Transparent Film Permanent Antistatic Agent Polyether Amide Elastomer, No Haze for Polyolefin & Electronic Packaging Film
Polyether Amide Elastomer is a high‑performance polymeric permanent antistatic agent dedicated to transparent film applications. Unlike traditional small‑molecule migratory antistatic additives that rely on surface moisture and frequently induce surface blooming, this block‑copolymer modifier creates interconnected conductive micro‑domains inside the polyolefin matrix. It maintains original film clarity with no significant haze increase after extrusion and film forming. It is suitable for cast f
Product DetailsThis polyether amide elastomer block copolymer consists of rigid polyamide hard segments and hydrophilic flexible polyether soft segments. During twin‑screw compounding, the elastomer pellets are dispersed into polyolefin resin to produce concentrated antistatic masterbatch. In subsequent blown‑film or cast‑film extrusion, fine elastomer micro‑phases interconnect to construct continuous three‑dimensional conductive pathways within the whole film cross‑section. Static charges dissipate rapidly through these embedded internal conductive networks, so the antistatic property does not heavily depend on ambient humidity.
Outstanding haze‑free performance is its primary advantage for transparent film grades. Optimized molecular weight and phase compatibility enable the dispersed elastomer domains to keep micro‑domain dimensions below visible‑light wavelength. Light scattering is minimized, therefore the finished polyolefin film retains high transparency instead of turning cloudy or hazy. This characteristic satisfies visual inspection requirements for electronic component packaging films, allowing operators to directly check packaged electronic parts without removing the packaging material.
The recommended industrial processing workflow is masterbatch preparation first, followed by dilution with neat polyolefin pellets during film extrusion. Excessive barrel temperature and extreme screw shear must be strictly controlled. Severe thermal‑oxidative degradation of polyether soft segments will break the conductive network and reduce antistatic effectiveness. Improper shear conditions can also enlarge dispersed phase particle size and trigger undesirable film haze.
The suggested final loading dosage in finished film ranges from 7 wt%‑15 wt%. The exact addition ratio should be adjusted based on target surface resistivity, film thickness and base resin type. Pre‑production laboratory testing is required to evaluate melt flow characteristics, film haze and light transmittance, surface resistivity, tensile and tear properties, as well as long‑term ageing stability.
Store pellet‑form polyether amide elastomer in sealed moisture‑proof bags inside cool, dry and ventilated warehouse. Avoid moisture absorption prior to compounding and film extrusion. Prevent prolonged direct sunlight and high‑temperature storage. Reseal packaging immediately after opening to reduce hygroscopic risk.
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