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abbeo Materials

Application method polymer



Plastics are made in many ways. Granules are usually used, which are melted and then poured into a certain shape. Some plastics are also suitable for spraying or foaming and thus get a large volume with air pockets, which on the one hand can have a heat-insulating effect but also a suction effect (in the case of a sponge). 

masterbatches

If additional chemicals and products are incorporated into the granules of the respective plastic that influence or change the properties of the material (such as abbeo hygiene protection), this is referred to as a masterbatch. 
The chemicals added are usually overdosed as they are calculated on the weight of the finished product. Based on the amount of granules resp. Masterbatch, so the properties of the end article and its chemical content are controlled. 

The masterbatch is then melted and processed accordingly (see below). 

Masterbatche

Extrusion process (injection molding)

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During extrusion, the unprocessed plastic first passes through a funnel into a cylinder in a system called an extruder. There the material is melted, homogenized and compressed. After plasticizing, a screw presses the plastic through a nozzle.  Pipes, sheets, profiles and textile fibers as well as masterbatches are produced by extrusion.

foaming of plastics

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A foam is a plastic whose structure is formed by many cells (enclosed cavities, pores). Polyethylene, polystyrene, polyvinyl chloride, polycondensates (phenolic, urea, epoxy, polyester resins) and polyadducts (polyurethanes) are suitable. 
 

  • Chemical foaming processes: Polymerization releases gases that foam the material. E.g. PU foams are formed.

  • Physical blowing processes: First, low-boiling liquids are added to a reaction mixture. These evaporate in the course of the polymerization and form typical gas bubbles. Foam polystyrene, for example, is produced.

  • Mechanical blowing process: A plastic melt is stirred while gas is blown into the melt.

Foamed plastics are used, for example, to make cleaning sponges, mattress fillings, foam rubber, etc. 

If the abbeo hygiene protection products are incorporated into the manufacturing process of the plastic, the item that is ultimately manufactured is protected against bacteria, odors and fungal growth. 

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