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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: Interaction of Polymer With Calcium Hydroxide and Calcium Trisilicate
Author(s): S. Chandra and P. Flodin
Publication: Special Publication
Appears on pages(s): 263-272
Keywords: calcium hydroxides; calcium silicates; crystallization; dispersions; interactions; plastics, polymers and resins; precipitation (chemistry); Materials Research
Abstract:Certain polymer dispersions interact with calcium hydroxide and form precipitates. The amount thereof increases until a specific limit above which the volume of precipitate becomes constant. This could be illustrated photographically. By x-ray diffraction analysis, it was shown that increasing the amount of polymer gradually decreased the height of the diffraction peaks of calcium hydroxide, and finally only a broad shoulder was observed. In microscopic analysis, no typical distinct crystals of calcium hydroxide could be seen. A mechanism for the influence of the polymer on the crystallization process is proposed.
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