Polyether Block Amide (PEBA) is a polymeric permanent antistatic modifier developed for multi‑resin thermoplastic modification. Different from low‑molecular‑weight migratory antistatic surfactants whose antistatic capability relies on surface moisture absorption, this block copolymer builds continuous conductive micro‑networks inside the polymer matrix. It delivers non‑migrating and non‑blooming performance. It can be adopted for injection molding, extrusion and blow‑film processes for PE, PP, A

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Product DetailsPolyether Block Amide (PEBA) is constructed from rigid polyamide hard segments and hydrophilic flexible polyether soft segments. During twin‑screw compounding, PEBA pellets are blended with host thermoplastic resins. Under appropriate thermal‑shear conditions, the dispersed PEBA micro‑domains interconnect to establish three‑dimensional intrinsic conductive pathways distributed throughout the whole plastic bulk. Static charges are released rapidly via these internal conductive channels, so antistatic performance is not heavily dependent on ambient atmospheric humidity.

Non‑migrating property constitutes the core advantage. Since antistatic functionality comes from high‑molecular copolymer chains locked inside the resin matrix, there is no outward diffusion of small‑molecule active substances. Surface blooming, oily exudation and surface contamination are effectively avoided. This feature benefits downstream secondary operations including painting, printing and adhesive bonding for finished plastic articles.

This PEBA antistatic polymer supports multiple thermoplastic forming technologies: injection molding for structural antistatic components, extrusion for antistatic sheets and profiles, blow‑film for antistatic packaging films. Compatibility differs across various host resins. Nylon shows inherently good compatibility with PEBA; for non‑polyamide resins such as PE, PP, ABS, PC and PMMA, a suitable compatibilizer may be required to refine phase dispersion and prevent visible surface defects.

Processing parameters must be strictly controlled. Excessively high barrel temperature or fierce screw shear will trigger thermal‑oxidative degradation of hydrophilic polyether segments, damaging the internal conductive network and weakening antistatic efficiency.

The recommended final loading dosage for finished plastic products ranges from 8 wt%‑17 wt%. Actual addition level shall be adjusted according to target surface and volume resistivity requirements, host resin types and final product applications. Pre‑production laboratory trials are essential to evaluate melt‑flow behaviour, phase dispersion, surface and volume resistivity, mechanical performance retention, non‑blooming characteristic and long‑term thermal ageing stability.

Store pellet‑form PEBA antistatic polymer inside sealed moisture‑proof bags in a cool, dry and ventilated warehouse. Prevent moisture absorption before extrusion compounding. Avoid prolonged direct sunlight and high‑temperature storage. Reseal packaging immediately after opening to minimize moisture uptake.

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Permanent Antistatic Polymer Polyether Block Amide (PEBA), Non-Migrating for Injection Extrusion Blow Film PE PP ABS PC PMMA Nylon

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Jishengya Technology

Shenzhen Jishengya Technology Co., Ltd. is located in Shenzhen, a special economic zone, and is a comprehensive technology enterprise integrating independent R&D, production and sales.