摘要:
The invention relates to a method for manufacturing a composition of lightweight concrete or mortar having a dry density of 200 to 1400 kg/m3 into which are mixed components comprising at least light aggregates with a particle density of 50 to 1000 kg/m3, at least one mineral binder selected among the hydraulic binders, the sources of calcium sulphates and lime, at least one foaming agent and water, and optionally one or more additives, said foaming agent being a polyvinyl alcohol and the foaming thereof occurring in place during the mixing thereof with water and at least one of the components selected from among the aggregates and/or the mineral binder.
摘要翻译:本发明涉及一种制造干密度为200〜1400kg / m 3的轻质混凝土或砂浆组合物的方法,其中至少包含至少包含粒径密度为50-1000kg / m 3的轻聚集体的混合组分,至少 选自水硬性粘合剂,硫酸钙和石灰源,至少一种发泡剂和水以及任选的一种或多种添加剂的一种矿物粘合剂,所述发泡剂是聚乙烯醇,并且其发泡在混合期间发生在适当位置 与水和选自聚集体和/或矿物粘合剂中的至少一种组分。
摘要:
The present invention relates to a pulverulent binder-based composition comprising at least one mineral binder, an anti-dust additive which is a nitrogen-containing, phosphorus-containing or sulphur-containing organic compound comprising at least 8 carbon atoms, and aggregates and/or sand, or other inert fillers, to the process for preparing such a composition and to construction materials obtained after mixing said composition.
摘要:
The invention relates to a composition of pulverulent mortar containing a binder, characterised in that it comprises at least: one mineral binder, an additive containing an organic carbonate of formula R 1 -O-(CO)-O-R 2 , comprising at least 5 carbon atoms, wherein the groups R 1 and R 2 , that are the same or different, are cycloalkyl or aromatic, saturated or unsaturated, linear or cyclic, optionally branched, alkyl or alkylene hydrocarbon radicals, granular material, aggregates and/or sand or other inert loads.