VAE Redispersible-Powder Hydraulic-Cement Admixtures

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Title: VAE Redispersible-Powder Hydraulic-Cement Admixtures

Author(s): Gerry Y. D. Walters Concrete International

Publication: Concrete International

Volume: 14

Issue: 4

Appears on pages(s): 30-34

Keywords: adhesives; compressive strength; floor toppings; patching; flow table tests; hydraulic cement; mortars (material); permeability; vinyl acetate-ethylene copolymer; General

Date: 4/1/1992

Abstract:
Describes the processes used to manufacture vinyl acetate-ethylene copolymer (VAE) redispersible powders, which are used as admixtures to hydraulic cement formulations. Some properties of the powders are given, and properties of powder-modified portland-cement mortars are compared with those of unmodified and VAE latex-modified portland-cement mixtures. Recommended applications of VAE-powder mixtures are discussed with the advantages of using such powders, and suggested starting formulations for these applications are provided.