Overview

This comprehensive technical book, Shrinkage-Reducing Chemical Admixtures, is Volume 10 of the authoritative book series Concrete Chemical Admixtures, authored by Dr. Mostafa Ebrahim. It offers an in-depth exploration of the science, application, and industrial practices surrounding shrinkage-reducing admixtures (SRAs) in concrete. The volume begins by detailing the fundamental mechanisms of concrete shrinkage-drying, autogenous, plastic, and carbonation-emphasizing how mix design, constituent materials, and environmental conditions influence these phenomena. At its core, the book examines SRAs: their historical evolution from early natural resins to modern synthetic and bio-derived formulations; their chemical composition, including glycols, polyethers, and surfactants; and their molecular mechanisms that mitigate shrinkage by reducing surface tension and capillary pressure. Dr. Ebrahim systematically classifies SRAs by chemistry, performance tier, generational development, and mode of action, while also addressing raw material selection, synthesis pathways, and state-of-the-art industrial practices in production, quality assurance, and digitalization (Industry 4.0). Practical chapters provide actionable guidance on compatibility with cementitious systems and other admixtures, mix design integration, batching protocols, dosage optimization, placement under diverse environmental conditions, and troubleshooting common field challenges. Supported by real-world case studies-both successes and failures-the book promotes evidence-based implementation. Additionally, it outlines global regulatory frameworks, sustainability imperatives, and lifecycle performance metrics, carefully balancing benefits like crack reduction and enhanced durability against tradeoffs such as cost and potential early-strength effects. As the tenth installment in Dr. Ebrahim's acclaimed series, this volume serves as an indispensable reference for engineers, researchers, concrete producers, and specifiers committed to advancing concrete performance through cutting-edge admixture technology. American Industrial Technologies LLC.

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Dr. Mostafa Ebrahim, a distinguished expert in the field of plastic additives, brings a wealth of knowledge and experience to this book. With a PhD in Chemistry and over two decades of hands-on experience as an additives formulator and consultant, Dr. Ebrahim has dedicated his career to the study and application of additives in the realm of additives and plastics. Throughout his academic and professional journey, Dr. Ebrahim has cultivated a deep understanding of the intricate chemistry behind plastic additives. His expertise spans a wide range of additives, including stabilizers, anti UV and antioxidants, fire retardants, properties modifiers, pigments, and many others. His comprehensive knowledge of additive interactions and his effects on plastic properties has made him a sought-after consultant in the industry. Dr. Ebrahim has contributed significantly to the advancement of plastic additives through his extensive research, innovative formulations, and practical solutions. His work has not only improved the performance and functionality of plastic materials but also addressed critical environmental and regulatory considerations associated with additive usage. As a seasoned formulator, Dr. Ebrahim has successfully developed tailored additive formulations for various industries, ranging from packaging and automotive to electronics and construction. His deep understanding of additive selection, compatibility, and processing techniques has enabled him to create optimized solutions that meet specific performance requirements and industry standards. Beyond his technical expertise, Dr. Ebrahim is also passionate about knowledge sharing and education. he has conducted numerous seminars, workshops, and training sessions, empowering professionals in the field to leverage the potential of plastic additives effectively. His ability to communicate complex concepts in a clear and accessible manner has earned him recognition as an excellent consultant and reference in the field.

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