Controlled release of chemical admixtures

Details Controlled release of chemical admixtures Controlled release of chemical admixtures

C - Chemistry, Metallurgy

04

B

C04B 22/06 (2006.01)

Patent

CA 2554347

A controlled release formulation for a cement-based composition can be produced by intercalating an admixture (e.g. an accelerator, a set retarder, a superplasticizer) for the cement-based composition into a layered inorganic material (e.g. a layered double hydroxide (LDH)). A cement-based composition containing a cement-based material (e.g. cement, mortar or concrete) and such a controlled release formulation has better workability, especially in respect of slump-loss characteristics. With such a formulation release of an admixture in a cement-based composition may be controlled.

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