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Silicon carbide surface treating agent

A technology of surface treatment agent and silicon carbide, which is applied in the field of surface treatment, can solve the problems of high cost, poor stability of silicon carbide, large dosage, etc., and achieve the goals of reducing usage and production cost, improving usage effect, good adsorption and dispersion Effect

Inactive Publication Date: 2018-02-13
山东青州微粉有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But they generally have the following disadvantages: high cost, large dosage, poor stability of silicon carbide after treatment

Method used

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  • Silicon carbide surface treating agent
  • Silicon carbide surface treating agent
  • Silicon carbide surface treating agent

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] See Table 1 for the weight ratio of raw materials in Embodiment 1, Embodiment 2, Embodiment 3, Embodiment 4 and Embodiment 5.

[0017] Table 1

[0018]

[0019] In Table 1, the superplasticizer can be one of melamine-based superplasticizers, naphthalene-based superplasticizers, and polycarboxylic acid-based superplasticizers. Preferably, the high-efficiency water reducer is YH-22 melamine-based high-efficiency water reducer.

[0020] In Table 1, the anionic surfactant may be sodium dodecylbenzenesulfonate. Of course, the anionic surfactant can also be a sulfonate-type anionic surfactant, a sulfate-type anionic surfactant, etc., which will not be repeated here.

[0021] In Table 1, the nonionic surfactant can be one of fatty alcohol polyoxyethylene ether, lauryl alcohol polyoxyethylene ether, and cetyl alcohol polyoxyethylene ether. Preferably, the nonionic surfactant is fatty alcohol polyoxyethylene ether.

[0022] In Table 1, the solubilizing and defoaming agent...

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PUM

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Abstract

The invention discloses a silicon carbide surface treating agent and belongs to the technical field of surface treatment. The silicon carbide surface treating agent is composed of the following raw materials in percentage by weight: 40-78% of deionized water, 0.5-1.5% of a superplasticizer, 10-30% of glycerin, 10-25% of an anionic surfactant, 0.5-5% of a nonionic surfactant and 1-4% of a solubilizing antifoaming agent. According to the silicon carbide surface treating agent provided by the invention, the anionic polymer dielectric medium in the composition has excellent effect of adsorbing anddispersing a silicon carbide powder; due to the compound use of the anionic surfactant and the nonionic surfactant, synergistic effects can be achieved. Therefore, the service effect of the surface treating agent is greatly improved, and the usage amount and production cost can be reduced.

Description

technical field [0001] The invention belongs to the technical field of surface treatment, in particular to a silicon carbide surface treatment agent. Background technique [0002] As a high-performance ceramic material, silicon carbide is directly determined by the solid phase content and rheological properties of the slurry. The density and microstructure of the embryo body can be improved by surface treatment to reduce surface activity and improve solid state. Phase content and powder flowability are critical. [0003] At present, the commonly used silicon carbide surface treatment methods in the prior art are surface adsorption coating and surface chemical modification. However, they generally have the following disadvantages: high cost, large dosage, and poor stability of silicon carbide after treatment. Therefore, it is urgent to find a surface treatment agent with low cost, low dosage and good stability. Contents of the invention [0004] The technical problem to ...

Claims

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Application Information

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IPC IPC(8): C04B35/626C04B35/565
CPCC04B35/62615C04B35/565C04B35/6264
Inventor 杨天宇庄晓培
Owner 山东青州微粉有限公司
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