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Recycling of Polystyrene

The use of recycled Polystyrene poses multiple challenges for the converters and users. The higher tendency to dusting during the handling in production, the increased brittleness of the material and low impact resistance often make the use in closed loop applications challenging.

By adding SBS polymers major players try to counter these effects by taking into account some significant drawbacks. As SBS has a high tendency towards Oxidation and Degradation, the initially promoted properties quickly drop, resulting in poor product quality and short product life.

IMPROVEMENT OF PROPERTIES

Mechanical properties

By introducing our MAXILOOP EMA7AB4820MOD, we can offer a sustainable solution to enhance the properties of recycled Polystyrene (rPS) without compromising on accelerated polymer aging.

With the addition of our EMA7AB4820MOD compatibilizer, the impact strength of rPS can be significantly improved. In comparison, the addition of SBS modifiers results in an increase in impact strength at the expense of reduced tensile strength. EMA7AB4820MOD increases both impact strength and tensile strength, making the rPS with our additive suitable for higher mechanical loads and a wide range of applications.

Degradation and Aging

Besides the increase in mechanical performance, our MAXILOOP EMA7AB4820MOD preserves the mechanical modifications, making the rPS less sensitive to degradation and aging.

This a major advantage of EMA7AB4820MOD towards conventionally used SBS Modifiers: Where SBS Modifiers, even during first and second processing step already act accelerating to degradation of rPS, our MAXILOOP Compatibilizer inhibits aging and degradation of the polymer.

Our solution with

MAXILOOP EMA7AB4820MOD

Based on these advantages our MAXILOOP compatibilizer can support a wide range of applications of recycled polystyrene. By elevating the properties and quality of rPS to new levels, the use of higher recycled polymer content can be considered in more demanding applications.

With the MAXILOOP Compatibilizer Series Gabriel-Chemie can help you in your path towards a sustainable circularity.

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