Admixtures for mineral binders, a base of a dehydration product of a sugar, 1996, the mineral binders and their method of preparation of adjuvant

摘要

The invention is to provide a novel admixture for mineral binders, comprising a composition containing at least one product internal dehydration of a sugar hydrogéné.ce product of the dehydration may especially be a sweetly flavoured hexitol dehydrated, such as, isosorbide, the 2-nitrate, sorbitan or mannitan.l' adjuvant according to the invention can be introduced in a proportion of 0, 001 to approximately 5% (dry / dry) within a mineral binder quelconque.il can be advantageously used as a setting accelerator and / or curing and / or as improver of the mechanical properties of the mineral binder. It has a remarkable effectiveness, including at low temperatures.