MX2009010012A - Proceso para manufacturar sulfato de calcio hemihidratado tipo alfa fraguado pre-mezclado y el kit para el mismo. - Google Patents

Proceso para manufacturar sulfato de calcio hemihidratado tipo alfa fraguado pre-mezclado y el kit para el mismo.

Info

Publication number
MX2009010012A
MX2009010012A MX2009010012A MX2009010012A MX2009010012A MX 2009010012 A MX2009010012 A MX 2009010012A MX 2009010012 A MX2009010012 A MX 2009010012A MX 2009010012 A MX2009010012 A MX 2009010012A MX 2009010012 A MX2009010012 A MX 2009010012A
Authority
MX
Mexico
Prior art keywords
kit
hydrate
crystal
same
calcium sulphate
Prior art date
Application number
MX2009010012A
Other languages
English (en)
Inventor
Qiang Yu
Qingxia Liu
Kumar Natesaiyer
Original Assignee
United States Gypsum Co
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
Application filed by United States Gypsum Co filed Critical United States Gypsum Co
Publication of MX2009010012A publication Critical patent/MX2009010012A/es

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
    • C04B11/00—Calcium sulfate cements
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • C04B11/028—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained
    • C04B11/032—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained for the wet process, e.g. dehydrating in solution or under saturated vapour conditions, i.e. to obtain alpha-hemihydrate
    • 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
    • C04B28/145—Calcium sulfate hemi-hydrate with a specific crystal form
    • C04B28/146—Calcium sulfate hemi-hydrate with a specific crystal form alpha-hemihydrate
    • 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
    • C04B2103/20—Retarders
    • C04B2103/22—Set retarders
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00034—Physico-chemical characteristics of the mixtures
    • C04B2111/00086—Mixtures with prolonged pot-life

Landscapes

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

Abstract

Un proceso para la fabricación de yeso calcinado en forma de suspensión o polvo. El proceso incluye la adición a la suspensión de al menos dos tipos de modificadores de fase cristalina. El primer modificador de fase cristalina es para controlar la morfología del cristal del yeso calcinado (tal como ácido succínico y/o ácido málico). El segundo modificador de fase cristalina es para prevenir o retrasar el fraguado para controlar el tiempo de fraguado (tal como el pirofosfato tetrasádico (TSPP)) para formar un producto estable en agua. Un acelerador es típicamente adicionado en el lugar de uso para las aplicaciones específicas tal como compuesto de unión tipo fraguado, moldeo de medios, recubrimientos exterior/interior e ignífugos en spray. También se describen: una composición hecha por el proceso y un kit para utilizar tal composición.
MX2009010012A 2007-03-20 2008-03-18 Proceso para manufacturar sulfato de calcio hemihidratado tipo alfa fraguado pre-mezclado y el kit para el mismo. MX2009010012A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/688,644 US7754006B2 (en) 2007-03-20 2007-03-20 Process for manufacturing ready-mixed setting alpha-calcium sulphate hemi-hydrate and kit for same
PCT/US2008/057368 WO2008115929A1 (en) 2007-03-20 2008-03-18 Process for manufacturing ready-mixed setting alpha-calcium sulphate hemi-hydrate and kit for same

Publications (1)

Publication Number Publication Date
MX2009010012A true MX2009010012A (es) 2009-10-12

Family

ID=39766401

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2009010012A MX2009010012A (es) 2007-03-20 2008-03-18 Proceso para manufacturar sulfato de calcio hemihidratado tipo alfa fraguado pre-mezclado y el kit para el mismo.

Country Status (4)

Country Link
US (1) US7754006B2 (es)
CA (1) CA2678947C (es)
MX (1) MX2009010012A (es)
WO (1) WO2008115929A1 (es)

