This low‑migration polyolefin antistatic modifier is a high‑molecular‑weight polyether ester amide copolymer developed for PP and PE modification. Different from conventional small‑molecule migratory antistatic surfactants which easily bloom onto product surfaces, this macromolecular additive forms continuous conductive micro‑domains inside the polyolefin matrix after twin‑screw compounding. It provides durable static‑dissipating performance without heavy surface exudation. It preserves high tra

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Product DetailsHigh‑molecular polyether ester amide block copolymer consists of rigid ester‑amide hard segments and flexible hydrophilic polyether soft segments. It is supplied as uniform pellets for twin‑screw compounding operations. Since it is a macromolecular polymer, its diffusion mobility inside solidified polyolefin is greatly restricted, which realizes the core low‑migration characteristic.

During melt compounding with PP or PE base resin, appropriate thermal‑shear conditions disperse the copolymer finely within the polyolefin matrix. Dispersed micro‑domains interconnect and build three‑dimensional intrinsic conductive pathways throughout the plastic bulk. Static charges can be dissipated rapidly through these internal conductive networks. The antistatic effect does not completely rely on surface‑absorbed atmospheric moisture, so service performance is less sensitive to humidity fluctuation.

Controlled micro‑phase size is critical for transparency. Optimized molecular weight and phase‑compatibility design limit the dimension of dispersed conductive domains below visible‑light wavelength. Light scattering is minimized, and finished PP or PE parts and films maintain high transparency without obvious haze. Low‑migration property effectively suppresses surface blooming and oily bleed. It avoids contamination of product surfaces and maintains good compatibility with downstream printing, heat‑sealing and lamination processes.

A suitable compatibilizer may be required when compounding this copolymer into non‑polar PP and PE, in order to refine phase dispersion, prevent micro‑specks and avoid deterioration of mechanical properties of polyolefin materials. Processing parameters must be strictly regulated. Excessively high barrel temperature and fierce screw shear will trigger thermal‑oxidative degradation of hydrophilic polyether segments, breaking the internal conductive network and reducing long‑term antistatic efficiency.

The recommended final loading dosage for finished PP and PE products ranges from 7 wt%‑16 wt%. The exact addition level should be adjusted according to target surface resistivity, film thickness and base resin grade. Pre‑production laboratory testing shall evaluate melt‑flow index, phase dispersion status, surface and volume resistivity, haze and light transmittance, mechanical property retention, anti‑blooming behaviour and long‑term thermal ageing stability.

Store pellet‑form polyether ester amide antistatic modifier in sealed moisture‑proof bags inside 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 lower hygroscopic risk and guarantee stable processing performance.

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Low-Migration Polyolefin Antistatic Modifier High-Molecular Polyether Ester Amide, Long-Lasting Transparent for PP PE Film & Injection

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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.