This nonionic surfactant polystyrene antistatic agent is specially formulated for general‑purpose polystyrene (PS) and high‑impact polystyrene (HIPS). Optimized molecular compatibility with styrenic resin matrix enables uniform dispersion during melt compounding. After thermal processing, the active component slowly migrates to the plastic surface and forms a thin hydrophilic conductive layer for static dissipation. It suppresses dust attraction caused by static charge accumulation. With careful

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Product DetailsThis nonionic surfactant features amphiphilic molecular construction combining hydrophobic long‑chain alkyl segments and hydrophilic polyhydroxy functional groups. It can be directly blended with PS or HIPS resin pellets, or manufactured into antistatic masterbatch in advance for subsequent extrusion and injection molding.

During high‑temperature melt processing, the surfactant disperses homogenously within the molten styrenic matrix. Once the polystyrene article cools and solidifies, active surfactant molecules gradually diffuse toward the material surface. Hydrophilic polar groups absorb trace ambient moisture to build a continuous thin hydrophilic conductive film. This surface conductive layer dissipates accumulated static charges and reduces dust deposition on finished PS and HIPS components.

Controlled migration speed is a key design feature. Excessively fast migration would cause heavy blooming and create surface haze on transparent PS. This formulation balances migration rate to minimize light‑scattering surface deposits, so the original transparency of clear polystyrene products remains intact. For HIPS grades containing rubber phases, uniform dispersion avoids visible specks and surface defects.

As a migratory non‑ionic antistatic additive, its antistatic performance is humidity‑dependent. Static‑dissipating capacity declines under extremely dry environmental conditions. Over‑dosage will induce surface blooming, slippery surfaces, and negatively affect painting, printing and adhesive bonding performance of PS and HIPS parts. Insufficient loading cannot reach target surface resistivity.

Processing temperatures must be strictly managed during extrusion and injection molding. Excessive barrel temperature will cause thermal decomposition of the surfactant, generating volatile fumes and discoloration of polystyrene products.

The typical recommended dosage ranges from 0.35 wt%‑1.4 wt% based on total PS / HIPS resin weight. Pre‑production laboratory testing is required to evaluate thermal stability during processing, dispersion state, surface resistivity, transparency retention, blooming tendency and post‑processing printing or coating adhesion prior to mass production.

Store the antistatic additive inside sealed moisture‑proof bags in a cool, dry and ventilated warehouse. Avoid prolonged high‑temperature storage to prevent caking. Keep away from direct sunlight. Reseal packaging immediately after opening to maintain stable processing properties.

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Polystyrene Antistatic Agent Nonionic Surfactant, Effective for PS HIPS No Impact on Product Transparency

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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.