AJISPERTM

Pigment dispersants (Polymer-type)
Polymeric dispersing agent AJISPERTM

Pigment dispersants (Polymer-type) AJISPERTM

What is AJISPERTM?

AJISPERTM can help improve and stabilize the dispersion of not only pigments but also functional nanofillers.

Have you experienced these issues?

Uniform dispersal of fine particles in resins, solvents, etc.
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Reducing the viscosity of blends with high filler content
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Avoiding settling or agglomeration of filler
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Here is the product that resolves these issues.
Pigment dispersants (Polymer-type) “AJISPERTM

Application

Dispersion of pigments
Dispersion of carbon nanotubes and other functional fillers (thermal and electrical conductivity, dielectric properties, etc.)

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Feature

It shows excellent dispersibility and dispersion stability not only for pigments but also for carbon materials and other functional fillers.
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It is compatible with a variety of resins and solvents.
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AJISPERTM dispersion effect

Electrically conductive carbon black
With AJISPERTM
Liquid
Without AJISPERTM
Clay-like
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AJISPERTM PB821 7.0 / 0
Electrically conductive carbon black 10.0
Acrylic resin 19.5
Butyl acetate 65.5
Barium titanate
With AJISPERTM uniform dispersion
Without AJISPERTM settling
Photo
AJISPERTM PB821 0.25 / 0
Barium titanate 5.0
Butyl acetate 100

Lineup

・AJISPERTM is a pigment dispersants (polymer-type) originally developed by Ajinomoto Fine-Techno based on the surface chemistry technology cultivated by the Ajinomoto Group over many years.
・AJISPERTM can easily disperse various types of fillers to a high degree of dispersion.

 Feature

 ・Advanced dispersion and stabilization in a simple process
 ・Improved compatibility and wettability
 ・Improved properties in composite materials

  PB821 PB822 PB824 PB881 PN411 PA111
Appearance Pale yellow liquid Pale yellow liquid Pale yellow liquid Pale yellow liquid Pale brown liquid Pale brown liquid
Structure Basic polymer Basic polymer Basic polymer Basic polymer Neutral polymer Acidic polymer
Active ingredient 100% 100% 100% 100% 100% 100%

Amine value
(mgKOH/g)

10 17 17 17
Acid value
(mgKOH/g)
17 14 21 17 6 35
Viscosity
(mPa・s)
8,800 4,400
Number of colors
(Gardner)
4 4 4 4 4 1

Applicable resin

AJISPERTM is compatible with a wide range of resins.

Resin PB821 PB822 PB824 PB881 PN411 PA111
Alkyd Applicable Applicable Applicable Applicable Soluble Soluble
Acrylic
Urethane
Urethane Applicable Applicable
Epoxy
Polyvinyl chloride and vinyl acetate
Oil
CAB
Nitrocellulose
Silicone Applicable Applicable Applicable Applicable
Fluorine Applicable Applicable
△ ; Partially applicable

Solubility

AJISPERTM dissolves in a wide range of solvents.

  Solvent SP value PB821 PB822 PB824 PB881 PN411 PA111
Hydrocarbon Mineral turpentine 7.4 × × × × Soluble Soluble
N-hexane 7.3 × × × ×
Solvesso 8.7 Soluble Soluble Soluble Soluble
Toluene 8.9
Xylene 8.7
Ketone MEK 9.1
MIBK 8.1
Ester Ethyl acetate 8.8
Butyl acetate 8.5
Ether PM acetate 9.4
PM 10.0
Butyl carbitol 10.0
Alcohol Butyl cellusolve 10.2
Isobutyl alcohol 11.1 × × × ×
n-Butyl alcohol 11.3 × × × ×
Isopropyl alcohol 11.5 × × × ×
Methanol 14.5 × × × × × ×
Water 23.4 × × × × × ×
× = Insoluble
The data in this document are representative values, not standard values. The contents of this document are subject to change without notice.

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