Temperature-Induced Phase Separation and Hydration in Aqueous Polymer Solutions Studied by NMR and IR Spectroscopy: Comparison of Poly(N-vinylcaprolactam) and Acrylamide-Based Polymers

2014 ◽  
Vol 336 (1) ◽  
pp. 39-46 ◽  
Author(s):  
Jiří Spěváček ◽  
Jiří Dybal
Keyword(s):  
Phase Separation ◽  
Ir Spectroscopy ◽  
Polymer Solutions ◽  
Aqueous Polymer

Shear-Induced Phase Separation in Aqueous Polymer Solutions:  Temperature-Sensitive Microgels and Linear Polymer Chains

2003 ◽  
Vol 36 (23) ◽  
pp. 8811-8818 ◽  
Author(s):  
Markus Stieger ◽  
Walter Richtering
Keyword(s):  
Phase Separation ◽  
Polymer Solutions ◽  
Polymer Chains ◽  
Linear Polymer ◽  
Temperature Sensitive ◽  
Aqueous Polymer

NMR Study on Polymer-Solvent Interactions during Temperature-Induced Phase Separation in Aqueous Polymer Solutions

2007 ◽  
Vol 251 (1) ◽  
pp. 72-80 ◽  
Author(s):  
Jiří Spěváček ◽  
Lenka Hanyková
Keyword(s):  
Phase Separation ◽  
Polymer Solutions ◽  
Solvent Interactions ◽  
Aqueous Polymer ◽  
Nmr Study ◽  
Polymer Solvent

Novel porphyrin-labelled poly(N-isopropylacrylamides): syntheses from bromoalkyl-containing prepolymers and physicochemical properties

2000 ◽  
Vol 04 (06) ◽  
pp. 579-587 ◽  
Author(s):  
YURI S. AVLASEVICH ◽  
TIMOUR A. CHEVTCHOUK ◽  
VALERY N. KNYUKSHTO ◽  
OLEG G. KULINKOVICH ◽  
KONSTANTIN N. SOLOVYOV
Keyword(s):  
Phase Transition ◽  
Phase Separation ◽  
Physicochemical Properties ◽  
Absorption Spectra ◽  
Polymer Solutions ◽  
Soret Band ◽  
Water Soluble ◽  
Absorption Bands ◽  
Aqueous Polymer ◽  
Peak Intensity

Novel water-soluble tetraarylporphyrin-labelled polymers have been synthesized by the reaction of bromoalkyl-containing poly(N-isopropylacrylamides) with 5-(4-pyridyl)-10,15,20-tri(4-methoxyphenyl) porphyrin. Corresponding Zn -porphyrin-containing polymers have also been prepared. Phase transition diagrams show that aqueous polymer solutions exhibit phase separation upon heating. Absorption spectra of the porphyrin-labelled polymers have been recorded in water and organic solvents. It is found that the absorption bands in aqueous polymer solutions are broadened and shifted bathochromically, the peak intensity of the Soret band in the polymer spectra being strongly lowered in water. Fluorescence properties of the polymers are briefly reported.

Effect of time on the hydration and temperature-induced phase separation in aqueous polymer solutions. 1H NMR study

Polymer ◽  
2006 ◽  
Vol 47 (21) ◽  
pp. 7329-7334 ◽  
Author(s):  
Larisa Starovoytova ◽  
Jiří Spěváček
Keyword(s):  
Phase Separation ◽  
1H Nmr ◽  
Polymer Solutions ◽  
Aqueous Polymer ◽  
Nmr Study

Phase Separation in Aqueous Polymer Solutions as Studied by NMR Methods

2005 ◽  
Vol 222 (1) ◽  
pp. 1-14 ◽  
Author(s):  
Ji?� Sp?v�?ek
Keyword(s):  
Phase Separation ◽  
Polymer Solutions ◽  
Aqueous Polymer ◽  
Nmr Methods

scholarly journals Viscoelastic phase separation model for ternary polymer solutions

2021 ◽  
Vol 154 (10) ◽  
pp. 104903
Author(s):  
Kenji Yoshimoto ◽  
Takashi Taniguchi
Keyword(s):  
Phase Separation ◽  
Polymer Solutions ◽  
Ternary Polymer ◽  
Separation Model

Influence of the temperature on the rheological properties of bentonite suspensions in aqueous polymer solutions

2016 ◽  
Vol 123 ◽  
pp. 92-98 ◽  
Author(s):  
K. Ben Azouz ◽  
K. Bekkour ◽  
D. Dupuis
Keyword(s):  
Rheological Properties ◽  
Polymer Solutions ◽  
Aqueous Polymer

On the soil water characteristic curves of poorly graded granular materials in aqueous polymer solutions

2017 ◽  
Vol 13 (1) ◽  
pp. 103-116 ◽  
Author(s):  
Junnan Cao ◽  
Jongwon Jung ◽  
Xiaoyu Song ◽  
Bate Bate
Keyword(s):  
Soil Water ◽  
Granular Materials ◽  
Polymer Solutions ◽  
Characteristic Curves ◽  
Aqueous Polymer ◽  
Soil Water Characteristic Curves
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