Inhomogeneity and Gels Analyzer System
Morphious G-CF

MicrOptik Provides a complete gel and inhomogeneity analyzer system with unique features:
- Distinguishing harmful from non-harmful gels!
- Most cost efficient product in the market!
- The smallest footprint in the market!
- Lowest power consumption !
- For Bench-top or At-line use!
The system consists of a mini-extruder, cast film die, chillroll with air knife, Gel counter, constant tension haul off and winding unit.
In raw plastic resin production, inhomogeneities (like dust, cotton fibers, other polymers, cross linked gels, reactor gels or un melt gels) can seriously effect the processing of the material. Especially when it comes to demanding converter pplications. The more demanding the processing, i.e. as required in the lamination industry, the more negatively influential these inhomogeneities are. It is therefore important for a raw resin producers to control the quality of their product. To identify these inhomogeneities, operation can not rely on manual measurements in the lab because the response time is too slow. Instead a real time analysis has to be done in the finishing section of the factory. MicrOptik offers a platform to carry out these inhomogeneity (gel) analysis in dedicated analyzer houses or in the laboratory to facilitate fast response.

Principles of mearuring real time gel anaysis:
Cast film extruder and die
In order to measure gels, first a film has to be produced. This is done by a cast- or blown film extruder. Producing a film by a cast film extruder is more convenient.
Chill rolls and air knife
After producing a film through a cast film line the film has to be annealed through a pair of chill rolls. The temperature of the chill rolls are important in obtaining certain features of the film. A so called air knife is used to help in the annealing process of the film.
Gel-counter
Once a film is appropriately annealed it has to be guided through a plane where the film is sandwiched between a LED light bar and a camera system. This part is called the gel-analyzer part. The gel analyzer is capturing all the inhomogeneities (gels) and categorizes the gels in different size classes and types. The classification is custom specific. Typical size classes values range from 30-100 µm, 100- 250 µm, 250-600 µ >600µm. There are different ways to express a gel number. More and more popular is to use the so called Gel index. The gel index is a weighed average of size (diameter) versus the amount. The way gel counting is to be reported depends on the specific requirements of the client. Mostly referred to as small medium large and very large. The characteristics such as harmful and non harmful is also reported. Nuances if this criteria depends on the production processes.
Haul off system with constant tension
The Haul off system is needed to haul off the film in such a way that there are no abnormalities in the guidance of the film through the gel counter. When a haul off roll gets larger the force needed to pull a film is less, so to avoid differences in tension technology is needed to allow a constant tension at all time.
Nip roll and removal of the film
After a period a certain amount of film has been winded on the final storage roll. This roll has to be removed from the Haul off unit. A simple operation allows to remove the roll without any problem while the tension of the film in the haul of is still maintained due to the unique nip roll.

