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Deflocculation of ceramic mixtures

Deflocculation of ceramic mixtures

FromApparently invisible. Chemistry in ceramics.


Deflocculation of ceramic mixtures

FromApparently invisible. Chemistry in ceramics.

ratings:
Length:
13 minutes
Released:
Dec 11, 2023
Format:
Podcast episode

Description

The episode focuses on the flocculation phenomena of ceramic mixtures.The problem is marked by a progressive aggregation of solid particles and it often takes place due to phenomena of electrostatic attraction between the clay micelles in suspension.This process leads to a significant increase in viscosity within the system, negatively affecting the proper development of the production process.The episode offers a general overview about ceramic mixtures, focusing on the corrective action of some specific chemicals, able to develop and trigger an opposite process that provides the ceramic mixture with the proper features, restoring the parameters required for a good development of the process.With particular reference to the three major mechanisms underlying the deflocculation process:Electrostatic repulsion by cationic exchange2. Steric repulsion3. Complexation
Released:
Dec 11, 2023
Format:
Podcast episode

Titles in the series (34)

Aware of how complex the problems related to the world of chemistry applied to ceramic production processes can be, we want to share our knowledge with those who want to orient themselves or train for passion or profession.Through a simple and direct language, the podcast aims to be an educational space with a focus on products, applications and processes.The journey unfolds along the ceramic production lines.At each stage a topic.At each topic a critical issue.At each critical issue, when possible, a solution.