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Dispersant Testing for Calcium Carbonate Paste in Polyether PPG-3000

2025-11-30

Anjeka Experimental Report（No.：2025052701）

Anjeka Dispersant

Project: Dispersant Comparison

Category: Dispersant Testing

Personnel: R&D Department

Date Submitted: May 28, 2025

1. Objective

To compare the viscosity reduction effectiveness of different dispersants in a solvent-free, polyether polyol-based ground calcium carbonate (GCC) filler paste system.

2.Procedure

Prepare individual pastes using the following Anjikang dispersants:

6500

6402 (100%)

802

6501A

6976

6860

Compare the viscosities of the resulting pastes to evaluate dispersant performance.

3.Result and Discussion

3.1Method

Prepare the polyether polyol paste according to the formulation and process detailed in Table 1. Measure the viscosity after the paste has cooled to ambient temperature.，

3.2 Performance Testing

3.2.1Formulation

Table 1. Formulation of Polyether Polyol Paste

	Amount	Remark
Polyether Polyol	34.5	PPG-3000
Dispersant	0.5	Anjeka Dispersant
Ground Calcium Carbonate	65	600 - 800 mesh
Total	100

According to the formulation in Table 1, add the polyol and dispersant to the mixing vessel. Begin mixing at 500 rpm for 5 minutes. Slowly add the filler to the mixture, then increase the speed to 2500 rpm and disperse for 10 minutes. Once the temperature of the mixture has decreased to room temperature, measure the final viscosity.

3.2.2 Result and Discussion

Viscosity Camparison：

Mpa.s（28℃）	Blank	Anjeka 6500	Anjeka 6402A（100%）	Anjeka 802	Anjeka 6501A	Anjeka 6976	Anjeka 6860
Viscosity	79028	8283	12853	11187	19851	14329	19804
Appearance after 12h at RT	No Flow	Flow	Flow	Flow	No Flow	No Flow	No Flow
at 60°C for 2 days		6950	8426	6903	10902	7522	33932
at 60°C for 2 days		no sedimentation	Water Separation and Sedimentation	Water Separation and Sedimentation	Water Separation and Sedimentation	Water Separation and Sedimentation	no sedimentation

4.Conclusion

All tested Anjikang dispersants exhibited effective viscosity reduction in this system.

Anjikang 6500 showed the best performance and was the most effective at reducing viscosity in the polyether polyol-based GCC filler paste.

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Dispersant Testing for Calcium Carbonate Paste in Polyether PPG-3000

Noticias

Casos de trabajo

Agente dispersor polimérico

Agente dispersor del pigmento

Dispersión de nanopartículas

Agente dispersor de la pintura

Agente humectante y dispersor

Dispersante de pigmentos en el agua