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Tribological property

Tribological property

MODIPER® A, C series

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The functional polymer additives MODIPER® A, C series are innovative type graft copolymers, consisting of polyolefin (MODIPER® A) or polycarbonate (MODIPER® C) as a main chain and polyvinyl as a branch polymer, which are exclusively manufactured by NOF CORPORATION utilizing NOF’s developed grafting technology.

MODIPER® A, C series can improve the mechanical property, surface property, compatibility and others of thermoplastic resins by the addition of 1 – 10 %, especially tribological properties.

MODIPER® A, C series are an additive with high molecular weight, so it can keep the mechanical, thermal, molding properties of any resins. Furthermore, it doesn’t cause migration and evaporation from the resin.

The MODIPER® A, C series are friendly for the environment, so that no halogen compounds are contained.

Improvement

Functioning of MODIPER® A series

Result of Sliding Test

Evaluation of POM contained MODIPER® A1100 or PTFE shows as follows. MODIPER® A1100 can improve the Tribological property (abrasion loss and coefficient of kinetic friction).

The tribological property of MODIPER® A1100 is better than that of PTFE.

Applications

  • mechanism elements (especially for automotives) such as gear, bearing, door hinges, rails and others made by POM, PA and PPS
  • electronic parts (connector, housing, chassis) and others made from PBT, PA, PPS
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Tribological property

MODIPER® A series

MODIPER A1100

Product type: Graft Copolymer
Chemical structure: Polyethylene-graft-Polystyrene copolymer
Appearance: White pellet
Package size: 20kg bag

MODIPER A1401

Product type: Graft Copolymer
Chemical structure: Polyethylene-graft-Poly(Styrene/Acrylonitril) copolymer
Appearance: Slight yellowish Pellet
Package size: 20kg bag

MODIPER A4100

Product type: Graft Copolymer
Chemical structure: Poly(Ethylene/Glycidyl Methacrylate)-graft-Polystyrene copolymer
Appearance: White pellet
Package size: 20kg bag