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1. WO2011095744 - CONCRETE ELEMENT HAVING A SUPERHYDROPHOBIC SURFACE

Publication Number WO/2011/095744
Publication Date 11.08.2011
International Application No. PCT/FR2011/050221
International Filing Date 03.02.2011
IPC
C04B 28/02 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
C04B 40/02 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
40Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
02Selection of the hardening environment
B28B 7/34 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
28WORKING CEMENT, CLAY, OR STONE
BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
7Moulds; Cores; Mandrels
34Moulds, cores, or mandrels of special material, e.g. destructible materials
B28B 7/36 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
28WORKING CEMENT, CLAY, OR STONE
BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
7Moulds; Cores; Mandrels
36Linings or coatings
B28B 7/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
28WORKING CEMENT, CLAY, OR STONE
BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
7Moulds; Cores; Mandrels
C04B 111/20 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
111Function, property or use of the mortars, concrete or artificial stone
20Resistance against chemical, physical or biological attack
CPC
B08B 17/06
BPERFORMING OPERATIONS; TRANSPORTING
08CLEANING
BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
17Methods preventing fouling
02Preventing deposition of fouling or of dust
06by giving articles subject to fouling a special shape or arrangement
B08B 17/065
BPERFORMING OPERATIONS; TRANSPORTING
08CLEANING
BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
17Methods preventing fouling
02Preventing deposition of fouling or of dust
06by giving articles subject to fouling a special shape or arrangement
065the surface having a microscopic surface pattern to achieve the same effect as a lotus flower
B28B 7/0064
BPERFORMING OPERATIONS; TRANSPORTING
28WORKING CEMENT, CLAY, OR STONE
BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
7Moulds; Cores; Mandrels
0064Moulds characterised by special surfaces for producing a desired surface of a moulded article, e.g. profiled or polished moulding surfaces
B28B 7/348
BPERFORMING OPERATIONS; TRANSPORTING
28WORKING CEMENT, CLAY, OR STONE
BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
7Moulds; Cores; Mandrels
34Moulds, cores, or mandrels of special material, e.g. destructible materials
348of plastic material or rubber
B28B 7/364
BPERFORMING OPERATIONS; TRANSPORTING
28WORKING CEMENT, CLAY, OR STONE
BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
7Moulds; Cores; Mandrels
36Linings or coatings, ; e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article
364of plastic material or rubber
B28B 7/38
BPERFORMING OPERATIONS; TRANSPORTING
28WORKING CEMENT, CLAY, OR STONE
BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
7Moulds; Cores; Mandrels
38Treating surfaces of moulds, cores, or mandrels to prevent sticking
Applicants
  • LAFARGE [FR]/[FR] (AllExceptUS)
  • HORGNIES, Matthieu [FR]/[FR] (UsOnly)
  • CHEN, Jeffrey [US]/[FR] (UsOnly)
  • DYKMAN, Mélanie [FR]/[FR] (UsOnly)
Inventors
  • HORGNIES, Matthieu
  • CHEN, Jeffrey
  • DYKMAN, Mélanie
Agents
  • MERIGEAULT, Shona
Priority Data
10/0045104.02.2010FR
Publication Language French (fr)
Filing Language French (FR)
Designated States
Title
(EN) CONCRETE ELEMENT HAVING A SUPERHYDROPHOBIC SURFACE
(FR) ELEMENT EN BETON A SURFACE SUPERHYDROPHOBE
Abstract
(EN) The invention relates to a concrete element comprising a superhydrophobic wall having a roughness Ra of between 1 μm and 10 μm and protuberances spaced out two by two at an average interval of between 1 μm and 150 μm. Said concrete element has a surface critical pore diameter of less than 100 nm and has parts flush with the wall, that are more hydrophobic than the concrete.
(FR) L'invention vise un élément en béton comportant une paroi superhydrophobe ayant une rugosité Ra comprise de 1 μm à 10 μm et ayant des protubérances espacées deux à deux d'un intervalle moyen compris de 1 μm à 150 μm. Ledit élément en béton a un diamètre de pores critiques de surface inférieur à 100 nm et comprend des portions affleurant ladite paroi plus hydrophobes que le béton.
Latest bibliographic data on file with the International Bureau