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USRE44070E1 (en) 2005-06-09 2013-03-12 United States Gypsum Company Composite light weight gypsum wallboard
US8945462B2 (en) * 2006-06-29 2015-02-03 Yoshino Gypsum Co., Ltd. Methods for manufacturing a calcined gypsum and a gypsum board
US7861955B2 (en) * 2007-11-15 2011-01-04 United States Gypsum Company Wet-grinding gypsum with polycarboxylates
EP2163532A1 (de) * 2008-09-11 2010-03-17 Claudius Peters Technologies GmbH Verfahren und Anlage zur Herstellung von Hartgips
US10669215B2 (en) * 2009-01-14 2020-06-02 United States Gypsum Company Snap-set, ready-mix joint compound
FR2950879B1 (fr) * 2009-10-02 2012-11-23 Cemex Res Group Ag Mortier a base d'anhydrite pour la fabrication chape fluide et procede de preparation d'anhydrite pour la fabrication d'un tel mortier
US9174881B2 (en) * 2009-11-05 2015-11-03 United States Gypsum Company Ready mixed setting type joint compound and set initiator in chambered pouch
US8822566B2 (en) 2010-12-23 2014-09-02 United States Gypsum Company Non-homogeneous ready-mix joint compound
PL2665689T3 (pl) 2011-01-17 2017-10-31 Knauf Gips Kg Sposób ponownego użycia pyłu szlifierskiego i materiału odpadowego z płyt gipsowo-kartonowych
US8323785B2 (en) 2011-02-25 2012-12-04 United States Gypsum Company Lightweight, reduced density fire rated gypsum panels
GB2497574B (en) 2011-12-15 2019-10-02 Saint Gobain Placo Sas A method of forming a gypsum based product
CA2795087C (en) 2011-12-20 2016-08-09 Dow Global Technologies Llc Improved tape joint compound
US10377108B2 (en) 2012-02-17 2019-08-13 United States Gypsum Company Gypsum products with high efficiency heat sink additives
US8343273B1 (en) * 2012-03-30 2013-01-01 United States Gypsum Company Method of modifying beta stucco using diethylene-triamine-pentaacetic acid
EP2671854A1 (en) 2012-06-06 2013-12-11 Etex Dryco SAS Method for stabilizing beta-hemihydrate plaster
US9328023B2 (en) 2012-10-09 2016-05-03 United States Gypsum Company Low water drying type joint compound
US9540287B2 (en) 2013-03-13 2017-01-10 United States Gypsum Company Particle stabilized foam, and slurries, product, and methods related thereto
CN104071999B (zh) * 2014-06-27 2017-02-15 南京工业大学 一种快速制备超高强α半水石膏的方法及反应釜
US20150376063A1 (en) * 2014-06-27 2015-12-31 Boral Ip Holdings (Australia) Pty Limited Ultra-Lightweight Gypsum Wallboard
US11446620B2 (en) 2017-06-02 2022-09-20 Gold Bond Building Products, Llc Flash calcined gypsum wallboard
US11453613B2 (en) 2017-11-07 2022-09-27 United States Gypsum Company Joint compounds, activators and methods for setting a joint compound and preventing seed setting
US11752073B2 (en) 2018-02-16 2023-09-12 Gc Corporation Dental gypsum powder
US20200261864A1 (en) 2019-02-15 2020-08-20 United States Gypsum Company System and method for continuous manufacture of joint compound
CN112573858B (zh) * 2020-12-14 2022-02-01 北京建筑材料科学研究总院有限公司 一种高分子类石膏缓凝剂及其制备方法和应用
WO2022175865A1 (en) * 2021-02-19 2022-08-25 Knauf Gips Kg High solids, sprayable setting type joint compound
EP4105178A1 (en) * 2021-06-16 2022-12-21 Saint-Gobain Placo A process for the continuous preparation of alpha-calcium sulphate hemihydrate and an apparatus
CN114438597A (zh) * 2021-12-31 2022-05-06 佛山市中医院 一种硫酸钙增强原位固化成孔的组织工程聚酯复合支架材料及其制备方法、应用
WO2023154662A1 (en) 2022-02-08 2023-08-17 United States Gypsum Company Gypsum panel containing ammonium-exchanged vermiculite and methods
WO2023229996A1 (en) * 2022-05-27 2023-11-30 United States Gypsum Company Pottery plaster formula with increased porosity

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US2113370A (en) 1935-06-20 1938-04-05 Ici Ltd Calcium sulphate plaster
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Also Published As

Publication number Publication date
US7754006B2 (en) 2010-07-13
CA2678947A1 (en) 2008-09-25
CA2678947C (en) 2016-08-30
WO2008115929A1 (en) 2008-09-25
US20080229981A1 (en) 2008-09-25

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