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Application Testing of Anjeka 6976 in Polyester Polyol and Epoxy Resin Filler Pastes

2025-12-04

Dispersant Testing for Thermally Conductive Filler Pastes by Anjeka

Application Testing of Anjeka 6976 in Polyester Polyol Filler Pastes

Paste Formulation
	Precipitated Alumina （3μm）	Boron Nitride（2000 mesh）	Magnesium Hydroxide（3 μm Grade）	Remark
Polyester Polyol	45	65.4	65.4	FH-2120
Dispersant	0.5	0.6	0.6	Anjeka 6976
Filler	54.5	34	34
Total	100	100	100

The dispersant was added to the resin and mixed until homogeneous. The filler was then introduced, and the

mixture was dispersed using a high-speed disperser at 2500 rpm for 20 minutes.

Comparison of Viscosity Reduction by Different Dispersants
Viscosity mpa.s（25℃）	Precipitated Alumina	Boron Nitride	Magnesium Hydroxide
Blank	2103	1289090	3196
Reference 9076	2103	734221	1730
6976	774	177250	1346

In polyester-based thermally conductive filler pastes, Anjeka6976 demonstrates superior viscosity reduction

compared to the competitive product 9076.

Application Testing of Anjeka 6976 in Epoxy Resin Filler Pastes

Paste Formulation
	Precipitated Alumina （3μm）	Magnesium Hydroxide （3 μm Grade）	Remark
Epoxy resin	45	65.4	Sanmu 828
Dispersant	0.5	0.6	Anjeka 6976
Filler	54.5	34
Total	100	100

The dispersant was added to the resin and mixed until homogeneous. The filler was then introduced, and

the mixture was dispersed using a high-speed disperser at 2500 rpm for 20 minutes.

Comparison of Viscosity Reduction by Different Dispersants
Viscosity mpa.s（25℃）	Precipitated Alumina	Magnesium Hydroxide
Blank	24456	72022
Reference 9076	13661	13943
6976	14152	9849

In epoxy-based thermally conductive pastes, Anjikang 6976 performs comparably to the competitive product.

However, for magnesium hydroxide (Mg(OH)₂) dispersion, it demonstrates superior viscosity reduction compared

to 9076.

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Application Testing of Anjeka 6976 in Polyester Polyol and Epoxy Resin Filler Pastes

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Cases

Polymeric Dispersing Agent

Pigment Dispersing Agent

Nanoparticle Dispersion

Paint Dispersing Agent

Wetting And Dispersing Agent

Waterborne Pigment Dispersant