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Shafiq Fazel - High Performance Waterborne Epoxy Formulation for Self-Leveling Cementitious Coating for Concrete

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Shafiq Fazel - High Performance Waterborne Epoxy Formulation for Self-Leveling Cementitious Coating for Concrete

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Shafiq Fazel

Application Development Chemist

Evonik Corporation

Phone: 610-481-6421

Website: www.evonik.com

Co-Authors: Ryan Peng

 

Abstract

 

Self-leveling overlay systems for concrete floors offer numerous benefits. They can correct uneven floors, repair damaged concrete, and provide a smooth and durable new surface for decorative and functional treatments. Non-modified cement based overlays are commonly used for this application and have many advantages including durability, long life, and low maintenance cost.  Some of the disadvantages include delayed hardening, low tensile strength, poor thermal shock, and low chemical resistance. To reduce these disadvantages, the cement can be modified with various types of organic polymers.  One of such composition is an epoxy modified cement or mortar using a waterborne epoxy thermoset technology.  The use of an epoxy technology provides a zero VOC, low emissions, and “isocyanate free” solution to the coatings industry for the self-leveling cementitious coating on concrete.  In this paper we will discuss a novel approach to formulate the epoxy modified cementitious system that allows to tailor its performance properties in terms of cure speed, thermal properties chemical resistance, and tensile strength.  The paper will also highlight the performance comparison of epoxy modified cementitious self-levelers with other polymer modified cementitious systems.

 

Biography

Mr. Shafiq Fazel is an application development chemist at Evonik Corporation in the Resource Efficiency market segment. His current focus is developing new products including polyurea, high solids and waterborne epoxy curing agents for coating applications.  Mr. Fazel brings over 20 years experience in R&D and applications development in various fields, including polymeric materials for electronic displays; conducting polymers for organic light emitting diodes; nanoparticles for coatings and elastomers; and polyurethanes for adhesives, elastomers and industrial coatings.  

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