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Water-soluble composite modification grinding aid, preparation method and application thereof

A technology of water-soluble compounding and grinding aids, which is applied in the treatment of dyed organic silicon compounds, dyed low-molecular organic compounds, and fibrous fillers. problems, to achieve the effect of low price, improved surface activity, and reduced wear

Active Publication Date: 2019-12-31
GUANGDONG XUSLAN WHITEROCK IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In a specific application environment, such as in a large vertical grinding machine, due to its special grinding path and grinding chamber structure, the instantaneous temperature of the grinding roller and grinding disc is high, and the purpose of grinding and modification at the same time cannot be achieved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The formula table of the present embodiment is as follows:

[0034] 1.5% myristic acid; 18% octadecanoic acid; 2% glyceryl stearate; 5.5% diethylene glycol; 1.5% dimethicone; 1% sorbitan fatty acid ester, and the balance water.

[0035] The preparation steps are as follows:

[0036] 1. Mix myristic acid, octadecanoic acid, glyceryl stearate, simethicone, and emulsifier to form an oil phase pot, and heat while adding materials. The order of adding is: glyceryl stearate, and emulsifier first dissolve , then add simethicone oil, and finally add fatty acid, after the above substances are mixed evenly, control the temperature at 90°C and keep it warm for 60min.

[0037] 2. Add diethylene glycol and water into the water phase pot, raise the temperature to 85°C, and keep the temperature constant for 60 minutes.

[0038] 3. After the reactor is preheated, pump in the water phase, stir at a speed of 1000r / min, and stir for 20 minutes; pump in the oil phase, stir at a speed of ...

Embodiment 2

[0042] Processing step is the same as embodiment 1, and difference is that formula is as follows:

[0043] 1.5% myristic acid; 15% octadecanoic acid; 2.5% glyceryl stearate; 5% diethylene glycol; 1.5% dimethicone; 1% sorbitan fatty acid ester, and the balance water.

Embodiment 3

[0045] Processing step is the same as embodiment 1, and difference is that formula is as follows:

[0046] 1.25% myristic acid; 16% octadecanoic acid; 3% glyceryl stearate; 5% diethylene glycol; 1.5% dimethicone; 1% sorbitan fatty acid ester, and the balance water.

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PUM

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Abstract

Belonging to the field of calcium carbonate modification, the invention discloses a water-soluble composite modification grinding aid. The grinding aid is an emulsion, which comprises the following components by weight: 10-20% of octadecanoic acid, 2-5% of glyceryl stearate, 5-10% of diethylene glycol, 1-2% of an emulsifier, and the balance water. The grinding aid can be applied to a large vertical grinder for grinding aiding and modification, and meanwhile, the invention also discloses a preparation method and application of the grinding aid.

Description

technical field [0001] The invention relates to the field of calcium carbonate modification, in particular to a water-soluble composite modified grinding aid, a preparation method and application. Background technique [0002] At present, mainstream heavy calcium carbonate manufacturers at home and abroad use palmitic acid and octadecanoic acid the most to modify heavy calcium. The mechanism is that stearic acid is a water-soluble acid and is an anionic surfactant. Its carboxyl and Calcium carbonate is bonded through hydroxyl groups; its long-chain hydrophobic groups wrap the surface of calcium carbonate by intertwining each other. To achieve the organicization of the surface of inorganic powder, improve the affinity and binding force between calcium carbonate and organic matter, and also promote the fluidity of powder. In fact, heavy calcium carbonate is a commonly used material for modification. [0003] The applicant Lida Super Micro Industry (Suzhou) Co., Ltd. filed an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/02C09C3/12
CPCC09C1/021C09C3/08
Inventor 张志英
Owner GUANGDONG XUSLAN WHITEROCK IND CO LTD
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