Damping of acoustic waves in dilute polymer solutions

Y. Tsori; P. G. De Gennes

doi:10.1021/ma048486h

Damping of acoustic waves in dilute polymer solutions

Y. Tsori, P. G. De Gennes

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

2 Scopus citations

Abstract

The longitudinal viscosity which may be measured via attenuation of ultrasound, is discussed. It was observed that for a compression wave in a liquid, individual molecules can move parallel or perpendicular to the direction of wave propagation. The existence of these two modes means that energy dissipation depends on two independent quantities; hence there are two fundamental viscosities. The pressure dependence of x may also be of use in block copolymer melts such as lamellar phase.

Original language	English
Pages (from-to)	8195-8197
Number of pages	3
Journal	Macromolecules
Volume	37
Issue number	22
DOIs	https://doi.org/10.1021/ma048486h
State	Published - 2 Nov 2004
Externally published	Yes

ASJC Scopus subject areas

Organic Chemistry
Polymers and Plastics
Inorganic Chemistry
Materials Chemistry

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10.1021/ma048486h

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abstract = "The longitudinal viscosity which may be measured via attenuation of ultrasound, is discussed. It was observed that for a compression wave in a liquid, individual molecules can move parallel or perpendicular to the direction of wave propagation. The existence of these two modes means that energy dissipation depends on two independent quantities; hence there are two fundamental viscosities. The pressure dependence of x may also be of use in block copolymer melts such as lamellar phase.",

author = "Y. Tsori and {De Gennes}, {P. G.}",

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AU - De Gennes, P. G.

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N2 - The longitudinal viscosity which may be measured via attenuation of ultrasound, is discussed. It was observed that for a compression wave in a liquid, individual molecules can move parallel or perpendicular to the direction of wave propagation. The existence of these two modes means that energy dissipation depends on two independent quantities; hence there are two fundamental viscosities. The pressure dependence of x may also be of use in block copolymer melts such as lamellar phase.

AB - The longitudinal viscosity which may be measured via attenuation of ultrasound, is discussed. It was observed that for a compression wave in a liquid, individual molecules can move parallel or perpendicular to the direction of wave propagation. The existence of these two modes means that energy dissipation depends on two independent quantities; hence there are two fundamental viscosities. The pressure dependence of x may also be of use in block copolymer melts such as lamellar phase.

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U2 - 10.1021/ma048486h

DO - 10.1021/ma048486h

M3 - Article

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VL - 37

SP - 8195

EP - 8197

JO - Macromolecules

JF - Macromolecules

IS - 22

ER -

Damping of acoustic waves in dilute polymer solutions

Abstract

ASJC Scopus subject areas

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