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Delamination of Polyurethane Thickeners in Latex Paint Systems

 Last Update: 2022-09-08
 Source: Internet
 Author: User

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Original title: Delamination of polyurethane thickeners in latex paint systems

Polyurethane thickener is a type of thickener developed in the 1980s, and its molecular structure, thickening mechanism and rheological properties are different from traditional thickeners

Thickening mechanism:

In terms of thickening mechanism, traditional thickeners rely on water-soluble polymers to dissolve in the water phase, and increase the viscosity of the water system through molecular chain entanglement; polyurethane thickeners form micelles in the water system through lipophilic groups in the molecular chain.

Polyurethane thickener delamination phenomenon

Polyurethane thickeners possess properties that make them the rheology additive of choice for high-end architectural latex paints

Solution: formula control of coating moisture resistance

Summarize:

The key to affecting the delamination phenomenon is the depth and position of the interaction between particles under the action of the thickener

Source of the article: The article comes from "China Federal Thickener", please indicate the source for reprinting

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