Silicone Resin-Based Intumescent Paints

Silicone resins are widely applied as coating materials due to their unique properties, especially those related to very good heat resistance. The most important effect on the long-term heat resistance of the coating is connected with the type of resin. Moreover, this structure is stabilized by a ch...

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Bibliographic Details
Published in:Materials 2020-10, Vol.13 (21), p.4785
Main Authors: Zielecka, Maria, Rabajczyk, Anna, Cygańczuk, Krzysztof, Pastuszka, Łukasz, Jurecki, Leszek
Format: Article
Language:English
Subjects:
Additives
Aluminum
Chemical reactions
Cold
Decomposition
Fire protection
Heat resistance
High temperature
Hot rolling
Hydroxyl groups
Literature reviews
Mechanical properties
Paints
Platelets (materials)
Porous materials
Protective coatings
Resins
Review
Silicone resins
Silicones
Steel structures
Thermal decomposition
Thermal resistance
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Summary:Silicone resins are widely applied as coating materials due to their unique properties, especially those related to very good heat resistance. The most important effect on the long-term heat resistance of the coating is connected with the type of resin. Moreover, this structure is stabilized by a chemical reaction between the hydroxyl groups from the organoclay and the silicone resin. The novel trends in application of silicone resins in intumescent paints used mostly for protection of steel structures against fire will be presented based on literature review. Some examples of innovative applications for fire protection of other materials will be also presented. The effect of silicone resin structure and the type of filler used in these paints on the properties of the char formed during the thermal decomposition of the intumescent paint will be discussed in detail. The most frequently used additives are expanded graphite and organoclay. It has been demonstrated that silicate platelets are intercalated in the silicone matrix, significantly increasing its mechanical strength and resulting in high protection against fire.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma13214785