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51317-9430-Epoxy High Temperature Coatings and Considerations

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We will review the class of epoxies that can be classified as Ultra-high temperature epoxies that can be put in service at above 150 C. The topics in this paper will include the technological issues associated with ultra-high temperature epoxy systems.

 

Product Number: 51317-9430-SG
ISBN: 9430 2017 CP
Author: Dr Muni Ramakrishnan
Publication Date: 2017
Industry: Coatings and Linings
$20.00
$20.00
$20.00

Process industry equipments are subjected to higher temperatures than ever to improve productivity and process efficiency. There is a corresponding need for high temperature coatings to protect the metal surface from corrosion and chemical attack. Epoxy based coatings, due to a combination of adhesion and corrosion resistance and excellent physical and mechanical properties are generally a good choice as coatings to protect structural steel components. Unfortunately, epoxy systems using conventional bisphenol A based resin are generally limited to a service temperature around 80-90 C. Even High temperature systems based on more advanced resins have an upper service temperature limit of about 150 C, with some limitations. In this paper, we will review the class of epoxies that can be classified as Ultra-high temperature epoxies that can be put in service at above 150 C.

The topics in this paper will include the technological issues associated with ultra-high temperature epoxy systems , such as restricted choice of high viscosity or semi-solid resins, choice of curing agents and other additives to enhance key features, processing and handling constraints imposed by the strong effect of temperature on viscosity and curing/ gelling rate, the different methods to evaluate temperature stability including glass transition temperature and the potential property trade-offs associated with high glass transition temperature systems.

Key words: conference papers, 2017 conference papers, Epoxy Coatings, Ultra-high temperature coatings, High Service Temperature

Process industry equipments are subjected to higher temperatures than ever to improve productivity and process efficiency. There is a corresponding need for high temperature coatings to protect the metal surface from corrosion and chemical attack. Epoxy based coatings, due to a combination of adhesion and corrosion resistance and excellent physical and mechanical properties are generally a good choice as coatings to protect structural steel components. Unfortunately, epoxy systems using conventional bisphenol A based resin are generally limited to a service temperature around 80-90 C. Even High temperature systems based on more advanced resins have an upper service temperature limit of about 150 C, with some limitations. In this paper, we will review the class of epoxies that can be classified as Ultra-high temperature epoxies that can be put in service at above 150 C.

The topics in this paper will include the technological issues associated with ultra-high temperature epoxy systems , such as restricted choice of high viscosity or semi-solid resins, choice of curing agents and other additives to enhance key features, processing and handling constraints imposed by the strong effect of temperature on viscosity and curing/ gelling rate, the different methods to evaluate temperature stability including glass transition temperature and the potential property trade-offs associated with high glass transition temperature systems.

Key words: conference papers, 2017 conference papers, Epoxy Coatings, Ultra-high temperature coatings, High Service Temperature

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