Lotader® - Key Points

Structural Properties

Lotader® resins have the best chemical structure for the extrusion coating:

• They are basically like LDPE, with in addition, polarity and reactivity (MAH)
• Comonomers are thermally very stable.
• Produce by autoclave

Processing Properties

Lotader® resins offers:

• Melt stability, drawability, and low power consumption
• Low neck-in (autoclave resin)
• Very large temperature processing window: From 200°C to 320°C
  (Compatible processing of engineering polymers)
• Fully compatible with LDPE
• No acid corrosion
• Easy purging with LDPE
• Ease of processability due to a large range of viscosity

Applicative Properties

• Very versatile adhesives properties: Reactive with nearly all polar substrates like metals or corona treated plastics, compatible with all ethylene copolymers
• Blendable with LDPE in all proportions:
• Lotader® MAH grades    give excellent performance in modifying PA6 and PA66 ranging from flexible PA to super-tough PA.
• Lotader® GMA grades  are very suited for modification of polyesters.

Adhesive performances in extrusion lamination depend on:

• The level of blending with LDPE
• The temperature
• The equilibrium between reactivity and softness (given by comonomer content)
  

Key characteristics:

Comonomer content: Acrylic ester 9 to 28% in weight
MAH low to middle content
Melt flow index: 2 to 200g/10mn (190°C - 2,16 kg)