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Related Concept Videos

Classification and Mechanical Properties of Synthetic Polymers01:28

Classification and Mechanical Properties of Synthetic Polymers

Synthetic polymers are classified as elastomers, fibers, or plastics based on their crystallinity. Crystallinity, the degree of long-range order in the solid state, influences the mechanical properties (stretching or contracting) of elastomers. Elastomers are flexible polymers that can expand or contract easily upon the application of an external force. They have numerous crosslinks that pull them back into their original shape when stress is removed. Silicones, for instance, are highly elastic...

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Related Experiment Video

Updated: Jun 23, 2026

A Stable Phantom Material for Optical and Acoustic Imaging
04:54

A Stable Phantom Material for Optical and Acoustic Imaging

Published on: June 16, 2023

Copolymer-in-oil phantom materials for elastography.

J Oudry1, C Bastard, V Miette

  • 1Mechanical Institute of Fluids and Solids, Strasbourg, France. jennifer.oudry@echosens.com

Ultrasound in Medicine & Biology
|May 12, 2009
PubMed
Summary
This summary is machine-generated.

A new copolymer-in-oil phantom material offers stable, tunable mechanical and acoustic properties for ultrasound elastography. This material mimics soft tissues, making it valuable for elasticity imaging and device characterization.

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Manufacturing Abdominal Aorta Hydrogel Tissue-Mimicking Phantoms for Ultrasound Elastography Validation

Published on: September 19, 2018

Area of Science:

  • Biomedical Engineering
  • Acoustics
  • Materials Science

Background:

  • Tissue phantoms are crucial for ultrasound elastography research and device calibration.
  • Existing phantom materials often lack a wide stiffness range, long-term stability, or rupture resistance.

Purpose of the Study:

  • To develop and evaluate a novel copolymer-in-oil phantom material for elastography.
  • To assess the mechanical, acoustic, and stability properties of the new phantom material.

Main Methods:

  • Phantoms were formulated using copolymer, mineral oil, and acoustic scattering additives.
  • Mechanical properties were measured using a mechanical tester and ultrasound elastography.
  • Acoustic properties (attenuation, speed of sound) were determined via through-transmission methods.

Main Results:

  • Copolymer-in-oil phantoms demonstrated excellent time stability.
  • Mechanical properties (Young's modulus) ranged from 2.2-150 kPa, mimicking soft tissues.
  • Acoustic properties showed an attenuation coefficient of 0.4-4.0 dB.cm⁻¹ and ultrasound speed of 1420-1464 m/s.

Conclusions:

  • Copolymer-in-oil phantoms exhibit desirable mechanical and acoustic characteristics for elastography.
  • The material's stability and tunable properties make it a promising alternative for tissue mimicking applications.