TRACKER H High Temperature and High Pressure Rheometer (Interface Expansion Rheology)

TRACKER H High Temperature and High Pressure Rheometer (Interface Expansion Rheology)

TRACKER H High Temperature and High Pressure Rheometer (Interface Expansion Rheology)It is a high-temperature and high-pressure interface rheometer equipped with a movable pressure chamber, which can perform interface rheological measurement and surface/interface tension measurement in a testing environment with a maximum pressure of 200 bar and a maximum temperature of 200 ° C; And perform contact angle measurement in a testing environment with a maximum pressure of 100 bar and a maximum temperature of 200 ° C.

TRACKER H can be used to understand the characteristics of surfactants, polymers, proteins, and micro nano particles at the interface; It is a physical property testing instrument suitable for the research of viscoelasticity of facial mask. In addition, it can also study adsorption desorption phenomena and possible interactions that may occur at the interface.

1、 Interface characterization technology

||Interface expansion viscoelastic modulus

Viscoelastic calculations can be performed during the measurement of tension.

E = d/(dA/A)

The interface deformation changes with the change of interface area A (compression&expansion). The response of the interface to this deformation is manifested as surface tensionThe change.

The viscoelastic modulus can be defined as the variation of surface tension with surface area deformation.

||Surface tension and contact angle

TRACKER uses image analysis methods to measure surface or interfacial tension.

The software uses algorithms to analyze droplet contours and fits a model based on the Young Laplace equation to determine surface tension, interfacial tension, or contact angle.

Two configurations: downward drip or upward drip

2、 High temperature and high pressure module: Conduct tests under different types of gas pressure environments within the high temperature and high pressure chamber.

Technical features:

Maximum operating temperature: 200 ℃
Temperature control method: electric heating

Maximum working pressure: 200bar

Capacity of the cavity: approximately 450ml

3、 Data&Testing:
Interface rheological viscoelastic modulus
Surface tension (gas/liquid)
• Interface tension (liquid/liquid)
Contact angle (liquid/solid)
• Forward and backward angles
• Dynamic contact angle
• Surfactant adsorption
• Rigidity coefficient
• Temperature/pressure

4、 Main applications:
• Stability prediction of lotion and foam
• Continuous monitoring of the adsorption of the interfacial facial mask
• Interface testing of crude oil in supercritical carbon dioxide environment
• Interface activity of asphaltene at oil-water interface
• Polymer melting
Wettability of reservoir rocks in harsh environments
Research on Interface Properties in Methane Environment
• Tension testing of high viscosity samples

5、 Technical parameters:

•Test method: Fully automatic hanging drop method

•Experimental temperature range: Room temperature -200 ° C

•Experimental pressure range: atmospheric pressure -200 bar

•Extended oscillation frequency range: 0.001-2hz

•Sample pool L/w/H (mm): 30x30x70

•Chemical compatibility: The pressure chamber is made of alloy material; Select based on the different chemical properties of the sample

•Instrument size L/w/H (cm): 79x57x77

•Weight (whole machine: ≈ 35kg)