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N, P and Si compound organic-inorganic composite ceramic peptizer

An inorganic composite and debonder technology, applied in the field of N, Si compound organic-inorganic composite ceramic debonder, P, which can solve the brittle cracking or shattering of ceramic products, low solubility of polyphosphate, and large thixotropy of ceramic mud, etc. problem, to achieve the effect of small loss of fluidity, enhanced degumming effect, and high yield

Inactive Publication Date: 2020-07-28
肇庆市欧陶新型材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a kind of N, P, Si compound organic-inorganic composite ceramic debonding agent, to solve the inorganic debonding agent that proposes in the above-mentioned background technology to be subjected to the influence of factors such as molecular structure and relative molecular mass, its water-reducing effect Poor, wide range of debonding, large thixotropy to ceramic mud, single inorganic debonding agent polyphosphate has low solubility in water, easy to hydrolyze, poor adaptability to mud of different materials and production areas, which brings great harm to production Uncertainty, the problem that the inorganic debonding agent is easy to cause brittle cracking or shattering of ceramic products under high dosage after the mud body is fired at high temperature

Method used

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  • N, P and Si compound organic-inorganic composite ceramic peptizer
  • N, P and Si compound organic-inorganic composite ceramic peptizer
  • N, P and Si compound organic-inorganic composite ceramic peptizer

Examples

Experimental program
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Effect test

Embodiment 1

[0038] Mix 15 parts by weight of sodium ethylenediamine tetramethylene phosphonate powder and 160.25 parts by weight of sodium metasilicate hexahydrate powder (85 parts by weight of sodium metasilicate) to obtain 175.25 parts by weight of solid organic-inorganic composite debonding agent . Then take a certain proportion, add it to a certain amount of water-containing ceramic slurry, grind for 10 minutes, measure the initial viscosity of the slurry and its fluidity change at room temperature 25°C, and sinter the slurry at a high temperature of 1200°C after molding to observe the product. Surface conditions, the results are listed in Table 1.

Embodiment 2

[0040]Mix 30 parts by weight of sodium aminotrimethylene phosphonate powder, 10 parts by weight of potassium tripolyphosphate, 120 parts by weight of potassium silicate water glass solution (the modulus is 2.5, and the concentration is 50wt%), and 240 parts by weight of water to obtain 400 parts by weight. A liquid organic-inorganic composite debonding agent with a content of 25 wt%. Then take a certain proportion, add it to a certain amount of water-containing ceramic slurry, grind for 10 minutes, measure the initial viscosity of the slurry and its fluidity change at room temperature 25°C, and sinter the slurry at a high temperature of 1200°C after molding to observe the product. Surface conditions, the results are listed in Table 1.

Embodiment 3

[0042] Mix 50 parts by weight of sodium diethylenetriaminepentamethylene phosphonate powder, 10 parts by weight of sodium tripolyphosphate, and 93.11 parts by weight of sodium metasilicate nonahydrate powder (40 parts by weight of sodium metasilicate) to obtain 153.11 parts by weight Solid organic-inorganic composite debonding agent. Then take a certain proportion, add it to a certain amount of water-containing ceramic slurry, grind for 10 minutes, measure the initial viscosity of the slurry and its fluidity change at room temperature 25°C, and sinter the slurry at a high temperature of 1200°C after molding to observe the product. Surface conditions, the results are listed in Table 1.

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Abstract

The invention belongs to the technical field of fine chemical engineering of ceramic additives and specifically relates to an N, P and Si compound organic-inorganic composite ceramic peptizer. The peptizer is composed of the following active ingredients: a solid peptizer formed by mixing small molecular N-containing methylene phosphonate, polyacrylate, polyphosphate or / and metaphosphate, silicate(M2O.nSiO2) or / and metasilicate, or a liquid peptizer prepared from the active ingredients and water in an amount which is twice the weight of the active ingredients. The peptizer is used for ceramicslurry, and can significantly improve the defects of poor peptizing effect, low water-reducing rate, large thixotropy, poor adaptability, low yield and the like of a single inorganic peptizer.

Description

technical field [0001] The invention relates to the technical field of fine chemical industry of ceramic additives, in particular to an N, P, Si compound organic-inorganic composite ceramic debonding agent. Background technique [0002] Ceramic debonding agent (also known as water reducer) is one of the ceramic additives, its main function is to destroy the flocculation structure of ceramic slurry particles so that the slurry still has good dispersibility and Low viscosity, easy to operate and form, can also play a certain role in energy saving and consumption reduction. The ceramic debonding agent can be widely used in ceramic production processes such as mud making, pulp refining, and glaze making in the ceramic industry. [0003] Inorganic debonding agent is the most widely used debonding agent in the ceramic industry, and water glass is the most common inorganic ceramic debonding agent in the ceramic industry because of its low price. Excellent fluidity, easy to operat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/632C04B35/634C04B35/63
CPCC04B35/6313C04B35/6316C04B35/632C04B35/63424
Inventor 黄月文王斌欧阳天生刘新鸿赵树录年福伟
Owner 肇庆市欧陶新型材料有限公司
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