Migrating antistatic agent

A subgroup of antistatic agents with very good dissipative properties, but which is sensitive to external influences and can rub off.

Definition & mode of action

Difference from the permanent antistatic agent

Recommended use

01 Definition & mode of action

A migrating antistatic agent is a subgroup of antistatic agents. As an additive, the material offers very good dissipative properties, but it is sensitive to external influences and can therefore rub off ('migrate'). It moves to the surface of the film and forms a conductive layer there, which can be removed by friction, cleaning or moisture.

02 Difference from the permanent antistatic agent

Unlike permanent antistatics, the migrating antistatic agent is not permanently anchored in the polymer matrix. The antistatic effect can diminish through abrasion, which can lead to a loss of ESD protection in applications subject to mechanical stress.

03 Recommended use

Migratory antistatic agents are suitable for applications without direct product contact and without significant mechanical stress. For pharmaceutical primary packaging, permanent antistatic agents should be preferred, as migrating substances could transfer into the product and thereby breach regulatory requirements.

All terms

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