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Antistatic Masterbatch

Introduction

Polyfill’s Antistatic Masterbatch-PT3002 is a surface property modifier, which now-a-days finds extensive use by Plastics Processor, to reduce and control the static charges developed on the surface of plastic parts having large surfaces like film, fibres etc as spark discharge formed by static charges can produce serious accidents. Plastics, particularly sensitive to static build up Polyolefins, Nylon, Polyesters, Urethanes, Cellulosics, Acrylics etc.

Antistatic Masterbatch-PT3002 is based on Ethoxy Amine, using LLDPE as a carrier resin, compounded in most modern extrusion equipment, using state of art technology.

Characteristics

  • Accumulation of electrostatic charges on plastic surfaces can occur during processing and at various handling points all the way to consumer, results in dust attraction which limits its application for aesthetic and hygienic use, besides seriously affecting its organo-leptic properties. Static charges are dissipated by increasing the surface conductivity of products either by use of internal or external antistatic agents which form conductive ionic layer. External antistatic agents tend to provide only short term protection since they are subjected to the removal by wear or exposure.Internal antistatic agents tend to be more permanent since most are hydrophilic and migrate to the surface if the ionic layer is wiped away from time to time.

Mode of Action

PT 3002 Antistatic Masterbatch, an internal antistatic agent acts in two ways :

  • Builds up conductive path to bring charged particles into contact.
  • As a lubricant or mould- release agent in the post extrusion process.

PT3002 is incorporated into the polymer during the extrusion process. Upon extrusion,the additive Masterbatch migrates to the surface of the film – because of its definite incompatibility with the polymer – where the additive Masterbatch builds up a uniform layer on the film / product surface and prevents the building up of static electricity. It also reduces surface resistivity by migrating to the surface and absorbing moisture from the air.

Benefits

Using Antistatic Masterbatch PT3002 will reduce or even eliminate the problems caused by high surface resistivity. These problems include :

  • Increase handling problems during transport, storage and packing.
  • Dust contamination, affecting both, appearance and performance of end products.
  • Risk of electrical shocks to employees working at the machines.
  • Risk of electrical discharge causing fire or explosion.

Application

  • Polyolefins (HDPE, HMHDPE, PP, LLDPE, LDPE) packaging commodities such as films, wrapping sheets etc.
  • Plastic packaging for explosives.
  • PVC decorating film for furnitures.
  • Plastic conveyor belts in mines.
  • Electronic switches.
  • Plastic flooring in operating rooms to prevent spark discharge during machinery operation.

Typical Properties (Data Not for specification purpose)

From Granular
Color Clear
Active Ingredients - Antistatic 10 %
Particle size Apprx 10 Mesh
Inorganic Additives 3 %
Polymer - LLDPE (50 MFI) 87 %

Addition Level

0.5 TO 2%, depends on specific end use applications and the thickness of the finished products.

Packing

The material is packed in PE lined, moisture proof heavy duty PP bag in 25 kg pack.