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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Dispersion Mechanisms of Alite Stabilized by Superplasticizers Containing Polyethylene Oxide Graft Chains
Author(s): E. Sakai and M. Daimon
Publication: Special Publication
Appears on pages(s): 187-202
Keywords: Adsorption; dispersants; polyethylene; superplasticizers
Abstract:Recently comb-like macromolecules which have a graft chain made of polyethylene oxide are attracting attention as superplasticizers and put to practical use in the field of flowing and high strength concrete. Comparing ordinary AE water reducing agents, these admktures have a higher water reducing ratio, smaller change of slump with the time and less set retarding property. The properties of solid spheres dispersed in solvent is explained by the magnitude of the inter-particle potential energy. We discuss the total potential energy of alite stabii by adsorbed superplasticizer containing polyethylene oxide graft chains. The interparticle potential energy was mainly controlled by steric hindrance effect of adsorbed macromolecule and van der Waals interaction of .
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