Ceramic grinding aid

A grinding aid and ceramic technology, which is applied in the field of ceramic grinding aids, can solve the problems of lack of water reduction and dispersion effects, inability to improve the flow rate of materials in the mill and electrostatic adsorption in the mill, and improve the grinding efficiency. , the effect of reducing the surface energy of clinker and hindering healing

Inactive Publication Date: 2018-09-11
田秋珍
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a ceramic grinding aid for the problems that the current ceramic grinding aid does not have good water reducing and dispersing effects and cannot improve the material flow rate in the mill and the electrostatic adsorption in the mill.

Method used

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  • Ceramic grinding aid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] δ-Layered crystalline sodium disilicate: purchased from Puyang Lvyuan Chemical Co., Ltd.

[0029] Pyrophyllite powder: Take isopropyl tris(dioctyl pyrophosphate acyloxy) titanate and add petroleum ether in a mass ratio of 1:1, stir and mix at 50°C for 30 minutes to obtain a mixture, take pyrophyllite and grind it, crush it 80-mesh sieve, collect the sieved particles, take the mixture and add the sieved particles at a mass ratio of 3:10, heat up to 90°C, stir and mix for 20 minutes, rotary evaporate, and dry to obtain pyrophyllite powder.

[0030]Grinding aid base material: A. Take diisopropanolamine and add N,N-dimethylacetamide in a mass ratio of 1:3, then add diethanolamine with 50% of the mass of diisopropanolamine, stir and mix for 1 hour to obtain a mixture For solution A, take succinic anhydride and add N,N-dimethylacetamide in a mass ratio of 1:8, stir and mix for 40 minutes to obtain a mixed solution B, pass it into nitrogen protection, take the mixed solution A...

Embodiment 2

[0037] δ-Layered crystalline sodium disilicate: purchased from Puyang Lvyuan Chemical Co., Ltd.

[0038] Pyrophyllite powder: take isopropyl tris(dioctyl pyrophosphate acyloxy) titanate and add petroleum ether in a mass ratio of 1:1, stir and mix at 60°C for 40 minutes to obtain a mixture, take pyrophyllite and grind, pulverize 80-mesh sieve, collect the sieved particles, take the mixture and add the sieved particles at a mass ratio of 3:10, heat up to 100°C, stir and mix for 30 minutes, rotary evaporate, and dry to obtain pyrophyllite powder.

[0039] Grinding aid base material: A. Take diisopropanolamine and add N,N-dimethylacetamide in a mass ratio of 1:3, then add diethanolamine with 80% of the mass of diisopropanolamine, stir and mix for 3 hours to obtain a mixture For solution A, take succinic anhydride and add N,N-dimethylacetamide at a mass ratio of 1:8, stir and mix for 50 minutes to obtain a mixed solution B, pass it into nitrogen protection, take the mixed solution ...

Embodiment 3

[0046] δ-Layered crystalline sodium disilicate: purchased from Puyang Lvyuan Chemical Co., Ltd.

[0047] Pyrophyllite powder: Take isopropyl tris(dioctyl pyrophosphate acyloxy) titanate and add petroleum ether in a mass ratio of 1:1, stir and mix at 55°C for 35 minutes to obtain a mixture, take pyrophyllite, grind it, and crush it 80-mesh sieve, collect the sieved particles, take the mixture and add the sieved particles at a mass ratio of 3:10, heat up to 95°C, stir and mix for 25 minutes, rotary evaporate, and dry to obtain pyrophyllite powder.

[0048] Grinding aid base material: A. Take diisopropanolamine and add N,N-dimethylacetamide in a mass ratio of 1:3, then add diethanolamine with a mass ratio of 65% of diisopropanolamine, stir and mix for 2 hours to obtain a mixture For solution A, take succinic anhydride and add N,N-dimethylacetamide in a mass ratio of 1:8, stir and mix for 45 minutes to obtain a mixed solution B, pass it into nitrogen protection, take the mixed sol...

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Abstract

The invention discloses a ceramic grinding aid and belongs to the technical field of ceramic additives. Diisopropanol amine, diethanol amine and succinic anhydride serve as raw materials and are subjected to esterification to form a hyperbranched polymer; the terminals of the raw materials contain large quantity of polar groups, such as hydroxyl group, ester group and the like, so that the ceramicgrinding aid is easy to adsorb on surface of ceramic clinker to form hydrogen bond film that inhibits curing of micro-cracks and increases grinding efficiency; xylitol and acryloyl chloride are subjected to acylating chlorination to synthesize an intermediate, which can partly replace methylallylpolyoxyethylene ether for preparing a modified substance through free radical polymerization with hydroxyethyl methylacrylate and acrylic acid under effect of ammonium persulfate, thereby enhancing flowability of ceramic slurry, improving grinding assisting effect and meanwhile, effectively improvingmaterial flow speed and electrostatic adsorption in a grinding mill. The invention solves problems that a ceramic grinding aid in the prior art does not have excellent water reducing and dispersion effects and cannot improve the material flow speed and electrostatic adsorption in the grinding mill well.

Description

technical field [0001] The invention belongs to the technical field of ceramic additives, and in particular relates to a ceramic grinding aid. Background technique [0002] The ceramic grinding aid belongs to one of the products in the technical field of ceramic additives. Ceramic grinding aids generally have the ability to reduce water and decondense, which is very important and indispensable for grouting mud and spray drying mud. In the grouting slurry, low water content can reduce the shrinkage rate of the green body, reduce the water absorption of the plaster mold, shorten the drying time of the model, and improve the production efficiency. For spray-dried slurries, the reduction of water content reduces the energy consumption during drying and increases the powder output. [0003] Ceramic grinding aids are usually divided into liquid, solid, gas and mixture. So far, the vast majority of grinding aids used in the ceramic industry are solid and liquid. Inorganic elect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/634C08G83/00C08G63/685C08F283/06C08F220/06C08F220/20C08F222/12
CPCC04B35/6346C08F283/065C08G63/685C08G83/005C08F220/06C08F220/20C08F222/1006
Inventor 田秋珍庄文琴丁正颖
Owner 田秋珍
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