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1. WO2022126294 - NANOTECHNOLOGICAL STRUCTURAL LIGHTWEIGHT CONCRETE COMPOSITION

Publication Number WO/2022/126294
Publication Date 23.06.2022
International Application No. PCT/CL2020/050186
International Filing Date 18.12.2020
IPC
C04B 16/00 2006.1
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
16Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
C04B 16/04 2006.1
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
16Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
04Macromolecular compounds
C04B 18/00 2006.1
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
18Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
C04B 18/20 2006.1
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
18Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
04Waste materials; Refuse
18organic
20from macromolecular compounds
C04B 28/04 2006.1
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
28Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
02containing hydraulic cements other than calcium sulfates
04Portland cements
Applicants
  • UNIVERSIDAD DIEGO PORTALES [CL]/[CL]
Inventors
  • LAVÍN SERRANO, Roberto
  • ARAOS HENRIQUEZ, Paulo
  • ANGEL LOPEZ, Alejandro
Agents
  • MARRÉ GREZ, Rodrigo
Priority Data
Publication Language Spanish (es)
Filing Language Spanish (ES)
Designated States
Title
(EN) NANOTECHNOLOGICAL STRUCTURAL LIGHTWEIGHT CONCRETE COMPOSITION
(ES) COMPOSICIÓN DE HORMIGÓN LIVIANO ESTRUCTURAL NANOTECNOLÓGICO
(FR) COMPOSITION DE BÉTON LÉGER STRUCTURAL NANOTECHNOLOGIQUE
Abstract
(EN) The invention relates to an optimised composition for formulating lightweight concrete, which improves its mechanical resistance and thermal conductivity, which is achieved by means of a composition of Nanotechnological Structural Lightweight Concrete (HLEN), wherein the optimum concentration ranges of each component have been found, within the formulation, to maximise the effects of mechanical and thermal resistance, wherein the composition comprises cement, sand, lightweight aggregates, surfactant and SiO2 nanoparticles having a purity of 96% to 98%, according to the following concentrations based on the volume of the lightweight concrete mix: cement (530 kg/m3); water (between 276-283 kg/m3); sand (between 343-755 kg/m3); SiO2 nanoparticles (5.3 kg/m3); surfactant (1.59 kg/m3); and lightweight aggregates (between 327-545 kg/m3).
(ES) La invención apunta a una composición optimizada para formular hormigón liviano, que mejore su resistencia mecánica y conductividad térmica, lo cual se logra mediante una composición de Hormigón Liviano Estructural Nanotecnológico (HLEN), donde se han encontrado los rangos de concentraciones óptimas de cada componente, dentro de la formulación, para maximizar los efectos de resistencia mecánica y térmica, comprendiendo la composición cemento, arena, áridos livianos, surfactante y nanopartículas de SiO2 de una pureza de 96% a 98%, de acuerdo a las siguientes concentraciones en base al volumen de la mezcla de hormigón liviano: cemento (530 kg/m3); agua (entre 276-283 kg/m3); arena (entre 343-755 kg/m3); nanopartículas de SiO2 (5,3 kg/m3); surfactante (1,59 kg/m3); y áridos livianos (entre 327-545 kg/m3).
(FR) La présente invention concerne une composition optimisée pour formuler du béton léger, qui améliore sa résistance mécanique et sa conductivité thermique, au moyen d'une composition de béton léger structural nanotechnologique (HLEN), qu'on trouve dans les plages de concentrations optimales de chaque constituant, dans la formulation, pour maximiser les effets de résistance mécanique et thermique, ladite composition comprenant du ciment, du sable, des agrégats légers, un tensioactif et des nanoparticules de SiO2 d'une pureté de 96% à 98% en fonction des concentrations sur la base du volume du mélange de béton léger: ciment (530 kg/m3); eau (entre 276-283 kg/m3); sable (entre 343-755 kg/m3); nanoparticules de SiO2 (5,3 kg/m3); tensioactif (1,59 kg/m3); et agrégats légers (entre 327-545 kg/m3).
Latest bibliographic data on file with the International Bureau