CA3248004A1 - Accélérateur de prise de gypse - Google Patents

Accélérateur de prise de gypse

Info

Publication number
CA3248004A1
CA3248004A1 CA3248004A CA3248004A CA3248004A1 CA 3248004 A1 CA3248004 A1 CA 3248004A1 CA 3248004 A CA3248004 A CA 3248004A CA 3248004 A CA3248004 A CA 3248004A CA 3248004 A1 CA3248004 A1 CA 3248004A1
Authority
CA
Canada
Prior art keywords
gypsum
set accelerator
calcium sulfate
weight
range
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA3248004A
Other languages
English (en)
Inventor
Naser ALDABAIBEH
Mark Antosh
Mark Hemphill
Original Assignee
Knauf Gifs Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US17/978,406 external-priority patent/US20230339811A1/en
Application filed by Knauf Gifs Kg filed Critical Knauf Gifs Kg
Publication of CA3248004A1 publication Critical patent/CA3248004A1/fr
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028—Aspects relating to the mixing step of the mortar preparation
    • C04B40/0039—Premixtures of ingredients
    • C04B40/0042—Powdery mixtures
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02—Treatment
    • C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators or shrinkage compensating agents
    • C04B22/08—Acids or salts thereof
    • C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
    • C04B22/142—Sulfates
    • C04B22/143—Calcium-sulfate
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/16—Sulfur-containing compounds
    • C04B24/20—Sulfonated aromatic compounds
    • C04B24/22—Condensation or polymerisation products thereof
    • C04B24/223—Sulfonated melamine-formaldehyde condensation products
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B24/2641—Polyacrylates; Polymethacrylates
    • C04B24/2647—Polyacrylates; Polymethacrylates containing polyether side chains
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/10—Accelerators; Activators
    • C04B2103/12—Set accelerators
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/52—Grinding aids; Additives added during grinding

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

"Il est décrit un accélérateur de prise de gypse, l’accélérateur de prise de gypse étant un mélange broyé à sec comprenant du sulfate de calcium dihydraté cobroyé avec un ou plusieurs des composants suivants : un éther polycarboxylique (PCE) et/ou un produit de polycondensation de mélamine sulfonée (SMP); des bouillies de gypse formulées avec l’accélérateur de prise de gypse, ainsi que des procédés pour la production de l’accélérateur de prise de gypse et la fabrication de produits de gypse avec l’accélérateur de prise de gypse."
CA3248004A 2022-04-20 2023-04-14 Accélérateur de prise de gypse Pending CA3248004A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202263332753P 2022-04-20 2022-04-20
US63/332,753 2022-04-20
US17/978,406 2022-11-01
US17/978,406 US20230339811A1 (en) 2022-04-20 2022-11-01 Gypsum set accelerator
PCT/US2023/018652 WO2023205049A1 (fr) 2022-04-20 2023-04-14 Accélérateur de prise de gypse

Publications (1)

Publication Number Publication Date
CA3248004A1 true CA3248004A1 (fr) 2023-10-26

Family

ID=86378618

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3248004A Pending CA3248004A1 (fr) 2022-04-20 2023-04-14 Accélérateur de prise de gypse

Country Status (5)

Country Link
EP (1) EP4511342A1 (fr)
CA (1) CA3248004A1 (fr)
IL (1) IL316384A (fr)
MX (1) MX2024011754A (fr)
WO (1) WO2023205049A1 (fr)

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2078199A (en) 1936-10-02 1937-04-20 United States Gypsum Co Heatproofed set-stabilized gypsum plaster
US3573947A (en) 1968-08-19 1971-04-06 United States Gypsum Co Accelerator for gypsum plaster
CA2158820C (fr) 1994-09-23 2004-11-23 Steven W. Sucech Production de placoplatre mousse
DE19513126A1 (de) 1995-04-07 1996-10-10 Sueddeutsche Kalkstickstoff Copolymere auf Basis von Oxyalkylenglykol-Alkenylethern und ungesättigten Dicarbonsäure-Derivaten
US5683635A (en) 1995-12-22 1997-11-04 United States Gypsum Company Method for preparing uniformly foamed gypsum product with less foam agitation
DE19926611A1 (de) 1999-06-11 2000-12-14 Sueddeutsche Kalkstickstoff Copolymere auf Basis von ungesättigten Mono- oder Dicarbonsäure-Derivaten und Oxyalkylenglykol-Alkenylethern, Verfahren zu deren Herstellung und ihre Verwendung
US6409823B1 (en) 1999-12-28 2002-06-25 United States Gypsum Company Hydration enhancing additives
US6379458B1 (en) 2000-02-11 2002-04-30 United States Gypsum Company Efficient set accelerator for plaster
CA2443869C (fr) 2001-04-03 2010-10-12 Walker Industries Holdings Limited Formulations contenant du polyvinyl alcool et du polycondensat de melamine sulfonee destinees a etre utilisees dans des pates de platre
US7892472B2 (en) 2004-08-12 2011-02-22 United States Gypsum Company Method of making water-resistant gypsum-based article
DE102006027035A1 (de) 2005-06-14 2007-01-11 Basf Construction Polymers Gmbh Polyether-haltiges Copolymer
US20060278127A1 (en) 2005-06-14 2006-12-14 United States Gypsum Company Gypsum products utilizing a two-repeating unit dispersant and a method for making them
US7504165B2 (en) 2005-06-14 2009-03-17 United States Gypsum Company High strength flooring compositions
US7803226B2 (en) 2005-07-29 2010-09-28 United States Gypsum Company Siloxane polymerization in wallboard
US7819971B2 (en) * 2006-12-29 2010-10-26 United States Gypsum Company Method of using landplaster as a wallboard filler
US20110054081A1 (en) 2009-09-02 2011-03-03 Frank Dierschke Formulation and its use
EP2607332A1 (fr) * 2011-12-19 2013-06-26 Sika Technology AG Accélérateur de prise pour liant à base de sulfate de calcium
US10737979B2 (en) 2017-04-20 2020-08-11 United States Gypsum Company Gypsum set accelerator and method of preparing same
US11834374B2 (en) 2018-04-19 2023-12-05 United States Gypsum Company Accelerator comprising starch, and related board, slurries, and methods

Also Published As

Publication number Publication date
MX2024011754A (es) 2024-12-06
EP4511342A1 (fr) 2025-02-26
WO2023205049A1 (fr) 2023-10-26
IL316384A (en) 2024-12-01

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