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Double critical phenomena in (water plus polyacrylamides) solutions

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Double critical phenomena in (water plus polyacrylamides) solutions. / Rebelo, LPN; Visak, Zoren P.; de Sousa, HC et al.
In: Macromolecules, Vol. 35, No. 5, 26.02.2002, p. 1887-1895.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Rebelo, LPN, Visak, ZP, de Sousa, HC, Szydlowski, J, de Azevedo, RG, Ramos, AM, Najdanovic-Visak, V, da Ponte, MN & Klein, J 2002, 'Double critical phenomena in (water plus polyacrylamides) solutions', Macromolecules, vol. 35, no. 5, pp. 1887-1895. https://doi.org/10.1021/ma011533a

APA

Rebelo, LPN., Visak, Z. P., de Sousa, HC., Szydlowski, J., de Azevedo, RG., Ramos, A. M., Najdanovic-Visak, V., da Ponte, MN., & Klein, J. (2002). Double critical phenomena in (water plus polyacrylamides) solutions. Macromolecules, 35(5), 1887-1895. https://doi.org/10.1021/ma011533a

Vancouver

Rebelo LPN, Visak ZP, de Sousa HC, Szydlowski J, de Azevedo RG, Ramos AM et al. Double critical phenomena in (water plus polyacrylamides) solutions. Macromolecules. 2002 Feb 26;35(5):1887-1895. doi: 10.1021/ma011533a

Author

Rebelo, LPN ; Visak, Zoren P. ; de Sousa, HC et al. / Double critical phenomena in (water plus polyacrylamides) solutions. In: Macromolecules. 2002 ; Vol. 35, No. 5. pp. 1887-1895.

Bibtex

@article{8d32d1ad5c394274b7fadeab0021afae,
title = "Double critical phenomena in (water plus polyacrylamides) solutions",
abstract = "Aqueous solutions of a copolymer derivative of a polyacrylamide showed very interesting behavior, that in which the system evolves from one kind of double criticality (pressure-hypercritical point) to another (temperature-hypercritical point) as polymer molecular weight decreases. While in the neighboring region of the former point one expects a change from contraction to expansion upon mixing with increasing pressure; in the latter, mixing should be accompanied by a change in the sign of the excess enthalpy as temperature increases. L-L equilibria studies were performed in a wide range of (T, p) experimental conditions (300 ",
keywords = "PHASE-DIAGRAMS, AQUEOUS-SOLUTIONS, LIGHT-SCATTERING, BINARY POLYMER-SOLUTIONS, LIQUID-LIQUID EQUILIBRIA, BEHAVIOR, PRESSURE-DEPENDENCE, POLY(N-ISOPROPYLACRYLAMIDE), POLYSTYRENE-ACETONE, FLUID MIXTURES",
author = "LPN Rebelo and Visak, {Zoren P.} and {de Sousa}, HC and J Szydlowski and {de Azevedo}, RG and Ramos, {Anita M.} and Vesna Najdanovic-Visak and {da Ponte}, MN and J Klein",
year = "2002",
month = feb,
day = "26",
doi = "10.1021/ma011533a",
language = "English",
volume = "35",
pages = "1887--1895",
journal = "Macromolecules",
issn = "0024-9297",
publisher = "American Chemical Society",
number = "5",

}

RIS

TY - JOUR

T1 - Double critical phenomena in (water plus polyacrylamides) solutions

AU - Rebelo, LPN

AU - Visak, Zoren P.

AU - de Sousa, HC

AU - Szydlowski, J

AU - de Azevedo, RG

AU - Ramos, Anita M.

AU - Najdanovic-Visak, Vesna

AU - da Ponte, MN

AU - Klein, J

PY - 2002/2/26

Y1 - 2002/2/26

N2 - Aqueous solutions of a copolymer derivative of a polyacrylamide showed very interesting behavior, that in which the system evolves from one kind of double criticality (pressure-hypercritical point) to another (temperature-hypercritical point) as polymer molecular weight decreases. While in the neighboring region of the former point one expects a change from contraction to expansion upon mixing with increasing pressure; in the latter, mixing should be accompanied by a change in the sign of the excess enthalpy as temperature increases. L-L equilibria studies were performed in a wide range of (T, p) experimental conditions (300

AB - Aqueous solutions of a copolymer derivative of a polyacrylamide showed very interesting behavior, that in which the system evolves from one kind of double criticality (pressure-hypercritical point) to another (temperature-hypercritical point) as polymer molecular weight decreases. While in the neighboring region of the former point one expects a change from contraction to expansion upon mixing with increasing pressure; in the latter, mixing should be accompanied by a change in the sign of the excess enthalpy as temperature increases. L-L equilibria studies were performed in a wide range of (T, p) experimental conditions (300

KW - PHASE-DIAGRAMS

KW - AQUEOUS-SOLUTIONS

KW - LIGHT-SCATTERING

KW - BINARY POLYMER-SOLUTIONS

KW - LIQUID-LIQUID EQUILIBRIA

KW - BEHAVIOR

KW - PRESSURE-DEPENDENCE

KW - POLY(N-ISOPROPYLACRYLAMIDE)

KW - POLYSTYRENE-ACETONE

KW - FLUID MIXTURES

U2 - 10.1021/ma011533a

DO - 10.1021/ma011533a

M3 - Journal article

VL - 35

SP - 1887

EP - 1895

JO - Macromolecules

JF - Macromolecules

SN - 0024-9297

IS - 5

ER -