In today’s market, it is imperative to be knowledgeable and have an edge over the competition. ACI members have it…they are engaged, informed, and stay up to date by taking advantage of benefits that ACI membership provides them.
Read more about membership
Become an ACI Member
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.
American Concrete Institute
38800 Country Club Dr.
Farmington Hills, MI
Feedback via Email
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: Hybrid Organic-Inorganic Admixtures for Cement Based Materials
Author(s): F. Svegl, L. Skrlep, J. Suput-Strupi, and K. Kalcher
Publication: Special Publication
Appears on pages(s): 163-176
Keywords: acrylic latex; bending strength; cement; cement paste; chemical admixtures; concrete; hybrid polymers; polymer-modified mortars; silanes
Abstract:A new type of admixtures for cement-based materials presented in this work is based on silane-modified acrylic polymers prepared by emulsion polymerization of acrylic monomers and organofunctional silane precursor. The acrylic polymer chain was functionalized with organofunctional silane molecules to build an organic-inorganic polymer structure with terminal siloxane groups. The advantage of this type of polymers over already known polymer modifiers for concrete and mortars is the ability to act as a coupling agent between different phases in the cementitious system. The presence of siloxane groups enables strong chemical interaction among mineral phases of inorganic matrix (cement, aggregate) and direct chemical bonding of organic polymer chain to inorganic phases of the cement based material. The influence of silane-modified acrylic latex admixture on the properties of cement paste and mortar was evaluated and compared to unmodified acrylic latex. Mortars modified with this type of hybrid inorganic-organic polymers showed improved physical-mechanical properties like higher mechanical strength, better adhesion to the substrate, lower shrinkage, better thermal conduction and better resistance to different sources of corrosion.
Click here to become an online Journal subscriber