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Home > News > Auxiliary

Promix introduces inline viscometer for extrusion

Source：Adsale Plastics Network Date ：2024-07-16 Editor ：RC
Copyright： This article was originally written/edited by Adsale Plastics Network (AdsaleCPRJ.com), republishing and excerpting are not allowed without permission. For any copyright infringement, we will pursue legal liability in accordance with the law.

Promix Solutions introduces inline viscometer Visco-P to help stabilize and monitor the extrusion process. The tool can homogenize the polymer melt and measure the actual viscosity of the entire melt under process conditions.


Promix Solutions_Visco-P_480.JPG

The inline viscometer Visco-P.

 

Visco P is an ideal addition to quality control before and after production. The improved mixing of the components with simultaneous monitoring of the viscosity facilitates the processing of recycled material or viscosity-influencing additives such as chain extenders for PET.

 

The tool is compatible with all common extruder designs and can be retrofitted to existing systems. It can be used for almost all polymers and is very easy to operate.

 

Homogenize the melt

 

The Promix measuring modules homogenize the melt including the additives and colors added. Mixtures of virgin material, B-goods, recyclates and regranulates can also be included.

 

Another side effect is the homogenization of the temperature across the pipe cross-section. These result in a more uniform end product and can lead to savings in color or additive dosing.

 

Online viscosity measurement

 

Real viscosity is determined using known process parameters such as material type, throughput, melt temperature and the pressure loss across the mixing module and output in real time as a graph and numerical value.

 

In addition to the viscosity, the current melt temperature and the shear rate are displayed graphically. All other important parameters are displayed and saved as numerical values.

 

The conversion from real viscosity to solution viscosity (IV) for PET is also included, as well as the conversion of viscosity to MFR for polyolefins and similar materials, allowing easier comparison of displayed values with the specifications.

 

User-selectable upper and lower limits for the viscosity trigger an alarm and show the current deviations from the target value. Subsequent adjustments and their effects on the process and thus the viscosity are displayed directly on the Visco-P.

 

Data for evaluations

 

As all relevant data is stored for 12 months, corresponding evaluations can also be read out and assessed after the end of production. There are three ways to do this with Visco-P.

 

The first is the data can be sent directly to another control unit via an external interface (FieldBus, ProfiNet, etc.) and processed there. Another is the data can be read out via TeamViewer or a USB stick, saved and evaluated by an external computer.

 

The third option is integrated in the Visco-P and creates a report on the viscosity with all relevant framework conditions and statistical evaluation with maximum value, minimum value, average value, deviation, Cp and Cpk.


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Source：Adsale Plastics Network Date ：2024-07-16 Editor ：RC
Copyright： This article was originally written/edited by Adsale Plastics Network (AdsaleCPRJ.com), republishing and excerpting are not allowed without permission. For any copyright infringement, we will pursue legal liability in accordance with the law.

Promix Solutions introduces inline viscometer Visco-P to help stabilize and monitor the extrusion process. The tool can homogenize the polymer melt and measure the actual viscosity of the entire melt under process conditions.


Promix Solutions_Visco-P_480.JPG

The inline viscometer Visco-P.

 

Visco P is an ideal addition to quality control before and after production. The improved mixing of the components with simultaneous monitoring of the viscosity facilitates the processing of recycled material or viscosity-influencing additives such as chain extenders for PET.

 

The tool is compatible with all common extruder designs and can be retrofitted to existing systems. It can be used for almost all polymers and is very easy to operate.

 

Homogenize the melt

 

The Promix measuring modules homogenize the melt including the additives and colors added. Mixtures of virgin material, B-goods, recyclates and regranulates can also be included.

 

Another side effect is the homogenization of the temperature across the pipe cross-section. These result in a more uniform end product and can lead to savings in color or additive dosing.

 

Online viscosity measurement

 

Real viscosity is determined using known process parameters such as material type, throughput, melt temperature and the pressure loss across the mixing module and output in real time as a graph and numerical value.

 

In addition to the viscosity, the current melt temperature and the shear rate are displayed graphically. All other important parameters are displayed and saved as numerical values.

 

The conversion from real viscosity to solution viscosity (IV) for PET is also included, as well as the conversion of viscosity to MFR for polyolefins and similar materials, allowing easier comparison of displayed values with the specifications.

 

User-selectable upper and lower limits for the viscosity trigger an alarm and show the current deviations from the target value. Subsequent adjustments and their effects on the process and thus the viscosity are displayed directly on the Visco-P.

 

Data for evaluations

 

As all relevant data is stored for 12 months, corresponding evaluations can also be read out and assessed after the end of production. There are three ways to do this with Visco-P.

 

The first is the data can be sent directly to another control unit via an external interface (FieldBus, ProfiNet, etc.) and processed there. Another is the data can be read out via TeamViewer or a USB stick, saved and evaluated by an external computer.

 

The third option is integrated in the Visco-P and creates a report on the viscosity with all relevant framework conditions and statistical evaluation with maximum value, minimum value, average value, deviation, Cp and Cpk.


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Promix introduces inline viscometer for extrusion

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