
Lamellar Thickness ◽  
Mass Dependence

Ethyl Methacrylate Diblock Copolymers as Polymeric Surfactants: Effect of Molar Mass and Composition

2021 ◽  
pp. 110537
Author(s):  
Birsen Somuncuoğlu ◽  
Yu Lin Lee ◽  
Anna P. Constantinou ◽  
David L. M. Poussin ◽  
Theoni K. Georgiou
Keyword(s):  
Diblock Copolymers ◽  
Molar Mass ◽  
Polymeric Surfactants ◽  
Ethyl Methacrylate

Monomodal Ultrahigh-Molar-Mass Polycarbonate Homopolymers and Diblock Copolymers by Anionic Copolymerization of Epoxides with CO2

2019 ◽  
Vol 8 (12) ◽  
pp. 1594-1598 ◽  
Author(s):  
Mingchen Jia ◽  
Nikos Hadjichristidis ◽  
Yves Gnanou ◽  
Xiaoshuang Feng
Keyword(s):  
Diblock Copolymers ◽  
Molar Mass ◽  
Anionic Copolymerization

The molar mass dependence of latex particle deformation

2000 ◽  
Vol 151 (1) ◽  
pp. 459-464
Author(s):  
J.A.M. De Brouwer ◽  
J.J.G.S. Van Es ◽  
A.L. German
Keyword(s):  
Latex Particle ◽  
Molar Mass ◽  
Mass Dependence ◽  
Particle Deformation

scholarly journals Cobalt-Mediated Radical Copolymerization of Vinylidene Fluoride and 2,3,3,3-Trifluoroprop-1-ene

Polymers ◽  
2021 ◽  
Vol 13 (16) ◽  
pp. 2676
Author(s):  
Panagiotis G. Falireas ◽  
Bruno Ameduri
Keyword(s):  
Diblock Copolymers ◽  
Molar Mass ◽  
Vinylidene Fluoride ◽  
Monomer Conversion ◽  
Radical Copolymerization ◽  
Reactivity Ratios ◽  
Mean Square ◽  
Kinetics Studies ◽  
Lower Reactivity ◽  
Fitting Model

New copolymers based on vinylidene fluoride (VDF) and 2,3,3,3-tetrafluoroprop-1-ene (1234yf) were synthesized by organometallic-mediated radical copolymerization (OMRcP) using the combination of bis(tert-butylcyclohexyl) peroxydicarbonate initiator and bis(acetylacetonato)cobalt(II), (Co(acac)2) as a controlling agent. Kinetics studies of the copolymerization of the fluoroalkenes copolymers were monitored by GPC and 19F NMR with molar masses up to 12,200 g/mol and dispersities (Đ) ranging from 1.33 to 1.47. Such an OMRcP behaves as a controlled copolymerization, evidenced by the molar mass of the resulting copolymer-monomer conversion linear relationship. The reactivity ratios, ri, of both comonomers were determined by using the Fineman-Ross and Kelen-Tüdos fitting model leading to rVDF = 0.384 ± 0.013 and r1234yf = 2.147 ± 0.129 at 60 °C, showing that a lower reactivity of VDF integrated in the copolymer to a greater extent leads to the production of gradient or pseudo-diblock copolymers. In addition, the Q (0.03) and e (0.06 and 0.94) parameters were assessed, as well as the dyad statistic distributions and mean square sequence lengths of PVDF and P1234yf.

Molar mass dependence of structure of xanthan thermally denatured and renatured in dilute solution

2018 ◽  
Vol 50 (11) ◽  
pp. 1043-1049 ◽  
Author(s):  
Yasuhiro Matsuda ◽  
Kazuya Okumura ◽  
Shigeru Tasaka
Keyword(s):  
Molar Mass ◽  
Mass Dependence ◽  
Dilute Solution
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