Viscometric behaviour of PMMA(3)/THF(1)water(2) system

I. Katime; L. C. Cesteros; J. R. Ochoa

doi:10.1007/BF00255805

Viscometric behaviour of PMMA(3)/THF(1)water(2) system

I. Katime^*
, L. C. Cesteros
, J. R. Ochoa

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

We have studied the PMMA viscometric behaviour in the polar binary mixture THF(1)/water(2). The results obtained point out that this mixture presents a synergistic effect in the composition interval 0 < u₂<12% (w/w) water. We have found also a sharp variation of the PMMA unperturbed dimensions, k_Θ, which can be due to a conformational change. Starting from the evaluation of the intermolecular interaction parameter, B, and the Mark-Houwink-Sakurada exponent, the theta composition of the system has been determined.

Original language	English
Pages (from-to)	447-453
Number of pages	7
Journal	Polymer Bulletin
Volume	6
Issue number	8-9
DOIs	https://doi.org/10.1007/BF00255805
Publication status	Published - Feb 1982
Externally published	Yes

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abstract = "We have studied the PMMA viscometric behaviour in the polar binary mixture THF(1)/water(2). The results obtained point out that this mixture presents a synergistic effect in the composition interval 0 < u2<12\% (w/w) water. We have found also a sharp variation of the PMMA unperturbed dimensions, kΘ, which can be due to a conformational change. Starting from the evaluation of the intermolecular interaction parameter, B, and the Mark-Houwink-Sakurada exponent, the theta composition of the system has been determined.",

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AU - Cesteros, L. C.

AU - Ochoa, J. R.

PY - 1982/2

Y1 - 1982/2

N2 - We have studied the PMMA viscometric behaviour in the polar binary mixture THF(1)/water(2). The results obtained point out that this mixture presents a synergistic effect in the composition interval 0 < u2<12% (w/w) water. We have found also a sharp variation of the PMMA unperturbed dimensions, kΘ, which can be due to a conformational change. Starting from the evaluation of the intermolecular interaction parameter, B, and the Mark-Houwink-Sakurada exponent, the theta composition of the system has been determined.

AB - We have studied the PMMA viscometric behaviour in the polar binary mixture THF(1)/water(2). The results obtained point out that this mixture presents a synergistic effect in the composition interval 0 < u2<12% (w/w) water. We have found also a sharp variation of the PMMA unperturbed dimensions, kΘ, which can be due to a conformational change. Starting from the evaluation of the intermolecular interaction parameter, B, and the Mark-Houwink-Sakurada exponent, the theta composition of the system has been determined.

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DO - 10.1007/BF00255805

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SP - 447

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JO - Polymer Bulletin

JF - Polymer Bulletin

IS - 8-9

ER -

Viscometric behaviour of PMMA(3)/THF(1)water(2) system

Abstract

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