Name: Nonionic EO/PO Block Copolymer Dispersant NEP-10
Brand: Coatingsink
SKU: nonionic-eo-po-dispersant-nep
Availability: InStock

Question 1

What makes NEP-10 suitable for both waterborne and solventborne pigment grinds?

Accepted Answer

NEP-10's EO/PO block copolymer structure provides a tunable hydrophilic–lipophilic balance. The PO blocks anchor to organic pigment surfaces while the EO chains extend into the continuous phase—whether aqueous or solventborne—providing steric stabilization in both media.

Question 2

Does NEP-10 cause foam issues in waterborne mill bases?

Accepted Answer

NEP-10 is a nonionic dispersant with moderate foaming tendency. In high-speed bead mills, a trace defoamer (0.05–0.1%) is recommended as a precaution. Its nonionic character avoids the electrostatic incompatibilities common with anionic dispersants.

Question 3

What pigment types respond best to NEP-10?

Accepted Answer

NEP-10 is effective across organic pigments (phthalocyanines, quinacridones, azo) and inorganic pigments (TiO₂, iron oxides). For carbon black, pairing with a low-molecular-weight anionic co-dispersant improves jetness and undertone.

HLB Value	13–16
pH (10% aq.)	6.5–8.0
Active Content	100%
Viscosity (25°C)	800–2500 mPa·s
Cloud Point (1% aq.)	>75°C

Nonionic EO/PO Block Copolymer Dispersant NEP-10

Specifications

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